US 6,982,629 B2
Method for child seat recognition in a vehicle
A. Ruediger Giesel, Stuttgart (Germany)
Assigned to Robert Bosch GmbH, Stuttgart (Germany)
Filed on Oct. 07, 2002, as Appl. No. 10/265,841.
Claims priority of application No. 101 49 117 (DE), filed on Oct. 05, 2001.
Prior Publication US 2003/0090379 A1, May 15, 2003
Int. Cl. H04Q 5/22 (2006.01); B60Q 1/00 (2006.01); B60R 21/32 (2006.01); G06F 7/00 (2006.01); A47D 1/10 (2006.01)
U.S. Cl. 340—10.42 7 Claims
OG exemplary drawing
 
1. A method for recognizing a child seat in a vehicle, the method comprising:
receiving a radio signal at the child seat, the radio signal being transmitted through a transceiver station in the vehicle;
modifying the radio signal at the child seat, to provide a modified radio signal;
transmitting the modified radio signal to the transceiver station;
sampling the modified radio signal using a processor to provide a sampled radio signal, a time of the processor being made available for other tasks between a plurality of individual times of the sampling; and
evaluating the sampled radio signal after the sampling is complete;
wherein radio signals having different frequencies are used in succession, and the transmitting, the receiving, and the sampling of the radio signal are controlled by a respective interrupt.