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. 23, 1988
Filed:
Oct. 04, 1985
Applicant:
Inventors:
Takao Itabashi, Tokyo, JP;
Junya Saito, Saitama, JP;
Norihito Ichikawa, Tokyo, JP;
Yoshinori Komiya, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358188 ; 3581911 ; 455186 ;
Abstract
Method and apparatus for use with a television receiver wherein a television signal is processed in a digital form and which includes a memory for storing data to control such processing, in which a circuit is provided for refreshing the data in the memory at successive vertical blanking periods and a circuit is also provided for writing input data into the memory at the appropriate location at any time new data is desired to be input by the user. An operating method is also provided to accomplish the functional tasks of the refreshing circuit and interrupt circuit.