US Patent No: 5,982,048
Number of patents in Portfolio can not be more than 2000
Procedure for connecting a status detection device of a passive safety system for motor vehicles to a control unit
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Nov 9, 1999
Issued date -
Jun 18, 1997
filing date -
08/877,814
serial no -
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Abstract
The invention concerns a procedure for selectively connecting a status detection device--from a group of such devices based on different physical action principles, in particular belt buckle status detection, and seat occupation detection, within a passive safety system for motor vehicles, in particular an airbag system, and/or a belt pretensioning system,--to the signal input of a control unit, using a single wire connection, by causing the control unit to activate an appropriate current/voltage supply in accordance with the physical action principle, and by appropriately processing the signals generated by the status detection device, which signals will then be fed to the control unit for evaluation. Furthermore, an interface circuit is specified for implementing the procedure according to the invention.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,626,359 Method and apparatus for controlling an actuatable restraining device in response to discrete control zones | 166 | 1995 | |
| 5,531,472 Apparatus and method for controlling an occupant restraint system | 94 | 1995 | |
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| 4,420,114 Liquid heating system | 13 | 1981 | |
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| 5,411,289 Air bag system for a motor vehicle | 93 | 1993 | |
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| 4,404,816 Modular refrigeration assembly having air defrost system | 9 | 1981 | |