Image display apparatus

Television – Format conversion – Conversion between standards with different aspect ratios

Reexamination Certificate

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Details

C348S555000, C348S556000, C348S558000

Reexamination Certificate

active

07420617

ABSTRACT:
An image display apparatus that detects a picture defect and shifts an image region to eliminate the picture defect. The image display apparatus includes a memory unit that temporarily stores an input image signal, a memory control unit that controls a readout start address for the memory unit, a display unit to which the image signal read out of the memory unit is supplied, a detection unit that detects an aspect ratio of the input image signal, and an address control signal generation unit which receives an output from detection unit and generates a readout start address control signal for the memory unit.

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patent: 5444492 (1995-08-01), Kihara
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patent: 6088137 (2000-07-01), Tomizawa
patent: 6496647 (2002-12-01), Arai et al.
patent: 7092569 (2006-08-01), Kinjo
patent: 7126642 (2006-10-01), Takechi et al.
patent: 11-194051 (1999-07-01), None

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