Membrane switch for a telephone handset

Details Membrane switch for a telephone handset Membrane switch for a telephone handset

1997-06-23

1999-05-04

Chiang, Jack

Telephonic communications

Centralized switching system

Switching controlled in response to called station...

379428, H04M 100

Patent

active

059012161

ABSTRACT:
A photo-assisted secondary keypad for a telephone. The secondary keypad includes a plurality of openings that expose a number of membrane switch keypads. Depression of a keypad dials a telephone number stored in a memory of the phone unit. Each opening has at least one slot which receives and captures a paper insert. The insert may be a photograph or a graphic image of an individual, police car, etc. The phone numbers associated with each keypad correspond to the images of the inserts. The inserts can be easily installed into the openings by sliding a corner of an insert into the slot.

REFERENCES:
patent: 2853585 (1958-09-01), Danziger et al.
patent: 4866764 (1989-09-01), Barker, III
patent: 4926459 (1990-05-01), Advani et al.
patent: 5356296 (1994-10-01), Pierce et al.

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