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JP2005159913

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DESCRIPTION JP2005159913
PROBLEM TO BE SOLVED: When traffic information read by a CD player 59 or the like is
reproduced by a door speaker 15 to 18 by a passenger other than a driver, congestion
information is transmitted by radio broadcast without interrupting the reproduction of the above
music. Get to hear the navigation guidance of the navigation system. A headrest 31 of a driver's
seat is provided with a pair of left and right speakers 33 and 34, and audio signals from a radio
tuner 57, a car navigation device 88, a portable telephone 89 and the like selected by a selector
87 by changeover switches 77 and 78. Are processed by the decoder 90 and reproduced by the
speakers 33 and 34. [Selected figure] Figure 4
Audio equipment for vehicles
[0001]
The present invention relates to an audio apparatus for a vehicle, and more particularly to an
audio apparatus for a vehicle in which a vehicle interior speaker is attached at a predetermined
position in a vehicle interior and audio output of the audio apparatus is performed by the vehicle
interior speaker.
[0002]
BACKGROUND ART In order to enjoy music and the like while the driver is driving a car, the car
is provided with an audio device.
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The audio apparatus is provided with a radio tuner, a tape player, a CD player, etc., thereby
obtaining an audio signal as a source (sound source), processing this audio signal, and outputting
it by a speaker. For example, a speaker is built in the inside of the door of the car, and the
speaker can reproduce the sound.
[0003]
Also, when a car navigation system is installed in a car, this car navigation system outputs the
sound of navigation guidance using the ATT signal. Here, the audio output unit of the navigation
device is also used as the audio output unit of the above-described audio device for a vehicle, and
when outputting the audio of the navigation guidance of the car navigation device, the audio
output of the audio device for a vehicle, That is, signals such as music are attenuated or muted,
and navigation guidance sound is superimposed or inserted there.
[0004]
Although such navigation guidance sound is useful to the driver, it is practically useless to the
passenger, and furthermore, it is uncomfortable because the music output reproduced by the CD
player is interrupted. . Even when the driver listens to traffic information such as traffic
congestion information on the road with a radio receiver, the output section of this radio receiver
is also used as a speaker of the audio device, so the music being heard by the passenger is
interrupted Then, the audio source is switched from the CD player to the radio tuner to obtain
the above congestion information. Therefore, in this case as well, the music not only is
interrupted for the passenger but also it is necessary to hear traffic information that is not
necessary, which likewise makes the user feel uncomfortable.
[0005]
In addition, in the case of a late-night drive or the like, even if the driver tries to enjoy music
when the user sleeps, the volume can not be increased to an appropriate volume. Further,
according to the configuration in which the car audio apparatus is connected to the portable
telephone or the automobile telephone, the voice from the other party is reproduced by the
speaker of the audio apparatus at the time of receiving the telephone. Therefore, in this case as
well, not only the music being reproduced is interrupted, but also the passenger can hear the
contents of the telephone. Therefore, in the case of connecting the mobile telephone or the
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automobile telephone to the audio apparatus, the audio speaker can reproduce the received
contents only when one person can operate while reproducing.
[0006]
Japanese Patent Application Laid-Open No. 2-305157 has a receiver detection means for
detecting the presence or absence of a receiver of an automobile telephone, and a receiver table
having a transmitter of the receiver, a transmitter speaker corresponding to the receiver, and a
transmitter microphone. And seating detection means for detecting the presence or absence of a
seated person, and provided slidably in the front and rear direction on the left and right of the
headrest at the upper end of the seat back, corresponding to the presence or absence of the
seated person and the presence or absence of a handset to the handset stand, A pair of side
headrests pivoted to the evacuation position, the riding position, and the call position, a pillow
speaker built in the side headrest and from which sound from the car component and sound from
the receiving microphone is selected and output In communication with the transmitter speaker,
and is swingably provided on the side of one side headrest, and is seated by the detection of the
receiver by the receiver detection means. Call microphones that are swung from the storage
position that does not interfere with the driver's operation and getting on and off, to the talk
position where they can talk, a headrest motor that swings the side headrest, and a call
microphone that swings the call microphone A receiver comprising: a motor; and a central
processing unit that processes input information according to a predetermined program to
control a headrest motor, a call microphone motor drive, and switching of an output sound from
a pillow speaker. By placing the handset on the stand, the output voice from the pillow speaker is
switched to the voice of the car phone, and the side headrest and the call microphone are
respectively rocked at the call position so that the call environment is set. An automotive
telephone controller is disclosed.
[0007]
The above configuration can not solve the problem that the passenger can not enjoy the music
because the reproduction of the voice by the audio device for the vehicle is interrupted while the
mobile phone is in use.
Further, since this device is not linked with a car navigation device, no solution is provided for
the harmonization of the audio output of the navigation guidance of the car navigation device
and the audio output of the audio device. JP-A-2-305157 JP-A-2000-5385 JP Patent Publication
No. 11-501479 JP Patent No. 2554224
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[0008]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicular
audio apparatus which enables a driver and / or a passenger of a passenger seat to obtain
information by another voice while the vehicular audio apparatus is operating.
[0009]
Another object of the present invention is to provide a vehicle audio device which allows a driver
to receive traffic information such as traffic congestion information by a radio receiver without
interrupting reproduction of music by the vehicle audio device. is there.
[0010]
Still another object of the present invention is to provide a vehicular audio apparatus which
enables a driver to hear the sound of navigation guidance of a car navigation apparatus even
when the passenger is listening to the vehicular audio apparatus. It is.
[0011]
Still another object of the present invention is to provide a vehicle audio device that allows a
driver to receive voice by a portable telephone without interrupting the reproduction of music by
the vehicle audio device.
[0012]
Yet another object of the present invention is to provide an audio apparatus for a vehicle that
allows a driver to listen to music without disturbing sleep when the passenger is sleeping.
[0013]
The above-described problems and other problems of the present invention will be made clear by
the subject matter of the present invention and embodiments thereof described below.
[0014]
The main inventions of the present application are for a passenger compartment speaker
mounted at a predetermined position in a passenger compartment and constituting an output
part of a vehicle audio apparatus, and for personal use mounted on a headrest or seat back of a
driver's seat and / or a passenger seat. A speaker; and switching means for switching a source of
an audio signal supplied to the cabin speaker and the personal speaker; and an audio signal
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different from the audio signal reproduced by the cabin speaker The present invention relates to
a vehicle audio apparatus characterized in that the personal speaker can be reproduced.
[0015]
Here, it is preferable that the cabin speaker be attached to the inside of the door.
Preferably, the personal speakers are mounted in pairs on both sides of the headrest of the
driver's seat and / or the passenger's seat.
Preferably, the audio signal reproduced only by the personal speaker is any of a reception signal
of a radio tuner, an audio signal of guidance of a car navigation apparatus, and an audio signal
received by a mobile phone.
Further, it is preferable that an operation means is provided, and when the operation means is
operated, the personal speaker reproduces an audio signal different from the passenger
compartment speaker.
Further, it is preferable that an automatic discrimination means be provided, and when judged by
the automatic discrimination means, the personal speaker reproduces an audio signal different
from the passenger compartment speaker.
Preferably, when the automatic discrimination means detects an incoming call of a mobile phone
or a car phone, the personal speaker reproduces an audio signal received by the mobile phone.
[0016]
In a preferred embodiment of the present invention, in a vehicle such as an automobile, for
example, in the case where a driver-integrated headrest integrated type or a seat integrated type
speaker (speaker A) attached to a driver's seat is provided, the source of the audio signal is
switched. In this system, for example, the sound of navigation guidance is required for the driver
only, so the sound of navigation flows from the speaker A to the door of the vehicle. Do not let it
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flow from the attached door speaker etc. (speaker B).
Similarly, when listening to traffic information necessary for the driver, the voice of the mobile
phone when operating with hands-free operation, and another voice source with the passenger,
etc., the switching of the source of the speaker B is completely independent of the speaker A To
enable switching of the
This makes it possible to improve the situation in which the user has to listen to the same music
source compulsorily, to achieve both safety and comfort in the car, and to realize significant
improvements in safety and comfort. .
[0017]
The main inventions of the present application are for a passenger compartment speaker
mounted at a predetermined position in a passenger compartment and constituting an output
part of a vehicle audio apparatus, and for personal use mounted on a driver's seat and / or a
passenger's headrest or seat back A speaker, and switching means for switching the source of an
audio signal supplied to a cabin speaker and a personal speaker, the audio signal different from
the audio signal reproduced by the cabin speaker being a personal speaker Are made to be
playable.
[0018]
Therefore, according to such an audio device for a vehicle, it becomes possible to separate the
audio signal reproduced by the speaker for the cabin and the audio signal reproduced by the
speaker for personal use from each other, which the driver or the like needs. The passenger is in
the passenger compartment while playing back an audio signal from a radio tuner related to
traffic information, an audio signal of navigation guidance of a car navigation device, or an audio
signal of a mobile phone by a driver's and / or a passenger's personal speaker. The music played
by the speaker can be heard without interruption.
[0019]
FIG. 1 shows the arrangement of speakers in the interior of a vehicle equipped with an audio
device for a vehicle according to the present embodiment.
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That is, the vehicle is provided with front left and right doors 11, 12 and rear left and right doors
13, 14, and speakers 15 to 18 are respectively incorporated in these doors 11 to 14.
The front left speaker 15, the right front speaker 16, the left rear speaker 17 and the right rear
speaker 18 constitute a cabin speaker, and such an audio apparatus provided with such cabin
speakers 15 to 18 is this automobile Provided in the passenger compartment of the
[0020]
A driver's seat 21, a passenger's seat 22, and a rear seat 23 are disposed inside the cabin of the
vehicle. These seat seats 21-23 are provided with the seat backs 25, 26 and 27 which comprise a
backrest, respectively.
[0021]
The headrest 31 of the driver's seat is attached to the upper end portion of the seatback 25 of
the driver's seat 21, and the headrest 32 is attached to the seatback 26 of the passenger's seat
22. A pair of left and right speakers 33 and 34 are built in on both sides of the headrest 31 of the
driver's seat, and a pair of left and right speakers 35 and 36 on the assistant driver's seat side are
assembled in the headrest 32 of the front passenger seat. These speakers 33 to 36 constitute
personal speakers.
[0022]
Taking the headrest 31 of the driver's seat as an example, the attachment of the speakers 33, 34
will be described. As shown in FIGS. 2 and 3, the headrest 31 has a core 40 made of a synthetic
resin molded body. A pair of support rods 41 extended downward are fixed. The support rod 41
is inserted into a rod insertion hole opened at the upper end of the seatback 25 so that the
headrest 31 is attached to the upper end of the seatback 25. A cushion 42 made of elastic
material is disposed to surround the outside of the core 40, and the cushion 42 is surrounded by
an outer shell 43 made of leather or cloth.
[0023]
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A mounting plate 46 is attached to the back side of the core 40, as shown in FIG. 3, and a back
plate 48 is further attached via a rod 47. A pressing plate 49 is screwed to the back side of the
back plate 48 by screws 50. It is supposed to be fixed.
[0024]
The mounting plate 46 is extended to the left and right of the core 40, and brackets 53 are fixed
to the left and right of the mounting plate 46 respectively, and the brackets 53 are bent and
connected to the cabinets of the left and right speakers 33 and 34 The attached mounting
portion 54 is to be fixed.
[0025]
Next, a system configuration of such an audio apparatus for a vehicle will be described with
reference to FIG.
A radio tuner 57, a tape player 58, a CD player 59, and a DVD player 60 are provided as audio
sources of the vehicle audio apparatus.
These audio sources 57 to 60 are connected to the selector 61, and the selector 61 is further
directly connected to the decoder / D / A converter (hereinafter referred to as a decoder) 63 via
the A / D converter 62. ing.
[0026]
The output end of the decoder 63 is connected to the amplifiers 71 to 74 via the open / close
switches 67 to 70, and the amplifiers 71 to 74 are further connected to the vehicle interior
speakers 15 to 18. The output terminals of the decoder 63 are connected to the amplifiers 81 to
84 via the changeover switches 77 to 80, respectively. The output ends of these amplifiers 81 to
84 are connected to the personal speakers 33 to 36, respectively.
[0027]
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Furthermore, this audio device is equipped with another selector 87. The selector 87 is
connected to the car navigation device 88 for supplying audio signals to the personal speakers
33 to 36, the mobile telephone 89, and the radio tuner 57. The connection between the selector
87 and the mobile phone 89 is made using the earphone jack of the mobile phone 89. A decoder
/ D / A converter (hereinafter referred to as a decoder) 90 is connected to the subsequent stage
of the selector 87.
[0028]
The output end of the decoder 90 is connected to the other contact point of the four changeover
switches 77-80. A controller 93 for controlling the opening and closing of the open / close
switches 67 to 70 and the changeover switches 77 to 80 is provided. The controller 93 is
connected to the selector 87 via a control line. The operation button 94 is further connected to
the controller 93.
[0029]
In the above configuration, when driving while enjoying a music signal by the vehicle audio
device, the controller 93 closes all the open / close switches 67 to 70 by operating the operation
button 94. The controller 93 switches all four changeover switches 77 to 80 to the output end of
the decoder 63. Then, the door speakers 15 to 18 send the reproduction signal of the audio
source selected by the selector 61, that is, the tape player 58, the CD player 59, or the DVD
player 60 directly to the decoder 63 via the A / D converter 62. Forward. Therefore, the decoder
63 processes the digital signal and outputs it in analog. The analog output is supplied to the
speakers 15 to 18 through the amplifiers 71 to 74, and is further output to the speakers 33 to
35 by the amplifiers 81 to 84.
[0030]
Therefore, in this case, the audio signals from the audio source selected by the four speakers 15
to 18 provided in the four doors 11 to 14 are output, and the headrest 31 of the driver's seat 21
and the passenger's seat 22 Audio output is performed by the speakers 33, 34 and 35, 36
respectively provided at 32.
[0031]
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On the other hand, when only the driver wants to obtain road information such as traffic
congestion information by radio broadcasting, the operation button 94 is switched and the
controller 93 switches the changeover switches 77 and 78 to the decoder 90 as shown in FIG. At
the same time, the selector 87 inputs the signal from the radio tuner 57 to the decoder 90.
Then, the radio broadcast received by the radio tuner 57 can be reproduced by the speakers 33
and 34 via the changeover switches 77 and 78 and the amplifiers 81 and 82. That is, the driver
can obtain traffic jam information while listening to radio broadcasting through the left and right
speakers 33, 34 provided on the headrest 31. The control operation of the CPU of the controller
93 at this time is shown in FIG.
[0032]
At this time, since the other cabin speakers 15 to 18 and the speakers 35 and 36 for the front
passenger seat are all connected to the output end of the decoder 63, both the speakers 15 to 18
and the speakers 35 and 36 are The output from the audio source selected by the selector 61 is
reproduced. Thus, passengers sitting in the front passenger seat and the back seat can enjoy
music without interruption.
[0033]
Even when the driver hears the voice output of the car navigation system 88, ie, the navigation
guidance, only the driver operates the operation button 94 and switches the changeover switches
77 and 78 by the controller 93 as shown in FIG. Can hear the sound of the navigation guidance
by the speakers 33, 34 provided on the headrest 31 thereof. Here, when the operation of the
controller 93 is changed, it is possible to hear the sound of the navigation guidance also by the
speakers 35 and 36 provided in the headrest 32 of the front passenger seat. Therefore, in
conjunction with the switching of the controller 93, the driver or the driver and the passenger in
the front passenger seat can hear the sound of the navigation guidance, and the passenger in the
rear seat interrupts the music as before. It becomes possible to enjoy without.
[0034]
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Next, when the cellular phone 89 connected to the selector 87 arrives, the controller 93 detects
that via the selector 87. Then, as shown in FIG. 6, the controller 93 switches the selector 87 to
interlock with the detection of the incoming call of the mobile telephone, and supplies the audio
signal of the mobile telephone 89 to the decoder 90. At the same time, the changeover switches
77 and 78 are switched by the controller 93 as shown in FIG. Therefore, the voice signal received
by the portable telephone 89 can be heard by the speakers 33 and 34, and a call can be made in
a hands-free state.
[0035]
Then, when the driver wants to drive while enjoying the music while the driver is driving at
midnight, when the driver sleeps, the controller 93 by the operation of the operation button 94,
the speaker 33 of the headrest 31 of the driver's seat, By switching the changeover switches 77
and 78 connected to 34 to the decoder 63 side and turning both the open / close switches 67 to
70 and the changeover switches 79 and 80 into the OFF state, music can be output only by the
speakers 33 and 34 at the driver's seat. You can drive while listening to the music while listening
and without disturbing the sleeping occupants.
[0036]
As described above, in the vehicle audio apparatus of the present embodiment, in the vehicle
such as a car, speakers 33 and 34 and / or 35 and 36 dedicated to the driver's seat and / or the
passenger seat are provided in the driver's seat and / or the passenger seat. In addition to the
selection of the music source of the speakers 15 to 18 for all the passengers attached to the car
doors 11 to 14, the selection of the music source of the speakers 33 to 36 becomes possible
independently. Such a circuit system is constructed as shown in FIG. 4, for example, and the
controller 93 performs an arbitrary setting by the controller 93 when the selection is made
according to the passenger's intention and when the switching is automatically performed. It is
what makes it possible.
[0037]
Specifically, when the compact disc is read by the CD player 59 and the signal is processed and
reproduced by the door speakers 15 to 18, the driver wants to listen to radio information such as
traffic information with intention. The above-described door speakers 15 to 18 are reproduced
by the speakers 33 and 34 independently of each other.
Further, when the mobile phone 89 is received, the voice of the mobile phone is automatically
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sent to the driver's speakers 33 and 34.
[0038]
The hardware configuration includes selectors 61 and 87, and one selector 61 performs input
switching of the door speakers 15 to 18 for all the passengers.
On the other hand, another selector 87 switches the inputs of the speakers 33, 34 and / or 35,
36 of the driver and / or the passenger of the passenger seat. Here, as an input source, a driverspecific source is added to the driver side if both are equal. Also, switching of the sources of the
driver's speakers 33 and 34 is performed by the controller 93 having the operation button 94
and as shown in FIG. 5 or 6 preset by the CPU incorporated in the controller 93. Control of
automatic switching by a program.
[0039]
Although the above example is described only in the case of a driver in a vehicle such as a car, it
is possible to incorporate this system into other specific passengers or all passengers.
[0040]
Although the present invention has been described above by the illustrated embodiment, the
present invention is not limited to the above embodiment, and various modifications can be made
within the scope of the technical concept of the invention included in the present application.
For example, in the above embodiment, the cabin speakers 15 to 18 are attached to the inside of
the doors 11 to 14, but instead of incorporating the cabin speakers 15 to 18 in the doors 11 to
14, It may be provided at another position of. Also, the speakers 33, 34 and 35, 36 for the driver
and the passenger on the front passenger seat do not necessarily have to be attached to the
headrests 31, 32, but instead are the upper ends of the seatbacks 25, 26 and the driver
Alternatively, it may be mounted to face the shoulder portion of the passenger on the front
passenger seat or the upper side thereof.
[0041]
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The present invention is widely applicable to audio devices for vehicles.
[0042]
It is a top view of the compartment of the motor vehicle which shows arrangement | positioning
of a speaker.
It is a principal part perspective view of a headrest showing installation of a speaker. It is a
principal part longitudinal cross-sectional view of the headrest. It is a block diagram showing a
system configuration. It is a flowchart which shows the control action accompanying switching of
an operation button. It is a flowchart which shows the automatic switching operation | movement
accompanying the incoming call of a mobile telephone.
Explanation of sign
[0043]
11. Door (left front), 12. Door (right front), 13. Door (left rear), 14. Door (right rear), 15. Speaker
(left front), 16. Speaker (right front), 17. Speaker (left rear), 18. Speaker (right rear) 21, seat
(driver's seat) 22, seat (passenger seat), 23. seat (rear), 25. .. Seatback (driver's seat), 26 ..
Seatback (passenger seat), 27 .. Seatback (rear side), 31 .. Headrest (driver's seat), 32 .. Headrest
(passenger seat), 33 .. Speaker (Driver's seat left), 34 .. speaker (driver's seat right), 35 .. speaker
(left passenger's seat), 36 .. speaker (right passenger's seat), 40 .. core, 41 .. support rod, 42 ..
Cushion, 43 .. Shell, 46 .. Mounting plate, 47 .. Rod, 4 ... Backplate, 49. .. Presser plate, 50 .. Screw,
53 .. Bracket, 54 .. Mounting part, 57 .. Radio tuner, 58 .. Tape player, 59 .. CD player, 60 .. DVD
player , 61: selector, 62: A / D converter, 63: decoder, D / A converter, 67 to 70: open / close
switch, 71 to 74 .: amplifier, 77 to 80: changeover switch, 81 -84.-Amplifier-87-Selector-88-Car
navigation system-89-Mobile phone-90-Decoder-D / A converter-93-Controller-94-Operation
button
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