DE2754296C3 - Druckschalter - Google Patents

Druckschalter

Info

Publication number
DE2754296C3
DE2754296C3 DE2754296A DE2754296A DE2754296C3 DE 2754296 C3 DE2754296 C3 DE 2754296C3 DE 2754296 A DE2754296 A DE 2754296A DE 2754296 A DE2754296 A DE 2754296A DE 2754296 C3 DE2754296 C3 DE 2754296C3
Authority
DE
Germany
Prior art keywords
contact
pressure switch
switch according
plate
conductor
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
DE2754296A
Other languages
German (de)
English (en)
Other versions
DE2754296A1 (de
DE2754296B2 (de
Inventor
Theodore Dennis Indianapolis Ind. Smith
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 Licensing 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 DE2754296A1 publication Critical patent/DE2754296A1/de
Publication of DE2754296B2 publication Critical patent/DE2754296B2/de
Application granted granted Critical
Publication of DE2754296C3 publication Critical patent/DE2754296C3/de
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
    • 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)
DE2754296A 1976-12-06 1977-12-06 Druckschalter Expired DE2754296C3 (de)

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 (3)

Publication Number Publication Date
DE2754296A1 DE2754296A1 (de) 1978-06-08
DE2754296B2 DE2754296B2 (de) 1980-08-21
DE2754296C3 true DE2754296C3 (de) 1981-05-21

Family

ID=27114860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2754296A Expired DE2754296C3 (de) 1976-12-06 1977-12-06 Druckschalter

Country Status (8)

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

Families Citing this family (3)

* 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 (show.php) * 1985-05-31 1992-02-07
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
FI773604A7 (fi) 1978-06-07
JPS5386477A (en) 1978-07-29
CA1104235A (en) 1981-06-30
FR2373136B1 (show.php) 1981-01-16
DE2754296A1 (de) 1978-06-08
FI64477C (fi) 1983-11-10
MX3894E (es) 1981-09-08
DE2754296B2 (de) 1980-08-21
FR2373136A1 (fr) 1978-06-30
JPS6051216B2 (ja) 1985-11-13
FI64477B (fi) 1983-07-29
GB1592283A (en) 1981-07-01
IT1088702B (it) 1985-06-10

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: RCA LICENSING CORP., PRINCETON, N.J., US

8339 Ceased/non-payment of the annual fee