Keyless entry system incorporating concealable keypad

Details Keyless entry system incorporating concealable keypad Keyless entry system incorporating concealable keypad

2011-03-22

2011-03-22

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005720, C362S501000

Reexamination Certificate

active

07911321

ABSTRACT:
A keyless entry system has a handle housing and a grip cover defining a door handle grip, a keyless entry pad defining a plurality of keys, each identified with a corresponding symbol, a plurality of sensors in proximity to the keys for detecting an object in the vicinity of the keys, an illumination source to selectively backlight the sensors and symbols, and a light-controlling membrane extending over the keyless entry pad. Entering a keyless entry code into the keyless entry pad by selecting keys in a predetermined sequence enables a latch to be selectively disposed in either a locked condition or an unlocked condition. In ambient light, the light-controlling membrane renders the symbol invisible. When the illumination source backlights the sensor and the symbol, the light-controlling membrane renders the symbol visible.

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