H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.1203
H01J 29/51 (2006.01) H01J 29/56 (2006.01) H01J 29/70 (2006.01)
Patent
CA 1188724
ABSTRACT OF THE DISCLOSURE: In a deflecting yoke of an in-line type color picture tube, a pair of saturable reactors responsive to vertical deflection is connected to two horizontal deflecting coils so that horizontal deflection currents respectively flowing through the two horizontal deflecting coils are controlled differentially in ac- cordance with the degree of the vertical deflection, thereby minimizing raster distortion. Each of the saturable reactors may comprise a series connection of two coils connected to the vertical deflecting coils, and another series connection of two coils connected to the horizon- tal deflecting coils. The first-mentioned series con- nection may be omitted by positioning the second-mentioned series connection so that leakage flux from the vertical deflecting coils can be picked up. The core or cores of each of the saturable reactors is magnetically biased by means of a permanent magnet. A single disk-like magnet may be rotatably held in contact with two parallel arranged reactor cores, so that rotation thereof results in change in impedance of the reactor.
405016
Hishiki Hideo
Kobayashi Toshio
Robic Robic & Associes/associates
Victor Company Of Japan Limited
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