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. 03, 1993
Filed:
Oct. 30, 1991
Sadao Uchiyama, Higashihiroshima, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A magnetic write/read device with use of a rotating drum system in which first and second writing heads are arranged around a rotating drum and the first and second writing heads overwrite first and second tracks on a magnetic tape so that one frame is formed by a pair of the adjacent first and second tracks, the magnetic write/read device comprises first and second reading heads arranged in the rotating drum and corresponding to the first and second writing heads, respectively and the controlling means for controlling each head in sequence so that the first track of the present frame is recorded by the first writing head and then the first and second tracks of the penultimate frame are reproduced by the first and second reading heads, and in turn the second track of the present frame is recorded by the second writing head.