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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US420532527 Dec 197727 May 1980Ford Motor CompanyKeyless entry system
US445558829 Apr 198219 Jun 1984Nissan Motor Company, Limited
Kokusan Kinzoku Kogyo Co., Ltd.
Electronical unlocking method and system
US446334929 Sep 198231 Jul 1984Nissan Motor Company, Ltd.Electronic lock system with audible entry monitor
US447780629 Sep 198216 Oct 1984Nissan Motor Company, Limited
Kokusan Kinzoku Kogyo Co. Ltd.
Mischief preventive electronic lock device
US448680629 Apr 19824 Dec 1984Nissan Motor Company, Limited
Kokusan Kinzoku Kogyo Co., Ltd.
Electronic door locking system for an automotive vehicle
US463829224 Aug 198220 Jan 1987Nissan Motor Company, Limited
Kokusan Kinzoku Kogyo
Theft prevention system in an automotive keyless entry system with automatic door locking
US472195418 Dec 198526 Jan 1988Marlee Electronics CorporationKeypad security system
US47423277 Dec 19833 May 1988Essex-Tec CorporationKeyless access control and security system
US476039327 Mar 198626 Jul 1988Marlee Electronics CorporationSecurity entry system
US479426819 Jun 198727 Dec 1988Nissan Motor Company, LimitedAutomotive keyless entry system incorporating portable radio self-identifying code signal transmitter
US487353029 Sep 198610 Oct 1989Nissan Motor Co., Ltd.Antenna device in automotive keyless entry system
US497395821 Feb 198627 Nov 1990Nissan Motor Company, LimitedKeyless entry system for automotive devices antenna device allowing low power radio signal communication
US511119926 Jun 19905 May 1992Nissan Motor Company, LimitedPocket-portable radio code signal transmitter for automotive keyless entry system
US588664410 Apr 199723 Mar 1999Security People, Inc.Programmable digital electronic lock
US589427712 Mar 199613 Apr 1999Security People, Inc.Programmable digital electronic lock
US665518031 Jul 20012 Dec 2003Security People, Inc.Locker lock with adjustable bolt
US816178117 Jun 200824 Apr 2012Security People, Inc.Electronic locker lock