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:
Aug. 09, 2022
Filed:
Jan. 12, 2022
Applicant:
Lenbrook Industries Limited, Pickering, CA;
Inventors:
Gregory R. Stidsen, Andover, MA (US);
Andrew Haines, Pickering, CA;
Jens Torben Sonderskov, Toronto, CA;
Taresh Vadgama, Pickering, CA;
Assignee:
Lenbrook Industries Limited, Pickering, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 3/00 (2006.01); G11B 20/02 (2006.01); H03M 1/00 (2006.01); G11B 3/64 (2006.01); H03G 3/30 (2006.01); H03G 7/00 (2006.01); H03F 3/68 (2006.01);
U.S. Cl.
CPC ...
G11B 20/02 (2013.01); G11B 3/64 (2013.01); H03M 1/001 (2013.01); H03F 3/68 (2013.01); H03G 3/3089 (2013.01); H03G 7/002 (2013.01);
Abstract
A phono-preamplifier for processing audio output signals from a turntable is powered by a variable voltage adapter such as a USB-C PD power supply adapter.