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:
Nov. 25, 1986
Filed:
Aug. 03, 1984
Ljubomir Micic, Freiburg, DE;
Rolf D Burth, Emmendingen, DE;
Thomas Fischer, Umkirch, DE;
Rainer Schweer, Mengen, DE;
ITT Industries, Inc., New York, NY (US);
Abstract
A sensor system is adapted for use in automatically adjusting the deflection system of a television picture tube so as to compensate for pincushion distortion including a rectangular frame disposed along the edge of the screen within the sweep range of the electron beam. The frame comprises a striplike, regular arrangement of alternately transparent and opaque segments. In a first embodiment, a conductive path having an external terminal and shielded from the cathode of the television picture tube at regular intervals by equally large metal areas runs along the edge of the screen. This arrangement is on the inside of the screen. In a second embodiment, an optical-fiber array with at least one light-sensitive detector mounted at at least one corner is used.