Weatherproof electronic keypad with replaceable graphics overlay

Details Weatherproof electronic keypad with replaceable graphics overlay Weatherproof electronic keypad with replaceable graphics overlay

1994-12-23

1997-10-07

Hilten, John S.

Typewriting machines

Key-board or key lever-actuating mechanism

Including mechanism for activating keys

400490, 200512, 200513, B41J 512

Patent

active

056740182

ABSTRACT:
A weatherproof electronic keypad includes a molded plastic housing, a plurality of transducers attached to the inside surface of the front wall of the housing, an electronic circuit mounted within the housing and connected to the transducers, and a graphics overlay removably affixed to the outside surface of the front wall of the housing. The front wall and overlay are sufficiently flexible that finger pressure applied to the overlay results in enough deformation of the front wall to activate the transducer underlying that portion of the inside surface. The overlay contains indicia which identify the location and function of the transducers. The overlay need not be attached to the housing as a part of manufacturing the keypad, but rather can be added in situ as part of installation of the keypad. This enables customized selection of a particular overlay in accordance with aesthetic and/or functional considerations, as well as replacement of the overlay in the field if necessary.

REFERENCES:
patent: 4673108 (1987-06-01), De Man
patent: 5138119 (1992-08-01), Demeo
patent: 5357065 (1994-10-01), Mitamura et al.
patent: 5430263 (1995-07-01), English et al.
patent: 5489754 (1996-02-01), Dirmeyer et al.
patent: 5510586 (1996-04-01), Arnal
patent: 5512721 (1996-04-01), Young et al.

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