GB2325313B - Electronic circuits - Google Patents
Electronic circuitsInfo
- Publication number
- GB2325313B GB2325313B GB9809977A GB9809977A GB2325313B GB 2325313 B GB2325313 B GB 2325313B GB 9809977 A GB9809977 A GB 9809977A GB 9809977 A GB9809977 A GB 9809977A GB 2325313 B GB2325313 B GB 2325313B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electronic circuits
- circuits
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
-
- 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
- H02J13/00007—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 the power network as support for the transmission
- H02J13/00009—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 the power network as support for the transmission using pulsed signals
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Power Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9709469.2A GB9709469D0 (en) | 1997-05-12 | 1997-05-12 | Electronic circuits |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9809977D0 GB9809977D0 (en) | 1998-07-08 |
GB2325313A GB2325313A (en) | 1998-11-18 |
GB2325313B true GB2325313B (en) | 2001-06-13 |
Family
ID=10812084
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9709469.2A Pending GB9709469D0 (en) | 1997-05-12 | 1997-05-12 | Electronic circuits |
GB9809977A Expired - Lifetime GB2325313B (en) | 1997-05-12 | 1998-05-12 | Electronic circuits |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9709469.2A Pending GB9709469D0 (en) | 1997-05-12 | 1997-05-12 | Electronic circuits |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9709469D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3220100B2 (en) | 1999-01-26 | 2001-10-22 | 埼玉日本電気株式会社 | Power supply circuit and power supply method |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1279128A (en) * | 1968-10-15 | 1972-06-28 | Siemens Ag | Improvements in or relating to line repeater amplifiers having transistorised electrical power supply circuits |
US3795817A (en) * | 1972-03-03 | 1974-03-05 | Thomson Csf | Power transmission device in particular for a submarine camera |
GB1474071A (en) * | 1973-06-13 | 1977-05-18 | Hitachi Ltd | Constant-voltage circuit |
GB2168207A (en) * | 1984-11-28 | 1986-06-11 | Ferranti Plc | Wide frequency band ripple and noise filter |
EP0280514A1 (en) * | 1987-02-23 | 1988-08-31 | SGS-THOMSON MICROELECTRONICS S.p.A. | Voltage regulator and voltage stabilizer |
US5132893A (en) * | 1990-07-25 | 1992-07-21 | Honeywell Inc. | Voltage supply circuit |
GB2275548A (en) * | 1993-02-18 | 1994-08-31 | Siemens Plessey Electronic | Current regulating apparatus for suppressing radiated signal emission |
US5396555A (en) * | 1991-03-19 | 1995-03-07 | Kabushiki Kaisha Toshiba | Power and signal transmission system |
GB2298531A (en) * | 1995-02-22 | 1996-09-04 | Motorola Ltd | Voltage follower circuit providing filtered output voltage |
EP0777311A2 (en) * | 1995-12-06 | 1997-06-04 | International Computers Limited | Combined data and power transmission |
-
1997
- 1997-05-12 GB GBGB9709469.2A patent/GB9709469D0/en active Pending
-
1998
- 1998-05-12 GB GB9809977A patent/GB2325313B/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1279128A (en) * | 1968-10-15 | 1972-06-28 | Siemens Ag | Improvements in or relating to line repeater amplifiers having transistorised electrical power supply circuits |
US3795817A (en) * | 1972-03-03 | 1974-03-05 | Thomson Csf | Power transmission device in particular for a submarine camera |
GB1474071A (en) * | 1973-06-13 | 1977-05-18 | Hitachi Ltd | Constant-voltage circuit |
GB2168207A (en) * | 1984-11-28 | 1986-06-11 | Ferranti Plc | Wide frequency band ripple and noise filter |
EP0280514A1 (en) * | 1987-02-23 | 1988-08-31 | SGS-THOMSON MICROELECTRONICS S.p.A. | Voltage regulator and voltage stabilizer |
US5132893A (en) * | 1990-07-25 | 1992-07-21 | Honeywell Inc. | Voltage supply circuit |
US5396555A (en) * | 1991-03-19 | 1995-03-07 | Kabushiki Kaisha Toshiba | Power and signal transmission system |
GB2275548A (en) * | 1993-02-18 | 1994-08-31 | Siemens Plessey Electronic | Current regulating apparatus for suppressing radiated signal emission |
GB2298531A (en) * | 1995-02-22 | 1996-09-04 | Motorola Ltd | Voltage follower circuit providing filtered output voltage |
EP0777311A2 (en) * | 1995-12-06 | 1997-06-04 | International Computers Limited | Combined data and power transmission |
Also Published As
Publication number | Publication date |
---|---|
GB9809977D0 (en) | 1998-07-08 |
GB2325313A (en) | 1998-11-18 |
GB9709469D0 (en) | 1997-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20180511 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20181115 AND 20181130 |