Vertical/horizontal amplitude controller

Details Vertical/horizontal amplitude controller Vertical/horizontal amplitude controller

2006-05-16

2006-05-16

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

C315S411000, C348S687000

Reexamination Certificate

active

07045977

ABSTRACT:
The vertical/horizontal amplitude control device for controlling a vertical amplitude and a horizontal amplitude of an image display device for displaying a video signal includes a brightness level detector for detecting a brightness level of the video signal, a vertical amplitude controller for controlling the vertical amplitude based on the brightness level, and a horizontal amplitude controller for controlling the horizontal amplitude based on the brightness level. The device controls the vertical and horizontal amplitudes into constant without a delay from a change of a video signal even when the brightness level of the video signal abruptly changes.

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International Search Report corresponding to application No. PCT/JP02/11434 dated Jan. 14, 2003.

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