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:
May. 05, 1981
Filed:
Apr. 26, 1978
Applicant:
Inventor:
Marvin Camras, Glencoe, IL (US);
Assignee:
IIT Research Institute, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 90 ; 36013024 ; 36013031 ;
Abstract
A capstan having one or more annular slots with transducer heads therein for scanning of respective channels of a tape record medium, preferably with a vacuum source coupled with the slot or slots and for example an insert shaped to break the vacuum at a tape release position of the slot. A capstan pressure roller if used may be relieved at the groove or grooves and at locations corresponding to the edges of the tape path about the capstan.