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:
Aug. 04, 1992
Filed:
Dec. 22, 1989
Toshiaki Tabuchi, Nara, JP;
Kyoji Kasuga, Tenri, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A video signal recording/reproducing apparatus with two groups of rotary heads which respectively include one main head and two auxiliary heads is set forth. The apparatus includes a head switching device for switching one of the two auxiliary heads into operation according to input video signals and a tape speed switching device for switching the running speed of a video tape according to the input video signals. The apparatus permits the video signal recording/reproducing of both video signals having a wide band and a narrow band. The apparatus also defines an effective tape wrap angle wherein the position of head switching is removed from a screen so that the division of images within the screen is avoidable and so that noise bars produced in the boarders of these images do not appear even in the case of special reproduction. The apparatus further permits recording of video signals on a video tape while approximately conforming a line number in the center of the main tracks to that in the center of the effective lines of the TV image. Accordingly, noise bars produced by head switching and image parts with less information amount can be removed by separating and locating them out of the upper and lower ends of the screen.