SI0809371T1 - Data emitting and receiving circuit - Google Patents
Data emitting and receiving circuitInfo
- Publication number
- SI0809371T1 SI0809371T1 SI9730511T SI9730511T SI0809371T1 SI 0809371 T1 SI0809371 T1 SI 0809371T1 SI 9730511 T SI9730511 T SI 9730511T SI 9730511 T SI9730511 T SI 9730511T SI 0809371 T1 SI0809371 T1 SI 0809371T1
- Authority
- SI
- Slovenia
- Prior art keywords
- diode
- voltage
- capacitor
- load voltage
- input port
- Prior art date
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
- H03K17/9627—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
- 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
-
- 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
- H03K17/9636—Optical touch switches using a light source as part of the switch using a pulsed light source
Abstract
The description relates to a control circuit for recording the actuation of an optical key, in which there is a light-sensitive diode operated in open circuit as a key actuation sensor. A microprocessor circuit monitors the no-load voltage of the diode to differentiate an actuation of the optical key from variations in the brightness of the ambient light. The invention is characterized by an easily producible voltage-time-conversion process for monitoring the no-load voltage. To this end, there is a capacitor connected to the diode which assumes a load operating status corresponding to the no-load voltage of the diode and can be discharged in a discharge operating status via a discharge resistor, where the microprocessor circuit has a high-resistance input port connected to the capacitor to monitor the capacitor discharge and, as a measure of the no-load voltage, determines the time elapsing until the voltage at the input port during the capacitor discharge process reaches a predetermined input port switching threshold.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19620866 | 1996-05-23 | ||
EP97100329A EP0809371B1 (en) | 1996-05-23 | 1997-01-10 | Data emitting and receiving circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
SI0809371T1 true SI0809371T1 (en) | 2003-08-31 |
Family
ID=7795166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SI9730511T SI0809371T1 (en) | 1996-05-23 | 1997-01-10 | Data emitting and receiving circuit |
Country Status (12)
Country | Link |
---|---|
EP (2) | EP0809371B1 (en) |
AT (2) | ATE232340T1 (en) |
CZ (2) | CZ291065B6 (en) |
DE (3) | DE19654853A1 (en) |
DK (2) | DK0809371T3 (en) |
ES (2) | ES2192237T3 (en) |
GR (1) | GR3036663T3 (en) |
HU (1) | HU223028B1 (en) |
PL (2) | PL330070A1 (en) |
SI (1) | SI0809371T1 (en) |
SK (2) | SK159398A3 (en) |
WO (1) | WO1997044902A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19805959A1 (en) * | 1998-02-13 | 1999-08-19 | Ego Elektro Geraetebau Gmbh | Sensor switching device for domestic electrical appliance, such as electric oven |
US6330091B1 (en) * | 1998-05-15 | 2001-12-11 | Universal Electronics Inc. | IR receiver using IR transmitting diode |
DE10133823A1 (en) * | 2001-07-16 | 2003-02-27 | Gerd Reime | Optoelectronic device for position and movement detection and associated method |
DE10145248C1 (en) * | 2001-09-13 | 2003-03-20 | Krohne Messtechnik Kg | Data transmission method |
DE10146996A1 (en) | 2001-09-25 | 2003-04-30 | Gerd Reime | Circuit with an opto-electronic display content |
DE10248238A1 (en) * | 2002-10-16 | 2004-04-29 | Delphi Technologies, Inc., Troy | Lighting device, in particular for motor vehicles |
DE202008002020U1 (en) * | 2008-02-13 | 2009-03-05 | Steca Elektronik Gmbh | Electronic switch |
US8277170B2 (en) | 2008-05-16 | 2012-10-02 | General Electric Company | Cooling circuit for use in turbine bucket cooling |
DE102008053537A1 (en) * | 2008-10-28 | 2010-04-29 | Alexander Gruber | Evaluation of the movement of objects with a field of at least two light-emitting diodes |
AT509969B1 (en) * | 2010-05-31 | 2015-06-15 | Fronius Int Gmbh | METHOD AND DEVICE FOR CARRYING OUT A SWITCHING PROCESS |
DE102016219200A1 (en) * | 2016-10-04 | 2018-04-05 | Tridonic Gmbh & Co Kg | Integrated arrangement of modulated light points for communication by means of visible light |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035944C2 (en) * | 1980-09-24 | 1983-06-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Semiconductor optical display device |
DE3116072A1 (en) * | 1981-04-22 | 1982-11-11 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT FOR A RAY DETECTOR |
CH644244B (en) * | 1981-04-22 | Asulab Sa | ELECTRONIC WATCH WITH FIXED CONTROL BODY. | |
JPS57178117A (en) * | 1981-04-27 | 1982-11-02 | Minolta Camera Co Ltd | Light measuring device |
EP0163138A1 (en) * | 1984-05-21 | 1985-12-04 | Energy Conversion Devices, Inc. | Touch sensitive keyboard input device and method |
DE3569414D1 (en) * | 1984-07-26 | 1989-05-18 | Miles Inc | Circuitry for a portable test strip reading instrument |
JPS62154791A (en) * | 1985-12-27 | 1987-07-09 | Hitachi Vlsi Eng Corp | Light receiving and emitting circuit |
JPS6323431A (en) * | 1986-07-16 | 1988-01-30 | Nec Corp | Optical transmission equipment |
CA2010165A1 (en) * | 1989-03-13 | 1990-09-13 | Richard L. Hurtle | Compact semi-programmable device for reading reagent test strips and method relating thereto |
JPH04304798A (en) * | 1991-04-01 | 1992-10-28 | Akai Electric Co Ltd | Learning remote controller |
DE4336669C1 (en) | 1993-10-27 | 1994-12-15 | Ziegler Horst | Input field |
-
1996
- 1996-05-23 DE DE19654853A patent/DE19654853A1/en not_active Ceased
-
1997
- 1997-01-10 ES ES97100329T patent/ES2192237T3/en not_active Expired - Lifetime
- 1997-01-10 DK DK97100329T patent/DK0809371T3/en active
- 1997-01-10 SI SI9730511T patent/SI0809371T1/en unknown
- 1997-01-10 EP EP97100329A patent/EP0809371B1/en not_active Expired - Lifetime
- 1997-01-10 DE DE59709252T patent/DE59709252D1/en not_active Expired - Lifetime
- 1997-01-10 AT AT97100329T patent/ATE232340T1/en active
- 1997-05-15 EP EP97923091A patent/EP0900480B1/en not_active Expired - Lifetime
- 1997-05-15 DE DE59704023T patent/DE59704023D1/en not_active Expired - Lifetime
- 1997-05-15 WO PCT/EP1997/002508 patent/WO1997044902A1/en active IP Right Grant
- 1997-05-15 SK SK1593-98A patent/SK159398A3/en unknown
- 1997-05-15 ES ES97923091T patent/ES2159864T3/en not_active Expired - Lifetime
- 1997-05-15 DK DK97923091T patent/DK0900480T3/en active
- 1997-05-15 PL PL97330070A patent/PL330070A1/en unknown
- 1997-05-15 CZ CZ19983796A patent/CZ291065B6/en not_active IP Right Cessation
- 1997-05-15 AT AT97923091T patent/ATE203130T1/en active
- 1997-05-22 SK SK649-97A patent/SK284254B6/en not_active IP Right Cessation
- 1997-05-22 PL PL97320129A patent/PL183340B1/en unknown
- 1997-05-22 HU HU9700938A patent/HU223028B1/en active IP Right Grant
- 1997-05-23 CZ CZ19971593A patent/CZ286252B6/en not_active IP Right Cessation
-
2001
- 2001-09-18 GR GR20010401523T patent/GR3036663T3/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK0900480T3 (en) | 2001-09-24 |
SK284254B6 (en) | 2004-12-01 |
ES2192237T3 (en) | 2003-10-01 |
EP0809371A1 (en) | 1997-11-26 |
SK64997A3 (en) | 1999-06-11 |
EP0900480A1 (en) | 1999-03-10 |
CZ379698A3 (en) | 1999-08-11 |
DE19654853A1 (en) | 1997-11-27 |
PL320129A1 (en) | 1997-11-24 |
ATE203130T1 (en) | 2001-07-15 |
EP0900480B1 (en) | 2001-07-11 |
CZ159397A3 (en) | 1997-12-17 |
ATE232340T1 (en) | 2003-02-15 |
PL330070A1 (en) | 1999-04-26 |
SK159398A3 (en) | 1999-08-06 |
GR3036663T3 (en) | 2001-12-31 |
HU223028B1 (en) | 2004-03-01 |
CZ291065B6 (en) | 2002-12-11 |
CZ286252B6 (en) | 2000-02-16 |
HUP9700938A3 (en) | 2000-02-28 |
DE59709252D1 (en) | 2003-03-13 |
ES2159864T3 (en) | 2001-10-16 |
HUP9700938A2 (en) | 1998-01-28 |
EP0809371B1 (en) | 2003-02-05 |
PL183340B1 (en) | 2002-06-28 |
WO1997044902A1 (en) | 1997-11-27 |
DE59704023D1 (en) | 2001-08-16 |
DK0809371T3 (en) | 2003-02-24 |
HU9700938D0 (en) | 1997-07-28 |
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