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:
Jan. 05, 2010
Filed:
Aug. 21, 2007
Hajime Kurata, Kawasaki, JP;
Kunihiko Gotoh, Kawasaki, JP;
Hajime Kurata, Kawasaki, JP;
Kunihiko Gotoh, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A reference voltage generator circuit is provided which is capable of stable generation of a reference voltage. A differential amplifier circuit has a non-inverting input terminal input with the voltage Vbegenerated by a PNP transistor Qand an inverting input terminal input with an output signal thereof. A differential amplifier circuit has a non-inverting input terminal input with the voltage Vbegenerated by a PNP transistor Qand an inverting input terminal input with the output signal of the differential amplifier circuit through a resistor Rand also input with an output signal thereof through a resistor R, to generate a reference voltage Vref.