MULTIBEAM CATHODE RAY TUBE APPARATUS INCORPORATING CONTROL CIRCUIT MEANS FOR MAINTAINING THE RELATIVE INTENSITY OF THE BEAMS OVER A RANGE OF SETTINGS OF THE BRIGHTNESS CONTROL

• Main Author: AINSCOW, FRANK
• Format: Patent
• Language: English
• Published: 21.12.1983
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

Multibeam cathode ray tube apparatus incorporates control circuits for maintaining the relative intensity of the beams over a range of settings of the brightness control. As applied to a three beam colour tube, at least two, and preferably all three, of the electron guns have each a control circuit...