About 65 results
https://drivepatents.com/patents/1091230 · 10 Dec 2003
The system has a controller, a voltage supply and at least one antenna connected to the controller at a first end for communicating with an operating device via an especially bi-directional radio path. The antenna can be subjected to a direct voltage and/o...
https://drivepatents.com/patents/1091793 · 19 Nov 2003
The present invention is a system and method for detecting a jamming signal. The signal is detected by analyzing a spectrum of PCS, wireless network and pager wavebands (or, in other words, any wireless network) and by looking for unusual patterns. If unus...
https://drivepatents.com/patents/1091781 · 19 Nov 2003
The vehicle includes an interior space (204) delimited by walls (207,208,209,232) and an on-board signal transmission device for communicating with a portable receiver device for putting into play a distance control method, this signal transmission device ...
https://drivepatents.com/patents/1092234 · 29 Oct 2003
The security system has a first transceiver, especially associated with a vehicle, for communications with a second transceiver associated with a portable controller via a bi-directional radio path, whereby the transceivers have associated antennas, of whi...
https://drivepatents.com/patents/1093398 · 10 Sep 2003
The warning system (1) switches a component (2) off or provides an alarm signal or an electronic message to a monitoring station. The system has a transponder (3) firmly attached to the car body so that it can only be removed by destruction of the car body...
https://drivepatents.com/patents/1094214 · 6 Aug 2003
The properties are activated using a transmitter unit with a sensor (4) that reads the users body characteristics so that the unit generates a user-characterising signal which is picked up a receiver unit in the vehicle so that specific vehicle properties ...
https://drivepatents.com/patents/1096582 · 23 Apr 2003
The logic coupler has two wires connected to modules functioning at the same rate with identical communication protocols, and connected to a line drive transcoder. The differential signals circulate on the bus as logic signals. There is a logic locking sys...
https://drivepatents.com/patents/1097096 · 2 Apr 2003
The monitoring method has at least one subscriber (101,103) of the bus system (100), e.g. a controller area network bus system, designated as an authorized subscriber and used for monitoring the data transmission along the bus system, each of which is prov...
https://drivepatents.com/patents/1097097 · 2 Apr 2003
The monitoring method has a master subscriber (100) of the bus system used for monitoring the data transmission along the bus system, for initiating a procedure which blocks data transmission upon detection of a data transmission not initiated by the maste...
https://drivepatents.com/patents/1098877 · 22 Jan 2003
A transmitter (2) is carried by the authorized user of a vehicle and emits an identification code. A receiver (3) linked to a protected space (1) analyses the strength of the signal received and the value of the code. If the signal strength indicates the t...