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. 31, 2012
Filed:
May. 10, 2010
Yoshihiro Nagai, Kawasaki, JP;
Masakazu Amanai, Kawasaki, JP;
Masahiko Kashimura, Kawasaki, JP;
Masato Taki, Miyoshi, JP;
Norihiro Honda, Toyota, JP;
Kazushi Yamanaka, Ichinomiya, JP;
Yoshihiro Nagai, Kawasaki, JP;
Masakazu Amanai, Kawasaki, JP;
Masahiko Kashimura, Kawasaki, JP;
Masato Taki, Miyoshi, JP;
Norihiro Honda, Toyota, JP;
Kazushi Yamanaka, Ichinomiya, JP;
Renesas Electronics Corporation, Kanagawa, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Abstract
Booster circuit comprising: first transistor that is connected to first node; capacitor that has one end connected to first node, and that is charged with voltage of first node when first transistor is activated; and control signal generating circuit that provides control terminal of first transistor with control signal being in accordance with first clock, wherein when first transistor is de-activated, capacitor boosts voltage of first node to first voltage by voltage being applied to or end of capacitor, voltage applied to or end being at least ½ as great as first supply voltage, and control signal generating circuit sets voltage of control signal when first transistor is de-activated to be first voltage of first node, and sets voltage of control signal when first transistor is activated to be voltage, difference between voltage and first voltage being equal to or smaller than value of first supply voltage.