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DESCRIPTION JP2008137538

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DESCRIPTION JP2008137538
[PROBLEMS] To provide a telephone microphone device used in a vehicle in which the sound
quality at the time of a telephone call used in the vehicle does not depend on the seat position of
the occupant. A plurality of microphone devices are provided on a ceiling surface of a cabin, and
directivity of each microphone is configured to be directed to a plurality of seats. [Selected
figure] Figure 1
Telephone microphone device used in the vehicle
[0001]
The present invention relates to a telephone microphone device used in a vehicle.
[0002]
Heretofore, there has been only one microphone for voice recognition used for a telephone
microphone device used in a vehicle.
[0003]
A system in which a mobile phone and a voice recognition microphone are connected to a car
navigation system is disclosed in Patent Document 1 and a system in which a mobile phone and a
directional microphone are connected is introduced in Patent Document 2.
[0004]
However, in these systems, there is only one voice recognition microphone or directional
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microphone, so there is a problem that only a specific occupant who is close to the microphone
can talk on the mobile phone through the microphone.
[0005]
Japanese Patent Laid-Open No. 2000-275056 Japanese Patent Laid-Open No. 2001-86212
[0006]
The present invention integrates multiple microphones in one place, and the directivity of each
microphone is directed to each passenger, so that each passenger can make a phone call with a
mobile phone through the microphone, used in a vehicle An object of the present invention is to
provide a microphone device for a mobile phone.
[0007]
According to the invention of claim 1, the microphone device for a telephone used in a vehicle is
provided with a plurality of seats in the cabin of the vehicle and a plurality of microphones on
the ceiling surface of the cabin. A microphone device is provided, wherein the directivity of each
microphone is directed to a plurality of seats.
[0008]
That is, according to the invention of claim 1, a plurality of seats are provided in the cabin of the
vehicle, and a plurality of microphones are provided on the ceiling surface of the cabin, and the
directivity of each microphone is directed to the plurality of seats Because each passenger can
talk from the seat to the microphone, they can talk with people outside the vehicle.
[0009]
According to the invention of claim 2, there is provided a microphone device in which each
microphone is integrated with a dome lamp on the ceiling surface inside a vehicle.
[0010]
That is, in the invention of claim 2, by incorporating the microphone device into the dome lamp,
it is not necessary to attach a new device to the ceiling surface.
[0011]
According to the third aspect of the present invention, there is provided a microphone device in
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which each microphone is switched so that only the microphone directed to the passenger can be
used when the switcher is turned on.
[0012]
That is, in the invention of claim 3, since each microphone is provided with a switch, only the
occupant who has pressed the switch can make a call on the mobile phone through the
microphone.
[0013]
According to the invention of claim 4, each microphone is further provided with a display means,
and a microphone device is provided in which when the switch is turned on, the display means of
the usable microphone is activated.
[0014]
That is, in the invention of claim 4, when the switch is turned on, the display means of the usable
microphones are activated, so it can be easily determined which microphones can be used.
[0015]
According to the invention described in claim 1, a plurality of seats are provided in a cabin of a
vehicle, and a plurality of microphones are provided on a ceiling surface of the cabin, and
directivity of each microphone is in a plurality of seats Being directed, each passenger can talk to
a person outside the vehicle just by talking from the seat to the microphone.
[0016]
According to the second aspect of the present invention, by incorporating the microphone device
into the dome lamp, there is no need to provide a new device on the ceiling surface, and the
substrate for the dome lamp and the substrate for the microphone are made the same substrate.
Thus, the number of parts can be reduced and the microphone device can be miniaturized.
[0017]
According to the third aspect of the present invention, since each microphone is provided with a
switch, only the occupant who has pressed the switch can talk, and the other party of the
telephone can be notified of an easy-to-hear voice.
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[0018]
According to the invention of claim 4, since each microphone is provided with the display means,
when the switch is turned ON, the display means of the usable microphones operate and it can be
easily judged which microphone can be used. Play an effect.
[0019]
Hereinafter, embodiments of the present invention will be described using the attached drawings.
[0020]
FIG. 1 is a view for explaining a schematic configuration of an embodiment in the case where the
microphone device 1 of the present invention is applied to a passenger car.
In the passenger compartment of the passenger car, two rows of seats 2 are provided, and two
seats 2 are provided both in one row and in two rows, and at least an equal distance from each
seat 2 on the ceiling surface 3 of the cabin. Four microphones 4 are provided, and the directivity
of each microphone 4 is directed to a plurality of seats 2 so that each passenger can talk with a
person outside the vehicle just by talking from the seat to the microphone 4 Can do.
Note that FIG. 1 is merely an example, and when the number of seats in each row is three or
more, the number of microphones 4 may be increased accordingly, and microphones can be
increased or decreased according to the number of seats.
[0021]
FIG. 2 is a perspective view showing another embodiment of the microphone device 100 of the
present invention, and FIG. 3 is a plan view of FIG.
Since each microphone 104 is integrated with the dome lamp 105 on the ceiling surface 3 inside
the passenger vehicle, it is necessary to provide a new device on the ceiling surface 103 by
incorporating the microphone device 100 into the dome lamp 105. Absent.
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[0022]
FIG. 4 is a diagram showing a circuit configuration of the embodiment of the microphone device
100 of the present invention.
Each microphone 104 further includes a switch 106, where the switch 106 includes a
momentary switch 106 and a processing IC 107 as an example.
When the occupant presses a momentary switch 106 at a door or a console, it switches so that
only the microphone 104 directed to the occupant can be used.
Only while the momentary switch 106 is pressed, only the pushing occupant can make a call
through the telephone.
The operation of this embodiment will be described.
First, in the initial state, the microphone 104 at the driver's seat is ready for use.
Next, while the occupant at the other seat presses the momentary switch 106 of the door or
console, a signal flows to the processing IC 107, and the microphone 104 of the occupant
pressing the momentary switch 106 becomes usable.
The audio signal received by the microphone 4 is transmitted by the processing IC 107 to the
ECU 108 of the navigation system.
Then, it is transmitted to the telephone and transmitted to the outside of the vehicle.
[0023]
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FIG. 5 is a perspective view showing another embodiment of the microphone device 200 of the
present invention, and FIG. 6 is a plan view of FIG.
Since the display means 210 is provided, it can be easily determined which microphones can be
used.
[0024]
FIG. 7 is a diagram showing a circuit configuration of the embodiment of the microphone device
200 of the present invention.
The microphone 204 further includes a display unit 210 and a latch circuit 209 in addition to
the configuration of the microphone 104.
Here, the display means 210 is, for example, an indicator 210. When the momentary switch 206
is pressed once, the state is held by the latch circuit 209, and the indicator 210 of the usable
microphone 204 lights up.
That is, the momentary switch 206 is held pressed until the occupant of another seat presses the
momentary switch 206, and it is easily determined which microphone 204 can be used by the
lighting of the indicator 210 such as an LED or LD. Only the passenger's microphone 204 which
has pressed the momentary switch 206 can be used.
The operation of this embodiment will be described.
First, in the initial state, the microphone 204 at the driver's seat is ready for use.
Next, when the occupant at another seat presses the momentary switch 206 of the door or
console once, a signal flows through the latch circuit 209 to the processing IC 207, and the
microphone 204 of the occupant who pressed the momentary switch 206 becomes usable.
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At this time, the signal held by the latch circuit 209 turns on an indicator 210 such as an LED or
LD so that it can be understood which microphone 204 can be used. The audio signal received by
the microphone 204 is transmitted by the processing IC 207 to the ECU 208 of the navigation
system. Then, it is transmitted to the telephone and transmitted to the outside of the vehicle.
[0025]
It is a figure explaining a schematic structure of an embodiment at the time of applying the
present invention to a passenger car. It is a perspective view of the microphone apparatus of
another embodiment of this invention. It is a top view of the microphone apparatus of FIG. It is
the figure which showed the circuit structure of the microphone apparatus of FIG. It is a
perspective view of the microphone apparatus of another embodiment of this invention. It is a
top view of the microphone apparatus of FIG. It is the figure which showed the circuit structure
of the microphone apparatus of FIG.
Explanation of sign
[0026]
Reference Signs List 1 microphone device 2 seat 3 ceiling 4 microphone 5 dome lamp 106
momentary switch 107 processing IC 108 ECU 209 latch circuit 210 indicator
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