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:
Jun. 27, 1989
Filed:
Feb. 05, 1988
Sam Andreas, Conshohocken, PA (US);
Recoton Corporation, Long Island City, NY (US);
Abstract
A simple and inexpensive demagnetizer for the magnetic heads of a tape cassette recording and/or reproducing device includes an intermediate gear which is rotated by either one of two hub gears engaging respective drive spindles of the recording and/or reproducing device. A push-pull rod has one end pivotally connected to an outer radial position of the intermediate gear and another end pivotally connected to a source of alternating magnetic field of constant intensity. Rotation of the intermediate gear causes the magnetic field generator to be cylically and linearly reciprocated with respect to the head so as to produce a decreasing magnetic field at the head.