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. 30, 2005
Filed:
Sep. 27, 2001
Applicants:
Mitsuya Ohie, Kanagawa, JP;
Kyotaro Nakamura, Tokyo, JP;
Shuichi Hashidate, Tokyo, JP;
Inventors:
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F001/26 ; G06F013/00 ;
U.S. Cl.
CPC ...
Abstract
A micro-controller includes a USB control unit, an MC unit having an operation mode and a stop mode and an oscillating circuit, which is commonly used by the USB control unit and the MC unit. The USB control unit includes a watching circuit for watching a condition of a first data and a second data, which is complement data of the first data. The operation of the oscillating circuit is controlled in response to an operation control signal, which is generated by a watching result, and an oscillation control signal whose voltage level is changed in response to the mode of the MC unit.