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DE69019240D1 - Kontakttastatur. - Google Patents

Kontakttastatur.

Info

Publication number
DE69019240D1
DE69019240D1 DE69019240T DE69019240T DE69019240D1 DE 69019240 D1 DE69019240 D1 DE 69019240D1 DE 69019240 T DE69019240 T DE 69019240T DE 69019240 T DE69019240 T DE 69019240T DE 69019240 D1 DE69019240 D1 DE 69019240D1
Authority
DE
Germany
Prior art keywords
contact keyboard
keyboard
contact
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 - Fee Related
Application number
DE69019240T
Other languages
English (en)
Other versions
DE69019240T2 (de
Inventor
Gianpaolo Bonmassari
Claudio Gillio
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.)
Olivetti SpA
Original Assignee
Olivetti SpA
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 Olivetti SpA filed Critical Olivetti SpA
Application granted granted Critical
Publication of DE69019240D1 publication Critical patent/DE69019240D1/de
Publication of DE69019240T2 publication Critical patent/DE69019240T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01H2213/00—Venting
    • H01H2213/002—Venting with external pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/01—Key modules mounted on laykey
    • H01H2233/018—One degree of freedom
DE69019240T 1989-06-29 1990-06-08 Kontakttastatur. Expired - Fee Related DE69019240T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8967532A IT1232530B (it) 1989-06-29 1989-06-29 Tastiera a contatti

Publications (2)

Publication Number Publication Date
DE69019240D1 true DE69019240D1 (de) 1995-06-14
DE69019240T2 DE69019240T2 (de) 1995-10-12

Family

ID=11303205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019240T Expired - Fee Related DE69019240T2 (de) 1989-06-29 1990-06-08 Kontakttastatur.

Country Status (6)

Country Link
US (1) US5034573A (de)
EP (1) EP0405775B1 (de)
JP (1) JPH03114114A (de)
CA (1) CA2019127A1 (de)
DE (1) DE69019240T2 (de)
IT (1) IT1232530B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201824A (en) * 1989-10-06 1993-04-13 Alps Electric Co., Ltd. Push button switch
GB2282915B (en) * 1991-03-27 1995-09-27 Hitachi Telecomm Tech Panel unit of dealing board
US5199556A (en) * 1991-10-08 1993-04-06 Silitek Corporation Structure of key switch
US5298706A (en) * 1992-08-13 1994-03-29 Key Tronic Corporation Membrane computer keyboard and improved key structure
DE4405754A1 (de) * 1994-02-23 1995-08-24 Sel Alcatel Ag Drucktastenanordnung
GB9519557D0 (en) * 1995-09-26 1995-11-29 Psion Plc Key assembly
JP3819124B2 (ja) * 1997-08-29 2006-09-06 アルゼ株式会社 スイッチ構造
US6781077B2 (en) 2000-12-14 2004-08-24 Think Outside, Inc. Keyswitch and actuator structure
DE102008058815B4 (de) * 2008-11-24 2016-06-09 Sasse Elektronik Gmbh Tastatur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7202909A (de) * 1972-03-04 1973-09-07
US4246452A (en) * 1979-01-05 1981-01-20 Mattel, Inc. Switch apparatus
US4319099A (en) * 1979-05-03 1982-03-09 Atari, Inc. Dome switch having contacts offering extended wear
DE3041859A1 (de) * 1980-11-06 1982-06-03 Preh Elektro Feinmechanik Tastatur
FR2532106B1 (fr) * 1982-08-20 1985-10-25 Radiotechnique Compelec Dispositif interrupteur a plusieurs voies, tel qu'une comman de multidirectionnelle pour jeu electronique
DE3335275A1 (de) * 1982-11-08 1985-04-18 Schlegel Georg Fa Befehlstaster zum einbau in eine schalttafel oder dergleichen
US4489227A (en) * 1984-01-11 1984-12-18 Sheldahl, Inc. Back lighted, full travel push button membrane keyboard
US4678880A (en) * 1984-04-18 1987-07-07 Omron Tateisi Electronics Co. Keyboard switch
DE3421319C2 (de) * 1984-06-08 1986-04-24 Borg Instruments GmbH, 7537 Remchingen Drucktaster mit Gummimatte

Also Published As

Publication number Publication date
EP0405775A3 (en) 1992-04-22
DE69019240T2 (de) 1995-10-12
CA2019127A1 (en) 1990-12-29
IT8967532A0 (it) 1989-06-29
EP0405775A2 (de) 1991-01-02
JPH03114114A (ja) 1991-05-15
IT1232530B (it) 1992-02-19
EP0405775B1 (de) 1995-05-10
US5034573A (en) 1991-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee