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. 21, 1983
Filed:
Jun. 24, 1981
Michel Favreau, Paris, FR;
Thomson-CSF, Paris, FR;
Abstract
The present invention relates to a television system using a pickup tube performing an oscillatory scan. On reception the picture restoration device uses a receiving tube which performs a linear restoration, but with a line frequency which is double the scan frequency. In addition, the signal supplied for the pickup tube is processed on reception by two separate processing channels. The two channels respectively supply first and second signals respectively corresponding to the low part and the high part of the receiving tube input signal spectrum. This input signal is then reconstituted by means of an analog mixer. This leads to a much better definition than that obtained with existing television systems.