DE2244438A1 - Elektrische tastatur fuer bueromaschinen - Google Patents

Elektrische tastatur fuer bueromaschinen

Info

Publication number
DE2244438A1
DE2244438A1 DE2244438A DE2244438A DE2244438A1 DE 2244438 A1 DE2244438 A1 DE 2244438A1 DE 2244438 A DE2244438 A DE 2244438A DE 2244438 A DE2244438 A DE 2244438A DE 2244438 A1 DE2244438 A1 DE 2244438A1
Authority
DE
Germany
Prior art keywords
contact
shaft
knife
keyboard according
button
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.)
Pending
Application number
DE2244438A
Other languages
German (de)
English (en)
Inventor
Michele Bovio
Claudio Dalmasso
Nicolo Giolitti
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 DE2244438A1 publication Critical patent/DE2244438A1/de
Pending 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)
DE2244438A 1971-09-06 1972-09-06 Elektrische tastatur fuer bueromaschinen Pending DE2244438A1 (de)

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
DE2244438A1 true DE2244438A1 (de) 1973-03-15

Family

ID=26329970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2244438A Pending DE2244438A1 (de) 1971-09-06 1972-09-06 Elektrische tastatur fuer bueromaschinen

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) CH560426A5 (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
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
US6965789B2 (en) * 2000-12-29 2005-11-15 Vertu Limited Portable communication device
EP1568053B1 (en) * 2002-11-29 2006-07-19 Valeo Sistemas de Seguridad y de Cierre Opening switch for vehicle doors or trunks
US20110303516A1 (en) * 2010-06-15 2011-12-15 Omron Dualtec Automotive Electronics Inc. Electrical Switch Assembly with Pivoting Actuator
CA2838333C (en) * 2011-06-13 2021-07-20 Treefrog Developments, Inc. Housing for encasing a tablet computer

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
IT799480A (enrdf_load_stackoverflow) * 1966-10-10
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
GB1400209A (en) 1975-07-16
AR195568A1 (es) 1973-10-23
JPS4833926A (enrdf_load_stackoverflow) 1973-05-15
CH560426A5 (enrdf_load_stackoverflow) 1975-03-27
FR2152115A5 (enrdf_load_stackoverflow) 1973-04-20
CH563038A5 (enrdf_load_stackoverflow) 1975-06-13
US3826882A (en) 1974-07-30

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Legal Events

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OHJ Non-payment of the annual fee