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Title:
VIDEO IMAGE FORMAT CONVERTING APPARATUS AND DIGITAL BROADCASTING RECEIVING APPARATUS
Document Type and Number:
Japanese Patent JP2004040696
Kind Code:
A
Abstract:

To provide an inexpensive video format converting apparatus and a digital broadcasting receiving apparatus using the same in which large circuits such as a filter circuit, a memory and the like are reduced in the number of circuits.

Based upon a terminal specification of a main video output and combination of video sources in the case of not performing a video format conversion, the case of outputting after down converting and the case of outputting after up converting, operations of a video expanding/reducing means 4000 and a first horizontal expanding/reducing circuit 70 are selectively used so that one horizontal expanding/reducing circuit performs horizontal expanding/reducing processings of both the main video output and a sub video output.


Inventors:
HASEGAWA TAKAAKI
KURITA NAOKI
Application Number:
JP2002198396A
Publication Date:
February 05, 2004
Filing Date:
July 08, 2002
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H04N5/262; G09G5/00; G09G5/36; G09G5/391; H04N5/278; H04N5/66; H04N7/01; (IPC1-7): H04N5/66; G09G5/00; G09G5/36; G09G5/391; H04N5/262; H04N5/278; H04N7/01
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito