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:
Apr. 18, 1978
Filed:
Oct. 07, 1976
Applicant:
Inventors:
William A Palm, Minnetonka, MN (US);
Duane A Young, Bloomington, MN (US);
Assignee:
Control Data Corporation, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330295 ; 330 51 ; 330252 ;
Abstract
A transistor amplifier circuit operating in matrix interconnection for selectively amplifying signals received on a magnetic recording media by a low impedance head is disclosed which uses a common base preamplifier circuit for signal selection with a common collector amplifier and a common emitter feed-back network.
Quick Actions:
Palm, William. (1978). Matrix selection amplifier circuit for low impedance heads in a magnetic (U.S. Patent No. 4085383). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4085383
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile