GB2241064B - Touch sensing device - Google Patents

Touch sensing device

Info

Publication number
GB2241064B
GB2241064B GB9020766A GB9020766A GB2241064B GB 2241064 B GB2241064 B GB 2241064B GB 9020766 A GB9020766 A GB 9020766A GB 9020766 A GB9020766 A GB 9020766A GB 2241064 B GB2241064 B GB 2241064B
Authority
GB
United Kingdom
Prior art keywords
sensing device
touch sensing
touch
sensing
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
GB9020766A
Other versions
GB9020766D0 (en
GB2241064A (en
Inventor
York Liao
Michael Y S Chan
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.)
BOE Varitronix Ltd
Original Assignee
Varitronix 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 Varitronix Ltd filed Critical Varitronix Ltd
Publication of GB9020766D0 publication Critical patent/GB9020766D0/en
Priority to EP19910902266 priority Critical patent/EP0510057A1/en
Priority to AU70648/91A priority patent/AU636003B2/en
Priority to CA 2073676 priority patent/CA2073676A1/en
Priority to PCT/GB1991/000032 priority patent/WO1991011054A1/en
Publication of GB2241064A publication Critical patent/GB2241064A/en
Application granted granted Critical
Publication of GB2241064B publication Critical patent/GB2241064B/en
Priority to US08/316,070 priority patent/US5499026A/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
    • H03K17/9645—Resistive touch switches
GB9020766A 1990-01-11 1990-09-24 Touch sensing device Expired - Fee Related GB2241064B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19910902266 EP0510057A1 (en) 1990-01-11 1991-01-10 Touch sensing device
AU70648/91A AU636003B2 (en) 1990-01-11 1991-01-10 Touch sensing device
CA 2073676 CA2073676A1 (en) 1990-01-11 1991-01-10 Touch sensing device
PCT/GB1991/000032 WO1991011054A1 (en) 1990-01-11 1991-01-10 Touch sensing device
US08/316,070 US5499026A (en) 1990-01-11 1994-09-30 Conductive touch pad with capacitive blocking filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909000624A GB9000624D0 (en) 1990-01-11 1990-01-11 Touch sensing device

Publications (3)

Publication Number Publication Date
GB9020766D0 GB9020766D0 (en) 1990-11-07
GB2241064A GB2241064A (en) 1991-08-21
GB2241064B true GB2241064B (en) 1994-08-24

Family

ID=10669133

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909000624A Pending GB9000624D0 (en) 1990-01-11 1990-01-11 Touch sensing device
GB9020766A Expired - Fee Related GB2241064B (en) 1990-01-11 1990-09-24 Touch sensing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909000624A Pending GB9000624D0 (en) 1990-01-11 1990-01-11 Touch sensing device

Country Status (1)

Country Link
GB (2) GB9000624D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9209362D0 (en) * 1992-04-30 1992-06-17 Varitronix Ltd A contact sensitive substrate
FI98017C (en) * 1994-06-03 1997-03-25 Nokia Telecommunications Oy chipset
GB2293242B (en) * 1994-09-15 1998-11-18 Sony Uk Ltd Capacitive touch detection
JP2000172833A (en) * 1998-12-10 2000-06-23 Omron Corp Finger print collating device
JP2000200353A (en) 1998-12-29 2000-07-18 Omron Corp Fingerprint recognizing device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1378823A (en) * 1971-11-16 1974-12-27 Magic Dot Inc Touch sensitive electronic switch
GB1398612A (en) * 1971-06-02 1975-06-25 Matsushita Electric Ind Co Ltd Contactless switch
GB1498768A (en) * 1975-04-25 1978-01-25 Martinet R Electronic clock with capacitive resetting
GB1528668A (en) * 1975-07-18 1978-10-18 Master Specialties Co Digital switch with indicator
GB2060171A (en) * 1979-08-14 1981-04-29 Hill Rotherham Ltd Thoma A touch sensitive control
EP0080613A1 (en) * 1981-11-26 1983-06-08 Inventio Ag Touch-controlled capacitive switching device
EP0097498A1 (en) * 1982-06-18 1984-01-04 Fujitsu Limited Touch sensing device
US4651022A (en) * 1985-08-14 1987-03-17 Cowley Edward L Digital touch operated switch
WO1988005577A1 (en) * 1987-01-15 1988-07-28 Ronald Peter Binstead Improvements in or relating to touch keypad systems

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1398612A (en) * 1971-06-02 1975-06-25 Matsushita Electric Ind Co Ltd Contactless switch
GB1378823A (en) * 1971-11-16 1974-12-27 Magic Dot Inc Touch sensitive electronic switch
GB1498768A (en) * 1975-04-25 1978-01-25 Martinet R Electronic clock with capacitive resetting
GB1528668A (en) * 1975-07-18 1978-10-18 Master Specialties Co Digital switch with indicator
GB2060171A (en) * 1979-08-14 1981-04-29 Hill Rotherham Ltd Thoma A touch sensitive control
EP0080613A1 (en) * 1981-11-26 1983-06-08 Inventio Ag Touch-controlled capacitive switching device
EP0097498A1 (en) * 1982-06-18 1984-01-04 Fujitsu Limited Touch sensing device
US4651022A (en) * 1985-08-14 1987-03-17 Cowley Edward L Digital touch operated switch
WO1988005577A1 (en) * 1987-01-15 1988-07-28 Ronald Peter Binstead Improvements in or relating to touch keypad systems

Also Published As

Publication number Publication date
GB9020766D0 (en) 1990-11-07
GB9000624D0 (en) 1990-03-14
GB2241064A (en) 1991-08-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020924