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:
Jun. 27, 1989
Filed:
May. 24, 1988
Applicant:
Inventors:
Udo Reimann, Munich, DE;
Werner Liegl, Schwabhausen, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358135 ; 358 13 ; 358141 ;
Abstract
A method and apparatus for improving picture quality in multi-dimensional differential pulse code modulation coding wherein at the receiver at the end of an active picture line AZ reconstructed samples C.sub.r are expanded by utilizing auxiliary samples H.sub.c which are allocated to the blanking interval AL and the same auxiliary samples H.sub.c are utilized for encoding at the transmitter of the data. The method and apparatus substantially improves the picture quality by utilizing the techniques of the invention.