CA988575A - Time interval lighting system - Google Patents
Time interval lighting systemInfo
- Publication number
- CA988575A CA988575A CA177,209A CA177209A CA988575A CA 988575 A CA988575 A CA 988575A CA 177209 A CA177209 A CA 177209A CA 988575 A CA988575 A CA 988575A
- Authority
- CA
- Canada
- Prior art keywords
- time interval
- lighting system
- interval lighting
- time
- lighting
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
- G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
- G04F3/027—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms using electrical contacts, e.g. for actuating electro-acoustic device
-
- 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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/06—Switching arrangements, e.g. from series operation to parallel operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00338187A US3831059A (en) | 1973-03-05 | 1973-03-05 | Time interval lighting system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA988575A true CA988575A (en) | 1976-05-04 |
Family
ID=23323770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA177,209A Expired CA988575A (en) | 1973-03-05 | 1973-07-24 | Time interval lighting system |
Country Status (2)
Country | Link |
---|---|
US (1) | US3831059A (en) |
CA (1) | CA988575A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940660A (en) * | 1973-12-14 | 1976-02-24 | Edwards Frederick H | Circuitry for load connection and disconnection |
US4213182A (en) * | 1978-12-06 | 1980-07-15 | General Electric Company | Programmable energy load controller system and methods |
US4511895A (en) * | 1979-10-30 | 1985-04-16 | General Electric Company | Method and apparatus for controlling distributed electrical loads |
USRE33504E (en) * | 1983-10-13 | 1990-12-25 | Lutron Electronics Co., Inc. | Wall box dimer switch with plural remote control switches |
US5227762A (en) * | 1990-10-26 | 1993-07-13 | Thomas Industries Inc. | Power line carrier controlled lighting system |
US8633661B2 (en) * | 2009-07-15 | 2014-01-21 | Gary Skwarlo | Time-delayed power switching device and methods of use |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL5899C (en) * | 1918-10-30 | |||
US1716690A (en) * | 1927-07-29 | 1929-06-11 | Gaston Leon | Lighting of vehicles |
US1772606A (en) * | 1929-02-27 | 1930-08-12 | Jr Alfred Hopkin | Method of and apparatus for producing illumination effects |
US1871695A (en) * | 1929-07-08 | 1932-08-16 | Isermann | Lighting system for motor vehicles |
US2295894A (en) * | 1940-05-27 | 1942-09-15 | Dewan Leon | System for controlling lighting circuits and like circuits |
US3748490A (en) * | 1971-09-22 | 1973-07-24 | W Gruber | Burglary deterrent device |
-
1973
- 1973-03-05 US US00338187A patent/US3831059A/en not_active Expired - Lifetime
- 1973-07-24 CA CA177,209A patent/CA988575A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3831059A (en) | 1974-08-20 |
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