Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1989-02-17
1993-03-30
Pellinen, A. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
315 8, H01F 1300, H04N 929
Patent
active
051989603
ABSTRACT:
A degaussing current whose frequency is L Hz is supplied to a degaussing apparatus, and a constant amplitude vertical deflection current whose frequency is M Hz is supplied to a deflection yoke. The degaussing current is an A.C. current, and its frequency L Hz is determined such that the value of M/L is not an integer.
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Fink, Television Engineering Handbook, First edition, McGraw-Hill Book Company, Inc., 1957, pp. I-8-I-11.
Fujiwara Takeshi
Inoue Masatsugu
Nakane Kazunori
Tokita Kiyoshi
Kabushiki Kaisha Toshiba
Osborn David
Pellinen A. D.
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