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. 07, 2026
Filed:
Feb. 20, 2025
Applicant:
Cypress Semiconductor Corporation, San Jose, CA (US);
Inventors:
Nandakishore Raimar, Bangalore, IN;
Blessy Mathew, Ernakulam, IN;
Assignee:
Infineon Technologies Americas Corp., El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/36 (2006.01); H03F 3/26 (2006.01);
U.S. Cl.
CPC ...
H03B 5/364 (2013.01); H03F 3/265 (2013.01);
Abstract
A crystal oscillator includes a two stage amplifier and a crystal. The two stage amplifier includes a transconductance amplifier stage electrically connected to a class AB output amplifier stage with open loop drive level control. The two stage amplifier provides a negative resistance. The crystal is electrically connected between an input of the two stage amplifier and an output of the two stage amplifier.
Raimar, Nandakishore. (2026). Crystal oscillators including a two stage amplifier (U.S. Patent No. 12676579). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12676579
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile