Patent · US Expired

Method and apparatus for testing television yokes and flyback windings

US3990002A · kind A · utility

6Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 7, 1975
Grant dateNov 2, 1976
Priority date
Expiry dateMay 7, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/72
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A plurality of capacitors are successively connected across a coil while a train of driving pulses is applied thereto to cause the coil to ring after each driving pulse, and the number of cycles which occur in the ringing signal between two voltage levels thereof are counted to indicate if the coil is defective.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.