GB2234869B - Improved electrical switching system - Google Patents
Improved electrical switching systemInfo
- Publication number
- GB2234869B GB2234869B GB9011511A GB9011511A GB2234869B GB 2234869 B GB2234869 B GB 2234869B GB 9011511 A GB9011511 A GB 9011511A GB 9011511 A GB9011511 A GB 9011511A GB 2234869 B GB2234869 B GB 2234869B
- Authority
- GB
- United Kingdom
- Prior art keywords
- switching system
- electrical switching
- improved electrical
- improved
- switching
- 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 - Fee Related
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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00012—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using an auxiliary transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898911915A GB8911915D0 (en) | 1989-05-24 | 1989-05-24 | Improved electrical switching system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9011511D0 GB9011511D0 (en) | 1990-07-11 |
GB2234869A GB2234869A (en) | 1991-02-13 |
GB2234869B true GB2234869B (en) | 1994-02-16 |
Family
ID=10657262
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898911915A Pending GB8911915D0 (en) | 1989-05-24 | 1989-05-24 | Improved electrical switching system |
GB9011511A Expired - Fee Related GB2234869B (en) | 1989-05-24 | 1990-05-23 | Improved electrical switching system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898911915A Pending GB8911915D0 (en) | 1989-05-24 | 1989-05-24 | Improved electrical switching system |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8911915D0 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2753312B3 (en) * | 1996-09-12 | 1998-11-13 | Merx Philippe | ELECTRIC DEVICE WHOSE CONTROLS AND CONTROLLED DEVICES ARE MOBILE |
FR2753311B1 (en) * | 1996-09-12 | 1998-11-27 | Merx Philippe | ELECTRICAL DEVICE WHOSE CONTROLS AND CONTROLLED DEVICES ARE MOBILE |
GB2527134A (en) * | 2014-06-14 | 2015-12-16 | Alexander Joseph Dawood | A light switch interface for electronic devices fitted into a light fitting |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB318316A (en) * | 1928-06-06 | 1929-09-05 | British Insulated Cables Ltd | Improvements in or connected with the closing and opening of electrical circuits at predetermined time intervals |
GB444045A (en) * | 1935-02-11 | 1936-03-12 | Gen Electric Co Ltd | Improvements in or relating to switching systems for controlling electric lamps and other current consuming devices |
GB788864A (en) * | 1955-03-10 | 1958-01-08 | Gen Electric Co Ltd | Improvements in or relating to electric circuit arrangements for supplying current to electric lamps |
GB1047730A (en) * | 1963-11-13 | 1966-11-09 | Gen Electric | Improvements in electrical circuits for electrohydraulic systems |
US3742246A (en) * | 1971-11-15 | 1973-06-26 | Fuji Electric Co Ltd | Control device for a circuit breaker |
GB1347793A (en) * | 1970-11-04 | 1974-02-27 | Philips Electronic Associated | Ignition arrangement for a discharge tube |
US4090107A (en) * | 1976-12-08 | 1978-05-16 | Seib James N | Electric circuit control system using logic device |
GB1541502A (en) * | 1975-03-27 | 1979-03-07 | Agfa Gevaert Ag | Electronic flash |
US4363974A (en) * | 1981-04-06 | 1982-12-14 | Beckwith Robert W | Method and apparatus for providing signals from LTC transformer to electrical devices |
GB2155708A (en) * | 1984-02-24 | 1985-09-25 | Colin Robert Francis | Electrical devices |
-
1989
- 1989-05-24 GB GB898911915A patent/GB8911915D0/en active Pending
-
1990
- 1990-05-23 GB GB9011511A patent/GB2234869B/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB318316A (en) * | 1928-06-06 | 1929-09-05 | British Insulated Cables Ltd | Improvements in or connected with the closing and opening of electrical circuits at predetermined time intervals |
GB444045A (en) * | 1935-02-11 | 1936-03-12 | Gen Electric Co Ltd | Improvements in or relating to switching systems for controlling electric lamps and other current consuming devices |
GB788864A (en) * | 1955-03-10 | 1958-01-08 | Gen Electric Co Ltd | Improvements in or relating to electric circuit arrangements for supplying current to electric lamps |
GB1047730A (en) * | 1963-11-13 | 1966-11-09 | Gen Electric | Improvements in electrical circuits for electrohydraulic systems |
GB1347793A (en) * | 1970-11-04 | 1974-02-27 | Philips Electronic Associated | Ignition arrangement for a discharge tube |
US3742246A (en) * | 1971-11-15 | 1973-06-26 | Fuji Electric Co Ltd | Control device for a circuit breaker |
GB1541502A (en) * | 1975-03-27 | 1979-03-07 | Agfa Gevaert Ag | Electronic flash |
US4090107A (en) * | 1976-12-08 | 1978-05-16 | Seib James N | Electric circuit control system using logic device |
US4363974A (en) * | 1981-04-06 | 1982-12-14 | Beckwith Robert W | Method and apparatus for providing signals from LTC transformer to electrical devices |
GB2155708A (en) * | 1984-02-24 | 1985-09-25 | Colin Robert Francis | Electrical devices |
Also Published As
Publication number | Publication date |
---|---|
GB9011511D0 (en) | 1990-07-11 |
GB2234869A (en) | 1991-02-13 |
GB8911915D0 (en) | 1989-07-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950523 |