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.
Patent No.:
Date of Patent:
Jan. 05, 1988
Filed:
Jul. 03, 1986
Applicant:
Inventor:
Kazuhiko Takaoka, Kanagawa, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
375 14 ; 333 18 ; 364724 ;
Abstract
A demodulator for facsimile equipment in which there is provided a memory for storing equalizer coefficients of an automatic equalizer and a divergence detector for detecting divergence of the automatic equalizer, and in which equalizer coefficients of the automatic equalizer established at the beginning of transmission or reception are stored in the memory. In the event of divergence of the automatic equalizer during reception of a subsequent picture data message, the stored equalizer coefficients are re-set in the automatic equalizer.