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JP2011087335

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DESCRIPTION JP2011087335
PROBLEM TO BE SOLVED: To provide a headphone which can be simultaneously connected to a
plurality of external sound source devices separately and can arbitrarily select and combine
audio information and music of different contents possessed by each external sound source
device simultaneously. SOLUTION: A plurality of external sound source devices and a plurality of
sets of speaker units to be connected corresponding to each other are provided in an inner
housing portion of a headphone, and connection of each external sound source devices to be
connected corresponding to each other. The unit and the connection terminals of each speaker
unit are connected by separate connection cords, and operation means for adjusting the output
signal of the external sound source device such as volume control and on / off switch to an
appropriate position in the middle of this connection cord Intervene independently. [Selected
figure] Figure 3
ヘッドホン
[0001]
The present invention relates to headphones (including earphones), and more specifically, to
simultaneously select a plurality of sound source devices and simultaneously separately select
voice information and music of different contents obtained from each sound source device and
combine them and listen simultaneously Related to headphones.
[0002]
Headphones including earphones are devices that convert electrical signals input from an
external sound source device into audio information or audio signals such as music and press
them against the pinna or ear canal opening for listening. A plug that has a speaker unit that
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converts an electrical signal output from the device into an audio signal and propagates it as air
vibration, and one end is connected to the terminal of the speaker unit in the main unit and the
other end is detachably connected to an external sound source device It has a connection cord
with connectors such as jacks and jacks.
[0003]
Headphones have long been developed and used for listening to weak audio signals provided by
low-performance wireless communication devices and radio receivers by blocking the influence
of external sound, but to external open space As a result of the evaluation of the characteristics
that enable unremarkable personal listening that suppressed or blocked the influence of sound
signal propagation (so-called sound leakage) and external sound, the conversion from electrical
signal to sound signal in various sound source devices and Even after the ability of amplification
and propagation has been significantly improved and there is no hindrance to listening by
external speakers, its use has been greatly expanded, and the spread and penetration of various
portable sound source devices that are easy to carry-in particular, represented by the iPod
(registered trademark) Dramatically improved sound quality and increased capacity of digital
audio players and digital playback devices for moving picture still images, etc., daily recording of
various audio information by digital voice recorder Use - the result, listening use of the sound
source device in accordance with the headphones regardless of the indoor outdoor may be said
that has been established in the remarkable proceed already everyday life.
[0004]
As described above, headphones have been widely used at present due to the sound insulation
properties that suppress the influence of external sound and external sound leakage, but
conversely, one problem caused by this characteristic is also pointed out and solved.
Development and provision of headphones are also required.
[0005]
That is, as shown in FIG. 5, in the conventional headphones, one-to-one correspondence with an
external sound source device is absolutely premised, and the housing portion 15 in the main
body 11 of the headphone 1 used by pressing against the auricle or the ear canal opening Only
one or a pair of speaker units 13 to be compatible with a single external sound source device is
provided, and is compatible with the speaker units 13 via a single connection cord 14 provided
with connectors such as a jack 2 Connected to a single external sound source device, and
configured to listen to audio information and music provided by the sound source device, and
naturally, the number of sound source devices that can be listened by one headphone is limited
to one and a plurality of sound source devices It is not possible to simultaneously listen to audio
information and music of different contents provided by a single headphone.
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[0006]
However, a variety of sound source devices are carried on a daily basis due to the reduction in
size and weight, and a large increase in the capacity due to digitization can save and accumulate
a large amount of various voice information and music and listen constantly. Requests such as
wanting to simultaneously listen to the content of the talk recorded in the voice and the audio
information of the foreign language course received through the FM transmitter or stored in the
audio player at the same time with the favorite music saved and accumulated in other audio
players simultaneously Not a few.
[0007]
Of course, the one-to-one correspondence between the external sound source device and the
speaker unit is not unique to the headphone but common to the speaker in general, but if it is a
speaker that amplifies and propagates the audio signal to the open space, By operating multiple
sets of speakers connected separately, it is possible to simultaneously listen to all of the different
audio information and music from each speaker, but multiple headphones can be worn
simultaneously, regardless of how many headphones with high sound insulation are prepared It
is not possible to simultaneously listen to different voice information and music from different
sound source devices, and even if the connectors of the connection cord terminal are branched, it
is possible to easily switch and use a plurality of sound source devices to meet the simultaneous
listening desired. It is not possible.
[0008]
In addition, if high-functional digital editing equipment is used, it is possible to simultaneously
input different audio information and music from a plurality of sound source equipment to the
editing equipment and immediately output it to a single headphone. The operation is not easy for
general sound source equipment users, and the request for simultaneous listening is premised on
easy and easy operation with a small, lightweight, portable external sound source equipment, so
it is large and portable. The need for simultaneous listening can not be met with this type of
digital editing device, which relies heavily on sophisticated and complex operations on the output
device side.
[0009]
Furthermore, by using relatively simple editing software, it is possible to combine or overlap
different voice information and music pieces of a plurality of sound source devices by a personal
computer, but this is a one-on-one correspondence between sound source devices and
headphones. Not only is it used, but it is not only troublesome to perform pre-editing, but it also
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wants to select and combine different audio information and music from different sound source
devices according to the situation and mood at the time of listening. In addition, the sound
information of any one of the sound source devices and the volume of music can not be
increased or decreased at the time of listening, or stop and restart can not be optionally operated
independently of other sound source devices.
[0010]
In the past, headphones were equipped with locking means such as a headband, etc., and the
large diameter ones used to cover and use the entire pinna were inserted into the ear canal,
holding the main body in the locking position of the ear canal opening The small diameter one
that is pressed and pressed is also referred to as an earphone, but at present the small diameter
so-called headphones that are not equipped with a headband and are hooked to the pinna by
hooks and used, and without cartilage plugs A large number of so-called earphones, etc., which
bring the main body into contact with the opening of the ear canal by locking, are often provided
as a result of losing their clear boundaries. .
The term "headphones" used in the present specification also applies to all so-called headphones
and earphones.
[0011]
JP, 2005-278177, A JP, 2005-354560, A JP, 2008-259, 157 A
[0012]
It is an object of the present invention to arbitrarily select and combine audio information and
music of different contents which are simultaneously connected to a plurality of external sound
source devices separately and converted electric signals input from each external sound source
device into audio signals and combined and listened simultaneously Realize headphones that can
be operated independently at the same time while listening to audio information of different
contents of each sound external sound source device being listened to at the same time and
increase / decrease of volume of music or stop / resumption It is in the place of offering.
[0013]
The invention according to claim 1 has a speaker unit for converting an electric signal of an
external sound source device into an audio signal in a housing portion in a main body which is
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pressed against an ear canal or an ear canal opening and has one end on a terminal portion of
the speaker unit. A headphone in which a connection cord having a connector for connecting and
electrically connecting to a desired external sound source device is disposed at the other end, and
is separately connected to a plurality of external sound source devices to the housing portion in
the main body. To provide a plurality of sets of speaker units to be connected, and a separate
connection cord having a connector for electrically connecting each of the plurality of sets of
speaker units to the external sound source device to be connected. It is a headphone that is
characterized by
[0014]
According to the second aspect of the present invention, means for adjusting the electric signals
of the plurality of sound source devices independently such as a volume controller and an on /
off switch may be provided at an appropriate position in the middle of the connection cord. It is a
headphone according to claim 1, characterized by the following.
[0015]
As described above, according to the headphone according to the present invention, a plurality of
external sound source devices and a plurality of or a plurality of speaker units to be connected
separately are provided in the main body of the headphone Since the units are connected by
different connection cords, it is possible to simultaneously connect each external sound source
device and each speaker unit, arbitrarily select and combine voice information and music of
different contents, and simultaneously listen with one headphone At the same time, the voice
information of different contents being listened simultaneously by the adjusting operation means
interposed in the middle part of the connection cord, the increase and decrease of the volume of
music, and the resumption of stop etc. It can also be done.
[0016]
It is a sectional view showing an example of headphones concerning the present invention.
It is sectional drawing which shows the other example of the headphone which concerns on this
invention.
It is a front view which shows the aspect of implementation of the headphone which concerns on
this invention.
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It is a block diagram which shows the aspect of implementation of the headphone which
concerns on this invention.
It is sectional drawing which shows the conventional headphone.
[0017]
The present invention uses parts which are easy to procure, and simultaneously connects to a
plurality of external sound source devices which have not been used so far, without any special
increase in manufacturing man-hours and costs, and voice information and music of different
contents are arbitrary. We have realized headphones that can be selected and combined and
listened simultaneously.
[0018]
FIG. 1 shows an embodiment of a headphone according to the present invention, and FIG. 3 and
FIG. 4 show an embodiment of the embodiment. In the embodiment shown, the earplug 12 is
inserted into the ear canal for listening It is a so-called earphone type headphone to be used, and
is a stereotype or high fidelity type headphone having a pair of main parts for right and left ears.
[0019]
In the headphone 1 according to the present embodiment, a plurality of different external sound
source devices are separately connected to the hollow housing portion 15 formed in the inside of
the main body 11 to convert an input electric signal into an audible sound signal. The two
speaker units of the dynamic type first speaker unit 13a and the second speaker unit 13b are
fitted at substantially parallel positions slightly inclined toward the earplug direction, and the
respective speaker units 13a and 13b are provided. The first connection cord 14a and one end of
the second connection cord 14b for connecting the speaker units 13a and 13b to different
external sound source devices to which each of the speaker units 13a and 13b should
correspond are connected and fixed to the connection terminals. External sound source devices
are provided at the open end of the connection cords 14a and 14b disposed so as to extend to
the outside. A first connection jack 2a and a second connection jack 2b are provided which are
inserted into and connected to the connection portion of the second embodiment.
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(See Figure 1)
[0020]
As shown in FIGS. 3 and 4, the first speaker unit 13a and the second speaker unit 13b fitted in
the main body 11 of the pair of left and right headphones 1 and a plurality of different external
sound source devices (the first external sound source device 4a and the first The first connection
cord 14a and the second connection cord 14b for separately connecting the two external sound
source devices 4b) are open ends provided with the first connection jack 2a and the second
connection jack 2b which are connectors for connection with the external sound source device.
On the part side, they are branched into one and covered in parallel at an appropriate position in
the middle direction, but two pairs of first speaker unit 13a and second speaker unit fitted in the
pair of left and right bodies 11 In order to connect and fix each of the terminal portions 13b, two
first connection cords 14a and two second connection cords 14b are provided at appropriate
positions in the direction of the headphone 1 main body 11, respectively. The other ends of the
pair of first connection cords 14a and second connection cords 14b are connected to the
terminal portions of the first speaker unit 13a and the second speaker unit fitted in the main
body 11 for the left ear. Connect and connect the other end of each of the other pair of first
connection cords 14a and second connection cords 14b to the terminal portions of the first
speaker unit 13a and the second speaker unit in the main body 11 for the right ear. ing.
[0021]
In the embodiment shown in FIGS. 3 and 4, an intermediate portion between the first connection
cord 14a and the second connection cord 14b for connecting the external sound source devices
4a and 4b and the two speaker units 13a and 13b, respectively The volume controller 3 is
provided at the position, and the first volume 3a and the second volume 3b each having the
adjustment dial are separately connected to the connection cords 14a and 14b, respectively.
(In the present embodiment, the first connection cord 14a and the second connection cord 14b,
which are one each on the open end side, are branched into two each at the interposed position
of the volume controller 3.
)
[0022]
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The headphone according to the present embodiment has the above configuration and is used as
in the illustrated embodiment, so that different electrical signals output from two different
external sound source devices 4a and 4b correspond to each other. As different speaker units
13a and 13b connected as described above are separately converted into audio signals, it is
optional to simply mount one headphone 1 having a pair of left and right main bodies 11 in
which the speaker units 13a and 13b are fitted. At the same time, it is possible to enjoy listening
and listening to audio information and music of two different types of contents selected and
combined at the same time.
[0023]
Further, in the headphones according to the present embodiment, the electric signals output
through the connection cords to the middle positions of the two types of connection cords 14a
and 14b connecting the external sound source devices 4a and 4b and the speaker units 13a and
13b are separately Since the volumes 3a and 3b are provided to adjust the volume of the audio
signal obtained on each speaker unit 13a and 13b side independently by adjusting operation
independently, for example, digital information behind the speech information of the speech
recorded on the voice recorder If you are listening to the audio player's music at the same time
and you want to concentrate on the important audio information part of the lecture, you can
lower the music volume only to the lowest level or raise the volume of the lecture part, etc. And
since it is possible to make timely and optional adjustment use, it is possible to truly meet the
request of simultaneous listening.
[0024]
In this embodiment, as the speaker units 13a and 13b fitted in the housing portion 15 formed in
the main body 11 of the headphone 1, permanent magnets are disposed in the hollow portion of
the voice coil to which the diaphragm is attached. It is needless to say that although a dynamic
type speaker unit is used to give an electric signal to a voice coil in a magnetic field to vibrate, it
is only for the convenience of explanation and can be implemented using any type of speaker
unit.
FIG. 2 shows an example using another type of speaker unit, in which a crystal type speaker unit
13a, 13b is used as a vibrating thin film by attaching a metal plate to a piezoelectric ceramic, and
a dynamic type speaker unit In the coaxial configuration, a small first speaker unit 13a suitable
for audio information reproduction is arranged at a position in front of the center of a relatively
large second speaker unit 13b suitable for music reproduction since a thinner and smaller one
can be used. It is installed.
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[0025]
In the present embodiment, the volume controller 3 is interposed at an intermediate position
between the external sound source devices 4a and 4b and the connection cords 14a and 14b
connecting the speaker units 13a and 13b, but each connection cord 14a such as an on / off
switch It is also optional to attach other adjustment operation means to function independently
for every 14b, and is in the relation included in the scope disclosed in the present invention.
[0026]
Furthermore, in the present embodiment, two types of speaker units 13a and 13b for
simultaneously listening to different audio information and music are used to correspond to two
external sound source devices, but this number has no special meaning.
Technically, it is possible to provide three or more types of speaker units to correspond to three
or more external sound source devices, and it is not excluded whether there is a realistic demand
or an advantage. .
[0027]
DESCRIPTION OF SYMBOLS 1 headphone 2 connection jack 2a 1st connection jack 2b 2nd
connection jack 3 volume controller 3a 1st volume 3b 2nd volume 4a 1st external sound source
device 4b 2nd external sound source device 11 main body 12 earplug 13 speaker unit 13a 1st
speaker unit 13 b second speaker unit 14 connection cord 14 a first connection cord 14 b
second connection cord 15 housing portion
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