EP1098553A3 - Automatic lighting intensity regulating device - Google Patents
Automatic lighting intensity regulating device Download PDFInfo
- Publication number
- EP1098553A3 EP1098553A3 EP00203774A EP00203774A EP1098553A3 EP 1098553 A3 EP1098553 A3 EP 1098553A3 EP 00203774 A EP00203774 A EP 00203774A EP 00203774 A EP00203774 A EP 00203774A EP 1098553 A3 EP1098553 A3 EP 1098553A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- regulating device
- lighting intensity
- automatic lighting
- intensity regulating
- electronic
- 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- Withdrawn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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Eye Examination Apparatus (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Endoscopes (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999MI002292A IT1313814B1 (en) | 1999-11-03 | 1999-11-03 | AUTOMATIC DEVICE FOR ADJUSTING THE LIGHT INTENSITY |
ITMI992292 | 1999-11-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1098553A2 EP1098553A2 (en) | 2001-05-09 |
EP1098553A3 true EP1098553A3 (en) | 2004-06-09 |
Family
ID=11383887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00203774A Withdrawn EP1098553A3 (en) | 1999-11-03 | 2000-10-30 | Automatic lighting intensity regulating device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1098553A3 (en) |
CZ (1) | CZ302222B6 (en) |
IT (1) | IT1313814B1 (en) |
PL (1) | PL198777B1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2226463A (en) * | 1988-12-21 | 1990-06-27 | Sirous Yazdanian | Control of fluorescent lights |
US5365151A (en) * | 1991-07-12 | 1994-11-15 | Tridonic Bauelemente Gmbh | Gas discharge lamp ballast circuit with frequency modulated pulse control |
US5585699A (en) * | 1994-11-18 | 1996-12-17 | Hilite Lighting And Electronics Ltd. | Control circuit for fluorescent lamps |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414493A (en) * | 1981-10-06 | 1983-11-08 | Thomas Industries Inc. | Light dimmer for solid state ballast |
US5404080A (en) * | 1989-09-21 | 1995-04-04 | Etta Industries, Inc. | Lamp brightness control circuit with ambient light compensation |
-
1999
- 1999-11-03 IT IT1999MI002292A patent/IT1313814B1/en active
-
2000
- 2000-10-30 EP EP00203774A patent/EP1098553A3/en not_active Withdrawn
- 2000-10-30 PL PL343587A patent/PL198777B1/en not_active IP Right Cessation
- 2000-10-31 CZ CZ20004043A patent/CZ302222B6/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2226463A (en) * | 1988-12-21 | 1990-06-27 | Sirous Yazdanian | Control of fluorescent lights |
US5365151A (en) * | 1991-07-12 | 1994-11-15 | Tridonic Bauelemente Gmbh | Gas discharge lamp ballast circuit with frequency modulated pulse control |
US5585699A (en) * | 1994-11-18 | 1996-12-17 | Hilite Lighting And Electronics Ltd. | Control circuit for fluorescent lamps |
Also Published As
Publication number | Publication date |
---|---|
IT1313814B1 (en) | 2002-09-23 |
CZ302222B6 (en) | 2010-12-29 |
CZ20004043A3 (en) | 2001-12-12 |
EP1098553A2 (en) | 2001-05-09 |
ITMI992292A1 (en) | 2001-05-03 |
PL343587A1 (en) | 2001-05-07 |
PL198777B1 (en) | 2008-07-31 |
ITMI992292A0 (en) | 1999-11-03 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
17P | Request for examination filed |
Effective date: 20041027 |
|
AKX | Designation fees paid |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
17Q | First examination report despatched |
Effective date: 20050216 |
|
17Q | First examination report despatched |
Effective date: 20050216 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20100504 |