GB2043352B - Pushbutton switch assembly for telecommunications and other input apparatus - Google Patents

Pushbutton switch assembly for telecommunications and other input apparatus

Info

Publication number
GB2043352B
GB2043352B GB8003336A GB8003336A GB2043352B GB 2043352 B GB2043352 B GB 2043352B GB 8003336 A GB8003336 A GB 8003336A GB 8003336 A GB8003336 A GB 8003336A GB 2043352 B GB2043352 B GB 2043352B
Authority
GB
United Kingdom
Prior art keywords
telecommunications
switch assembly
input apparatus
pushbutton switch
pushbutton
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
GB8003336A
Other versions
GB2043352A (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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of GB2043352A publication Critical patent/GB2043352A/en
Application granted granted Critical
Publication of GB2043352B publication Critical patent/GB2043352B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/144—Stacked arrangements of planar printed circuit boards
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
    • H05K1/053—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
  • Telephonic Communication Services (AREA)
  • Input From Keyboards Or The Like (AREA)
GB8003336A 1979-02-02 1980-01-31 Pushbutton switch assembly for telecommunications and other input apparatus Expired GB2043352B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA320,732A CA1100165A (en) 1979-02-02 1979-02-02 Pushbutton switch assembly for telecommunications and other input apparatus

Publications (2)

Publication Number Publication Date
GB2043352A GB2043352A (en) 1980-10-01
GB2043352B true GB2043352B (en) 1983-04-13

Family

ID=4113441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003336A Expired GB2043352B (en) 1979-02-02 1980-01-31 Pushbutton switch assembly for telecommunications and other input apparatus

Country Status (9)

Country Link
JP (1) JPS55124914A (en)
BE (1) BE881507A (en)
CA (1) CA1100165A (en)
DE (1) DE3003715A1 (en)
FR (1) FR2448218A1 (en)
GB (1) GB2043352B (en)
IT (1) IT1193911B (en)
NO (1) NO153197C (en)
SE (1) SE440567B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130159C2 (en) * 1981-07-30 1987-02-05 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Process for manufacturing printed circuit boards
JPH049706Y2 (en) * 1984-09-13 1992-03-11
GB2250380B (en) * 1990-11-27 1995-01-04 Ist Lab Ltd Switch apparatus
GB2308499B (en) * 1995-12-22 2000-03-15 Nokia Mobile Phones Ltd A contact membrane for a keypad assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990023A (en) * 1961-03-13 1965-04-22 Ass Elect Ind Improvements relating to printed electrical circults
US3843851A (en) * 1971-09-17 1974-10-22 Canon Kk A rigid compact electronic computer
US3898421A (en) * 1972-08-18 1975-08-05 Matsushita Electric Ind Co Ltd Push button switch with elastic conductive sheet
AR204336A1 (en) * 1973-12-17 1975-12-22 Texas Instruments Inc KEYBOARD PIECE
CA1019374A (en) * 1975-04-16 1977-10-18 Cornelis W. Reedyk Multi-contact push-button switch
CA1034175A (en) * 1975-04-16 1978-07-04 Pak-Jong Chu Multi-contact push-button switch
US3969600A (en) * 1975-06-11 1976-07-13 Burroughs Corporation Tactile feedback keyboard switch assembly and actuator

Also Published As

Publication number Publication date
FR2448218B1 (en) 1984-02-24
NO153197C (en) 1986-01-29
IT1193911B (en) 1988-08-31
NO153197B (en) 1985-10-21
NO800228L (en) 1980-08-04
IT8019650A0 (en) 1980-02-01
CA1100165A (en) 1981-04-28
DE3003715A1 (en) 1980-08-14
FR2448218A1 (en) 1980-08-29
GB2043352A (en) 1980-10-01
SE440567B (en) 1985-08-05
JPS55124914A (en) 1980-09-26
SE8000792L (en) 1980-08-03
BE881507A (en) 1980-08-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee