Hands-free device
First Claim
1. A hands-free device for enabling a driver to have a hands-free telephone conversation using a cellular phone in a car, said hands-free device comprising:
- a first speaker operable to output sound to the driver;
a second speaker operable to output sound widely in the car;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone, and operable to judge whether there is a fellow passenger in the car or not based on the detection signal outputted from said detection unit, wherein, when said control unit judges that there is no fellow passenger in the car, upon receiving a telephone conversation voice signal indicating a telephone conversation voice of an other party of the telephone conversation, said control unit is operable to have the telephone conversation voice outputted in a wide range in the car mainly from said second speaker, and restrain the telephone conversation voice to be outputted from said first speaker, and wherein, when said control unit judges that there is a fellow passenger in the car, upon receiving the telephone conversation voice signal indicating the telephone conversation voice of the other party of the telephone conversation, said control unit is operable to have the telephone conversation voice outputted toward the driver mainly from said first speaker, and restrain the telephone conversation voice to be outputted from said second speaker.
1 Assignment
0 Petitions
Accused Products
Abstract
A hands-free device includes a cellular phone of a driver, driver'"'"'s speakers that output sounds to the driver, front speakers and rear speakers that output sounds widely in a car, a detection unit that outputs a detection signal to indicate whether there is a fellow passenger in the car or not, and control equipment that communicates with the cellular phone. In the case that the control equipment receives a telephone communication voice signal indicating telephone conversation voice of another party of the telephone conversation from the cellular phone, based on the detection signal outputted from the detection unit, when the control equipment judges that there is no fellow passenger, the control equipment has the telephone conversation voice outputted mainly from the front speakers and the rear speakers, and when the control equipment judges that there is a fellow passenger, the control equipment has the telephone conversation voice outputted mainly from the driver'"'"'s speakers.
-
Citations
35 Claims
-
1. A hands-free device for enabling a driver to have a hands-free telephone conversation using a cellular phone in a car, said hands-free device comprising:
-
a first speaker operable to output sound to the driver;
a second speaker operable to output sound widely in the car;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone, and operable to judge whether there is a fellow passenger in the car or not based on the detection signal outputted from said detection unit, wherein, when said control unit judges that there is no fellow passenger in the car, upon receiving a telephone conversation voice signal indicating a telephone conversation voice of an other party of the telephone conversation, said control unit is operable to have the telephone conversation voice outputted in a wide range in the car mainly from said second speaker, and restrain the telephone conversation voice to be outputted from said first speaker, and wherein, when said control unit judges that there is a fellow passenger in the car, upon receiving the telephone conversation voice signal indicating the telephone conversation voice of the other party of the telephone conversation, said control unit is operable to have the telephone conversation voice outputted toward the driver mainly from said first speaker, and restrain the telephone conversation voice to be outputted from said second speaker. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. A hands-free device for enabling a driver to have a hands-free telephone conversation using a cellular phone in a car, said hands-free device comprising:
-
a speaker operable to output sound widely in the car;
a display unit operable to display a plurality of letters on a display surface aimed at the driver in response to an inputted signal;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone, and operable to judge whether there is a fellow passenger in the car or not based on the detection signal outputted from said detection unit, wherein, when said control unit judges that there is no fellow passenger in the car, upon receiving telephone conversation voice signals indicating a telephone conversation voice of an other party of the telephone conversation, said control unit is operable to have the telephone conversation voice outputted in a wide range in the car from said speaker, and prohibit said display unit from displaying contents of the telephone conversation voice, and wherein, when said control unit judges that there is a fellow passenger in the car, upon receiving telephone conversation voice signals indicating a telephone conversation voice of the other party of the telephone conversation, said control unit is operable to output the telephone conversation voice signals to said display unit so as to have said display unit display, the telephone conversation voice in letters, and restrain the telephone conversation voice to be outputted from said speaker. - View Dependent Claims (19, 20, 21)
-
-
22. A method for outputting telephone conversation contents in a hands-free system for enabling a driver to have a hands-free telephone conversation using a cellular phone in a car,
wherein the hands-free system comprises: -
a first speaker operable to output sound to the driver;
a second speaker operable to output sound widely in the car;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone and to control the first and second speakers based on the detection signal outputted from the detection unit, wherein the control unit is operable to execute said method for outputting telephone conversation contents, said method comprising;
receiving a telephone conversation voice signal indicating a telephone conversation voice from an other party of the telephone conversation;
acquiring the detection signal;
judging whether there is a fellow passenger in the car or not based on the acquired detection signal;
outputting the telephone conversation voice in a wide range in the car mainly from the second speaker, and restraining the telephone conversation voice to be outputted from the first speaker, when it is judged that there is no fellow passenger in the car; and
outputting the telephone conversation voice toward the driver mainly from the first speaker, and restraining the telephone conversation voice to be outputted from the second speaker, when it is judged that there is a fellow passenger in the car. - View Dependent Claims (23, 24, 25, 26)
-
-
27. A method for outputting telephone conversation contents in a hands-free system for enabling a driver to have a hands-free telephone conversation in a car using a cellular phone,
wherein the hands-free system comprises: -
a speaker operable to output sound widely in the car;
a display unit operable to display letters in response to inputted signals on a display surface aimed at the driver;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone and control the speaker and the display unit based on the detection signal outputted from the detection unit, wherein the control unit is operable to execute the method for outputting telephone conversation contents, said method comprising;
receiving a telephone conversation voice signal indicating telephone conversation voice from an other party of the telephone conversation;
acquiring the detection signal;
judging whether there is a fellow passenger in the car or not based on the acquired detection signal;
outputting the telephone conversation voice in a wide range in the car from the speaker, and prohibiting the display unit to display the contents of the telephone conversation voice, when it is judged that there is no fellow passenger in the car; and
outputting the telephone conversation voice to the display unit so as to have the display unit display the contents of the telephone conversation voice in letters, and restraining the telephone conversation voice to be outputted from the speaker, when it is judged that there is a fellow passenger in the car. - View Dependent Claims (28)
-
-
29. A program stored on a computer-readable medium in a hands-free system for enabling a driver to have a hands-free telephone conversation in a car using a cellular phone,
wherein the hands-free system comprises: -
a first speaker operable to output sound to the driver;
a second speaker operable to output sound widely in the car;
a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone and to control the first and second speakers based on the detection signal outputted from the detection unit, wherein the program is executed so as to instruct in the control unit to perform a method comprising;
receiving a telephone conversation voice signal indicating a telephone conversation voice from an other party of the telephone conversation;
acquiring the detection signal;
judging whether there is a fellow passenger in the car or not based on the acquired detection signal ;
outputting the telephone conversation voice in a wide range in the car mainly from the second speaker, and restraining the telephone conversation voice to be outputted from the first speaker, when it is judged in that there is no fellow passenger in the car; and
outputting the telephone conversation voice toward the driver mainly from the first speaker, and restraining the telephone conversation voice to be outputted from the second speaker, when it is judged that there is a fellow passenger in the car. - View Dependent Claims (30, 31, 32, 33)
-
-
34. A program stored on a computer-readable medium in a hands-free system for enabling a driver to have a hands-free telephone conversation in a car using a cellular phone,
wherein the hands-free system comprises: -
a speaker operable to output sound widely in the car;
a display unit operable to display letters in response to inputted signals on a display surface aimed at the driver, a detection unit operable to output a detection signal indicating whether there is a fellow passenger in the car or not; and
a control unit operable to communicate with the cellular phone and control the speaker and the display unit based on the detection signal outputted from the detection unit, wherein the program is executed so as to instruct the control unit to perform a method comprising;
receiving a telephone conversation voice signal indicating telephone conversation voice from an other party of the telephone conversation;
receiving the telephone conversation voice signal indicating the telephone conversation voice from the other party of the telephone conversation;
acquiring the detection signal;
judging whether there is a fellow passenger in the car or not based on the acquired detection signal;
outputting the telephone conversation voice in a wide range in the car from the speaker, and prohibiting the display unit to display the contents of the telephone conversation voice, when it is judged that there is no fellow passenger in the car; and
outputting the telephone conversation voice to the display unit so as to have the display unit display the contents of the telephone conversation voice in letters, and restraining the telephone conversation voice to be outputted from the speaker, when it is judged that there is a fellow passenger in the car. - View Dependent Claims (35)
-
Specification