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. 12, 2002
Filed:
Apr. 20, 1998
Sony Corporation, Tokyo, JP;
Abstract
A rotary magnetic head apparatus is provided which can be formed into a small size even if a plurality of reproduction heads are provided. The rotary magnetic head apparatus includes a rotary drum having a rotor of a transmission apparatus and a plurality of reproduction heads, a fixed drum having a stator of the transmission apparatus and a plurality of reproduction heads, a reproduction signal selection device for selecting a reproduction signal of an information recording medium, which signal is obtained by each of the reproduction heads and for arranging the reproduction signal in sequence, a rotor reproduction signal wiring section which is disposed in the rotor and to which is supplied the reproduction signal of each of the reproduction heads, which reproduction signal is sent from the reproduction signal selection device, and a stator reproduction signal wiring section, which is disposed in the stator, for receiving the reproduction signal from the rotor reproduction signal wiring section without contact.