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:
May. 12, 2015
Filed:
Dec. 14, 2012
Applicant:
Stmicroelectronics R&d (Shanghai) Co. Ltd., Shanghai, CN;
Inventors:
Panny Cai, Shanghai, CN;
Martin Haug, Shanghai, CN;
Assignee:
STMicroelectronics R&D (Shanghai) Co. Ltd., Shanghai, CN;
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/04 (2006.01); G06F 1/12 (2006.01); G06F 11/30 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 1/04 (2013.01); G06F 11/3051 (2013.01); G06F 3/044 (2013.01);
Abstract
A method for recovering a clock frequency of a CAN bus, the method including: receiving a data signal, wherein the data signal includes at least one state transition; detecting the state transition; and adjusting a frequency of a clocking signal generated by an oscillator circuit, wherein the frequency is adjusted when the state transition is detected and adjusting the frequency is for recovering the clock frequency of the CAN bus.