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:
Oct. 02, 1990
Filed:
Jan. 19, 1989
Nippon Television Network Corporation, Tokyo, JP;
Abstract
In transmitting, on a transmission side, a laterally long image whose aspect ratio is different from a usual television screen having aspect ratio of 3:4, with a top and a bottom portions of the screen being image-free, auxiliary signal obtained by shifting a signal component corresponding to a different in frequency band determined by the number of scan lines corresponding to a height of the image and a signal component exceeding a horizontal frequency band determined by a luster line length to lower frequency sides, respectively, are inserted into the image-free portions, which are used in a receiving side. In the receiving side, the auxiliary signals are separated in time from the image signal and processed separately.