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. 29, 1984
Filed:
Sep. 11, 1981
Applicant:
Inventor:
Ernst A Kilian, Hamburg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F / ; H03G / ;
U.S. Cl.
CPC ...
330107 ; 330282 ; 330294 ;
Abstract
A treble-control circuit which exhibits a particularly low noise level and which can be controlled digitally in a simple manner. The treble control circuit comprises an amplifier having an output connected to the arrangement of a capacitor in series with a resistor chain. The tappings of said resistor chain are connected to an inverting input of the amplifier via a first switch and to the output of the treble control circuit via a second switch.
Kilian, Ernst. (1984). Circuit arrangement with controllable transfer characteristic at higher (U.S. Patent No. 4451795). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4451795
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile