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:
Jun. 29, 2010
Filed:
Dec. 23, 2008
Tetsuya Makihara, Nukata-gun, JP;
Masakiyo Horie, Gamagori, JP;
Tetsuya Makihara, Nukata-gun, JP;
Masakiyo Horie, Gamagori, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A sample and hold circuit includes an op-amp, inverting-side capacitors, and non-inverting-side capacitors paired with the inverting-side capacitors. At least one capacitor pair serves as a feedback capacitor in a holding phase. A total capacitance of the inverting-side capacitors to which an input voltage is applied in a sampling phase is α, a total capacitance of the non-inverting-side capacitors to which the input voltage is applied in the sampling phase is β, a total capacitance of the inverting-side capacitors to which the input voltage is applied in a holding phase is γ, and a total capacitance of the non-inverting-side capacitors to which the input voltage is applied in the holding phase is η. α is substantially different from β. A total capacitance of a feedback capacitor pair is substantially equal to (α−β−γ+η)·(N/2), where N is a positive number.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile