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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.:

US 4567518 B1

PDFFull Text
Date of Patent:
Jan. 28, 1986

Filed:

Jun. 27, 1985

System for decoding and displaying encoded television pictures

Applicant:
Inventor:

Leonardus M Driessen, Eindhoven, NL;

Assignee:

U.S. Philips Corporation, New York, NY (US);

Attorneys:

Briody; Thomas A.

Streeter; William J.

Rich; Marianne

Primary Examiner:

Edward L Coles, Sr

Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358133 ; 364725 ; 371-2 ; 371 37 ; 382 43 ;
Abstract

An error protection code which acts on subpictures for the transmission of television picture information. First the picture is subpicture-wise transformed (124) by means of transformation functions, for example, Hadamard functions. Of the coefficients thus formed, a number of most significant coefficient bits which are associated with low frequency transformation functions are protected against a bit error (126). Moreover, a comparatively small number of coefficient bits within said number are protected against an additional bit error.

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Driessen, Leonardus. (1986). System for decoding and displaying encoded television pictures (U.S. Patent No. 4567518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4567518

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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