Radio telephone system within a vehicle with enhanced safety features
First Claim
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1. A radio telephone system for use in a vehicle, comprising:
- an accessory mounted in the vehicle; and
a radio telephone that is separated from the accessory, wherein the accessory comprises;
a detector for detecting an operation state of the vehicle, and a wireless transmitter for transmitting a mode switch signal indicating the operation state to the radio telephone, and wherein the radio telephone comprises;
a radio transceiver for telephone communication;
a wireless receiver for receiving the mode switch signal from the accessory, and a controller for changing an operation mode of the radio telephone depending on the mode switch signal.
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Abstract
A radio telephone system for use in a vehicle is composed of an accessory mounted in the vehicle and a radio telephone that is separated from the accessory. The accessory transmits a mode switch signal indicating an operation state of the vehicle to the radio telephone by wireless means such as radio or infrared. When receiving the mode switch signal from the accessory, the radio telephone changes its operation mode depending on the mode switch signal. The operation state of the vehicle is an on/off state of an ignition key or a speed of the vehicle.
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Citations
37 Claims
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1. A radio telephone system for use in a vehicle, comprising:
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an accessory mounted in the vehicle; and
a radio telephone that is separated from the accessory, wherein the accessory comprises;
a detector for detecting an operation state of the vehicle, and a wireless transmitter for transmitting a mode switch signal indicating the operation state to the radio telephone, and wherein the radio telephone comprises;
a radio transceiver for telephone communication;
a wireless receiver for receiving the mode switch signal from the accessory, and a controller for changing an operation mode of the radio telephone depending on the mode switch signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A radio telephone system for use in a vehicle, comprising:
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an accessory mounted in the vehicle; and
a radio telephone that is separated from the accessory, wherein the accessory comprises;
a detector for detecting an operation state of the vehicle;
a wireless transceiver for transmitting a mode switch signal indicating the operation state to the radio telephone and receiving a mode switch completion signal from the radio telephone; and
an accessory controller determining whether the mode switch completion signal is received from the radio telephone after the mode switch signal has been transmitted to the radio telephone and stopping the wireless transceiver transmitting the mode switch signal unless the mode switch completion signal is received from the radio telephone, and wherein the radio telephone comprises;
a radio transceiver for telephone communication;
a wireless transceiver for receiving the mode switch signal from the accessory and transmitting the mode switch completion signal to the accessory; and
a radio telephone controller for changing an operation mode of the radio telephone depending on the mode switch signal before causing the wireless transceiver to transmit the mode switch completion signal to the accessory. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method for switching an operation mode of a radio telephone within a vehicle in a radio telephone system comprising an accessory mounted in the vehicle and the radio telephone that is separated from the accessory, said method comprising:
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detecting, at the accessory, an operation state of the vehicle;
transmitting, at the accessory, a mode switch signal indicating the operation state to the radio telephone;
receiving, at the radio telephone, the mode switch signal from the accessory; and
changing, at the radio telephone and depending on the mode switch signal, an operation mode of the radio telephone.- View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A method for switching an operation mode of a radio telephone within a vehicle in a radio telephone system comprising an accessory mounted in the vehicle and the radio telephone that is separated from the accessory, said method comprising:
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detecting, at the accessory, an operation state of the vehicle;
transmitting, at the accessory, a mode switch signal indicating the operation state to the radio telephone;
receiving, at the radio telephone, the mode switch signal from the accessory and transmitting the mode switch completion signal to the accessory;
changing, at the radio telephone and depending on the mode switch signal, an operation mode of the radio telephone;
transmitting, at the radio telephone, a mode switch completion signal to the accessory;
determining, at the accessory, whether the mode switch completion signal is received from the radio telephone; and
stopping, at the accessory, transmission of the mode switch signal unless the mode switch completion signal is received from the radio telephone. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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33. A radio telephone separated from an accessory mounted in a vehicle, wherein the accessory transmits a mode switch signal to the radio telephone when a change of an operation state of the vehicle is detected, the radio telephone comprising:
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a radio transceiver for telephone communication;
a wireless receiver for receiving the mode switch signal from the accessory; and
a controller for changing an operation mode of the radio telephone depending on the mode switch signal. - View Dependent Claims (34, 35, 36, 37)
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Specification