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. 30, 2006
Filed:
Jan. 28, 2004
Kenji Toyoda, Osaka, JP;
Michihito Ueda, Takatsuki, JP;
Kiyoshi Morimoto, Hirakata, JP;
Kiyoyuki Morita, Yawata, JP;
Kenji Toyoda, Osaka, JP;
Michihito Ueda, Takatsuki, JP;
Kiyoshi Morimoto, Hirakata, JP;
Kiyoyuki Morita, Yawata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A voltage generating circuit comprising a capacitor (), a ferroelectric capacitor () serially connected to the capacitor (), an output terminal (), a capacitor () which grounds the output terminal (), a supply voltage supplying terminal (), a switch () which connects the supply voltage supplying terminal () and the connecting node (N) of the two capacitors (), and a switch () which connects the connecting node (N) and output terminal (); wherein during a first period, with the two switches () and () placed in the OFF state, a terminal () is grounded and a terminal () is provided with a supply voltage; wherein during a second period, the terminal () is provided with the supply voltage and the switch () is placed in the ON state; wherein during a third period, the switch () is placed in the OFF state, the switch () is placed in the ON state, and the terminal () is grounded; wherein during a fourth period, the terminal () is provided with the supply voltage; and wherein thereafter the first through fourth periods are repeated.