GB2119931B - Proximity detection devices - Google Patents

Proximity detection devices

Info

Publication number
GB2119931B
GB2119931B GB08213296A GB8213296A GB2119931B GB 2119931 B GB2119931 B GB 2119931B GB 08213296 A GB08213296 A GB 08213296A GB 8213296 A GB8213296 A GB 8213296A GB 2119931 B GB2119931 B GB 2119931B
Authority
GB
United Kingdom
Prior art keywords
detection devices
proximity detection
proximity
devices
detection
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
Application number
GB08213296A
Other versions
GB2119931A (en
Inventor
Graham Michael Stephens
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB08213296A priority Critical patent/GB2119931B/en
Publication of GB2119931A publication Critical patent/GB2119931A/en
Application granted granted Critical
Publication of GB2119931B publication Critical patent/GB2119931B/en
Expired 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
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector
    • 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
    • H03K2217/96071—Capacitive touch switches characterised by the detection principle
    • H03K2217/96072—Phase comparison, i.e. where a phase comparator receives at one input the signal directly from the oscillator, at a second input the same signal but delayed, with a delay depending on a sensing capacitance
GB08213296A 1982-05-07 1982-05-07 Proximity detection devices Expired GB2119931B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08213296A GB2119931B (en) 1982-05-07 1982-05-07 Proximity detection devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08213296A GB2119931B (en) 1982-05-07 1982-05-07 Proximity detection devices

Publications (2)

Publication Number Publication Date
GB2119931A GB2119931A (en) 1983-11-23
GB2119931B true GB2119931B (en) 1986-04-30

Family

ID=10530229

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08213296A Expired GB2119931B (en) 1982-05-07 1982-05-07 Proximity detection devices

Country Status (1)

Country Link
GB (1) GB2119931B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111983A (en) * 1983-11-22 1985-06-18 Honda Motor Co Ltd Object detecting apparatus
WO1985003820A1 (en) * 1984-02-16 1985-08-29 Antikidis Jean Pierre Method for scanning a keyboard with capacitive keys and keyboard provided with means for scanning a keyboard according to this method
FR2577365B2 (en) * 1985-02-11 1994-08-26 Antikidis Jean Pierre METHOD FOR SCRUTING A CAPACITIVE KEYBOARD AND AN ASSKED KEYBOARD
FR2566209B1 (en) * 1984-02-16 1990-01-05 Louis Frederic METHOD FOR SCRUTING A CAPACITIVE KEYBOARD, AND KEYBOARD MATCHED WITH MEANS FOR SCRUTING THIS KEYBOARD ACCORDING TO THIS METHOD
FR2569917B1 (en) * 1984-08-28 1991-04-12 Billaud Pierre ELECTRONIC DEVICE SENSITIVE TO VARIATIONS IN CAPACITY AND VARIOUS USES OF THIS DEVICE
GB8827880D0 (en) * 1988-11-29 1988-12-29 Keller R Electrically controlled lamp adaptor
GB9209364D0 (en) * 1992-04-30 1992-06-17 Varitronix Ltd A touch sensitive device
JP2784396B2 (en) * 1994-06-08 1998-08-06 セイコープレシジョン株式会社 Capacitive sensor
IT1313966B1 (en) 1999-12-24 2002-09-26 Whirlpool Co POTS AND SIMILAR PRESENCE DETECTOR ON COOKING APPLIANCES
DE10011229B4 (en) * 2000-03-08 2006-05-04 Grohe Water Technology Ag & Co. Kg touch sensor
EP2722988B1 (en) * 2012-10-16 2019-06-19 Diehl AKO Stiftung & Co. KG A method of the touch detection for capacitive touch sensors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1385765A (en) * 1972-04-06 1975-02-26 Electronic Music Studios Londo Data input devices
JPS5623536B2 (en) * 1973-01-22 1981-06-01
GB1525016A (en) * 1975-09-23 1978-09-20 Sefton P Electric touch or proximity switches
GB1553563A (en) * 1976-07-06 1979-09-26 Secr Defence Touch sensitive electrical switches
DD135817B1 (en) * 1978-04-17 1981-09-30 Albrecht Johne Capacitive control and evaluation device
DE2845494C2 (en) * 1978-10-19 1982-06-09 Euro Hausgeräte GmbH, 6680 Neunkirchen Circuit arrangement for operating a touch switch

Also Published As

Publication number Publication date
GB2119931A (en) 1983-11-23

Similar Documents

Publication Publication Date Title
DE3276272D1 (en) Evaluation devices
GB2123287B (en) Depilaton device
IE831358L (en) Detection circuit
DE3374748D1 (en) Program-selecting device
GB8316841D0 (en) Capacitive device
GB8313704D0 (en) End point detection
GB8309919D0 (en) Auto-unscrewing device
ZA839604B (en) Connection devices
GB8317602D0 (en) Boring-injection device
DE3366797D1 (en) Secret-speech device
IE830320L (en) Detecting circuit
GB2132485B (en) Electrotherapeutical device
GB2125187B (en) Tracking-servo device
GB8432243D0 (en) Detection device
GB8307088D0 (en) Retaining device
GB2130453B (en) Movement detection
GB2130470B (en) Ear-protection device
GB2119931B (en) Proximity detection devices
GB8317614D0 (en) Measuring devices
GB8305887D0 (en) Alarm device
GB8333700D0 (en) Detection device
GB2125970B (en) Proximity sensor
GB2120915B (en) Application device
DE3273908D1 (en) Optical proximity detection devices
GB8314781D0 (en) Warp-assembling device

Legal Events

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

Effective date: 19960507