Keyboard

Details Keyboard Keyboard

1978-02-21

1981-04-28

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252511, 200265, H01B 104

Patent

active

042644771

ABSTRACT:
Keyboard having contactors and contacts which are selectively urged against one another by depression causing engagement of one by the other, the keyboard having at least contactors or contacts or both which are constructed of a conductive polymeric composition such that upon engagement of a contactor with a contact there is exhibited substantially reduced bounce after repeated closure of contactor against contact even at micro ampere current levels.

REFERENCES:
patent: 2866057 (1958-12-01), Peck
patent: 3173885 (1965-03-01), Short
patent: 3860771 (1975-01-01), Lynn et al.
patent: 4066851 (1978-01-01), White et al.

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Also associated with

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