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:
Jul. 14, 1987
Filed:
Nov. 16, 1983
Takeshi Ito, Yokohama, JP;
Tokyo Shibaura Denki Kabushiki, Kawasaki, JP;
Abstract
A detector for detecting a space between blocks of data recorded on a recording medium, comprising a recording medium with a given speed, which provides a reproduction signal corresponding to an information recorded on the recording medium and issues a transport operation indicating signal; a discrimination means for discriminating the transport operation indicating signal, which provides a filter characteristic changing signal in accordance with the transport operation indicating signal; and a variable filter means for filtering the reproduction signal and providing a timing signal, of which filtering characteristic is changed in accordance with the filter characteristic changing signal. An operation mode of the recording medium transport means is changed by a transport control signal corresponding to the timing signal.