CA2118544A1 - Claviers numeriques elastomeriques a fiabilite accrue et leur methode de fabrication - Google Patents

Claviers numeriques elastomeriques a fiabilite accrue et leur methode de fabrication

Info

Publication number
CA2118544A1
CA2118544A1 CA002118544A CA2118544A CA2118544A1 CA 2118544 A1 CA2118544 A1 CA 2118544A1 CA 002118544 A CA002118544 A CA 002118544A CA 2118544 A CA2118544 A CA 2118544A CA 2118544 A1 CA2118544 A1 CA 2118544A1
Authority
CA
Canada
Prior art keywords
elastomeric
keypad
keypads
buttons
skin oil
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.)
Abandoned
Application number
CA002118544A
Other languages
English (en)
Inventor
Henry W. Krautter
Amy Jean Muller
James Douglas Sinclair
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2118544A1 publication Critical patent/CA2118544A1/fr
Abandoned 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/002—Materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manufacture Of Switches (AREA)
  • Push-Button Switches (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
CA002118544A 1993-12-30 1994-10-20 Claviers numeriques elastomeriques a fiabilite accrue et leur methode de fabrication Abandoned CA2118544A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17636193A 1993-12-30 1993-12-30
US176,361 1993-12-30

Publications (1)

Publication Number Publication Date
CA2118544A1 true CA2118544A1 (fr) 1995-07-01

Family

ID=22644045

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118544A Abandoned CA2118544A1 (fr) 1993-12-30 1994-10-20 Claviers numeriques elastomeriques a fiabilite accrue et leur methode de fabrication

Country Status (5)

Country Link
JP (1) JPH07220553A (fr)
KR (1) KR950022553A (fr)
CA (1) CA2118544A1 (fr)
GB (1) GB2285340A (fr)
IL (1) IL112161A0 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4406457B2 (ja) 2004-10-06 2010-01-27 ダイキン工業株式会社 防汚性および層間密着性に優れる積層体およびその製造法
GB0703172D0 (en) 2007-02-19 2007-03-28 Pa Knowledge Ltd Printed circuit boards
JP5645821B2 (ja) 2008-08-18 2014-12-24 センブラント リミテッド ハロ炭化水素ポリマーコーティング
GB2462823A (en) * 2008-08-18 2010-02-24 Crombie 123 Ltd A switch
US8995146B2 (en) 2010-02-23 2015-03-31 Semblant Limited Electrical assembly and method
GB201621177D0 (en) 2016-12-13 2017-01-25 Semblant Ltd Protective coating

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR93239E (fr) * 1967-01-02 1969-02-28 Ugine Kuhlmann Nouveaux composés organiques fluorés.
EP0233296A4 (fr) * 1985-08-16 1989-06-21 Fuji Rubber Co Ltd Caoutchouc de contact.

Also Published As

Publication number Publication date
IL112161A0 (en) 1995-03-15
KR950022553A (ko) 1995-07-28
GB2285340A (en) 1995-07-05
JPH07220553A (ja) 1995-08-18
GB9424640D0 (en) 1995-02-01

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued