Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/50—Means for detecting the presence of an arc or discharge
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B17/00—Fire alarms; Alarms responsive to explosion
  • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
  • G08B29/18—Prevention or correction of operating errors
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
  • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
  • G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Computer Security & Cryptography (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Photometry And Measurement Of Optical Pulse Characteristics (AREA)
• Testing Relating To Insulation (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=20338748

Family Applications (1)

Country Status (5)

Families Citing this family (11)

• 1979
  • 1979-09-04 SE SE7907340A patent/SE7907340L/sv unknown
• 1980
  • 1980-08-21 DE DE19803031517 patent/DE3031517A1/de not_active Withdrawn
  • 1980-09-01 AU AU61932/80A patent/AU535983B2/en not_active Ceased
  • 1980-09-02 JP JP12167580A patent/JPS5637570A/ja active Pending
  • 1980-09-02 DK DK373480A patent/DK373480A/da not_active Application Discontinuation

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