DE3543784C2 - - Google Patents

Info

Publication number
DE3543784C2
DE3543784C2 DE19853543784 DE3543784A DE3543784C2 DE 3543784 C2 DE3543784 C2 DE 3543784C2 DE 19853543784 DE19853543784 DE 19853543784 DE 3543784 A DE3543784 A DE 3543784A DE 3543784 C2 DE3543784 C2 DE 3543784C2
Authority
DE
Germany
Prior art keywords
light guide
light
keyboard
button
keys
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19853543784
Other languages
German (de)
English (en)
Other versions
DE3543784A1 (de
Inventor
Hans-Helmut Dipl.-Phys. 7541 Straubenhardt De Marguerre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19853543784 priority Critical patent/DE3543784A1/de
Publication of DE3543784A1 publication Critical patent/DE3543784A1/de
Application granted granted Critical
Publication of DE3543784C2 publication Critical patent/DE3543784C2/de
Granted legal-status Critical Current

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
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard

Landscapes

  • Input From Keyboards Or The Like (AREA)
DE19853543784 1985-12-09 1985-12-09 Tastatur Granted DE3543784A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853543784 DE3543784A1 (de) 1985-12-09 1985-12-09 Tastatur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853543784 DE3543784A1 (de) 1985-12-09 1985-12-09 Tastatur

Publications (2)

Publication Number Publication Date
DE3543784A1 DE3543784A1 (de) 1987-06-11
DE3543784C2 true DE3543784C2 (fr) 1989-01-12

Family

ID=6288190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853543784 Granted DE3543784A1 (de) 1985-12-09 1985-12-09 Tastatur

Country Status (1)

Country Link
DE (1) DE3543784A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441222A1 (de) * 1994-11-19 1996-05-23 Karlheinz Beckhausen Sicherheitseinrichtung mit Lichtwellenleiter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805932A1 (de) * 1988-02-25 1989-09-07 Pedro Rodriguez Optoelektronische schalter und tastatur mittels lichtwellenleiter
DE19638788A1 (de) * 1996-09-21 1998-03-26 Grohe Kg Hans Sanitärarmatur
CN101846772A (zh) * 2009-03-23 2010-09-29 陈�峰 薄膜光波导纵横开关模块

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307336C2 (de) * 1983-03-02 1985-09-12 Krone Gmbh, 1000 Berlin Opto-elektrische Tastatur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441222A1 (de) * 1994-11-19 1996-05-23 Karlheinz Beckhausen Sicherheitseinrichtung mit Lichtwellenleiter
DE4441222C2 (de) * 1994-11-19 2003-02-06 Karlheinz Beckhausen Sicherheitseinrichtung mit Lichtwellenleiter

Also Published As

Publication number Publication date
DE3543784A1 (de) 1987-06-11

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee