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. 11, 1986
Filed:
Jul. 03, 1984
Louis P Agostini, Leeuw-St-Pierre, BE;
Staar S.A., Brussels, BE;
Abstract
A record disc player apparatus has a frame including an entrance for a disc inserted through the entrance to a loading position, the disc being movable from the loading position to a playing position in an operating plane. A drive spindle mounted perpendicularly relative to the operating plane and aligned with the center of a disc in loading position is driven by a drive motor having a wound stator, a permanent magnet rotor, and a drive shaft mounted for movement axially of the spindle from a disc loading position in which the rotor is offset from the stator to a disc playing position in which the rotor is proximate to and rotated by the magnetic field of the stator. The stator of the motor is formed as a printed circuit on a board. A device moves the rotor, drive shaft and spindle from the disc loading position toward the playing position to an intermediate position and the magnetic field of the stator exerts an electromagnetic force on the rotor for moving the rotor from the intermediate position to the disc playing position and for maintaining the rotor in the disc playing position while the disc is rotated.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile