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
  • G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
  • G05F1/63—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc using variable impedances in series with the load as final control devices
  • G05F1/644—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc using variable impedances in series with the load as final control devices being pressure-sensitive resistors
• • 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
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks
  • H04L12/02—Details
  • H04L12/10—Current supply arrangements

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Radar, Positioning & Navigation (AREA)
• Automation & Control Theory (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6849401

Family Applications (1)

Country Status (2)

• 0
  • BE BE451787D patent/BE451787A/xx unknown
• 1943
  • 1943-10-27 FR FR899172D patent/FR899172A/en not_active Expired

Also Published As

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