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. 09, 1993
Filed:
Apr. 23, 1991
Chang J Lee, Seoul, KR;
Gold Star Co., Ltd., , KR;
Abstract
An on-screen display for a camcorder comprising a zoom motor, a zoom motor gear, a zoom gear, a zoom lens, a microcomputer adapted for outputting switching control output signals, an on-screen display character signal generator adapted for generating on-screen display character signal, a luminance/color processing circuit adapted for outputting composite video signal, a zooming position detector device which comprises a variable resistor and a variable resistor gear, a reference voltage variation unit which comprises a plurality of transistors and a plurality of emitter resistors and a ground resistor, a comparison unit which comprises a comparator having an inversion input terminal and a non-inversion input terminal. The present invention can provide an on-screen display for a camcorder which can prevent the user from missing the important scene and provide good pictures which are prevented from being shaken and out of composition.