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. 25, 2013
Filed:
Apr. 27, 2012
Applicants:
Marko Mailand, Dresden, DE;
Stefan Getzlaff, Käbschütztal, DE;
Inventors:
Marko Mailand, Dresden, DE;
Stefan Getzlaff, Käbschütztal, DE;
Assignee:
Zentrum Mikroelektronik Dresden AG, Dresden, DE;
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit for performing arithmetic operations includes a differential capacitive transimpedance amplifier (CTIA) and a cross-multiplexer. The cross multiplexer forwards the current to be integrated out of a plurality of current sources either to the positive input port of the differential CTIA for positive integration in direct mode or to the negative input port of the differential CTIA for negative integration in reverse mode.