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:
Feb. 17, 1981
Filed:
Nov. 06, 1978
Applicant:
Inventor:
Joern B Eriksen, Oregon City, OR (US);
Assignee:
Tektronix, Inc., Beaverton, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358244 ; 358152 ;
Abstract
A circuit within an image-forming system for enhancing the gray scale quality of a refreshed raster-scan presentation by causing the raster lines of successive frames of such presentation to be successively interlaced whether such frames are of single- or double-field composition. Also disclosed is a hard-copy device employing such a circuit.