ATE136176T1 - Tastatur - Google Patents

Tastatur

Info

Publication number
ATE136176T1
ATE136176T1 AT90125142T AT90125142T ATE136176T1 AT E136176 T1 ATE136176 T1 AT E136176T1 AT 90125142 T AT90125142 T AT 90125142T AT 90125142 T AT90125142 T AT 90125142T AT E136176 T1 ATE136176 T1 AT E136176T1
Authority
AT
Austria
Prior art keywords
key
light
circuit board
light source
body part
Prior art date
Application number
AT90125142T
Other languages
English (en)
Inventor
Markku Rossi
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Application granted granted Critical
Publication of ATE136176T1 publication Critical patent/ATE136176T1/de

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

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Dental Preparations (AREA)
AT90125142T 1990-03-29 1990-12-21 Tastatur ATE136176T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI901585A FI84945C (fi) 1990-03-29 1990-03-29 Knappsats.

Publications (1)

Publication Number Publication Date
ATE136176T1 true ATE136176T1 (de) 1996-04-15

Family

ID=8530157

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90125142T ATE136176T1 (de) 1990-03-29 1990-12-21 Tastatur

Country Status (6)

Country Link
EP (1) EP0448826B1 (de)
JP (1) JP3020639B2 (de)
AT (1) ATE136176T1 (de)
CA (1) CA2033102C (de)
DE (1) DE69026241T2 (de)
FI (1) FI84945C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333589A (en) * 1998-01-24 1999-07-28 Motorola Ltd Illuminated optical switch
DE19809886A1 (de) * 1998-03-07 1999-09-09 Bosch Gmbh Robert Elektronisches Gerät mit Bedientasten
GB2339276A (en) * 1998-07-07 2000-01-19 Motorola Ltd Self-illuminating pivotal switch
DE19959459C2 (de) * 1999-12-10 2002-04-25 Nat Rejectors Gmbh Schlitzeinheit für eine Kartenlesevorrichtung
JP4784894B2 (ja) * 2008-02-01 2011-10-05 Ｎｅｃアクセステクニカ株式会社 キー入力装置
DE102011075751B4 (de) * 2011-05-12 2017-06-08 Wtk-Elektronik Gmbh Eingabevorrichtung
CN103151206B (zh) * 2013-03-05 2015-09-02 苏州达方电子有限公司 发光按键结构
RU2675208C1 (ru) * 2017-12-07 2018-12-17 Федеральное государственное бюджетное образовательное учреждение высшего образования "Оренбургский государственный аграрный университет" Установка для исследования процессов износа деталей машин

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340401A (en) * 1963-12-26 1967-09-05 Xerox Corp Motionless data input key
DE2047997B2 (de) * 1970-09-30 1976-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische einzel-eingabetaste
US4049964A (en) * 1976-04-01 1977-09-20 Cavitron Corporation Optical switching device
JPS56162135A (en) * 1980-05-19 1981-12-12 Canon Inc Light emission display device
DE3700856A1 (de) * 1987-01-14 1988-07-28 Telefunken Electronic Gmbh Optoelektronische tastatur

Also Published As

Publication number Publication date
FI84945B (fi) 1991-10-31
DE69026241D1 (de) 1996-05-02
DE69026241T2 (de) 1996-11-07
EP0448826B1 (de) 1996-03-27
CA2033102A1 (en) 1991-09-30
CA2033102C (en) 2000-05-02
JP3020639B2 (ja) 2000-03-15
FI84945C (fi) 1992-02-10
EP0448826A3 (en) 1992-01-15
FI901585A (fi) 1991-09-30
JPH05109338A (ja) 1993-04-30
FI901585A0 (fi) 1990-03-29
EP0448826A2 (de) 1991-10-02

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