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:
Mar. 20, 1984
Filed:
Sep. 10, 1981
Toyosaku Matsumoto, Hamamatsu, JP;
Nippon Gakki Seizo Kabushiki Kaisha, Hamamatsu, JP;
Abstract
A disk player system having a disk sucking function includes a disk sucking member of a configuration defining a suction space between it and a disk and a suction channel provided for communicating the suction space with an atmosphere about a center spindle or about a peripheral portion of the disk sucking member. A suction pump provided for sucking the disk is made detachable from a turntable so that a disk sucking operation is performed before the disk is played and the suction pump is detached when the disk is played. According to the system, deterioration of quality of the reproduced signal is prevented and a sucking efficiency is improved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile