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JPH10234099

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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
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DESCRIPTION JPH10234099
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
speaker apparatus for use in a home wireless network system for wirelessly connecting home
appliances such as audio / video equipment, and more particularly to integrally forming an
antenna in the speaker apparatus. The present invention relates to a speaker device with
improved design and productivity.
[0002]
2. Description of the Related Art In recent years, wireless home network systems have been
proposed. This home wireless network system improves the convenience of the user by
wirelessly connecting various home appliances such as audio / video devices conventionally
connected by wire. It is. The speaker device used in such a home wireless network system is
realized, for example, by the configuration as shown in FIG.
[0003]
An example of a speaker device used in a home wireless network system will be described as a
prior art speaker device with reference to FIG. FIG. 2 is a view showing a conventional speaker
device, wherein (a) is a front view thereof and (b) is a side sectional view thereof.
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1
[0004]
The speaker device 1 of the prior art is attached to the frame 4 so that the diaphragm 2 can
vibrate to some extent. The electric vibration converter 3 is disposed on the frame 4 as shown.
The frame 4 is fixed to a housing 9 made of a plate or the like. With such a configuration, a basic
function as a speaker device for producing an audio from an audio signal is achieved.
[0005]
On the other hand, the helical antenna 5 is disposed outside the casing 9, and the output of the
helical antenna 5 is electrically connected to the receiving circuit 7 disposed inside the casing 9
through the feed line 6. ing. The receiving circuit 7 is connected to an amplifier circuit 8, and the
amplifier circuit 8 is electrically connected to the electric vibration converter 3.
[0006]
The conventional speaker device 1 configured as described above operates as follows. That is, a
radio wave signal emitted from an audio device such as a compact disc (CD) player having a
wireless function is received by the helical antenna 5 and converted into a high frequency signal.
The high frequency signal passes through the feed line 6 and is input to the receiving circuit 7.
[0007]
The receiving circuit 7 demodulates the input high frequency signal into an audio signal (low
frequency signal) and amplifies it by the amplifier circuit 8 at the next stage. The sound signal
amplified by the amplifier circuit 8 is converted into mechanical vibration by the electric
vibration converter 3 and drives the diaphragm 2 to produce sound.
[0008]
However, in the speaker device 1 of the related art, for example, since it is necessary to dispose
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2
the helical antenna 5 so as to protrude to the outside of the speaker housing 9, there is a
problem that the appearance is bad and the appearance on the appearance is impaired. In
addition, also in the manufacture of the speaker device, the helical antenna 5 and the frame 4
which are individually manufactured must be individually fixed to the housing 9, and these must
be connected within the housing 9, and the production process And the production efficiency of
the speaker device is reduced.
[0009]
SUMMARY OF THE INVENTION The present invention has been made in view of the above
problems, and the problem is that the appearance of the speaker device used in the home
wireless network system etc. and the structure become complicated. It is an object of the present
invention to provide a speaker device which is improved in production efficiency by eliminating
poor productivity and improving appearance.
[0010]
SUMMARY OF THE INVENTION The following measures have been taken to solve the problems
of the present invention described above.
That is, as a basic configuration of the speaker device according to the first aspect of the present
invention, the housing, the frame fixed to the housing, the electric vibration converting means
disposed on the frame, and the frame capable of rocking A speaker device comprising a
diaphragm held in a state and vibrating the diaphragm by the electric vibration converting means
to produce sound by forming an antenna pattern made of a conductor at a predetermined
position on the diaphragm. I assume.
[0011]
As a specific embodiment of the present invention, in the speaker device according to claim 2, a
feed line is electrically connected to the antenna pattern, and a feed line is electrically connected
to a receiving circuit for demodulating a radio signal received by the antenna pattern. The
receiver circuit is electrically connected to an amplifier circuit for amplifying the demodulated
audio signal, and the amplifier circuit is electrically connected to an electrical vibration
converting means for converting the amplified audio signal into mechanical vibration. It is
desirable to connect.
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[0012]
In the speaker device of the present invention, an antenna pattern of a conductive material is
formed on the diaphragm, and a radio wave signal emitted from an audio device such as a
compact disc (CD) player having a wireless function is received by the antenna pattern. I did it.
As a result, it is not necessary to arrange the antenna outside the housing, and the appearance of
the speaker device can be improved. Further, in the speaker device of the present invention, since
the antenna is integrally formed with the speaker device, the structure of the speaker device
provided with the antenna can be simplified, and the productivity of the speaker device can be
improved.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, specific embodiments of the
present invention will be described with reference to the attached drawings.
[0014]
First, the configuration of the speaker device of the present invention used in a home wireless
network system or the like will be described with reference to FIG.
FIG. 1 is a figure which shows the speaker apparatus of this invention, (a) is the front view, (b) is
the side surface sectional view. In addition, the same referential mark shall be attached |
subjected to the part which is common in the matter described in the prior art.
[0015]
The speaker device 11 of the present invention as shown in FIG. 1 is attached to the frame 4 so
that the diaphragm 2 can be vibrated to some extent. An electric vibration converter 3 composed
of a magnet, an external magnet type magnetic circuit, and an induction coil (all not shown) is
disposed on the frame 4 as shown in the figure. Structure. The frame 4 is fixed to a housing 9
made of a plate material or the like, and with such a structure, a basic function as a speaker
device for producing an audio from an audio signal is achieved.
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[0016]
As a feature of the present invention, an antenna pattern 15 made of a conductor is formed on
the diaphragm 2. The antenna pattern 15 is formed, for example, by a screen printing method in
which a conductive material is applied and dried using a screen on which a desired pattern is
formed. The receiver circuit 7 is fixed to the frame 4, and the antenna pattern 15 is electrically
connected to the receiver circuit 7 via the feeder 6. The receiving circuit 7 is electrically
connected to the amplifier circuit 8, and the amplifier circuit 8 is electrically connected to the
electric vibration converter 3.
[0017]
Next, the operation of the speaker apparatus of the present invention configured as described
above will be described.
[0018]
A radio wave signal emitted from an audio device such as a compact disc (CD) player having a
wireless function as an example is received by the antenna pattern 15 and converted into a high
frequency signal.
The high frequency signal passes through the feed line 6 and is input to the receiving circuit 7.
The reception circuit 7 demodulates the input high frequency signal into an audio signal (low
frequency signal) and amplifies it by the amplifier circuit 8 at the next stage. The sound signal
amplified by the amplifier circuit 8 is converted into mechanical vibration by the electric
vibration converter 3 and drives the diaphragm 2 to produce sound.
[0019]
Thus, according to the speaker device 11 of the present invention, since the antenna pattern 15
is formed on the diaphragm 2, there is no need to arrange an antenna outside the housing 9, and
the appearance of the speaker device is beautiful. There will be no loss of
[0020]
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Further, according to the speaker device of the present invention, it is possible to arrange all the
main constituent members such as the antenna pattern 15, the feeder 6 connected to the
antenna pattern 15, the receiving circuit 7 and the amplifier circuit 8 on the frame 4. Therefore,
also in the manufacturing process of the speaker device, only the frame 4 is fixed to the housing
9, and the complicated manufacturing process can be omitted.
As a result, it is possible to eliminate the appearance of the speaker device used in the home
wireless network system and the like, and to realize a speaker device having excellent
productivity.
[0021]
The speaker device 11 of the present invention is an example of a design, and the overall shape
and arrangement may be other designs. Further, in connection with the antenna pattern 15 and
the receiving circuit 7, it is possible to obtain the same effect as described above by electrically
connecting with the non-contact power feeding means (not shown) instead of the abovementioned feeding line 6. Do not wait for
[0022]
The present invention is not limited to the above embodiment, and various embodiments can be
adopted. Although the speaker device used in the home wireless network system has been
illustrated in the above-described embodiment, the present invention is not limited to this, and in
addition to car audio equipment (car stereo) having a predetermined wireless function and a
cordless telephone, wireless The present invention can also be applied to headphone stereos,
wireless monitor devices (such as liquid crystal televisions and eyeglasses-type monitor devices
and wall-mounted televisions to be developed in the future) and wireless LANs. In addition, as an
embodiment thereof, the antenna formed on the diaphragm can also be applied to a dipole
antenna, a loop antenna, a spiral antenna, a zigzag antenna, and the like. Furthermore,
application to a pole antenna or a helical antenna is also possible by making the antenna pattern
into a three-dimensional configuration, and the present invention is not limited to the type or
configuration of the antenna device. Furthermore, it goes without saying that the present
invention can be developed into various forms without being limited to the above-described
embodiment.
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[0023]
As is apparent from the above description, according to the speaker device of the present
invention, an antenna pattern of a conductor is formed on a diaphragm, and this antenna pattern
is an example of an acoustic device having a wireless function. Since the radio wave signal
emitted is received, the speaker device used for the home wireless network system can be
embodied without losing the appearance appearance. Further, since the speaker device of the
present invention integrally forms the antenna in the speaker device, the manufacturing process
of the speaker device provided with the antenna can be simplified, and the productivity can be
improved.
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