DK196087A - KEYBOARD FOR ELECTRIC CIRCUITS - Google Patents

KEYBOARD FOR ELECTRIC CIRCUITS

Info

Publication number
DK196087A
DK196087A DK196087A DK196087A DK196087A DK 196087 A DK196087 A DK 196087A DK 196087 A DK196087 A DK 196087A DK 196087 A DK196087 A DK 196087A DK 196087 A DK196087 A DK 196087A
Authority
DK
Denmark
Prior art keywords
keyboard
electric circuits
circuits
electric
Prior art date
Application number
DK196087A
Other languages
Danish (da)
Other versions
DK196087D0 (en
Inventor
Patrick Marmet
Original Assignee
Ferco Int Usine Ferrures
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferco Int Usine Ferrures filed Critical Ferco Int Usine Ferrures
Publication of DK196087D0 publication Critical patent/DK196087D0/en
Publication of DK196087A publication Critical patent/DK196087A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
    • H03K2217/94116—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector increasing reliability, fail-safe
DK196087A 1986-04-21 1987-04-15 KEYBOARD FOR ELECTRIC CIRCUITS DK196087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8605699A FR2597682A1 (en) 1986-04-21 1986-04-21 KEYBOARD FOR ELECTRICAL APPLIANCE.

Publications (2)

Publication Number Publication Date
DK196087D0 DK196087D0 (en) 1987-04-15
DK196087A true DK196087A (en) 1987-10-22

Family

ID=9334434

Family Applications (1)

Application Number Title Priority Date Filing Date
DK196087A DK196087A (en) 1986-04-21 1987-04-15 KEYBOARD FOR ELECTRIC CIRCUITS

Country Status (7)

Country Link
EP (1) EP0246935A1 (en)
JP (1) JPS62258517A (en)
CA (1) CA1260108A (en)
DK (1) DK196087A (en)
FI (1) FI871717A (en)
FR (1) FR2597682A1 (en)
NO (1) NO871628L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937443A (en) * 1989-07-28 1990-06-26 Motorola, Inc. Photoelectric ambient light switch with ambient light sensing means
FR2674077A1 (en) * 1991-03-11 1992-09-18 Voiturier Jean Pierre Optical contactor
DE19547300C1 (en) * 1995-12-18 1997-03-06 Siemens Ag Actuation device with at least one opto-electronic sensing element, esp. contact sensitive infrared reflection light barrier
DE102005012001B4 (en) * 2005-03-16 2006-11-30 Diehl Ako Stiftung & Co. Kg Electrical switching device and method for evaluating a measured value
FR2936119B1 (en) * 2008-09-12 2010-11-05 Schneider Electric Ind Sas CONTROL DEVICE INCLUDING A PHOTOVOLTAIC SENSOR

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603982A (en) * 1969-05-02 1971-09-07 Ncr Co Data entry means
US4329581A (en) * 1980-06-04 1982-05-11 General Electric Company Ambient light sensor touch switch system and method
EP0163138A1 (en) * 1984-05-21 1985-12-04 Energy Conversion Devices, Inc. Touch sensitive keyboard input device and method

Also Published As

Publication number Publication date
DK196087D0 (en) 1987-04-15
FI871717A (en) 1987-10-22
CA1260108A (en) 1989-09-26
FR2597682A1 (en) 1987-10-23
JPS62258517A (en) 1987-11-11
FI871717A0 (en) 1987-04-16
NO871628D0 (en) 1987-04-15
NO871628L (en) 1987-10-22
EP0246935A1 (en) 1987-11-25

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment