FI64477C - Tryckkopplare - Google Patents

Tryckkopplare Download PDF

Info

Publication number
FI64477C
FI64477C FI773604A FI773604A FI64477C FI 64477 C FI64477 C FI 64477C FI 773604 A FI773604 A FI 773604A FI 773604 A FI773604 A FI 773604A FI 64477 C FI64477 C FI 64477C
Authority
FI
Finland
Prior art keywords
contact
plate
switch according
coupling
cross
Prior art date
Application number
FI773604A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI64477B (fi
FI773604A (fi
Inventor
Theodore Dennis Smith
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 FI773604A publication Critical patent/FI773604A/fi
Publication of FI64477B publication Critical patent/FI64477B/fi
Application granted granted Critical
Publication of FI64477C publication Critical patent/FI64477C/fi

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)
FI773604A 1976-12-06 1977-11-29 Tryckkopplare FI64477C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US74802676A 1976-12-06 1976-12-06
US74802576 1976-12-06
US05/748,025 US4084071A (en) 1976-12-06 1976-12-06 Switch mechanism for a calculator type keyboard
US74802676 1976-12-06

Publications (3)

Publication Number Publication Date
FI773604A FI773604A (fi) 1978-06-07
FI64477B FI64477B (fi) 1983-07-29
FI64477C true FI64477C (fi) 1983-11-10

Family

ID=27114860

Family Applications (1)

Application Number Title Priority Date Filing Date
FI773604A FI64477C (fi) 1976-12-06 1977-11-29 Tryckkopplare

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
FR2373136A1 (fr) 1978-06-30
CA1104235A (en) 1981-06-30
FI64477B (fi) 1983-07-29
FI773604A (fi) 1978-06-07
FR2373136B1 (it) 1981-01-16
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
MM Patent lapsed

Owner name: RCA CORPORATION