Calibration of video displays using an integrator circuit

Details Calibration of video displays using an integrator circuit Calibration of video displays using an integrator circuit

1998-01-29

2000-08-08

Harvey, David E.

Television

Monitoring, testing, or measuring

Test signal generator

348189, 348745, 348807, H04N 931

Patent

active

061009261

ABSTRACT:
A television system performs beam convergence in video displays. The system is implemented through one or more convergence sensors, which are exposed to two distinct convergence test patterns. The output signals from the sensors when exposed to the two test patterns are used in beam convergence calculations. The test patterns are selected to reduce the dynamic range requirement for an A/D converter in the television system supplied with the sensor output signals.

REFERENCES:
patent: 5872593 (1999-02-01), Kawashima

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