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:
Nov. 19, 2019
Filed:
Nov. 03, 2017
Applicant:
Johnson Electric S.a., Murten, CH;
Inventors:
Chiping Sun, Hong Kong, CN;
Ken Wong, Hong Kong, CN;
Huimin Guo, Hong Kong, CN;
Yat Tung Lai, Hong Kong, CN;
Shujuan Huang, Shenzhen, CN;
Assignee:
Johnson Electric International AG, Murten, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/011 (2006.01); H03K 3/0231 (2006.01); H03K 4/501 (2006.01); H03K 3/354 (2006.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
H03K 3/011 (2013.01); H02P 27/08 (2013.01); H02P 27/085 (2013.01); H03K 3/0231 (2013.01); H03K 3/354 (2013.01); H03K 4/501 (2013.01);
Abstract
A RC oscillator comprises a resistor unit. The resistor unit can comprise at least one set of compensation resistor. Each set of compensation resistor comprises a positive temperature coefficient resistor and a negative temperature coefficient resistor coupled in series with the positive temperature coefficient resistor.