发明授权
- 专利标题: Remote controlled security system
- 专利标题(中): 远程控制安全系统
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申请号: US430104申请日: 1995-04-27
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公开(公告)号: US5554977A公开(公告)日: 1996-09-10
- 发明人: Gary F. Jablonski , Henry J. Ewald
- 申请人: Gary F. Jablonski , Henry J. Ewald
- 申请人地址: MI Dearborn
- 专利权人: Ford Motor Company
- 当前专利权人: Ford Motor Company
- 当前专利权人地址: MI Dearborn
- 主分类号: H04Q9/00
- IPC分类号: H04Q9/00 ; G07C9/00 ; G07F7/10 ; G06F7/04 ; B60R25/00 ; G06F7/58 ; G08C19/00
摘要:
A security system and method is provided for one way communication between a remote transmitter and a receiver which enables a function such unlocking the doors or disarming a security system. The system uses a three part security code having one part which is a pseudo-randomly generated function, one part which is a permanently assigned code to the transmitter/receiver combination and one part which is based on the number of transmissions transmitted by the transmitter.
公开/授权文献
- US4962332A Ultrasonic probe and method of manufacturing the same 公开/授权日:1990-10-09