GB8706278D0 - Switch - Google Patents
SwitchInfo
- Publication number
- GB8706278D0 GB8706278D0 GB878706278A GB8706278A GB8706278D0 GB 8706278 D0 GB8706278 D0 GB 8706278D0 GB 878706278 A GB878706278 A GB 878706278A GB 8706278 A GB8706278 A GB 8706278A GB 8706278 D0 GB8706278 D0 GB 8706278D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- 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- Withdrawn
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
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
-
- 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
- H03K17/9627—Optical touch switches
- H03K17/9629—Optical touch switches using a plurality of detectors, e.g. keyboard
-
- 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
- H03K17/9627—Optical touch switches
- H03K17/9631—Optical touch switches using a light source as part of the switch
-
- 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
- H03K2217/9401—Calibration techniques
- H03K2217/94026—Automatic threshold calibration; e.g. threshold automatically adapts to ambient conditions or follows variation of input
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848424023A GB8424023D0 (en) | 1984-09-22 | 1984-09-22 | Switch |
PCT/GB1985/000434 WO1986001953A1 (en) | 1984-09-22 | 1985-09-20 | Switch |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8706278D0 true GB8706278D0 (en) | 1987-04-23 |
GB2190488A GB2190488A (en) | 1987-11-18 |
Family
ID=10567129
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB848424023A Pending GB8424023D0 (en) | 1984-09-22 | 1984-09-22 | Switch |
GB08706278A Withdrawn GB2190488A (en) | 1984-09-22 | 1985-09-20 | Switch |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB848424023A Pending GB8424023D0 (en) | 1984-09-22 | 1984-09-22 | Switch |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0227677A1 (en) |
GB (2) | GB8424023D0 (en) |
WO (1) | WO1986001953A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912388A (en) * | 1985-08-02 | 1990-03-27 | Canon Kabushiki Kaisha | Drive control device operating a drive mechanism |
DE3715497A1 (en) * | 1987-05-09 | 1988-11-17 | Braun Ag | SAFETY SWITCHING DEVICE FOR CONTROLLING A POWER CONSUMER |
NZ235645A (en) * | 1989-10-26 | 1993-09-27 | Alcatel Australia | Electronic touch switch uses light reflection |
DE4007971A1 (en) * | 1990-03-13 | 1991-09-19 | Gaggenau Werke | DEVICE FOR SWITCHING ELECTRICAL DEVICES |
EP0558871A1 (en) * | 1992-03-03 | 1993-09-08 | Elma Electronic Ag | Touch-key switch having a layered structure |
IT1281770B1 (en) * | 1995-03-27 | 1998-03-03 | Castellini Spa | CONTROL SYSTEM FOR FUNCTION SELECTORS, PARTICULARLY APPLICABLE ON DENTAL EQUIPMENT |
DE10001943C2 (en) | 2000-01-18 | 2001-12-06 | Gerd Reime | Device and method for evaluating a useful signal originating from a proximity sensor |
DE10001955A1 (en) * | 2000-01-18 | 2001-07-19 | Gerd Reime | Optoelectronic switch evaluates variation in received light signal for operating switch element when movement of switch operating object conforms to given movement pattern |
DE10133823A1 (en) * | 2001-07-16 | 2003-02-27 | Gerd Reime | Optoelectronic device for position and movement detection and associated method |
DE10337743A1 (en) * | 2003-08-13 | 2005-03-10 | Ego Elektro Geraetebau Gmbh | Method and circuit arrangement for determining the actuation state of at least one optical sensor element |
GB2410004A (en) * | 2004-01-19 | 2005-07-20 | Time & Data Syst Int | Keypad |
DE102004053496A1 (en) * | 2004-10-28 | 2006-05-04 | E.G.O. Elektro-Gerätebau GmbH | Optical touch switch |
RU2666320C2 (en) * | 2014-05-29 | 2018-09-06 | Майкро Моушн, Инк. | Light reflective adaptive touch sensor |
DE102016117289A1 (en) * | 2016-09-14 | 2018-03-15 | Endress + Hauser Gmbh + Co. Kg | Field device with an optoelectronic operating element and method for detecting a touch on the operating element |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340401A (en) * | 1963-12-26 | 1967-09-05 | Xerox Corp | Motionless data input key |
GB1471357A (en) * | 1973-08-08 | 1977-04-27 | Omron Tateisi Electronics Co | Photoelectric detector |
DE2936815A1 (en) * | 1979-09-12 | 1981-04-02 | Vereinigte Glaswerke Gmbh, 5100 Aachen | CONTROL PANEL WITH TOUCH SWITCHES |
NL8000172A (en) * | 1980-01-11 | 1981-08-03 | Oce Nederland Bv | DEVICE FOR DETECTING SHEET-ARTICLES. |
US4329581A (en) * | 1980-06-04 | 1982-05-11 | General Electric Company | Ambient light sensor touch switch system and method |
FR2503495A1 (en) * | 1981-04-03 | 1982-10-08 | Commissariat Energie Atomique | Capacitative touch operated keyboard immune to interference - uses reception electrode signal difference to generate noise free output signal and interference level detection to inhibit key pad operation |
DE3146152A1 (en) * | 1981-11-21 | 1983-06-01 | Ernst Dipl.-Kfm. Dr. 7100 Heilbronn Haag | Optoelectrical key array |
-
1984
- 1984-09-22 GB GB848424023A patent/GB8424023D0/en active Pending
-
1985
- 1985-09-20 GB GB08706278A patent/GB2190488A/en not_active Withdrawn
- 1985-09-20 EP EP19850904837 patent/EP0227677A1/en not_active Withdrawn
- 1985-09-20 WO PCT/GB1985/000434 patent/WO1986001953A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2190488A (en) | 1987-11-18 |
GB8424023D0 (en) | 1984-10-31 |
EP0227677A1 (en) | 1987-07-08 |
WO1986001953A1 (en) | 1986-03-27 |
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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) |