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US 6,941,803 B2Granted
Tire pressure monitoring apparatus and process
AssigneeNissan Motor Co., Ltd.
InventorsTetsuro Hirohama, Kazuhiko Ito, Suguru Nakayama
Life of this patent
Estimating the term…
Abstract
A tire pressure monitoring apparatus includes transmitter units provided, respectively, for sensing tire pressures of a vehicle, and receiver units for receiving wireless signals from the transmitter units. A tire pressure monitoring controller registers tire identification code transmitted from each transmitter unit, by measuring signal strengths of wireless signals, and comparing the signal strengths.
Claims13
A tire pressure monitoring apparatus comprising:
- a plurality of transmitter units provided, respectively, for tires of a vehicle, each of the transmitter units includes a pressure sensor to sense a tire pressure of the corresponding one of the tires to determine a sensed tire pressure, and a transmitting device to transmit a wireless signal to covey information on the sensed tire pressure and a tire identification code for identifying the corresponding one of the tires;
- a receiving section provided in the vehicle and arranged to receive the wireless signals from the transmitter units, the receiving section including a plurality of receiver units each provided near a unique one of the tires of the vehicle;
- and
- a controller to register the tire identification code of each tire, the controller being configured;
- to measure signal strengths of wireless signals when the wireless signals are received by the receiving section;
- and
- to register the tire identification code of each tire by comparing the signal strengths.
4 more elements
A tire pressure monitoring process comprising:
- receiving wireless signals at a plurality of tire proximity positions in a vehicle from transmitter units provided, respectively, for tires of the vehicle, to sense a tire pressure of the corresponding one of the tires to determine a sensed tire pressure, and to transmit a wireless signal to covey information on the sensed tire pressure and a tire identification code for identifying the corresponding one of the tires;
- measuring signal strengths of the wireless signals received at the tire proximity positions;
- and
- registering the tire identification code of each tire by comparing the signal strengths.
1 more element
A tire pressure monitoring apparatus comprising:
- transmitting means for transmitting wireless signals each containing information on a sensed tire pressure of a unique one of tires of a vehicle, and a tire identification code identifying the unique one of the tires;
- receiving means for receiving the wireless signals from the transmitting means at tire proximity positions each located near a unique one of the tires of the vehicle;
- measuring means for measuring signal strengths of the wireless signals;
- and
- registering means for registering the tire identification code of each tire by comparing the signal strengths.
2 more elements
Dependencies are inferred from the claim text.