GB1266353A - - Google Patents
Info
- Publication number
- GB1266353A GB1266353A GB520569A GB1266353DA GB1266353A GB 1266353 A GB1266353 A GB 1266353A GB 520569 A GB520569 A GB 520569A GB 1266353D A GB1266353D A GB 1266353DA GB 1266353 A GB1266353 A GB 1266353A
- Authority
- GB
- United Kingdom
- Prior art keywords
- volts
- batteries
- switch
- mains
- source
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Stand-By Power Supply Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB520569 | 1969-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1266353A true GB1266353A (fr) | 1972-03-08 |
Family
ID=9791691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB520569A Expired GB1266353A (fr) | 1969-01-30 | 1969-01-30 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1266353A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021410A1 (fr) * | 1979-06-26 | 1981-01-07 | Siemens Aktiengesellschaft | Circuit pour un émetteur télégraphique électronique à courant continu |
US4315162A (en) * | 1980-05-09 | 1982-02-09 | Control Technology, Incorporated | Reserve power supply for computers |
US4387305A (en) * | 1981-06-11 | 1983-06-07 | Control Specialties, Inc. | Emergency power system for electromagnets |
GB2130029A (en) * | 1982-09-28 | 1984-05-23 | Thye Nam Mak | Improvements in battery power supply units |
-
1969
- 1969-01-30 GB GB520569A patent/GB1266353A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021410A1 (fr) * | 1979-06-26 | 1981-01-07 | Siemens Aktiengesellschaft | Circuit pour un émetteur télégraphique électronique à courant continu |
US4315162A (en) * | 1980-05-09 | 1982-02-09 | Control Technology, Incorporated | Reserve power supply for computers |
US4387305A (en) * | 1981-06-11 | 1983-06-07 | Control Specialties, Inc. | Emergency power system for electromagnets |
GB2130029A (en) * | 1982-09-28 | 1984-05-23 | Thye Nam Mak | Improvements in battery power supply units |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PE20 | Patent expired after termination of 20 years |