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:
Jan. 30, 2024
Filed:
Apr. 18, 2022
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Jean-Olivier Plouchart, New York, NY (US);
Sudipto Chakraborty, Plano, TX (US);
Daniel Joseph Friedman, Sleepy Hollow, NY (US);
Baibhab Chatterjee, West Lafayette, IN (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/12 (2006.01); H01G 5/40 (2006.01);
U.S. Cl.
CPC ...
H03B 5/1253 (2013.01); H01G 5/40 (2013.01); H03B 5/1293 (2013.01);
Abstract
A variable capacitor device comprises first and second control paths which are configured to enable differential control using first and second transistors of a same doping type in the first and second control paths, respectively, wherein the first and second transistors are configured as voltage variable resistors for tuning a capacitance of the variable capacitor device.