GB2046538B - Time delay circuits for controlling lights - Google Patents
Time delay circuits for controlling lightsInfo
- Publication number
- GB2046538B GB2046538B GB7849622A GB7849622A GB2046538B GB 2046538 B GB2046538 B GB 2046538B GB 7849622 A GB7849622 A GB 7849622A GB 7849622 A GB7849622 A GB 7849622A GB 2046538 B GB2046538 B GB 2046538B
- Authority
- GB
- United Kingdom
- Prior art keywords
- time delay
- delay circuits
- controlling lights
- lights
- controlling
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/292—Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7849622A GB2046538B (en) | 1978-12-21 | 1978-12-21 | Time delay circuits for controlling lights |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7849622A GB2046538B (en) | 1978-12-21 | 1978-12-21 | Time delay circuits for controlling lights |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2046538A GB2046538A (en) | 1980-11-12 |
GB2046538B true GB2046538B (en) | 1983-01-12 |
Family
ID=10501886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7849622A Expired GB2046538B (en) | 1978-12-21 | 1978-12-21 | Time delay circuits for controlling lights |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2046538B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3128715C2 (en) * | 1981-07-21 | 1984-10-11 | Telefunken electronic GmbH, 7100 Heilbronn | Circuit arrangement |
DE3234763A1 (en) * | 1982-09-20 | 1984-03-22 | Siemens AG, 1000 Berlin und 8000 München | REMOTE CONTROL SWITCH |
GB2140988A (en) * | 1983-05-25 | 1984-12-05 | Bedfordshire County Council | Power supply control unit |
FR2618233B1 (en) * | 1987-07-15 | 1990-01-12 | Cleja Vladimir | PROGRAMMABLE SWITCHING APPARATUS, PARTICULARLY FOR PRESENCE SIMULATION. |
JPH0719662B2 (en) * | 1988-09-20 | 1995-03-06 | 和芙 橋本 | Lighting lamp automatic switching device |
CN102752921B (en) * | 2012-06-21 | 2014-07-09 | 叶选锋 | Light-controlled switch |
-
1978
- 1978-12-21 GB GB7849622A patent/GB2046538B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2046538A (en) | 1980-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |