DEVICE AND METHOD FOR TESTING CATHODE-RAY TUBE

PROBLEM TO BE SOLVED: To reduce time required for aging. SOLUTION: A controller 20 supplies first and second control signals to a video processing circuit 30. The circuit 30 outputs a first luminance signal for obtaining a first prescribed luminance level L1 of a high level and a second luminance si...

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Bibliographische Detailangaben
Hauptverfasser:	FUJISE TADASHI, KIMOTO MASANOBU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce time required for aging. SOLUTION: A controller 20 supplies first and second control signals to a video processing circuit 30. The circuit 30 outputs a first luminance signal for obtaining a first prescribed luminance level L1 of a high level and a second luminance signal for obtaining a second prescribed luminance level L1 of a low level to the electronic guns 15a to 15c of CRT 10, based on these first and second control signal through respective prescribed periods T1 and T2.