close

Вход

Забыли?

вход по аккаунту

JP2010028211

код для вставкиСкачать
Patent Translate
Powered by EPO and Google
Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2010028211
A plurality of speaker units are combined without complicated wiring. When a male connector
40A is inserted into a female connector 50A, an electrode 20U of an electrostatic speaker unit 1A
(1C) is connected to an electrostatic speaker unit 1B (1D). Further, the two vibrators 10 are
connected to each other, and the electrodes 20U of the two are connected to each other. When
the male connector 40B is inserted into the female connector 50B, the electrode 20U of the
electrostatic speaker unit 1A (1B) and the electrode 20U of the electrostatic speaker unit 1C (1D)
are connected. Further, both of the vibrators 10 are connected to each other, and the electrodes
20U of the both are connected to each other. A plurality of electrostatic type loudspeaker units
are electrically connected only by a simple operation of inserting the male connectors 40A and
40B into the insertion openings 52 of the female connectors 50A and 50B, and the same signal is
supplied to each electrostatic loudspeaker unit It has become possible. [Selected figure] Figure 4
Electrostatic speaker and speaker system
[0001]
The present invention relates to an electrostatic speaker.
[0002]
There is a speaker disclosed in Patent Document 1 as a speaker in which a plurality of speaker
units are combined.
04-05-2019
1
In this speaker, a pentagonal panel having a recess on its side is connected by an elastic body
fitted in the recess, and a speaker unit is disposed in a hole at the center of each panel. According
to this configuration, a large speaker or a three-dimensional speaker can be configured by using
a plurality of panels provided with the speaker unit.
[0003]
JP, 2006-333227, A
[0004]
By the way, in the speaker disclosed in Patent Document 1, the speaker unit attached to each
panel is independent.
For this reason, wiring for supplying a signal to the speaker unit must be performed for each
speaker unit, and there is a problem that the wiring becomes troublesome as the number of
speaker units increases.
[0005]
The present invention has been made under the above-described background, and it is an object
of the present invention to provide a technology capable of combining a plurality of speaker
units without complicated wiring.
[0006]
In order to solve the problems described above, the present invention has a first electrode having
conductivity, a second electrode having conductivity and spaced apart from the first electrode,
and conductivity. A vibrating body disposed between the first electrode and the second electrode
and spaced apart from the first electrode and the second electrode, and a terminal connected to
the first electrode, the vibrating body, and the second electrode And a female connector having a
first connector, a terminal connected to the vibrator and the second electrode, and a male
connector having the second connector.
[0007]
04-05-2019
2
In the present invention, connection means may be provided to connect with the adjacent
electrostatic speaker unit.
Further, in the present invention, the connection means may be capable of changing an angle
between the connected electrostatic speaker units.
Further, in the present invention, the male connector may have flexibility.
[0008]
Further, the present invention has a plurality of electrostatic speaker units of any of the abovementioned configurations, and the male connector of the electrostatic speaker unit is fitted to the
female connector of another electrostatic speaker unit adjacent to each other, Speaker system in
which a first electrode of a speaker unit is electrically connected, a vibrator of each electrostatic
speaker unit is electrically connected, and a second electrode of each electrostatic speaker unit is
electrically connected I will provide a.
[0009]
According to the present invention, a plurality of speaker units can be combined without
complicated wiring.
[0010]
Embodiment FIG. 1 is an external view of an electrostatic speaker unit 1 according to an
embodiment of the present invention, and FIG. 2 is a cross-sectional view of the electrostatic
speaker unit 1.
FIG. 3 is a top view of a speaker system S obtained by connecting a plurality of electrostatic
speaker units 1.
[0011]
(Configuration of Electrostatic Speaker Unit 1) First, the electrostatic speaker unit 1 configuring
04-05-2019
3
the speaker system S will be described.
As shown in the figure, the electrostatic speaker unit 1 has a vibrator 10, electrodes 20U and
20L, and spacers 30U and 30L. The electrostatic speaker unit 1 also has male connectors 40A
and 40B and female connectors 50A and 50B. Note that the dimensions of each component in
the figure are different from the actual dimensions so that the shapes of the components can be
easily understood, and · is described in o in the diagram Means an arrow pointing from
the back of the drawing to the front.
[0012]
(Configuration of Each Part of Electrostatic Loudspeaker Unit 1) The vibrator 10 is made of, for
example, a film of PET (polyethylene terephthalate, polyethylene terephthalate), PP
(polypropylene, polypropylene), etc. Is applied, and its thickness is about several micrometers to
several tens of micrometers.
[0013]
The spacers 30U and 30L are formed of an insulator, and the shape thereof is a rectangular
frame.
In the present embodiment, the lengths in the X and Y directions of the spacers 30U and 30L and
the lengths in the X and Y directions of the electrodes 20U and 20L are the same. Further, the
heights of the spacers 30U and the spacers 30L in the Z direction are the same.
[0014]
The electrodes 20U and 20L are formed by processing a plate-like metal having conductivity into
a rectangular shape. In the electrodes 20U and 20L, a plurality of through holes 21 penetrating
from the front surface to the rear surface are provided at predetermined intervals in order to
ensure sound transmission. In the present embodiment, the lengths in the X and Y directions of
the electrodes 20U and 20L are longer than the lengths in the X and Y directions of the vibrating
body 10.
04-05-2019
4
[0015]
The male connectors 40A and 40B are flexible sheet-like connectors in which terminals made of
copper foil are sandwiched between insulating films, and have terminals 41A to 41C. In addition,
in both surfaces of male connector 40A, 40B, as shown in FIG. 1, terminal 41A-41C is exposed at
the edge part.
[0016]
The female connectors 50A, 50B are connectors into which the male connectors 40A, 40B are
fitted. The female connectors 50A, 50B have an insertion opening 52 into which the male
connectors 40A, 40B are inserted, and in the insertion opening 52, the terminals 41A ˜ exposed
at the end of the fitted male connectors 40A, 40B It has terminals 51A to 51C in contact with
41C.
[0017]
(Structure of Electrostatic Speaker Unit 1) Next, the structure of the electrostatic speaker unit 1
will be described. In the electrostatic speaker unit 1, the peripheral portion of the vibrating body
10 is sandwiched between the spacer 30 U and the spacer 30 L in a tensioned state and fixed to
the spacers 30 U and 30 L, thereby sandwiching the vibrating body 10. The spacer 30U and the
spacer 30L are fixed to each other. Further, in the electrostatic speaker unit 1, the electrode 20U
is fixed to the spacer 30U, the electrode 20L is fixed to the spacer 30L, and the electrode 20U
and the electrode 20L face each other with the spacer 30U and the spacer 30L interposed
therebetween. There is a gap between it and 10.
[0018]
Further, in the electrostatic speaker unit 1, one end of each of the male connectors 40A, 40B is
located between the spacer 30U and the spacer 30L, and the terminal 41A at this position is
connected to the electrode 20U by a wire not shown. The terminal 41B is connected to the
vibrator 10, and the terminal 41C is connected to the electrode 20L. The other ends of the male
connectors 40A and 40B are located outside the frame shaped spacers 30U and 30L. In the
present embodiment, the male connector 40A is disposed on one of the side surfaces of the
04-05-2019
5
electrostatic speaker unit 1 along the Y direction, and the male connector 40B is disposed on one
of the side surfaces along the X direction.
[0019]
In the female connectors 50A and 50B, the female connector 50A is disposed on the side
opposite to the side where the male connector 40A is located, and the female connector 50B is
disposed on the side opposite to the side where the male connector 40B is located. There is. The
opening of each insertion port 52 of each female connector is directed to the opposite side of the
spacers 30U and 30L. The terminal 51A of each female connector is connected to the electrode
20U by a wire (not shown), the terminal 51B is connected to the vibrating body 10, and the
terminal 51C is connected to the electrode 20L.
[0020]
(Configuration of Speaker System S) Next, a speaker system S obtained by connecting the
electrostatic speaker units 1 will be described. In the speaker system S, as shown in FIG. 3, the
male connector 40A, 40B is inserted into the insertion port 52 of the female connector 50A, 50B,
and the electrostatic speaker unit having the same configuration as the electrostatic speaker unit
1 described above It is what connected 1A-1D. When connecting the electrostatic speaker units
1A to 1D as shown in FIG. 3, the end of the male connector 40A of the electrostatic speaker unit
1D is the insertion port 52 of the female connector 50A of the adjacent electrostatic speaker unit
1C. The end of the male connector 40B is inserted into the insertion opening 52 of the female
connector 50B of the adjacent electrostatic speaker unit 1B. Further, the male connector 40A of
the electrostatic speaker unit 1B is inserted into the insertion opening 52 of the female connector
50A of the electrostatic speaker unit 1A, and the electrostatic connection is inserted into the
insertion opening 52 of the female connector 50B of the electrostatic speaker unit 1A. The male
connector 40B of the speaker unit 1C is inserted.
[0021]
When the male connector 40A is inserted into the insertion opening 52 of the female connector
50A, the terminal 51A and the terminal 41A contact with each other in the insertion opening 52,
and the electrode 20U of the electrostatic speaker unit 1A (1C) and the electrostatic speaker unit
1B The electrode 20U of (1D) is electrically connected. In the insertion port 52, the terminal 51B
04-05-2019
6
and the terminal 41B are in contact with each other, and the vibrator 10 of the electrostatic
speaker unit 1A (1C) and the vibrator 10 of the electrostatic speaker unit 1B (1D) are electrically
connected. The terminal 51C contacts the terminal 41C, and the electrode 20L of the
electrostatic speaker unit 1A (1C) and the electrode 20L of the electrostatic speaker unit 1B (1D)
are electrically connected.
[0022]
When the male connector 40B is inserted into the insertion opening 52 of the female connector
50B, the terminals 51A and 41A contact with each other in the insertion opening 52, and the
electrode 20U of the electrostatic speaker unit 1A (1B) and the electrostatic speaker The
electrode 20U of the unit 1C (1D) is electrically connected. Further, in the insertion port 52, the
terminal 51B and the terminal 41B are in contact, and the vibrator 10 of the electrostatic speaker
unit 1A (1B) and the vibrator 10 of the electrostatic speaker unit 1C (1D) are electrically
connected, The terminal 51C contacts the terminal 41C, and the electrode 20L of the
electrostatic speaker unit 1A (1C) and the electrode 20L of the electrostatic speaker unit 1B (1D)
are electrically connected.
[0023]
As described above, in the present embodiment, the connection between the electrostatic speaker
units 1 is a simple operation of inserting the male connectors 40A and 40B into the insertion
openings 52 of the female connectors 50A and 50B. The speaker unit 1 can be easily connected.
Further, in the present embodiment, the male connectors 40A and 40B are inserted into the
insertion ports 52 of the female connectors 50A and 50B without performing the troublesome
work of wiring from the transformer 110 to the individual electrostatic speaker units. It is
possible to electrically connect a plurality of electrostatic loudspeaker units and to supply the
same signal to each of the electrostatic loudspeaker units only by a simple operation.
[0024]
(Electrical Configuration of Speaker System S) Next, the electrical configuration of the speaker
system S will be described with reference to FIG. FIG. 4 is a diagram showing an electrical
configuration of the speaker system S connected as shown in FIG. The transformer 110 shown in
FIG. 4 boosts the signal input to the primary side and outputs it to the secondary side, and the
04-05-2019
7
input side 100 to which an acoustic signal is input from the outside is connected to the primary
side. The secondary side is connected to the terminal 41A and the terminal 41C of the male
connector 40A of the electrostatic speaker unit 1A. Further, the bias power supply 120 for
applying a DC bias to the vibrator 10 is connected to the terminal 41B of the male connector 40A
of the electrostatic speaker unit 1A on the plus side, and connected to the middle point on the
secondary side of the transformer 110 on the minus side. . In this configuration, when an
acoustic signal is input to the input unit 100, the input acoustic signal is boosted by the
transformer 110 and applied to the electrodes 20U and 20L of the electrostatic speaker unit 1A.
[0025]
As shown in FIG. 4, the electrodes 20U of the electrostatic speaker units are connected to each
other via the terminal 51A and the terminal 41A. The vibrators 10 of the electrostatic speaker
units are also connected to one another via the terminals 51B and 41B, and the electrodes 20L of
the electrostatic speaker units are also connected to one another via the terminals 51C and 41C.
Therefore, the voltage applied from the transformer 110 to the electrode 20U of the electrostatic
speaker unit 1A is also applied to the electrodes 20U of the electrostatic speaker units 1B to 1D
and is applied to the electrode 20L of the electrostatic speaker unit 1A. The voltage thus applied
is also applied to the electrodes 20L of the electrostatic speaker units 1B to 1D. Further, the
voltage applied from the bias power supply 120 to the vibrator 10 of the electrostatic speaker
unit 1A is also applied to the vibrator 10 of the electrostatic speaker units 1B to 1D.
[0026]
(Operation of Speaker System S) Next, the operation of the speaker system S will be described.
When an acoustic signal input to the input unit 100 is supplied to the transformer 110, and a
voltage difference is generated between the electrode 20U and the electrode 20L of each
electrostatic speaker unit by the voltage applied from the transformer 110, each electrostatic In
the speaker unit, an electrostatic force that pulls the vibrating body 10 in the direction of the
electrode 20U or in the direction of the electrode 20L acts on the vibrating body 10.
[0027]
For example, when an acoustic signal is input to the input unit 100 and a positive voltage is
applied to each electrode 20U and a negative voltage is applied to each electrode 20L, a positive
voltage is applied to each vibrating body 10 by the bias power supply 120. Since the voltage is
applied, the portion between the electrode 20U and the electrode 20L in the vibrator 10 repels
04-05-2019
8
the electrode 20U to which the positive voltage is applied, and attracts the electrode 20L to
which the negative voltage is applied. It is displaced to the electrode 20L side.
[0028]
Next, when an acoustic signal is input to the input unit 100 and a negative voltage is applied to
each electrode 20U and a positive voltage is applied to each electrode 20L, each vibrator 10 is an
electrode to which a positive voltage is applied. While repelling with 20 L, it is attracted to the
electrode 20 U to which a negative voltage is applied, and is displaced toward the electrode 20 U.
[0029]
In this way, each vibrating body 10 is displaced according to the acoustic signal (deflection), and
the displacement direction is sequentially changed to become a vibration, and a sound
corresponding to the vibrating state (frequency, amplitude, phase) is each vibrating body It
originates from 10.
The generated sound is emitted to the outside of each electrostatic speaker unit 1 through at
least one of each electrode 20U or each electrode 20L.
[0030]
In the present embodiment, the electrostatic speaker unit 1 is connected by the connector and
can be easily released. Therefore, when not in use, the electrostatic speaker unit 1 can be
disassembled and easily carried.
[0031]
[Modifications] Although the embodiment of the present invention has been described above, the
present invention is not limited to the above-described embodiment, and can be practiced in
various other forms.
For example, the above-described embodiment may be modified as follows to implement the
present invention.
04-05-2019
9
[0032]
In FIG. 3, four electrostatic speaker units are connected to one another, but the number of
electrostatic speaker units to be connected is not limited to four, and may be three or less or five
or more. It is also good.
The size of the speaker system S can be freely set by connecting as many electrostatic speaker
units as desired. In addition, although the speaker system S is square in FIG. 3, when connecting
a plurality of electrostatic speaker units 1, the shape of the speaker system S viewed from above
may be rectangular. Also, it may be pyramidal. In addition, the electrostatic speaker unit 1 may
be optionally connected, and the shape of the speaker system S may be a shape other than these
shapes, a shape of characters, or the like.
[0033]
In the embodiment described above, the sizes of the electrostatic speaker units constituting the
speaker system S are the same, but the sizes of the electrostatic speaker units are not the same,
and there are a plurality of types of sizes. May be Further, the shape when the electrostatic
speaker unit 1 is viewed from above is rectangular in the above embodiment, but it may be
polygonal instead of rectangular.
[0034]
In the embodiment described above, flexible male connectors 40A and 40B are inserted into
female connectors 50A and 50B, but male connectors 40A and 40B have rigidity and female
connectors 50A and 50B. A male connector drop prevention mechanism may be provided. In the
embodiment described above, the female connectors 50A, 50B are located on the side surfaces of
the spacers 30U, 30L, but the female connectors 50A, 50B may be embedded inside the spacers
30U, 30L.
[0035]
04-05-2019
10
In the female connector according to the present invention, a switch is provided to switch
between conduction / non-conduction between the terminal 51A and the electrode 20U, between
the terminal 51B and the vibrating body 10, and between the terminal 51C and the electrode
20L. It is also good. According to this configuration, in the case of the speaker system S shown in
FIG. 3, the electrostatic speaker unit 1A and the electrostatic speaker unit 1B are electrically
disconnected, and the electrostatic speaker unit 1C and the electrostatic It is also possible not to
electrically connect with the speaker unit 1D. Then, if different acoustic signals are supplied to
the male connector 40B of the electrostatic speaker unit 1A and the male connector 40B of the
electrostatic speaker unit 1B, the sound emitted from the electrostatic speaker units 1A and 1C, It
is possible to make the sounds radiated from the electro-type speaker units 1B and 1D different
from each other. Further, in the embodiment described above, the electrostatic speaker units are
arranged in two rows and two columns in the speaker system S, but three or more electrostatic
speaker units may be arranged. In this case, as described above, the switch of the connector is
operated to make electrical connection only in the same row, and the electrostatic speaker unit in
one row is a low-pass acoustic signal, the electrostatic type in one row A middle range acoustic
signal may be supplied to the speaker unit, and a high range acoustic signal may be supplied to
the electrostatic speaker unit in a certain row, so that the band of sound to be reproduced may
be different for each row. In the present invention, not only in the female connector but also in
the male connector, conduction / non-conduction between the terminal 41A and the electrode
20U, between the terminal 41B and the vibrating body 10, and between the terminal 41C and
the electrode 20L. A switch for switching may be provided.
[0036]
In the present invention, in order to maintain the connection of the electrostatic speaker unit in
the speaker system S, the male joint 60 and the female joint 70 (connection means) shown in FIG.
5 are attached to the side of the electrostatic speaker unit. It is also good. The male joint 60
includes a cylindrical portion 61 formed of a synthetic resin, and a support portion 62 provided
on the circumferential surface of the cylindrical portion and supporting the cylindrical portion
61. On the other hand, the female joint 70 includes a connecting portion 71 having a shape
obtained by cutting a part of a ring formed of a synthetic resin with a certain width, and a
support portion 72 provided on the circumferential surface of the connecting portion 71 to
support the connecting portion 71. It consists of The connecting portion 71 is made of synthetic
resin and is elastic. When the cylindrical portion 61 is pushed into the notch of the connecting
portion 71, the cylindrical portion 61 is positioned inside the connecting portion 71. In addition,
it is also possible to slide the connecting portion 71 on the surface of the cylindrical portion 61
and rotate the connecting portion 71 about the cylindrical portion 61. Further, the connecting
portion 71 has elasticity and is pressed. Since the clamp 61 is tightened and fixed to the
04-05-2019
11
cylindrical portion 61, the connecting portion 71 can be fixed while being rotated arbitrarily.
[0037]
As described above, in the configuration in which the female connectors 50A and 50B are
embedded in the spacers 30U and 30L and do not protrude from the spacers 30U and 30L, the
male joints 60 are disposed on both sides of the female connector 50A and on both sides of the
female connector 50B. The joints 70 may be disposed on both sides of the male connector 40A
and on both sides of the male connector 40B. As described above, when the male joint 60 and the
female joint 70 are disposed on the side surface of the electrostatic speaker unit, the male
connectors 40A and 40B connected to the female connectors 50A and 50B are flexible and bend,
It is also possible to form a three-dimensional speaker system S by connecting the electrostatic
speaker units with each other at an angle as shown in FIG. 6 by the male joint 60 and the female
joint 70. In addition, the joint which connects electrostatic type ¦ mold speaker units is not
limited to the shape shown in FIG. 5, Another shape may be sufficient if it is a shape which can
maintain connection.
[0038]
Further, in the electrostatic speaker units 1A to 1D, the male joints 60 are disposed on both sides
of the female connector 50A and on both sides of the female connector 50B, and the female
joints 70 are disposed on both sides of the male connector 40A and both sides of the male
connector 40B. It may be arranged in As described above, when the male joint 60 and the female
joint 70 are disposed on the side surface of the electrostatic speaker unit, in the speaker system
S, the male connector 40A and the female connector 50A are connected to each other, and the
male connector 40A and the female connector 50A. Thus, a mechanical connection is realized by
connecting the female joints 70 on both sides of the male connector 40A and the male joints 60
on both sides of the female connector 50A. Further, while the male connector 40B and the
female connector 50B are connected to achieve electrical connection between the male
connector 40B and the female connector 50B, the female joint 70 on both sides of the male
connector 40B and the female connector 50B are provided. The male joint 60 on both sides is
connected to achieve mechanical connection. Here, the male connectors 40A and 40B are longer
than the female connectors 50A and 50B, and when the male connector and the female
connector are connected, the male connectors 40A and 40B are exposed and deformed from the
female connectors 50A and 50B. If male connector 60 and female joint 70 connect electrostatic
speaker units at an angle in the same manner as in FIG. 6, male connectors 40A and 40B will
bend due to flexibility, and a three-dimensional speaker The system S can also be configured.
04-05-2019
12
[0039]
In the present invention, when it is not desired to electrically connect adjacent electrostatic
speaker units, since the male connectors 40A and 40B have flexibility, the male connectors 40A
and 40B are bent. You may make it not insert in the insertion port 52 of adjacent female
connector 50A, 50B.
[0040]
In the embodiment described above, the electrostatic speaker unit 1 has two male connectors
and two female connectors, but has a male connector 40A and a female connector 50A, and has a
male connector 40B and a female connector 50B. There may be no configuration.
Further, the configuration may be such that the male connector 40A and the female connector
50B are provided, and the male connector 40B and the female connector 50A are not provided.
Further, the configuration may be such that the male connector 40B and the female connector
50A are provided, and the male connector 40A and the female connector 50B are not provided.
Further, the speaker system S is configured by connecting one having only the male connector
40A and the female connector 50A, one having only the male connector 40A and the female
connector 50B, and one having only the male connector 40B and the female connector 50A. May
be configured.
[0041]
FIG. 1 is an external view of an electrostatic speaker unit 1 according to an embodiment of the
present invention. FIG. 2 is a cross-sectional view of the electrostatic speaker unit 1; It is a top
view of speaker system S concerning one embodiment of the present invention. FIG. 2 is a
diagram showing an electrical configuration of a speaker system S. It is an external view of the
male joint 60 and the female joint 70 which concern on the modification of this invention. It is a
side view when the electrostatic-type speaker unit which has the male joint 60 and the female
joint 70 is connected.
Explanation of sign
04-05-2019
13
[0042]
1, 1A to 1D: electrostatic speaker unit, 10: vibrator, 20U, 20L: electrode, 30U, 30L: spacer, 40A,
40B: male connector, 41A to 41C. · · Terminals 50A, 50B · · · Female connectors, 51A to 51C · · ·
Terminals 60 · · · Male joints, 70 · · · Female joints, 100 · · · Input portion, 110 · · · Transformer,
120 ... Bias power supply
04-05-2019
14
1/--страниц
Пожаловаться на содержимое документа