GR3003271T3 - Keyboard with radiation interruption - Google Patents

Keyboard with radiation interruption

Info

Publication number
GR3003271T3
GR3003271T3 GR91401900T GR910401900T GR3003271T3 GR 3003271 T3 GR3003271 T3 GR 3003271T3 GR 91401900 T GR91401900 T GR 91401900T GR 910401900 T GR910401900 T GR 910401900T GR 3003271 T3 GR3003271 T3 GR 3003271T3
Authority
GR
Greece
Prior art keywords
radiation
light emitting
emitting diodes
light
keyboard
Prior art date
Application number
GR91401900T
Other languages
English (en)
Inventor
Claude Battarel
Original Assignee
Claude Battarel
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 Claude Battarel filed Critical Claude Battarel
Publication of GR3003271T3 publication Critical patent/GR3003271T3/el

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)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
  • Telephone Set Structure (AREA)
GR91401900T 1986-04-22 1991-12-04 Keyboard with radiation interruption GR3003271T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8605774A FR2597683B1 (fr) 1986-04-22 1986-04-22 Clavier a interrruption de rayonnement.

Publications (1)

Publication Number Publication Date
GR3003271T3 true GR3003271T3 (en) 1993-02-17

Family

ID=9334471

Family Applications (1)

Application Number Title Priority Date Filing Date
GR91401900T GR3003271T3 (en) 1986-04-22 1991-12-04 Keyboard with radiation interruption

Country Status (9)

Country Link
US (1) US4860008A (el)
EP (1) EP0246938B1 (el)
JP (1) JPS6380420A (el)
AT (1) ATE67052T1 (el)
CA (1) CA1266313A (el)
DE (1) DE3772624D1 (el)
ES (1) ES2026556T3 (el)
FR (1) FR2597683B1 (el)
GR (1) GR3003271T3 (el)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460821B (sv) * 1988-03-30 1989-11-20 Electrolux Mecatronik Ab Elektronisk tryckknappsstroemstaellare
GB9119092D0 (en) * 1991-09-06 1991-10-23 Sarnoff David Res Center Optomechanical keyboard
US5563127A (en) * 1993-03-24 1996-10-08 The Dupont Merck Pharmaceutical Company Boronic acid and ester inhibitors of thrombin
US7572078B2 (en) * 2004-03-12 2009-08-11 Advantage Technology & Innovations, Inc. Electronic key depth sensing device and method for interpreting keystroke levels of the device
US8096714B2 (en) 2006-10-31 2012-01-17 Advantage Technology And Innovations, Inc. Stenographic keyboard device providing extended set of keys and method for electronically adjusting key depth sensitivity
KR20070054299A (ko) * 2005-11-23 2007-05-29 화남전자 주식회사 백라이트 기능을 가진 키보드
CN105042404B (zh) * 2015-05-28 2016-03-30 苏州达方电子有限公司 背光模组
CN120089544A (zh) * 2018-12-13 2025-06-03 雷蛇(亚太)私人有限公司 模拟输入设备、计算系统和用于接收并处理模拟输入的方法
CN111312547B (zh) * 2019-06-18 2023-08-04 光宝电子(广州)有限公司 按键模块、应用其的键盘及电子装置
US12307021B2 (en) 2023-10-31 2025-05-20 Dell Products Lp System and method for a quiet keyboard with optical matrix key positioning

Family Cites Families (13)

* 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
US3767022A (en) * 1970-04-24 1973-10-23 Singer Co Return spring key stem boot
US3648050A (en) * 1970-08-06 1972-03-07 Tuh Kai Koo Optoelectronic data entry means having plurality of control means to direct part of radiation in channel from radiation source to output channel
US3856127A (en) * 1972-11-24 1974-12-24 U Halfon Photo-optical keyboard
US4384633A (en) * 1981-03-23 1983-05-24 Scm Corporation Perforated acoustic transport member
FR2518864B1 (fr) * 1981-12-23 1985-03-01 Tech Electro Cie Indle Clavier a touches en relief
US4480182A (en) * 1982-03-16 1984-10-30 Burroughs Corporation Single plane optical membrane switch and keyboard
US4417824A (en) * 1982-03-29 1983-11-29 International Business Machines Corporation Optical keyboard with common light transmission members
US4593191A (en) * 1982-12-29 1986-06-03 At&T Bell Laboratories Pressure and optical sensitive device with deformable protrusions
FR2548394B1 (fr) * 1983-06-29 1988-07-29 Renault Dispositif de commande opto-electronique
US4641026A (en) * 1984-02-02 1987-02-03 Texas Instruments Incorporated Optically activated keyboard for digital system
WO1986001954A1 (fr) * 1984-09-07 1986-03-27 Alain Souloumiac Clavier optique
US4912092A (en) * 1986-03-27 1990-03-27 The Regents Of The University Of California Methods for increasing extracellular adenosine and for stabilizing mast cells

Also Published As

Publication number Publication date
EP0246938B1 (fr) 1991-09-04
US4860008A (en) 1989-08-22
DE3772624D1 (de) 1991-10-10
ES2026556T3 (es) 1992-05-01
CA1266313A (fr) 1990-02-27
FR2597683B1 (fr) 1992-07-31
ATE67052T1 (de) 1991-09-15
FR2597683A1 (fr) 1987-10-23
JPS6380420A (ja) 1988-04-11
EP0246938A1 (fr) 1987-11-25

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