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JP2016006941

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DESCRIPTION JP2016006941
An acoustic plug capable of switching between a plug insertion mode and a plug non-insertion
mode with the plug inserted. A sound plug 100 according to the present invention has a
switching mode for switching between a mode in which the sound plug 100 is recognized as
being inserted in the jack 700 and a mode in which the sound plug 100 is recognized as not
being inserted in the jack 700. It is included. In this case, since it is not necessary to remove the
plug, it is possible to prevent the plug from being removed and lost. [Selected figure] Figure 1
Acoustic plug
[0001]
The present invention relates to an acoustic plug connected to a device.
[0002]
An acoustic plug is standard equipment for the equipment.
For example, there is an earphone terminal as an example of the acoustic plug. In recent years,
development of devices using the earphone terminal has been advanced.
[0003]
For example, in Patent Document 1 (Japanese Patent Laid-Open No. 2010-136388), jack
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1
terminals for voice input and output of a portable terminal are diverted to connection terminals
for digital cameras, input terminals for data communication cables such as USB cables, etc.
Discloses a digital camera for portable information terminals and a portable information terminal
connected digital camera device which do not need to have a dedicated terminal.
[0004]
The digital camera for portable information terminals of Patent Document 1 is a digital camera
for portable information terminals connected to a portable information terminal provided with a
jack terminal, wherein the digital camera body having a plug attachable to and detachable from
the jack terminal, an audio circuit and an image circuit And when the plug is inserted into the
jack terminal and electrically connected, the digital camera body transmits an image signal via
the plug and the jack terminal. It transmits to the said portable information terminal.
[0005]
Further, in Japanese Patent Application Laid-Open No. 2013-51626, in the ear canal insertion
type earphone device having a noise canceling function, the conventional configuration in which
the battery box is formed in the cord upper housing portion is reviewed, An earpiece device with
excellent acoustic performance is disclosed.
[0006]
The earphone device described in Patent Document 2 is an ear canal insertion type earphone
device having a noise canceling function, and includes an L channel side housing portion in
which an L channel side driver unit for emitting an L channel sound is accommodated, and an R
channel An R channel side housing unit in which an R channel side driver unit that emits a sound
is accommodated, and at least a microphone and a battery for noise canceling are respectively
accommodated in the both housing units.
[0007]
JP, 2010-136388, A JP, 2013-51626, A
[0008]
As described above, in the digital camera for a portable information terminal that does not need
to have the dedicated terminal disclosed in Patent Document 1, the camera can be easily
connected to the earphone jack.
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2
In addition, in the ear canal insertion type earphone device having a noise canceling function of
Patent Document 2, it is described that the wearing feeling and the acoustic performance can be
made excellent.
[0009]
However, jacks in various devices are miniaturized, and naturally the acoustic plug is also
miniaturized.
In particular, the acoustic plug has come to communicate wirelessly with an earphone or the like,
and in the absence of an earphone cable, it is further miniaturized.
Therefore, the possibility of loss increases when the acoustic plug is removed.
[0010]
An object of the present invention is to provide an acoustic plug that can switch between a plug
insertion mode and a non plug insertion mode with the plug inserted.
[0011]
(1) The acoustic plug according to one aspect includes a switching mode for switching between a
mode in which the plug is recognized as being inserted in the device and a mode in which the
plug is recognized as not being inserted in the device in a state of being inserted into the device.
It is
[0012]
In this case, the acoustic plug can switch between a mode in which the plug is recognized to be
inserted and a mode in which the plug is recognized not to be inserted.
As a result, when the plug is inserted into the device, it can be recognized that the plug is not
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3
inserted into the device.
[0013]
For example, when playing music conventionally, it was necessary to remove the plug when
inserting the plug and making it function as a microphone and a speaker during a call, but since
the plug is small, it is likely to be lost There was a problem that.
However, since the acoustic plug according to the present invention can be recognized that the
plug is not inserted when it is inserted into the plug insertion port (plug jack), the acoustic plug
can be prevented from being lost.
[0014]
(2) In the acoustic plug according to one aspect, the switching mode may be at least one of a
mechanical system and an electrical system.
[0015]
In this case, since the switching mode includes at least one of the mechanical system and the
electrical system, the mechanical system can be mechanically switched reliably, and the electrical
system can be switched easily.
[0016]
(3) An acoustic plug according to a third aspect of the present invention is the acoustic plug
according to the second aspect, wherein in the mechanical system, the tip of the plug may be
eccentrically formed from the axial center.
[0017]
In this case, since the tip of the plug is eccentrically formed from the axial center, the
eccentrically formed portion is inserted in the mechanical insertion recognition portion provided
on the back side of the insertion port of the device. The case where the insertion recognition
portion is touched and the case where the insertion recognition portion is not touched can be
easily switched.
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[0018]
(4) The acoustic plug according to the fourth aspect of the present invention is the acoustic plug
according to the second or third aspect of the present invention, wherein the mechanical system
may be provided with an unevenness switching mechanism in the circumferential direction at the
tip of the plug.
[0019]
In this case, since the unevenness switching mechanism is provided in the circumferential
direction of the tip of the plug, the plug is switched to the convex state in a state where the plug
is inserted in the mechanical insertion recognition portion provided on the back side of the
insertion port of the device. As a result, it is possible to easily switch between the case where the
insertion recognition portion is touched and the case where the insertion recognition portion is
not touched by switching to the concave state.
[0020]
(5) In the acoustic plug according to the fifth aspect of the present invention, in the acoustic plug
according to the second to fourth aspects, the mechanical system may be provided with an
unevenness changing mechanism in the axial direction at the tip of the plug.
[0021]
In this case, since the concavo-convex change mechanism is provided in the axial direction at the
tip of the plug, the plug changes into a convex state in a state where the plug is inserted in the
mechanical insertion recognition portion provided on the back side of the insertion port of the
device. It is possible to easily switch between the case where the insertion recognition portion is
brought into contact and the case where the insertion recognition portion is not brought in
contact by changing the concave state.
[0022]
(6) The acoustic plug according to the sixth aspect of the present invention is the acoustic plug
according to the second aspect of the present invention, wherein the mechanical system has the
GND portion and the microphone signal portion alternately arranged in the axial direction of the
plug May be
[0023]
In this case, since the GND portion and the microphone signal portion are alternately arranged in
the axial direction of the plug, both types of CTIA and OMTP can be accommodated.
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[0024]
(7) The acoustic plug according to the seventh invention is the acoustic plug according to the
second invention to the sixth invention, wherein the mechanical system comprises a left audio
signal unit, a right audio signal unit, a GND unit, a microphone signal unit, an insulation A left
audio signal unit, a right audio signal unit, a GND unit, a microphone signal unit, and an
insulating unit may be formed of a stretchable member, and may be deformed by the operation
of the operating unit.
[0025]
In this case, since any one of the left audio signal unit, the right audio signal unit, the GND unit,
the microphone signal unit, and the insulating unit is formed of an elastic member, the elastic
member is deformed by the operation unit. The friction with the inner wall of the jack can be
increased.
As a result, when an accessory or the like is attached to the operation unit, it is possible to realize
removal prevention.
[0026]
(8) The acoustic plug according to the eighth invention is the acoustic plug according to the
second to sixth inventions, wherein the mechanical system comprises a left audio signal unit, a
right audio signal unit, a GND unit, a microphone signal unit, an insulation unit and It has an
operation unit, and at least one of the left audio signal unit, the right audio signal unit, the GND
unit, the microphone signal unit, and the insulating unit has a mechanism to shift the axis, and
the axis is shifted by the rotation operation of the operation unit. It may be done.
[0027]
In this case, since any one of the left audio signal unit, the right audio signal unit, the GND unit,
the microphone signal unit, and the insulating unit has a mechanism for shifting the axial center,
the axial center is shifted by the rotation operation of the operation unit. And friction with the
inner wall of the jack can be increased.
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As a result, when an accessory or the like is attached to the operation unit, it is possible to realize
removal prevention.
[0028]
(9) In the acoustic plug according to the ninth aspect of the present invention, in the acoustic
plug according to the second aspect, the electrical system may have an insulating portion in a
part of the tip of the plug.
[0029]
In this case, since the insulating portion is provided in part of the tip of the plug, the insulating
portion is inserted in the electrical insertion recognition portion provided on the back side of the
insertion port of the device. The case where the insertion recognition portion is brought into
contact and the case where the conduction portion is not brought into contact with the insertion
recognition portion can be easily switched.
[0030]
(10) The acoustic plug according to the other aspect switches the mode for switching between
the mode for causing the device to recognize that the plug is inserted and the mode for causing
the device to recognize that the plug is not inserted while being inserted into the device. The
mechanical system in the switching mode has a left audio signal unit, a right audio signal unit, a
GND unit, a microphone signal unit, an insulator and an operation unit, and the left audio signal
unit, the right audio signal unit, the GND unit, the microphone Either one of the signal unit and
the insulating unit may be formed of a stretchable member, and may be deformed by the
operation of the operation unit.
[0031]
In this case, since any one of the left audio signal unit, the right audio signal unit, the GND unit,
the microphone signal unit, and the insulating unit is formed of an elastic member, the elastic
member is deformed by the operation unit. The friction with the inner wall of the jack can be
increased.
As a result, when an accessory or the like is attached to the operation unit, it is possible to realize
removal prevention.
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[0032]
(11) The acoustic plug according to the other aspect switches between a mode in which it is
recognized that the plug is inserted in the device and a mode in which it is recognized that the
plug is not inserted in the device in a state of being inserted in the device. The mechanical system
in the switching mode has a left audio signal unit, a right audio signal unit, a GND unit, a
microphone signal unit, an insulator and an operation unit, and a left audio signal unit, a right
audio signal unit, a GND unit, At least one of the microphone signal unit and the insulating unit
may have a mechanism for shifting the axial center, and the axial center may be shifted by the
rotation operation of the operation unit.
[0033]
In this case, since any one of the left audio signal unit, the right audio signal unit, the GND unit,
the microphone signal unit, and the insulating unit has a mechanism for shifting the axial center,
the axial center is shifted by the rotation operation of the operation unit. And friction with the
inner wall of the jack can be increased.
As a result, when an accessory or the like is attached to the operation unit, it is possible to realize
removal prevention.
[0034]
It is a schematic plan view which shows an example of the acoustic plug concerning this
Embodiment.
It is a schematic perspective view which shows a part of acoustic plug.
It is a schematic side view of the acoustic plug of FIG.
It is a schematic plan view of the acoustic plug of FIG.
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It is typical explanatory drawing which shows the cross-sectional state which inserted the
acoustic plug in the jack.
It is typical explanatory drawing which shows the cross-sectional state which inserted the
acoustic plug in the jack.
It is a typical perspective view showing an example of an acoustic plug.
It is explanatory drawing for demonstrating the uneven ¦ corrugated mechanism of an acoustic
plug.
It is explanatory drawing for demonstrating the uneven ¦ corrugated mechanism of an acoustic
plug.
It is a typical perspective view showing an example of an acoustic plug.
It is a typical perspective view showing an example of an acoustic plug.
It is a typical perspective view showing an example of an acoustic plug.
It is a typical side view of an acoustic plug.
It is a schematic perspective view of an acoustic plug.
It is typical explanatory drawing of the AA cross section of an acoustic plug. It is typical
explanatory drawing of the BB cross section of an acoustic plug. It is a schematic plan view of an
acoustic plug. It is a typical side view of an acoustic plug. It is a schematic plan view of an
acoustic plug. It is a schematic plan view of an acoustic plug. It is a schematic plan view at the
time of the state change of an acoustic plug. FIG. 7 is a schematic plan view of the acoustic plug
in a further changed state. It is a schematic plan view of an acoustic plug. It is a schematic plan
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9
view at the time of the state change of an acoustic plug. FIG. 7 is a schematic plan view of the
acoustic plug in a further changed state. It is a schematic plan view of an acoustic plug. It is a
schematic plan view at the time of the state change of an acoustic plug.
[0035]
Hereinafter, embodiments according to the present invention will be described using the
drawings. In the following description, the same components are denoted by the same reference
numerals. Their names and functions are also the same. Therefore, detailed description about
them will not be repeated.
[0036]
(One Embodiment) FIG. 1 is a schematic plan view showing an example of an acoustic plug 100
according to the present embodiment. 2 is a schematic perspective view showing a part of the
acoustic plug 100, FIG. 3 is a schematic side view of the acoustic plug 100 of FIG. 2, and FIG. 4 is
a schematic view of the acoustic plug 100 of FIG. It is a top view.
[0037]
As shown in FIG. 1, the acoustic plug 100 includes a left audio signal unit 110, a right audio
signal unit 120, a GND unit 130, a microphone signal unit 140, a direction display unit 141, a
knob unit 143, an accessory unit 142 and an insulating unit 150. Including. The direction display
unit 141 displays the direction in which the sound plug 100 described later is inserted into the
jack 700. In addition, the knob portion 143 rotates around the axis of the acoustic plug 100.
Furthermore, the accessory unit 142 includes various devices or devices.
[0038]
Next, in FIGS. 2 to 4, the left audio signal unit 110, the right audio signal unit 120, the GND unit
130, the microphone signal unit 140 and the insulating unit 150 which are a part of the acoustic
plug 100 are extracted and described. .
[0039]
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10
As shown in FIGS. 2 to 4, the insulating unit 150 is between the left audio signal unit 110 and the
right audio signal unit 120, between the right audio signal unit 120 and the GND unit 130, the
GND unit 130 and the microphone signal unit. It is formed between 140.
[0040]
Further, as shown in FIGS. 2 to 4, the left audio signal unit 110 is eccentric to the axial center PJ
of the right audio signal unit 120, the GND unit 130, the microphone signal unit 140, and the
insulating unit 150. It is formed.
That is, the protrusion 112 is formed between the curved surfaces 111 and 113 formed
conventionally, and the surface 114 is opposite to the protrusion 112 so that the surface 114 is
formed with respect to the axial center PJ. The curved surfaces 111 and 113 and the protrusion
112 are scraped on the side.
[0041]
Next, FIGS. 5 and 6 are schematic explanatory views showing a cross-sectional state in which the
acoustic plug 100 shown in FIGS. 1 to 4 is inserted into the jack 700. FIG.
[0042]
As shown in FIGS. 5 and 6, the jack 700 is formed with terminal lines 710, 711, 720, 730, 740.
In addition, a contact point 712 is formed between the terminal line 710 and the terminal line
711.
[0043]
As shown in FIG. 5, when the acoustic plug 100 is inserted into the jack 700 and the knob
portion 143 is disposed vertically upward, the terminal line 710 is pushed vertically downward
by the left audio signal unit 110, and the terminal The contacts 712 with the line 711 are
separated.
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In this case, the terminal line 710 is in contact with the left audio signal unit 110. Also, the
terminal line 720 is in contact with the right audio signal unit 120, the terminal line 730 is in
contact with the GND unit 130, and the terminal line 740 is in contact with the microphone
signal unit 140.
[0044]
Further, as shown in FIG. 6, when the acoustic plug 100 is inserted into the jack 700 and the
knob portion 143 is disposed so as to be rotated vertically downward, the left audio signal
portion 110 is eccentric, so the terminal line 710 is separated from the left audio signal unit 110,
and the contact 712 of the terminal line 710 and the terminal line 711 is brought into contact.
Also, the terminal line 720 is in contact with the right audio signal unit 120, the terminal line
730 is in contact with the GND unit 130, and the terminal line 740 is in contact with the
microphone signal unit 140.
[0045]
In this case, even when the acoustic plug 100 is inserted into the jack 700, as shown in FIG. 6,
since the left audio signal unit 110 is not physically in contact with the terminal line 710, the
terminal line 710 and the terminal line The contacts 712 of 711 are in contact, and the terminal
lines 710 and 712 are shorted. As a result, since the terminal line 710 and the contact point 712
are shorted although the acoustic plug 100 is inserted, the jack 700 can determine that the
acoustic plug 100 is not inserted.
[0046]
Another Example Next, another example of the acoustic plug 100 shown in FIGS. 1 to 6 will be
described. In the following, as described in FIGS. 2 to 4, a part of the acoustic plug 100 will be
described.
[0047]
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12
7, 8 and 9 are schematic views showing another example of the acoustic plug 100 shown in FIG.
2 to FIG. FIG. 7 is a schematic perspective view showing an example of the acoustic plug 100a,
and FIG. 8 and FIG. 9 are explanatory views for explaining the concavo-convex mechanism 113a
of the acoustic plug 100a.
[0048]
Hereinafter, as shown in FIG. 7, in the acoustic plug 100 a, differences from the acoustic plug
100 of FIGS. 2 to 4 will be described.
[0049]
In the sound plug 100 a of FIG. 7, a left audio signal unit 110 a is formed instead of the left audio
signal unit 110.
The left audio signal unit 110a is formed with a concavo-convex mechanism 113a having a
concavo-convex portion in comparison with the conventional left audio signal section 110a. The
concavo-convex mechanism 113a moves in the direction of the arrow P2 by moving the
operation unit 145 in the direction of the arrow P1. Conversely, the concavo-convex mechanism
113a moves in the direction opposite to the arrow P2 by moving the operation unit 145 in the
direction opposite to the arrow P1.
[0050]
As shown in FIG. 8, when the concavo-convex mechanism 113a moves in the direction of the
arrow P2, as shown in FIG. 5, the left audio signal unit 110a contacts the terminal line 710, and
the contact 712 separates. Further, as shown in FIG. 9, when the concavo-convex mechanism
113a moves in the opposite direction to the arrow P2, as shown in FIG. 6, the left audio signal
unit 110a separates from the terminal line 710 and the contact 712 contacts Do.
[0051]
The operation unit 145 may be connected to the knob unit 143 and the accessory unit 142, may
be provided separately, and may be rotated as well as axially extended and contracted.
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13
[0052]
Still Another Example Next, FIGS. 10 and 11 are schematic views showing another example of the
acoustic plug 100. FIG.
10 and 11 are schematic perspective views showing an example of the acoustic plug 100b.
[0053]
Hereinafter, as shown in FIGS. 10 and 11, in the acoustic plug 100b, points different from the
acoustic plugs 100 and 100a of FIGS. 2 to 4 will be described. The acoustic plug 100b has a left
audio signal unit 110b made of a spherical shape. In the sound plug 100b, the left audio signal
unit 110b is moved in the direction of the arrow P3 by moving the operation unit 145 in the
direction of the arrow P1. Conversely, the left audio signal unit 110b moves in the direction
opposite to the arrow P3 by moving the operation unit 145 in the direction opposite to the arrow
P1.
[0054]
Further, as shown in FIG. 10, when the left audio signal unit 110b moves in the direction of the
arrow P3, as shown in FIG. 6, the left audio signal unit 110b separates from the terminal line 710
and the contact 712 contacts. When the left audio signal unit 110b moves in the direction
opposite to the arrow P3, as shown in FIG. 5, the left audio signal unit 110b contacts the terminal
line 710, and the contact 712 is separated.
[0055]
Still Another Example Next, FIGS. 12, 13 and 14 are schematic views showing another example of
the acoustic plug 100. FIG.
FIG. 12 is a schematic perspective view showing an example of the acoustic plug 100c, and FIG.
13 is a schematic side view of the acoustic plug 100c.
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14
[0056]
As shown in FIG. 12 and FIG. 13, the difference between the acoustic plug 100 c and the acoustic
plugs 100, 100 a and 100 b will be described. The acoustic plug 100c has a left audio signal unit
110c and a right audio signal unit 120, and further has a plurality of GND units 130c, a plurality
of microphone signal units 140c, and insulating units 150 and 150c.
[0057]
As shown in FIGS. 12 and 13, the plurality of GND units 130c and the plurality of microphone
signal units 140c are alternately arranged at 90 degrees by being divided. In addition, the
microphone signal unit 140c is disposed adjacent to the entire periphery of one GND unit 130c.
Also, the GND portion 130c is disposed adjacent to the entire periphery of one microphone signal
portion 140c. In addition, an insulating unit 150c is provided between the GND unit 130c and
the microphone signal unit 140c. As a result, the GND portion 130c and the microphone signal
portion 140c are alternately arranged.
[0058]
As a result, since the GND portion 130c and the microphone signal portion 140c are alternately
arranged, it is possible to connect any type of cellular telephone industry association (CTIA) and
open mobile terminal platform (OMTP).
[0059]
Subsequently, FIG. 14 is a schematic perspective view of the acoustic plug 100 d, FIG. 15 is a
schematic explanatory view of an AA cross section of the acoustic plug 100 d, and FIG. 16 is a BB
cross section of the acoustic plug 100 d. FIG.
[0060]
As shown in FIG. 14, the acoustic plug 100d has a left audio signal unit 110d and a right audio
signal unit 120, and further includes a plurality of GND units 130d, a plurality of microphone
signal units 140d, insulating units 150 and 150d, and a resin unit 160d. Have.
[0061]
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15
Further, as shown in FIG. 15, in the A-A cross section, the GND portion 130d, the microphone
signal portion 140d, and the plurality of resin portions 160d are divided at 90 degrees and
alternately disposed.
[0062]
Furthermore, as shown in FIG. 16, in the B-B cross section, the microphone signal portion 140 d,
the GND portion 130 d, and the plurality of resin portions 160 d are divided at 90 degrees and
alternately disposed.
As shown in FIGS. 15 and 16, microphone signal units 140d and GND units 130d are alternately
arranged in the axial direction.
An insulating unit 150d is disposed between the GND unit 130d and the microphone signal unit
140d.
[0063]
As a result, since the GND portion 130 d and the microphone signal portion 140 d are alternately
arranged, it is possible to connect any type of Cellular Telephone Industry Association (CTIA) and
Open Mobile Terminal Platform (OMTP), Furthermore, when the GND portion 130 d and the
microphone signal portion 140 d are unnecessary, the plurality of resin portions 160 d come
into contact with the terminal lines 730 and 740 and there is no electrical continuity, so that the
microphone output can be cut.
[0064]
In the acoustic plugs 100c and 100d shown in FIGS. 12 to 16, the decentered left audio signal
unit 110 shown in FIGS. 1 to 4 may be provided instead of the left audio signal units 110c and
110d.
[0065]
Still Another Example FIGS. 17 to 19 show still another example of the acoustic plug 100. FIG.
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16
FIG. 17 shows a schematic plan view of the acoustic plug 100e, and FIG. 18 shows a schematic
side view of the acoustic plug 100e.
FIG. 19 shows a schematic plan view of the acoustic plug 100 f.
[0066]
The acoustic plug 100e further includes an insertion protection portion 170, an accessory
portion 171, a knob portion 175, and a hole portion 180 in addition to the acoustic plug 100
shown in FIG.
As a result, the sound plug 100e can be rotated by the knob portion 175, and the insertion
direction can be easily recognized.
Further, the sound plug 100 f is provided with a character cover fixing projection 177. As a
result, the character cover made of an elastic body can be inserted into the character cover fixing
projection 177 and fixed. In addition, in the acoustic plug 100f, the insertion protection portion
170 or the character cover fixing projection 177 may be formed in a polygonal shape, an
elliptical shape, or a circular shape. In that case, when the character cover is attached, the
direction of the acoustic plug 100f can be easily confirmed.
[0067]
Still Another Example FIGS. 20 to 22 show still another example of the acoustic plug 100. FIG.
FIG. 20 shows a schematic plan view of the acoustic plug 100g, FIG. 21 shows a schematic plan
view of the acoustic plug 100g when the state changes, and FIG. 22 schematically shows the
acoustic plug 100g when the state is further changed. A top view is shown.
[0068]
The acoustic plug 100g shown in FIGS. 20 to 22 includes a left audio signal unit 110g made of a
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17
conductive stretchable material. The left audio signal unit 110 g is deformed by the operation of
the operation unit 145.
[0069]
Specifically, as shown in FIG. 20, when the acoustic plug 100g is inserted into the jack 700, the
left audio signal unit 110g does not physically contact the terminal line 710, and the contact 712
is in contact with it. Become. Next, as shown in FIG. 21, when the operation unit 145 is moved in
the direction of the arrow P1, the left audio signal unit 110g made of a conductive stretchable
material deforms and contacts the terminal line 710, and the contact 712 separates. Do.
[0070]
As a result, the left audio signal unit 110 g conducts with the terminal line 710. Furthermore, as
shown in FIG. 22, when the operation unit 145 is further moved in the direction of the arrow P1,
the left audio signal unit 110g made of a conductive stretchable material is deformed and
contacts the inner wall of the hole of the jack 700, The friction between the acoustic plug 100g
and the jack 700 is increased, and it becomes difficult to pull out.
[0071]
Note that a latch mechanism or latch structure capable of maintaining or holding each state
shown in FIG. 20, 21 or 22 may be separately provided.
[0072]
Still Another Example FIGS. 23 to 25 show still another example of the acoustic plug 100. FIG.
FIG. 23 shows a schematic plan view of the acoustic plug 100h, FIG. 24 shows a schematic plan
view of the acoustic plug 100h at the time of a state change, and FIG. 25 schematically shows the
acoustic plug 100h when the state is further changed. A top view is shown.
[0073]
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18
The acoustic plug 100 h shown in FIGS. 23 to 25 includes a right audio signal unit 120 h made
of a conductive stretchable material. The right audio signal unit 120 h is deformed by the
operation of the operation unit 145.
[0074]
Specifically, as shown in FIG. 23, before the sound plug 100h is inserted into the jack 700 and
the operation unit 145 is pulled out in the direction of the arrow P1, the right audio signal unit
120h is not deformed. Next, as shown in FIG. 24, when the acoustic plug 100h is inserted into
the jack 700 and the operation unit 145 is pulled out in the direction of the arrow P1, the right
audio signal unit 120h is deformed from the axis toward the outer periphery. As a result, it
contacts the inner wall of the hole of the jack 700, the friction between the acoustic plug 100h
and the jack 700 increases, and the extraction becomes difficult.
[0075]
Furthermore, as shown in FIG. 25, when the operation unit 145 is further moved in the direction
of the arrow P1, the right audio signal unit 120h made of a conductive stretchable material is
deformed and contacts the inner wall of the hole of the jack 700, The friction between the
acoustic plug 100 h and the jack 700 is increased, and the extraction becomes even more
difficult.
[0076]
In the above description, the right audio signal unit 120h is made of a conductive stretchable
material, but the invention is not limited thereto. The insulating unit 150 may be formed of a
nonconductive stretchable material. The microphone signal unit 140 may be formed of a
conductive stretchable material.
[0077]
In addition, a latch mechanism or latch structure capable of maintaining or holding each state
shown in FIG. 23, 24 or 25 may be separately provided.
[0078]
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19
(Still Another Example) FIGS. 26 and 27 show still another example of the acoustic plug 100. FIG.
FIG. 26 shows a schematic plan view of the acoustic plug 100j, and FIG. 27 shows a schematic
plan view of the acoustic plug 100j at the time of state change.
[0079]
As shown in FIGS. 26 and 27, the acoustic plug 100j includes a right audio signal unit 120j, a
GND unit 130j, and a microphone signal unit 140j.
The right audio signal unit 120j, the GND unit 130j, and the microphone signal unit 140j
individually move the axial centers in different directions by rotating the operation unit 145 in
the direction of the arrow R1.
[0080]
Specifically, as shown in FIGS. 26 and 27, the sound plug 100j rotates the operation unit 145 in
the direction of the arrow R1, whereby the right audio signal unit 120j and the microphone
signal unit 140j move vertically upward. As a result, the GND portion 130 j moves vertically
downward.
As a result, it contacts the inner wall of the hole of the jack 700, the friction between the acoustic
plug 100j and the jack 700 increases, and the extraction becomes difficult.
[0081]
Further, in the above description, although the axial centers of the right audio signal unit 120j,
the GND unit 130j, and the microphone signal unit 140j are moved, the present invention is not
limited to this, the right audio signal unit 120j, the GND unit 130j, Alternatively, one or two axes
of the microphone signal unit 140 j may be moved, and horizontal and vertical directions may be
used instead of the vertically upward and downward directions.
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[0082]
Although the operation unit 145 has been described, the present invention is not limited to this,
and a cable or an accessory may be attached to the operation unit 145.
In this case, it is possible to form a fall prevention structure when a cable, an accessory or the
like is attached. Furthermore, although the operation unit 145 is rotated in the direction of the
arrow R1, the present invention is not limited to this, and a push type operation unit of push-in
may be used.
[0083]
Furthermore, in the above embodiment, although the microphone signal units 140 to 140j are
used, the present invention is not limited to this, and a microphone signal unit for noise canceller
may be further provided, and the microphone signal units 140 to 140j. May be divided into left
and right microphone signal sections.
[0084]
Also, although the acoustic plugs 100, 100a to 100j have been described in the present
embodiment, the present invention is not limited to this, and the present invention can be applied
to plugs other than the plugs relating to acoustics.
[0085]
In addition, a latch mechanism or latch structure capable of maintaining or holding each state
shown in FIG. 26 or 27 may be additionally provided.
[0086]
In the case where the terminal line 710 contacts or separates from the left audio signal unit 110
by the rotation of the left audio signal unit 110 as shown in FIG. 5 or 6, when the user rotates the
knob 143, the left The audio signal unit 110 rotates.
The change from the state in which the terminal line 710 contacts the left audio signal unit 110
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to the state in which the terminal line 710 is in the separated state has an effect that the user can
easily determine by the change in the force required for rotation.
Further, the end portion of the left audio signal unit 110 may be provided with unevenness so
that a click feeling may be generated when changing from the state in contact with the left audio
signal unit 110 to the separated state.
[0087]
As described above, the acoustic plugs 100, 100a to 100j according to the present invention can
switch between a mode for recognizing that a plug is inserted and a mode for recognizing that a
plug is not inserted.
As a result, when the acoustic plug 100 is inserted into the device, it can be recognized that the
acoustic plug 100 is not inserted into the device. Since the sound plug 100 can be recognized as
not being inserted into the jack 700 when the sound plug 100 is inserted, loss of the sound plug
100 can be prevented.
[0088]
Further, since the acoustic plugs 100g and 100h have conductive stretchable members, the
friction between the acoustic plugs 100g and 100h and the inner wall of the jack 700 can be
enhanced. As a result, extraction prevention of the plugs 100g and 100h from the jack 700 can
be realized. In addition, since the acoustic plug 100 j has a mechanism for shifting the axis,
extraction prevention can be realized similarly.
[0089]
The sound plug according to the present invention corresponds to a mode in which the state of
FIG. 5 recognizes that it is inserted, corresponds to a mode in which it recognizes that the state is
not inserted, and the left audio signal unit 110 switches In the mode, the acoustic plugs 100,
100a to 100j correspond to the acoustic plugs, the left audio signal unit 110 corresponds to the
eccentrically formed mechanical system, and the concavo-convex mechanism 113a corresponds
to the concavo-convex switching mechanism in the circumferential direction. Correspondingly,
the left audio signal unit 110b corresponds to the unevenness changing mechanism in the axial
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direction, the GND units 130 and 130c correspond to the GND units, and the microphone signal
units 140, 140c, 140d and 140j correspond to the microphone signal units, and the left The
audio signal units 110, 110a, 110b, 110c, 110d, and 110g correspond to left audio signal units,
and the right audio signal units 120, 120j, and 120h correspond to right audio signal units.
Correspondingly, the insulating portions 150, 150c and 150d correspond to the insulating
portions, the operation portion 145 corresponds to the operation portion, the left audio signal
portion 110g and the right audio signal portion 120h correspond to the elastic members, and the
right audio signal portion Reference numerals 120 j and 130 j and the microphone signal unit
140 j correspond to a mechanism for shifting the axis.
[0090]
Although a preferred embodiment of the present invention is as described above, the present
invention is not limited thereto.
It will be understood that various other embodiments may be made without departing from the
spirit and scope of the present invention. Furthermore, in the present embodiment, actions and
effects according to the configuration of the present invention are described, but these actions
and effects are only examples and do not limit the present invention.
[0091]
100, 100a ˜ ˜ 100j audio plug 110, 110a, 110b, 110c, 110g left audio signal unit 110b left
audio signal unit 113a uneven mechanism 120, 120h, 120j right audio signal unit 130, 130c,
130j GND unit 140 140c, 140d, 140j Microphone signal unit 145 Operation unit 150, 150c,
150d Insulating unit
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