CA2010313A1 - Lighting control system - Google Patents
Lighting control systemInfo
- Publication number
- CA2010313A1 CA2010313A1 CA2010313A CA2010313A CA2010313A1 CA 2010313 A1 CA2010313 A1 CA 2010313A1 CA 2010313 A CA2010313 A CA 2010313A CA 2010313 A CA2010313 A CA 2010313A CA 2010313 A1 CA2010313 A1 CA 2010313A1
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- lighting
- lighting control
- control circuit
- power supply
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
A lighting control circuit is provided for controlling illumination and dimming of at least one light in a lighting circuit for operation at a selectable one of a plurality of applied voltages. The lighting control circuit includes a power supply circuit for receiving an AC line voltage input and for converting the AC line voltage to selectable rectified AC and DC power for delivery to the lighting control circuit. A timing generator circuit is also coupled with the power supply circuit and is responsive to a rectified AC sample from the power supply for generating and shaping an electrical timing signal. A timing comparator circuit is responsive to the electrical timing signal for generating a variable duty cycle output signal. A
switching control circuit is coupled with the lighting circuit for gating current therethrough in accordance with the variable duty cycle output control signal.
switching control circuit is coupled with the lighting circuit for gating current therethrough in accordance with the variable duty cycle output control signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002010313A CA2010313C (en) | 1990-02-19 | 1990-02-19 | Lighting control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002010313A CA2010313C (en) | 1990-02-19 | 1990-02-19 | Lighting control system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2010313A1 true CA2010313A1 (en) | 1991-08-19 |
CA2010313C CA2010313C (en) | 1999-03-02 |
Family
ID=4144323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002010313A Expired - Fee Related CA2010313C (en) | 1990-02-19 | 1990-02-19 | Lighting control system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2010313C (en) |
-
1990
- 1990-02-19 CA CA002010313A patent/CA2010313C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2010313C (en) | 1999-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |