Keyless entry module and method

Details Keyless entry module and method Keyless entry module and method

2006-03-21

2006-03-21

Zimmerman, Brian (Department: 2635)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005850, C340S870030, C340S870030, C341S173000, C341S176000

Reexamination Certificate

active

07015791

ABSTRACT:
Methods and apparatus are provided for a key-less system for actuating a lock responsive to a valid OPEN signal. A first portion is continuously coupled to a power source and a second portion receives power from the source only when a coupling switch is ON. The first portion comprises a keypad for entry of a lock actuation code, and a detector that senses the first keystroke and turns the switch ON. The second portion includes an RF transmitter and preferably a memory with valid actuation codes stored therein, and a processor coupled to the memory, to the keypad and to the RF transmitter. When the entered and stored keystrokes match, the RF transmitter sends an OPEN signal to the lock. The method comprises detecting the first keystroke, turning on the power switch ON, comparing the entered and stored keystrokes and if matched, transmitting an OPEN command to the lock.

REFERENCES:
patent: 4754255 (1988-06-01), Sanders et al.
patent: 4757304 (1988-07-01), Rho
patent: 5077831 (1991-12-01), Weber
patent: 5442341 (1995-08-01), Lambropoulos
patent: 5955981 (1999-09-01), Rangan
patent: 6617975 (2003-09-01), Burgess
patent: 0950784 (2001-11-01), None
An article containing 1) A portion of what is believed to be user's manual entitled Lock and Security-Keyless Entry System Associated with Ford or Lincoln/Mercury vechicles; 2) A photograph of a Keyless entry module believed to be that described in Item (1); and 3) An electrical schematic diagram entitled “Enterprise Electronics-Combination RKE, Board E20503A.SCH, Author D. Pearson,” dated Feb. 5, 2003, believed to be related to items (1) and (2). Obtained from the Internet Web site, https://gullfoss2.fcc.gov/cgi-bin/ws.exe/prod/oet/forms/reports/Search—Form.hts?mode=Edit&form=Exhibits&application—id=615137&fcc id=QV4-LRL0001.

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