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:
Oct. 22, 2013
Filed:
Feb. 14, 2011
Christian Lotto, Zürich, CH;
Peter Seitz, Urdorf, CH;
Simon Neukom, Uster, CH;
Abstract
The present invention discloses a solid-state electric charge sensor () comprising at least one signal-readout circuit () that comprises a current source () and a column line (). The sensor also comprises at least one charge detector circuit () that is operatively coupled with the at least one signal-readout circuit (). The at least one signal-readout circuit () is characterized by further comprising at least one open-loop amplifier (), the input of which is operatively connectable with the at least one column signal line () and with the at least one current source (); at least one feedback line () that is operatively connectable with the output () of the at least one open-loop amplifier (); and operative to selectively form a negative feedback loop; and wherein the open-loop amplifier () has an inverting voltage gain.