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EP 0000857 B1 19810429 - PHOTOELECTRIC CONTROL DEVICE

Title (en)

PHOTOELECTRIC CONTROL DEVICE

Publication

EP 0000857 B1 19810429 (FR)

Application

EP 78810008 A 19780707

Priority

GB 2881477 A 19770708

Abstract (en)

[origin: EP0000857A1] 1. A photoelectric control device, comprising a light source, a photodetector, an electrical switch actuated by the photodetector as a function of the light intensity received and a control element rigid with a reflecting element which control element may occupy two end positions, in one of which positions the light from the said source is directed towards the photodetector, characterised in that the device comprises display means disposed in such a way as to receive the light from the said source when the said control element is in the other of the end positions.

IPC 1-7

H03K 17/78; H01L 31/16; H03K 17/18

IPC 8 full level

H03K 17/968 (2006.01)

CPC (source: EP)

H03K 17/968 (2013.01)

Designated contracting state (EPC)

BE CH DE FR GB LU NL SE

DOCDB simple family (publication)

EP 0000857 A1 19790221; EP 0000857 B1 19810429; DE 2860644 D1 19810806

DOCDB simple family (application)

EP 78810008 A 19780707; DE 2860644 T 19780707