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. 19, 1984
Filed:
Oct. 13, 1981
Applicant:
Inventors:
Yoshifumi Saeki, Tokyo, JP;
Kenji Yashiro, Tokyo, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 86 ; 455-4 ; 455-5 ;
Abstract
In a cable television system wherein a polling channel is provided for two-way communications between the center and the terminal units, video data signals are transmitted on request from the center to the terminal units during an otherwise idle period in said polling channel.