GB1400209A - Electric keyboards for office machines - Google Patents

Electric keyboards for office machines

Info

Publication number
GB1400209A
GB1400209A GB4120572A GB4120572A GB1400209A GB 1400209 A GB1400209 A GB 1400209A GB 4120572 A GB4120572 A GB 4120572A GB 4120572 A GB4120572 A GB 4120572A GB 1400209 A GB1400209 A GB 1400209A
Authority
GB
United Kingdom
Prior art keywords
office machines
keyboards
electric
electric keyboards
office
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
GB4120572A
Other languages
English (en)
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
Priority claimed from IT7095771A external-priority patent/IT996545B/it
Application filed by Olivetti SpA filed Critical Olivetti SpA
Publication of GB1400209A publication Critical patent/GB1400209A/en
Expired 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
GB4120572A 1971-09-06 1972-09-05 Electric keyboards for office machines Expired GB1400209A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6994471 1971-09-06
IT7095771A IT996545B (it) 1971-12-02 1971-12-02 Dispositivo d interconnessione fra una tastiera e circuiti integrati

Publications (1)

Publication Number Publication Date
GB1400209A true GB1400209A (en) 1975-07-16

Family

ID=26329970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4120572A Expired GB1400209A (en) 1971-09-06 1972-09-05 Electric keyboards for office machines

Country Status (7)

Country Link
US (1) US3826882A (enrdf_load_stackoverflow)
JP (1) JPS4833926A (enrdf_load_stackoverflow)
AR (1) AR195568A1 (enrdf_load_stackoverflow)
CH (2) CH563038A5 (enrdf_load_stackoverflow)
DE (1) DE2244438A1 (enrdf_load_stackoverflow)
FR (1) FR2152115A5 (enrdf_load_stackoverflow)
GB (1) GB1400209A (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT972200B (it) * 1972-10-16 1974-05-20 Sits Soc It Telecom Siemens Tastiera per un dispositivo di se lezione per sistemi di telecomuni cazioni
GB1479026A (en) * 1973-08-24 1977-07-06 Giko Kk Push button switch
JPS5340362B2 (enrdf_load_stackoverflow) * 1974-12-06 1978-10-26
US4032728A (en) * 1974-12-20 1977-06-28 Olympia Werke Ag Push button switch
US3978297A (en) * 1975-03-31 1976-08-31 Chomerics, Inc. Keyboard switch assembly with improved pushbutton and associated double snap acting actuator/contactor structure
US3996429A (en) * 1975-04-18 1976-12-07 Northern Electric Company Limited Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs
US4029916A (en) * 1975-04-18 1977-06-14 Northern Electric Company Limited Multi-contact push-button switch and plural embodiment for keyboard switch assembly
GB2009046B (en) * 1977-11-30 1982-02-10 Savin Business Machines Corp Keyboard actuator
JPS562037A (en) * 1979-06-21 1981-01-10 Anritsu Corp Multi-item information input unit
JPS60194827U (ja) * 1984-06-06 1985-12-25 ファナック株式会社 フラツトキ−ボ−ド
DE3722616A1 (de) * 1987-07-09 1989-01-19 Triumph Adler Ag Tastatur fuer schreib- oder aehnliche maschinen
US4855548A (en) * 1988-06-17 1989-08-08 Smith Corona Corporation Keybutton guide assembly for a keyboard
US5050941A (en) * 1990-02-07 1991-09-24 Spacesaver Corporation Switch assembly and mobile storage unit using the assembly
US6965789B2 (en) * 2000-12-29 2005-11-15 Vertu Limited Portable communication device
WO2002054736A1 (en) * 2000-12-29 2002-07-11 Vertu Limited A portable communication device
GB2371022B (en) * 2000-12-29 2005-01-12 Nokia Mobile Phones Ltd A portable communication device
JP4537858B2 (ja) * 2002-11-29 2010-09-08 バレオ システマス デ セグリダ イ デ スィエレ ソシエダ アノニマ 車両のドアまたはトランクのための開放スイッチ
WO2011156888A2 (en) * 2010-06-15 2011-12-22 Omron Dualtec Automotive Electronics Inc. Electrical switch assembly with pivoting actuator
CN104317360B (zh) * 2011-06-13 2018-09-28 树蛙开发公司 用于保护平板电脑的外壳

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290439A (en) * 1963-04-29 1966-12-06 Willcox Data encoding keyboard
FR95927E (fr) * 1966-10-10 1972-03-10 Sanders Associates Inc Codeur a clavier.
US3472974A (en) * 1967-09-25 1969-10-14 Automatic Elect Lab Pushbutton switch activated by a slide with a plurality of toggle joints and cams
CS41879A (enrdf_load_stackoverflow) * 1967-11-02
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
US3731015A (en) * 1971-05-18 1973-05-01 Universal Technology Control keyboard switch with cantilevered contact and diode matrix array
US3725907A (en) * 1971-06-01 1973-04-03 Texas Instruments Inc Pushbutton keyboard system

Also Published As

Publication number Publication date
FR2152115A5 (enrdf_load_stackoverflow) 1973-04-20
CH563038A5 (enrdf_load_stackoverflow) 1975-06-13
AR195568A1 (es) 1973-10-23
US3826882A (en) 1974-07-30
JPS4833926A (enrdf_load_stackoverflow) 1973-05-15
CH560426A5 (enrdf_load_stackoverflow) 1975-03-27
DE2244438A1 (de) 1973-03-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee