Adjustable yoke assembly

Details Adjustable yoke assembly Adjustable yoke assembly

1980-10-27

1982-10-05

Orsino, Jr., Joseph A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

335210, H04N 564, H04N 5655

Patent

active

043530940

ABSTRACT:
An adjustable yoke assembly for a CRT (cathode ray tube) is described for optimizing the orthogonality and concentricity between the yoke's horizontal and vertical fields in order to obtain a desired raster shape. The yoke assembly includes a liner which carries one deflection winding, a core which carries another deflection winding and which is mounted on the liner, and an adjustment ring which is mounted on the liner and fixed to the core. The liner includes at least one elongated member which projects radially outwardly from the liner so as to engage detent means, such as serrations, carried by a finger which projects outwardly from the adjustment ring. When the core is manually rotated on the liner to adjust the relative position of the deflection windings, the adjustment ring rotates with the core in a detented manner to provide accurate positioning of the core's winding and optimum orientation of the yoke's horizontal and vertical fields.

REFERENCES:
patent: 4038621 (1977-07-01), Chiodi et al.

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