GB8718504D0 - Key switching device - Google Patents

Key switching device

Info

Publication number
GB8718504D0
GB8718504D0 GB878718504A GB8718504A GB8718504D0 GB 8718504 D0 GB8718504 D0 GB 8718504D0 GB 878718504 A GB878718504 A GB 878718504A GB 8718504 A GB8718504 A GB 8718504A GB 8718504 D0 GB8718504 D0 GB 8718504D0
Authority
GB
United Kingdom
Prior art keywords
switching device
key switching
key
switching
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.)
Withdrawn
Application number
GB878718504A
Other versions
GB2195102A (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.)
Schoeller and Co Elektrotecnische Fabrik GmbH and Co
Original Assignee
Schoeller and Co Elektrotecnische Fabrik GmbH and Co
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 Schoeller and Co Elektrotecnische Fabrik GmbH and Co filed Critical Schoeller and Co Elektrotecnische Fabrik GmbH and Co
Publication of GB8718504D0 publication Critical patent/GB8718504D0/en
Publication of GB2195102A publication Critical patent/GB2195102A/en
Withdrawn legal-status Critical Current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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/46—Knobs or handles, push-buttons, grips
    • B29L2031/466—Keypads, keytops
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/002—Materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H01H2229/046—Multi-colour or double shot injection moulding
GB08718504A 1986-08-14 1987-08-05 Method of making a key switching device Withdrawn GB2195102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863627554 DE3627554A1 (en) 1986-08-14 1986-08-14 METHOD FOR PRODUCING A KEY SWITCHING DEVICE AND KEY SWITCHING DEVICE

Publications (2)

Publication Number Publication Date
GB8718504D0 true GB8718504D0 (en) 1987-09-09
GB2195102A GB2195102A (en) 1988-03-30

Family

ID=6307367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08718504A Withdrawn GB2195102A (en) 1986-08-14 1987-08-05 Method of making a key switching device

Country Status (4)

Country Link
DE (1) DE3627554A1 (en)
FR (1) FR2602909A1 (en)
GB (1) GB2195102A (en)
IT (1) IT1222452B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611507B2 (en) * 1986-10-08 1994-02-16 末広産業株式会社 Molding method for resin molded product having a plurality of movable protrusions
JPH02146725U (en) * 1989-05-16 1990-12-13
JP2699936B2 (en) * 1995-06-06 1998-01-19 日本電気株式会社 Method for producing composite molded body
DE19844614C1 (en) * 1998-09-29 2000-11-02 Veeser Plastik Werk Gmbh & Co Circuit board for foil keyboard has circuit foil incorporating key contacts applied to profiled carrier substrate and overlaid with spacer element having complementary surface profile
EP0999515A3 (en) * 1998-11-02 2001-08-29 PSC Scanning, Inc. Multi-stage trigger for a data reading device
CN100431080C (en) * 2005-04-29 2008-11-05 乐金电子（昆山）电脑有限公司 Press button module and its producing method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476900A1 (en) * 1980-02-27 1981-08-28 Telephonie Ind Commerciale PUSH BUTTON FOR CONTROL KEYBOARD AND METHOD OF MAKING SAME
US4425263A (en) * 1981-06-03 1984-01-10 E. I. Du Pont De Nemours & Co. Flexible screen-printable conductive composition
DE3144084C2 (en) * 1981-11-06 1988-08-18 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Process for the manufacture of a contact mat suitable for a push button panel
DE3307659C2 (en) * 1983-03-04 1986-10-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Push button switch
JPS60110938U (en) * 1983-12-28 1985-07-27 日通工株式会社 Contact structure in key switch

Also Published As

Publication number Publication date
IT8721599A0 (en) 1987-08-06
IT1222452B (en) 1990-09-05
FR2602909A1 (en) 1988-02-19
GB2195102A (en) 1988-03-30
DE3627554A1 (en) 1988-02-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)