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Pincushion Correction Magnet Holder and Safety Shield

IP.com Disclosure Number: IPCOM000050045D
Original Publication Date: 1982-Aug-01
Included in the Prior Art Database: 2005-Feb-09
Document File: 2 page(s) / 49K

Publishing Venue

IBM

Related People

Gandy, IT: AUTHOR [+2]

Abstract

This molded plastic holder for pincushion correction magnets is removably attachable to a cathode ray tube deflection yoke assembly. No alignment of magnets is necessary since the holder is keyed to the yoke assembly. Additionally, the holder acts as a safety shield to protect service personnel from high voltages present at the yoke assembly.

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Pincushion Correction Magnet Holder and Safety Shield

This molded plastic holder for pincushion correction magnets is removably attachable to a cathode ray tube deflection yoke assembly. No alignment of magnets is necessary since the holder is keyed to the yoke assembly. Additionally, the holder acts as a safety shield to protect service personnel from high voltages present at the yoke assembly.

In the figure, magnet holder 1 includes a number of resilient attachment fingers 2 for removably engaging holder 1 with the rear portion of a deflection yoke assembly (not shown). For setting the rotational alignment of holder 1, one of the fingers 2 includes a keying protrusion to match an appropriately mating slot in only one of the recesses of the deflection yoke assembly into which fingers 2 engage. Skirt portions 3 of the holder enclose portions of the deflection yoke to act as a safety shield for high voltage protection. Pincushion correction magnets 6 are engageably mounted in a number of magnet orientation recesses 4 by resilient plastic fingers 5. With this magnet-mounting technique, consistency in pincushion distortion correction is assured without manual adjustment.

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