BE769937A - ELASTIC DIAPHRAGM SWITCH SET AND ASSOCIATED LOGIC CIRCUITS - Google Patents

ELASTIC DIAPHRAGM SWITCH SET AND ASSOCIATED LOGIC CIRCUITS

Info

Publication number
BE769937A
BE769937A BE769937A BE769937A BE769937A BE 769937 A BE769937 A BE 769937A BE 769937 A BE769937 A BE 769937A BE 769937 A BE769937 A BE 769937A BE 769937 A BE769937 A BE 769937A
Authority
BE
Belgium
Prior art keywords
logic circuits
elastic diaphragm
switch set
associated logic
diaphragm switch
Prior art date
Application number
BE769937A
Other languages
French (fr)
Inventor
F S Wiedmer
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BE769937A publication Critical patent/BE769937A/en

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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/22—Static coding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/012—Connections via underside of substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/012—Connections via underside of substrate
    • H01H2207/014—Plated through holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/016—Jumpers; Cross-overs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/016—Pressure reduction membrane; Spreader layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/058—Actuators to avoid tilting or skewing of contact area or actuator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/032—Screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/026—Internal encoding, e.g. validity bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
BE769937A 1970-07-13 1971-07-13 ELASTIC DIAPHRAGM SWITCH SET AND ASSOCIATED LOGIC CIRCUITS BE769937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5430070A 1970-07-13 1970-07-13

Publications (1)

Publication Number Publication Date
BE769937A true BE769937A (en) 1971-11-16

Family

ID=21990102

Family Applications (1)

Application Number Title Priority Date Filing Date
BE769937A BE769937A (en) 1970-07-13 1971-07-13 ELASTIC DIAPHRAGM SWITCH SET AND ASSOCIATED LOGIC CIRCUITS

Country Status (7)

Country Link
US (1) US3676615A (en)
JP (1) JPS5229576B1 (en)
BE (1) BE769937A (en)
CA (1) CA936475A (en)
DE (1) DE2134600C3 (en)
FR (1) FR2098024A5 (en)
GB (1) GB1337083A (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31942E (en) * 1971-03-01 1985-07-09 High speed serial scan and readout of keyboards
US3743797A (en) * 1971-08-30 1973-07-03 Bell Telephone Labor Inc Stroke coded keyboard switch assembly
JPS557569B2 (en) * 1972-02-16 1980-02-26
US3786496A (en) * 1972-07-25 1974-01-15 Gte Automatic Electric Lab Inc Key pad control arrangement
JPS545651B2 (en) * 1972-08-31 1979-03-19
US3803592A (en) * 1972-09-11 1974-04-09 Donnelly Mirrors Inc Keyboard and digital circuit therefor
US3773998A (en) * 1972-10-16 1973-11-20 Chomerics Inc Pedestal and spring member for key actuator of diaphragm switch
US3798639A (en) * 1973-01-03 1974-03-19 Epoch Co Ltd Encoding switch for educational device
US3815127A (en) * 1973-03-20 1974-06-04 Control Data Corp Data entry device
US3973255A (en) * 1973-04-05 1976-08-03 Freeman Alfred B Touch responsive keyboard apparatus
US3862381A (en) * 1973-10-29 1975-01-21 Chomerics Inc Keyboard switch assembly with multilayer, coextensive contactor means
US3862382A (en) * 1973-10-29 1975-01-21 Chomerics Inc Keyboards switch assembly with multilayer pattern contact means
JPS5076929A (en) * 1973-11-08 1975-06-24
JPS5094835A (en) * 1973-12-14 1975-07-28
US3925779A (en) * 1974-07-10 1975-12-09 Suzanne Gerstenhaber Message communicator for handicapped persons
US3959610A (en) * 1974-12-13 1976-05-25 Motorola, Inc. Hermetically sealed keyboard type assembly with elastomeric electrical connecting link between switch and component modules
US4085306A (en) * 1977-06-09 1978-04-18 Kb-Denver, Inc. Keyboard switch assemblies
US4228329A (en) * 1978-06-26 1980-10-14 Hitachi, Ltd. Compact keyboard structure
US4224602A (en) * 1978-12-04 1980-09-23 Gte Sylvania Incorporated Signalling device
US4246452A (en) * 1979-01-05 1981-01-20 Mattel, Inc. Switch apparatus
US4293855A (en) * 1979-12-31 1981-10-06 Perkins Arthur T Communication device
US4376239A (en) * 1980-10-03 1983-03-08 Allen-Bradley Company Industrial membrane switch
US4350857A (en) * 1980-10-03 1982-09-21 Allen-Bradley Company Illuminated industrial membrane switch
DE3111371C2 (en) * 1981-03-23 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Keypad
DE3208559C2 (en) * 1982-03-10 1985-12-05 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt keyboard
GB9004532D0 (en) * 1990-02-28 1990-04-25 Lucas Ind Plc Switch assembly
DE9200205U1 (en) * 1992-01-10 1993-02-04 Dyna Systems GmbH, 8999 Scheidegg Input keyboard for special environmental conditions
US5545866A (en) * 1995-03-31 1996-08-13 Delco Electronics Corp. Non-stick painted pushbutton assembly
US5900829A (en) * 1996-07-23 1999-05-04 Motorola, Inc. Method of and apparatus for detecting key actuations
EP1713108B1 (en) * 2005-04-14 2011-02-09 Leopold Kostal GmbH & Co. KG Key assembly for electric or electronic device in a vehicle
WO2019202688A1 (en) * 2018-04-18 2019-10-24 三菱電機株式会社 Switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120584A (en) * 1960-11-29 1964-02-04 Western Electric Co Multisurface cross point switching mechanisms
US3308253A (en) * 1965-03-25 1967-03-07 Ibm Diaphragm switch having a diaphragm supported on an incompressible layer and an elastomer overlaying the diaphragm
US3350518A (en) * 1966-02-11 1967-10-31 Ibm Reader for punched record
US3382338A (en) * 1966-04-26 1968-05-07 Ibm Pushbutton actuator for elastomeric switch
US3551616A (en) * 1969-01-15 1970-12-29 Ibm Multiple switch encoding device

Also Published As

Publication number Publication date
JPS5229576B1 (en) 1977-08-03
JPS472756A (en) 1972-02-10
GB1337083A (en) 1973-11-14
DE2134600A1 (en) 1972-02-24
DE2134600C3 (en) 1980-01-17
CA936475A (en) 1973-11-06
DE2134600B2 (en) 1979-05-03
FR2098024A5 (en) 1972-03-03
US3676615A (en) 1972-07-11

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