GB2234352B - Touch sensitive switches - Google Patents

Touch sensitive switches

Info

Publication number
GB2234352B
GB2234352B GB8916980A GB8916980A GB2234352B GB 2234352 B GB2234352 B GB 2234352B GB 8916980 A GB8916980 A GB 8916980A GB 8916980 A GB8916980 A GB 8916980A GB 2234352 B GB2234352 B GB 2234352B
Authority
GB
United Kingdom
Prior art keywords
touch sensitive
sensitive switches
switches
touch
sensitive
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 - Fee Related
Application number
GB8916980A
Other versions
GB2234352A (en
GB8916980D0 (en
Inventor
Christopher James Cooper
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.)
Diamond H Controls Ltd
Original Assignee
Diamond H Controls Ltd
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 Diamond H Controls Ltd filed Critical Diamond H Controls Ltd
Priority to GB8916980A priority Critical patent/GB2234352B/en
Publication of GB8916980D0 publication Critical patent/GB8916980D0/en
Publication of GB2234352A publication Critical patent/GB2234352A/en
Application granted granted Critical
Publication of GB2234352B publication Critical patent/GB2234352B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/016—Protection layer, e.g. for legend, anti-scratch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H01H2209/084—Glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/96077—Constructional details of capacitive touch and proximity switches comprising an electrode which is floating
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960775—Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes
GB8916980A 1989-07-25 1989-07-25 Touch sensitive switches Expired - Fee Related GB2234352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8916980A GB2234352B (en) 1989-07-25 1989-07-25 Touch sensitive switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8916980A GB2234352B (en) 1989-07-25 1989-07-25 Touch sensitive switches

Publications (3)

Publication Number Publication Date
GB8916980D0 GB8916980D0 (en) 1989-09-13
GB2234352A GB2234352A (en) 1991-01-30
GB2234352B true GB2234352B (en) 1994-05-18

Family

ID=10660588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8916980A Expired - Fee Related GB2234352B (en) 1989-07-25 1989-07-25 Touch sensitive switches

Country Status (1)

Country Link
GB (1) GB2234352B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066937A (en) * 1990-06-24 1991-11-19 Barkley & Dexter Laboratories Search coil assembly with laminate frame members and method for making same
DE202004004881U1 (en) * 2004-03-29 2004-06-09 Dickert Electronic Gmbh code lock
EP1760886B1 (en) 2005-08-19 2011-04-20 E.G.O. Control Systems GmbH Sensor device
DE102005059067B4 (en) * 2005-12-08 2014-07-10 FELA GmbH Capacitive keyboard device
SI22353A (en) 2006-08-28 2008-02-29 Gorenje Gospodinjski Aparati, D.D. Touch-sensitive oil and switch based thereof
DE102008052324B4 (en) * 2008-10-20 2010-09-30 Ident Technology Ag Switch device for hob

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2016704A (en) * 1978-03-16 1979-09-26 Texas Instruments Inc Capacitive Touch Switch Panel and Method of Fabricating Same
GB2060895A (en) * 1979-09-28 1981-05-07 Bfg Glassgroup Capacitive touch control switch panels and method of manufacturing them
GB2090979A (en) * 1981-01-14 1982-07-21 Glaverbel Proximity control switching panels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2016704A (en) * 1978-03-16 1979-09-26 Texas Instruments Inc Capacitive Touch Switch Panel and Method of Fabricating Same
GB2060895A (en) * 1979-09-28 1981-05-07 Bfg Glassgroup Capacitive touch control switch panels and method of manufacturing them
GB2090979A (en) * 1981-01-14 1982-07-21 Glaverbel Proximity control switching panels

Also Published As

Publication number Publication date
GB2234352A (en) 1991-01-30
GB8916980D0 (en) 1989-09-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950725