| US 7,562,735 B2 | ||
| Passenger detecting device adapted for motor vehicle | ||
| Masatoshi Kobayashi, Tokyo (Japan); Takahiro Kawakami, Tokyo (Japan); and Noboru Saito, Tokyo (Japan) | ||
| Assigned to Calsonic Kansei Corporation, Tokyo (Japan) | ||
| Filed on Dec. 21, 2006, as Appl. No. 11/642,831. | ||
| Claims priority of application No. 2005-369743 (JP), filed on Dec. 22, 2005. | ||
| Prior Publication US 2007/0144793 A1, Jun. 28, 2007 | ||
| Int. Cl. B60R 21/015 (2006.01) | ||
| U.S. Cl. 180—273 [280/735; 177/136; 177/144; 177/185; 177/200; 701/45] | 8 Claims |
| 1. A passenger detecting device adapted for a motor vehicle, the passenger detecting device comprising:
a plurality of weight sensors that are arranged at different positions of a seat for respectively detecting weights acting
on the seat of a motor vehicle;
a weight-fluctuation monitoring means for monitoring weight-fluctuation amounts of the plurality of the weight sensors and
a sum-weight fluctuation amount thereof, based on the weights detected by the plurality of the weight sensors, respectively;
and
a passenger judging and data updating means for judging a passenger on the seat to be a large physical-size person or a small
physical-size person to update information on the passenger on the seat when the sum-weight fluctuation amount is not less
than each of the weight fluctuation amounts, the passenger judging and data updating means for preventing the information
to be updated when at least one of the weight fluctuation amounts is larger than the sum-weight fluctuation amount.
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