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:
Jan. 13, 1998

Filed:

May. 16, 1995
Applicant:
Inventors:

Kazuhiko Maruyama, Kamakura, JP;

Shigenori Kino, Kamakura, JP;

Hisafumi Ozawa, Kamakura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358426 ; 3582611 ; 358427 ; 382247 ;
Abstract

A code conversion system converts an MH code into an arithmetic code. In code conversion system, a template 93 which is necessary for an arithmetic decoding process is obtained in such a manner that MH code words corresponding to the template 93, which are derived from already MH coded reference lines 90 and 91 respectively, are decoded, and the decoded data are shifted in three shift registers A77, B72 or C80. By means of a signal indicative of completion of the arithmetic decoding process in an arithmetic decoding device 71 and a signal indicative of completion of a shift-in process in shift registers A77 and so on, the process of the arithmetic decoding device 71, a decoding process of an MH code word in an MH decoding device and an MH coding process in an MH coding device 74 can be executed simultaneously.


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