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. 10, 1976
Filed:
Jun. 21, 1973
Applicant:
Inventors:
Kenneth Louth, Menlo Park, CA (US);
Reginald William Oldershaw, San Jose, CA (US);
Assignee:
Ampex Corporation, Redwood City, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; B65H / ;
U.S. Cl.
CPC ...
3241 / ; 242186 ;
Abstract
An unknown tape pack diameter is determined by measuring the inertia of the unknown tape pack and comparing the inertia with an inertia value representative of the inertia of a second tape pack of known diameter.