JPH05250991
PURPOSE:To provided an electrical treating method for a cathode ray tube by which the withstand voltage strength of the dag edge can be heightened without deteriorating an image quality. CONSTITUTION:In the first place, after an anode button 11 of a cathode ray tube 1 is connected to a direct curren...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To provided an electrical treating method for a cathode ray tube by which the withstand voltage strength of the dag edge can be heightened without deteriorating an image quality. CONSTITUTION:In the first place, after an anode button 11 of a cathode ray tube 1 is connected to a direct current high voltage generator 4 through a protective resistance 2 and a stem pin 12 is earthed, direct current high voltage is impressed upon the cathode ray tube 1. Next, after the stem pin 12 is connected to the direct current high voltage generator 4 through the protective resistance 2 and the anode button 11 is earthed, the direct current high voltage is impressed upon the cathode ray tube 1. |
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