Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
  • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
  • G01P3/42—Devices characterised by the use of electric or magnetic means
  • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
  • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
  • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Recording Or Reproducing By Magnetic Means (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24124324

Family Applications (1)

Country Status (3)

• 1975
  • 1975-04-28 DK DK182375A patent/DK182375A/da unknown
  • 1975-11-20 JP JP50138805A patent/JPS5175502A/ja active Pending
  • 1975-12-09 DE DE19752555354 patent/DE2555354A1/de not_active Withdrawn

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