Keyless entry system

Details Keyless entry system Keyless entry system

E - Fixed Constructions

05

B

342/10, 340/124

E05B 49/00 (2006.01) G07C 9/00 (2006.01)

Patent

CA 1110342

Abstract of the Invention A keyless system especially useful in controlling the doors and trunk of an automobile is disclosed. The overall system usually comprises an input station containing a key- board, a signal processor, signal amplification means and an electromechanical grouping which converts the electrical output from the amplifier to mechanical movement in control of a lock. The system is activated by a touch control at the input keyboard and with the power section of the system energized, the lock is controlled in response to a proper sequence of digital input signals created by the operator. The input at the control station is described in terms of a keyboard having five selectors and resulting in approxi- mately three thousand possible combinations for the base code. The signal processor responds to correct combinations of digital inputs with a drive signal. The signal processor is also programable with temporary convenience codes which are loaded into the logic portion of the system with access preconditioned on entry of the base code. -1-

308623

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