FR2373136A1 - Mecanisme de contact de commutation pour un clavier du type de calculateur - Google Patents

Mecanisme de contact de commutation pour un clavier du type de calculateur

Info

Publication number
FR2373136A1
FR2373136A1 FR7736578A FR7736578A FR2373136A1 FR 2373136 A1 FR2373136 A1 FR 2373136A1 FR 7736578 A FR7736578 A FR 7736578A FR 7736578 A FR7736578 A FR 7736578A FR 2373136 A1 FR2373136 A1 FR 2373136A1
Authority
FR
France
Prior art keywords
blades
computer type
switching contact
arms
perimeter
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
FR7736578A
Other languages
English (en)
French (fr)
Other versions
FR2373136B1 (it
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.)
RCA Corp
Original Assignee
RCA 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
Priority claimed from US05/748,025 external-priority patent/US4084071A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2373136A1 publication Critical patent/FR2373136A1/fr
Application granted granted Critical
Publication of FR2373136B1 publication Critical patent/FR2373136B1/fr
Granted 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
    • H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/054—Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
FR7736578A 1976-12-06 1977-12-05 Mecanisme de contact de commutation pour un clavier du type de calculateur Granted FR2373136A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74802676A 1976-12-06 1976-12-06
US05/748,025 US4084071A (en) 1976-12-06 1976-12-06 Switch mechanism for a calculator type keyboard

Publications (2)

Publication Number Publication Date
FR2373136A1 true FR2373136A1 (fr) 1978-06-30
FR2373136B1 FR2373136B1 (it) 1981-01-16

Family

ID=27114860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736578A Granted FR2373136A1 (fr) 1976-12-06 1977-12-05 Mecanisme de contact de commutation pour un clavier du type de calculateur

Country Status (8)

Country Link
JP (1) JPS6051216B2 (it)
CA (1) CA1104235A (it)
DE (1) DE2754296C3 (it)
FI (1) FI64477C (it)
FR (1) FR2373136A1 (it)
GB (1) GB1592283A (it)
IT (1) IT1088702B (it)
MX (1) MX3894E (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436970A (en) * 1982-06-07 1984-03-13 Methode Electronics, Inc. Switch assemblies
JPH044338Y2 (it) * 1985-05-31 1992-02-07
JPH0437138Y2 (it) * 1986-10-24 1992-09-01
GB2308499B (en) * 1995-12-22 2000-03-15 Nokia Mobile Phones Ltd A contact membrane for a keypad assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
DE7437240U (de) * 1974-11-08 1975-08-07 Blaupunkt Werke Gmbh Tastenschaltersystem

Also Published As

Publication number Publication date
IT1088702B (it) 1985-06-10
CA1104235A (en) 1981-06-30
FI64477B (fi) 1983-07-29
FI773604A (fi) 1978-06-07
FR2373136B1 (it) 1981-01-16
FI64477C (fi) 1983-11-10
JPS5386477A (en) 1978-07-29
DE2754296A1 (de) 1978-06-08
JPS6051216B2 (ja) 1985-11-13
MX3894E (es) 1981-09-08
DE2754296C3 (de) 1981-05-21
GB1592283A (en) 1981-07-01
DE2754296B2 (de) 1980-08-21

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Legal Events

Date Code Title Description
ST Notification of lapse