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:
Jan. 15, 1980
Filed:
Apr. 07, 1978
Applicant:
Inventor:
Dale P Dolby, Los Altos, CA (US);
Assignee:
Ampex Corporation, Redwood City, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360107 ; 360109 ;
Abstract
A rotating transducing head drum that mounts a number of transducer heads for sweeping rotation across the surface of a record medium. The head mounts are either of the bimorph, i.e., laterally displaceable leaf type, or of a non-displaceable leaf type simulating the displaceable type; in either case the mounts are factory secured in substantially identical shoes and in precise predetermined dimensional relation to radially, axially and circumferentially facing gauge surfaces of the shoes. Mating gauge surfaces are factory formed on the drum. Thus, the heads with their shoes are interchangeable in the field without the need for field adjustments.