System and method for tire pressure monitoring using CDMA tire pressure signals
First Claim
1. In a vehicle having a plurality of tires, a system for monitoring tire pressure comprising:
- a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising means for determining tire pressure and a transmitter for transmitting a signal representative of the tire pressure determined;
a receiver for mounting on board the vehicle for receiving tire pressure signals, wherein the transmitters and the receiver utilize code division multiple access (CDMA) for the tire pressure signals so that tire pressure signals transmitted simultaneously by the transmitters can be received by the receiver; and
a controller for mounting on board the vehicle, the controller to be provided in communication with the receiver for collecting and processing tire pressure signals, and for generating control signals for use in conveying tire pressure information to a vehicle occupant.
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Accused Products
Abstract
A system and method for monitoring vehicle tire pressure. A tire monitor for each tire includes a pressure sensor for sensing tire pressure and a transmitter for transmitting a signal representative of the sensed tire pressure. A receiver for mounting on the vehicle receives the tire pressure signals. The transmitters and the receiver utilize code division multiple access (CDMA) for the tire pressure signals so that tire pressure signals transmitted simultaneously by the transmitters can be received by the receiver. A controller for mounting on the vehicle communicates with the receiver and collects and processes the tire pressure signals, and generates control signals for use in conveying tire pressure information to a vehicle occupant.
9 Citations
20 Claims
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1. In a vehicle having a plurality of tires, a system for monitoring tire pressure comprising:
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a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising means for determining tire pressure and a transmitter for transmitting a signal representative of the tire pressure determined;
a receiver for mounting on board the vehicle for receiving tire pressure signals, wherein the transmitters and the receiver utilize code division multiple access (CDMA) for the tire pressure signals so that tire pressure signals transmitted simultaneously by the transmitters can be received by the receiver; and
a controller for mounting on board the vehicle, the controller to be provided in communication with the receiver for collecting and processing tire pressure signals, and for generating control signals for use in conveying tire pressure information to a vehicle occupant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. In a vehicle having a plurality of tires, a method for monitoring tire pressure comprising:
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providing a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising means for determining tire pressure and a transmitter for transmitting a signal representative of the tire pressure determined;
providing a receiver for mounting on board the vehicle for receiving the tire pressure signals, wherein the transmitters and the receiver utilize code division multiple access (CDMA) for the tire pressure signals so that tire pressure signals transmitted simultaneously by the transmitters can be received by the receiver; and
providing a controller for mounting on board the vehicle, the controller to be provided in communication with the receiver for collecting and processing the tire pressure signals, and for generating control signals for use in conveying tire pressure information to a vehicle occupant. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. The system of claim 151 where in each transmitter includes a battery and, to extend battery life, each transmitter transmits tire pressure signals periodically.
Specification