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:
Jul. 04, 1989
Filed:
Dec. 30, 1987
Applicant:
Inventor:
Heinz Rinderle, Heilbronn, DE;
Assignee:
Telefunken electronic GmbH, Heilbronn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330306 ; 330305 ;
Abstract
In an amplifier comprising an amplifier transistor and a tunable selection circuit with a coil, a further coil is arranged between the collector of the amplifier transistor and the supply voltage source and is inductively coupled with the coil of the tunable selection circuit.