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:
Sep. 26, 1989
Filed:
Aug. 24, 1987
Applicant:
Inventor:
Allan I Carlson, Briarcliff Manor, NY (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340811 ; 340719 ; 340783 ; 340784 ;
Abstract
An input circuit to an active addressed display sequentially switches pixels of video information into high speed sample-and-hold elements which are coupled to corresponding signal lines on the substrate. The pixels of video information are on the signal lines for a complete switching cycle and are transferred to vetical source lines of the display during a time interval equal to the period of a switching cycle.
Quick Actions:
Carlson, Allan. (1989). Apparatus for addressing active displays (U.S. Patent No. 4870399). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4870399
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile