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:
May. 26, 2020
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Takeji Fujibayashi, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
A phase adjusting circuit is provided, including a signal generation circuit receiving a frequency adjusting signal and generating a reference signal having a frequency corresponding to the frequency adjusting signal; a first path receiving the reference signal and providing a first signal; a second path receiving the reference signal and providing a second signal, and time for the reference signal passing through the second path is different from time for the reference passing through the first path; a phase shifter disposed on the first path or the second path and shifting a phase of the reference signal based on a phase adjusting signal; a phase difference detection circuit detecting a phase difference between the first and the second signals; and an adjusting signal generation circuit generating the frequency adjusting signal and the phase adjusting signal based on the phase difference so that the phase difference becomes a target value.