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. 04, 1991
Filed:
Mar. 30, 1989
Applicant:
Inventors:
Noriya Sakamoto, Kanagawa, JP;
Susumu Komatsu, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358160 ; 358 22 ; 358183 ;
Abstract
An address control circuit for a video memory of a multi-image display system. The circuit includes a video signal source, a video memory for storing the video signal, an address holding circuit for controlling write addresses of the video memory which outputs address values during a video image period and holds address value corresponding to a start instance of a blanking period during the blanking period and a bias generating circuit for positioning address areas of the video memory in which the video signal is stored.