GB9800757D0 - Membrane circuits - Google Patents

Membrane circuits

Info

Publication number
GB9800757D0
GB9800757D0 GBGB9800757.8A GB9800757A GB9800757D0 GB 9800757 D0 GB9800757 D0 GB 9800757D0 GB 9800757 A GB9800757 A GB 9800757A GB 9800757 D0 GB9800757 D0 GB 9800757D0
Authority
GB
United Kingdom
Prior art keywords
membrane circuits
membrane
circuits
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Withdrawn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
GBGB9800757.8A
Other versions
GB2333401A (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.)
ZF Electronics UK Ltd
Cherry Corp
Original Assignee
Cherry Electrical Products Ltd
Cherry Electrical Products 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 Cherry Electrical Products Ltd, Cherry Electrical Products Corp filed Critical Cherry Electrical Products Ltd
Priority to GB9800757A priority Critical patent/GB2333401A/en
Publication of GB9800757D0 publication Critical patent/GB9800757D0/en
Publication of GB2333401A publication Critical patent/GB2333401A/en
Withdrawn legal-status Critical Current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
    • H05K1/03—Use of materials for the substrate
    • H05K1/0313—Organic insulating material
    • 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
    • H01H2209/046—Properties of the spacer
    • H01H2209/05—Paper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/072—Paper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/002—Screen printing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/058—Curing or vulcanising of rubbers
GB9800757A 1998-01-14 1998-01-14 Paper membrane for use in a membrane circuit Withdrawn GB2333401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9800757A GB2333401A (en) 1998-01-14 1998-01-14 Paper membrane for use in a membrane circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9800757A GB2333401A (en) 1998-01-14 1998-01-14 Paper membrane for use in a membrane circuit

Publications (2)

Publication Number Publication Date
GB9800757D0 true GB9800757D0 (en) 1998-03-11
GB2333401A GB2333401A (en) 1999-07-21

Family

ID=10825274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9800757A Withdrawn GB2333401A (en) 1998-01-14 1998-01-14 Paper membrane for use in a membrane circuit

Country Status (1)

Country Link
GB (1) GB2333401A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6884029B2 (en) 2002-09-26 2005-04-26 Siemens Westinghouse Power Corporation Heat-tolerated vortex-disrupting fluid guide component
DE102005002149A1 (en) * 2005-01-17 2006-07-20 Printed Systems Gmbh Keyboard and method of making a keyboard
KR100938684B1 (en) * 2007-10-16 2010-01-25 코오롱글로텍주식회사 Electronic fabric and preparing thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420663A (en) * 1980-12-08 1983-12-13 Oak Industries Inc. Material for electrical devices having a flexible member
GB9513175D0 (en) * 1995-06-28 1995-08-30 Hasbro Int Inc Improvements relating to pressure pads

Also Published As

Publication number Publication date
GB2333401A (en) 1999-07-21

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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)