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:
Dec. 06, 2022
Filed:
Jul. 28, 2021
Seiko Epson Corporation, Tokyo, JP;
Norihito Matsukawa, Shimosuwa-machi, JP;
Manabu Kondo, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An oscillator includes: an outer package; an inner package accommodated in the outer package and fixed to the outer package via a heat insulating member; a vibration element accommodated in the inner package; a temperature sensor; a first circuit element accommodated in the inner package and including an oscillation circuit configured to oscillate the vibration element and generate a temperature-compensated oscillation signal based on the temperature sensor; and a second circuit element fixed to the outer package and including a frequency control circuit configured to control a frequency of the oscillation signal.