Relay-like control devices, to control device matrixes and to ci

Details Relay-like control devices, to control device matrixes and to ci Relay-like control devices, to control device matrixes and to ci

1977-12-23

1980-06-03

Hix, L. T.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

340166R, 340764, 340783, 340752, 179111E, 307400, H01H 5302, G09F 930

Patent

active

042063698

ABSTRACT:
A control device comprising three mechanical elements, one of which is moe relatively to the two others and one of these elements being an electret, whereas the two others are control electrodes. The mechanical mobile element forms a portion partially cut out of a plate 3. Applications to electrical (particularly telephone exchanges and optical information display) switching.

REFERENCES:
patent: 2931954 (1960-04-01), Diesel
patent: 3210757 (1965-10-01), Jacob
patent: 4065677 (1977-12-01), Micheron et al
patent: 4078183 (1978-03-01), Lewiner et al.

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