The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 03, 2009

Filed:

Jul. 23, 2004
Applicants:

Kouzou Masuda, Yokohama, JP;

Ikuya Arai, Yokohama, JP;

Sadao Tsuruga, Yokohama, JP;

Jiro Kawasaki, London, GB;

Tsuyoshi Sano, Fujisawa, JP;

Tamotsu Nagabayashi, Yokohama, JP;

Ryuuichi Someya, Fujisawa, JP;

Fumio Inoue, Yokohama, JP;

Kouji Kitou, Hiratsuka, JP;

Yasuhiro Imai, Hadano, JP;

Masatoshi Hirose, Kawasaki, JP;

Inventors:

Kouzou Masuda, Yokohama, JP;

Ikuya Arai, Yokohama, JP;

Sadao Tsuruga, Yokohama, JP;

Jiro Kawasaki, London, GB;

Tsuyoshi Sano, Fujisawa, JP;

Tamotsu Nagabayashi, Yokohama, JP;

Ryuuichi Someya, Fujisawa, JP;

Fumio Inoue, Yokohama, JP;

Kouji Kitou, Hiratsuka, JP;

Yasuhiro Imai, Hadano, JP;

Masatoshi Hirose, Kawasaki, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/445 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image display system includes a display device, an input section to which video signals of an interlace scanning system are inputted, a signal converter section which increases horizontal scanning lines of the inputted video signals in number by a factor of at least two, and which generates first and second fields, each of the fields including effective scanning lines used for displaying and ineffective scanning lines not used for displaying, with the effective and ineffective scanning lines being arranged alternately in each of the fields, and a display control section which controls the display device to display the first and second fields alternately. The display control section controls the display device such that positions of the effective scanning lines of the first fields correspond with those of the ineffective scanning lines of the second fields, and vice versa.


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