EP0267541A3 - A keyboard - Google Patents

A keyboard Download PDF

Info

Publication number
EP0267541A3
EP0267541A3 EP87116320A EP87116320A EP0267541A3 EP 0267541 A3 EP0267541 A3 EP 0267541A3 EP 87116320 A EP87116320 A EP 87116320A EP 87116320 A EP87116320 A EP 87116320A EP 0267541 A3 EP0267541 A3 EP 0267541A3
Authority
EP
European Patent Office
Prior art keywords
keyboard
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.)
Granted
Application number
EP87116320A
Other versions
EP0267541B1 (en
EP0267541A2 (en
Inventor
Haruo Yoshida
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.)
SMK Corp
Original Assignee
SMK Corp
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 SMK Corp filed Critical SMK Corp
Publication of EP0267541A2 publication Critical patent/EP0267541A2/en
Publication of EP0267541A3 publication Critical patent/EP0267541A3/en
Application granted granted Critical
Publication of EP0267541B1 publication Critical patent/EP0267541B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/056—Modular conception
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H01H2233/034—Snap coupling
    • H01H2233/036—Snap coupling with limited freedom
EP87116320A 1986-11-12 1987-11-05 A keyboard Expired - Lifetime EP0267541B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP173716/86 1986-11-12
JP1986173716U JPH0341380Y2 (en) 1986-11-12 1986-11-12

Publications (3)

Publication Number Publication Date
EP0267541A2 EP0267541A2 (en) 1988-05-18
EP0267541A3 true EP0267541A3 (en) 1990-03-21
EP0267541B1 EP0267541B1 (en) 1994-06-01

Family

ID=15965812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116320A Expired - Lifetime EP0267541B1 (en) 1986-11-12 1987-11-05 A keyboard

Country Status (4)

Country Link
EP (1) EP0267541B1 (en)
JP (1) JPH0341380Y2 (en)
KR (1) KR930002227Y1 (en)
DE (1) DE3789936T2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838362C1 (en) * 1988-11-11 1990-01-11 Nixdorf Computer Ag, 4790 Paderborn, De
US5003140A (en) * 1989-06-26 1991-03-26 International Business Machines Corporation Long keybutton stabilizer
EP0478991A3 (en) * 1990-10-01 1992-10-21 Siemens Aktiengesellschaft Holder for keys of a keyboard for electrical apparatus
US5396038A (en) * 1992-06-15 1995-03-07 Smk Co., Ltd. Thin keyboard switch
DE4306046C1 (en) * 1993-02-26 1994-04-21 Siemens Nixdorf Inf Syst Keyboard with at least one double pushbutton - has pin-shaped guide element in space between two guide domes of double pushbutton fixed to pushbutton cap.
KR970004399B1 (en) * 1993-07-02 1997-03-27 B T C Korea Co Ltd Keyboard
JP2001167657A (en) * 1999-12-09 2001-06-22 Brother Ind Ltd Key switch, keyboard comprising the key switch and electronic equipment comprising the keyboard
US7250579B2 (en) * 2005-09-21 2007-07-31 Micro Pneumatic Logic, Inc. Large actuation area switching device
JP5038108B2 (en) * 2007-11-26 2012-10-03 大成建設株式会社 Lighting switch device
JP5630522B2 (en) * 2013-03-21 2014-11-26 Toto株式会社 Operation input device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310313A1 (en) * 1983-03-22 1984-09-27 Sachsse Brigitte Press key
US4492838A (en) * 1983-02-24 1985-01-08 Amp Incorporated Key switch having an actuator integral with the return spring
DE3405652A1 (en) * 1984-02-17 1985-08-22 Brown, Boveri & Cie Ag, 6800 Mannheim Operating device for switching devices
EP0178452A2 (en) * 1984-09-14 1986-04-23 PREH, Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co. Push button
EP0087369B1 (en) * 1982-02-24 1986-04-30 Digital Equipment Corporation Improved electronic keyboard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087369B1 (en) * 1982-02-24 1986-04-30 Digital Equipment Corporation Improved electronic keyboard
US4492838A (en) * 1983-02-24 1985-01-08 Amp Incorporated Key switch having an actuator integral with the return spring
DE3310313A1 (en) * 1983-03-22 1984-09-27 Sachsse Brigitte Press key
DE3405652A1 (en) * 1984-02-17 1985-08-22 Brown, Boveri & Cie Ag, 6800 Mannheim Operating device for switching devices
EP0178452A2 (en) * 1984-09-14 1986-04-23 PREH, Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co. Push button

Also Published As

Publication number Publication date
KR880010350U (en) 1988-07-27
KR930002227Y1 (en) 1993-04-26
DE3789936T2 (en) 1994-09-08
EP0267541B1 (en) 1994-06-01
JPH0341380Y2 (en) 1991-08-30
EP0267541A2 (en) 1988-05-18
DE3789936D1 (en) 1994-07-07
JPS6379019U (en) 1988-05-25

Similar Documents

Publication Publication Date Title
EP0267541A3 (en) A keyboard
CS48186A2 (en) Synergicky insekticidni prostredek a zpusob vyroby ucinne slozky
CS741786A1 (en) Plosny radioaktivni zaric a zpusob jeho pripravy
CS486986A1 (en) Smesne azokondenzacni pigmenty zlutych odstinu a zpusob jejich vyroby
CS163586A1 (en) Modifikatory alifatickych nitrozaminov a alebo azozlucenin
CS214786A1 (en) Plosny nalepovaci kombinovany snimac povrchove teploty a pomerne deformace
AU96771S (en) Keyboard
AU96774S (en) Keyboard
CS780086A1 (en) Zpusob valcovani pasu o rozdilne tloustce a konstantni sirce
CS460486A1 (en) Zpusob upravy a regulace reaktivity fenolformaldehydovych rezolu
CS419186A1 (en) Hnede kypove antrachinonove barvivo a zpusob jeho pripravy
CS169186A1 (en) Teleso linearniho urychlovace elektronu a zpusob jeho vyroby
CS334886A1 (en) Polymerni komposice stimulujici biologicke procesy osifikace a zpusob jeji pripravy
CS791386A1 (en) Vystrihovaci a kalibrovaci pripravok
AU95476S (en) A cakestand
AU95936S (en) A pavior
CS1009086A1 (en) Zpusob gravimetrickeho stanoveni stupne rozkladu mineralu zirkonu a zirkonovych pigmentu
CS1009186A1 (en) Podvojne cyklo tetrafosforecnany zinecnato vapenate a zpusob jejich pripravy
CS1009386A1 (en) Podvojne cyklo tetrafosforecnany manganatovapenate a zpusob jejich vyroby
CS496986A1 (en) Zpusob dezinfekce pudy a pudniho substratu
CS305486A1 (en) Sestava tazneho remene a pechovaci palice
CS492386A1 (en) Chladic hermetickeho kompresoru a stlaceneho plynu
CS489786A1 (en) Zpusob zkouseni frakcni odlucivosti nebo frakcni propustnosti odlucovacu tuhych a kapalnych castic
CS415086A1 (en) Zpusob predcisteni generatoroveho plynu ziskaneho zplynovanim ropnych a dehtovych zbytku
CS450686A1 (en) Imntabilni teilie a zpusob jeji vyroby

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19900821

17Q First examination report despatched

Effective date: 19920402

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19940601

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19940601

REF Corresponds to:

Ref document number: 3789936

Country of ref document: DE

Date of ref document: 19940707

EN Fr: translation not filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19961024

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19961230

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971105

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19971105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980801