Boots – shoes – and leggings
Patent
1979-03-27
1981-04-07
Krass, Errol A.
Boots, shoes, and leggings
174 685, 339 17L, 340365L, 361398, 364712, G06F 100, H05K 100
Patent
active
042610427
ABSTRACT:
A key signal entering device for thin electronic apparatus comprises paired electrodes provided on an insulating substrate, an anisotropically electroconductive sheet disposed on said electrodes and a layer of an electroconductive material disposed thereon. A key signal is generated by selectively pressing said device from above to modify the electroconductive area in the thickness direction of said anisotropically electroconductive sheet thereby electrically connecting said electrodes with said electroconductive layer. An alternative device comprises an anisotropically electroconductive sheet sandwiched between flexible sheets having electrodes arranged in mutually facing relationship, wherein a key signal is generated by pressing said flexible film to render said anisotropically electroconductive sheet conductive thereby electrically connecting electrodes on said flexible sheets.
REFERENCES:
patent: 3699294 (1972-10-01), Sudduth
patent: 3734598 (1973-05-01), Aiken
patent: 3748018 (1973-07-01), Borden, Jr.
patent: 3911234 (1975-10-01), Kotaka
patent: 3963906 (1976-06-01), Yamamura et al.
patent: 4081898 (1978-04-01), Taylor, Jr. et al.
patent: 4096577 (1978-06-01), Ferber et al.
patent: 4104728 (1978-08-01), Kasubuchi
Horyu Sakae
Ishiwatari Masumi
Seki Mitsuaki
Canon Kabushiki Kaisha
Krass Errol A.
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