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:
Apr. 28, 1992
Filed:
Aug. 23, 1989
Applicant:
Inventor:
James A Karlock, Portland, OR (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358181 ; 358182 ; 358183 ;
Abstract
A video effects generator consists of two major components: an electronic video switch and a waveform generator. The switch can give either sharp or soft edges, fade in or out or fade between the two inputs. This switch is driven by a waveform generator to provide switching at a line rate, field rate or both. Effects result when two video sources are alternately selected within the time of one field.
Karlock, James. (1992). Video switcher/effects generator (U.S. Patent No. 5109280). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5109280
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