H04N9/22 - CPC Classification

Details of colour television systems; Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information

• H04N9/24 » using means, integral with, or external to, the tube, for producing signal indicating instantaneous beam position 7
• H04N9/26 » using electron-optical colour selection means, e.g. line grid, deflection means in or near the gun or near the phosphor screen 0

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