Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B9/00—Safety arrangements
  • G05B9/02—Safety arrangements electric
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
  • G01R19/145—Indicating the presence of current or voltage
• • 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
  • G01R31/40—Testing power supplies
  • G01R31/42—AC power supplies
• • 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
  • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
  • G01R31/54—Testing for continuity
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
  • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
  • H02H3/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Automation & Control Theory (AREA)
• Power Engineering (AREA)
• Control Of Resistance Heating (AREA)
• Control Of Temperature (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25548331

Family Applications (1)

Country Status (6)

• 1974
  • 1974-01-14 YU YU100/74A patent/YU39302B/xx unknown
• 1975
  • 1975-01-13 CH CH30475A patent/CH583947A5/xx not_active IP Right Cessation
  • 1975-01-13 DK DK6075AA patent/DK137658B/da not_active IP Right Cessation
  • 1975-01-13 IT IT19222/75A patent/IT1028330B/it active
  • 1975-01-14 GB GB1540/75A patent/GB1496421A/en not_active Expired
  • 1975-01-14 FR FR7500956A patent/FR2257911B1/fr not_active Expired

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