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. 20, 2019
Filed:
Mar. 06, 2017
Seiko Epson Corporation, Tokyo, JP;
Takuya Owaki, Minowa-machi, JP;
Naohisa Obata, Minowa-machi, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A temperature-compensated oscillator includes a resonator element, an oscillating circuit, and a temperature compensation circuit, and in a case of varying temperature in a temperature range of ±5° C. centered on a reference temperature in intervals of 6 minutes, and assuming observation period as τ, a wander performance fulfills a condition that an MTIE value is equal to or shorter than 6 ns in a range of 0 s<τ≤0.1 s, the MTIE value is equal to or shorter than 27 ns in a range of 0.1 s<τ≤1 s, the MTIE value is equal to or shorter than 250 ns in a range of 1 s<τ≤10 s, the MTIE value is equal to or shorter than 100 ns in a range of 10 s<τ≤1700 s, and the MTIE value is equal to or shorter than 6332 ns in a range of 100 s<τ≤1000 s.