CA1173480A - Membrane keyboard and method of formation thereof - Google Patents

Membrane keyboard and method of formation thereof

Info

Publication number
CA1173480A
CA1173480A CA000385050A CA385050A CA1173480A CA 1173480 A CA1173480 A CA 1173480A CA 000385050 A CA000385050 A CA 000385050A CA 385050 A CA385050 A CA 385050A CA 1173480 A CA1173480 A CA 1173480A
Authority
CA
Canada
Prior art keywords
switch
contact
electrical
layer
pattern
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
CA000385050A
Other languages
English (en)
French (fr)
Inventor
Frederick A. Balash
James B. Daugherty
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.)
Rogers Corp
Original Assignee
Rogers 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
Application filed by Rogers Corp filed Critical Rogers Corp
Application granted granted Critical
Publication of CA1173480A publication Critical patent/CA1173480A/en
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
    • H01H13/702—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
    • 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
    • H01H13/703—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 characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/018—Layers flat, smooth or ripple-free
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/004—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/006—Individual areas
    • H01H2211/01—Ink
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/022—Spacers for larger actuation area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H01H2227/01—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/03—Avoiding erroneous switching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Landscapes

  • Push-Button Switches (AREA)
CA000385050A 1980-09-22 1981-09-02 Membrane keyboard and method of formation thereof Expired CA1173480A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US189,119 1980-09-22
US06/189,119 US4382165A (en) 1980-09-22 1980-09-22 Membrane keyboard and method of formation thereof

Publications (1)

Publication Number Publication Date
CA1173480A true CA1173480A (en) 1984-08-28

Family

ID=22696010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000385050A Expired CA1173480A (en) 1980-09-22 1981-09-02 Membrane keyboard and method of formation thereof

Country Status (6)

Country Link
US (1) US4382165A (OSRAM)
CA (1) CA1173480A (OSRAM)
DE (1) DE3135164A1 (OSRAM)
FR (1) FR2490900A1 (OSRAM)
GB (1) GB2084405B (OSRAM)
IT (1) IT1139160B (OSRAM)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555601A (en) * 1982-01-29 1985-11-26 Sharp Kabushiki Kaisha Membrane keyboard
US4463232A (en) * 1982-06-10 1984-07-31 Toho- Polymer Kabushiki Kaisha Membrane switch having spacer posts
US4488017A (en) * 1983-02-07 1984-12-11 Amiga Corporation Control unit for video games and the like
DE3320116A1 (de) * 1983-06-03 1984-12-06 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Tastschaltvorrichtung
JPS6098231U (ja) * 1983-12-10 1985-07-04 アルプス電気株式会社 メンブレンスイツチ
DE3527561A1 (de) * 1985-08-01 1987-02-05 Schoeller & Co Elektrotech Herstellungsverfahren fuer einen folientastschalter und folientastschalter
GB8606457D0 (en) * 1986-03-15 1986-04-23 Chrome Print Ltd Membrane switch
US4694126A (en) * 1986-05-29 1987-09-15 Amp Incorporated Membrane keyboard switch assembly having spacer structure and method of making
US4801771A (en) * 1986-10-13 1989-01-31 Yamaha Corporation Force sensitive device
US4795861A (en) * 1987-11-17 1989-01-03 W. H. Brady Co. Membrane switch element with coated spacer layer
US4864084A (en) * 1988-02-18 1989-09-05 C.A.M. Graphics, Co., Inc. Membrane-type touch panel
JP2683148B2 (ja) * 1990-09-04 1997-11-26 アルプス電気株式会社 透明タツチスイツチ
DE4202438C2 (de) * 1992-01-29 1993-12-09 Siemens Ag Bedienpaneel für ein zahnärztliches Gerät
US5358579A (en) * 1992-02-07 1994-10-25 Matsushita Electric Industrial Co., Ltd. Method for manufacturing a panel switch attached to electronic apparatus
AU663640B2 (en) * 1993-02-22 1995-10-12 Illinois Tool Works Inc. Membrane switch
US5684279A (en) * 1995-09-12 1997-11-04 Key Tronic Corporation Computer keyboard with improved membrane keyswitch structure having deflection concentration feature
WO2003025961A1 (de) * 2001-09-19 2003-03-27 Iee International Electronics & Engineering S.A. Schaltelement in folienbauweise
US7187264B2 (en) * 2003-02-20 2007-03-06 Iee International Electronics & Engineering S.A. Foil-type switching element with improved spacer design
US20090159192A1 (en) * 2007-12-21 2009-06-25 Roger Bannister Method of Manufacturing a Polypropylene Pinch Bag
WO2011138200A1 (en) * 2010-05-06 2011-11-10 Iee International Electronics & Engineering S.A. Input device
FR3027153B1 (fr) * 2014-10-14 2021-06-18 Seribase Ind Procede de realisation d'un contacteur electrique
IT201700006845A1 (it) 2017-01-23 2018-07-23 B810 Soc A Responsabilita Limitata Sensore di pressione

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856998A (en) 1973-06-01 1974-12-24 Burroughs Corp Keyboard switch assembly with improved operating means
US3969600A (en) 1975-06-11 1976-07-13 Burroughs Corporation Tactile feedback keyboard switch assembly and actuator
US4017697A (en) * 1975-09-15 1977-04-12 Globe-Union Inc. Keyboard membrane switch having threshold force structure
GB2064873B (en) 1979-11-26 1984-09-05 Eventoff Franklin Neal Pressure sensitive electric switch
US4264797A (en) * 1980-01-21 1981-04-28 W. H. Brady Co. Elongated key membrane switch
US4336529A (en) * 1980-02-19 1982-06-22 Pitney Bowes Inc. Postage meter having shielded keyboard to protect against electromagnetic radiation
US4317013A (en) * 1980-04-09 1982-02-23 Oak Industries, Inc. Membrane switch with universal spacer means

Also Published As

Publication number Publication date
US4382165A (en) 1983-05-03
DE3135164A1 (de) 1982-05-06
FR2490900A1 (fr) 1982-03-26
GB2084405B (en) 1985-05-30
IT1139160B (it) 1986-09-24
FR2490900B1 (OSRAM) 1985-03-08
GB2084405A (en) 1982-04-07
IT8123960A0 (it) 1981-09-14

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry