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. 01, 2013
Filed:
Feb. 04, 2011
Peter Trattler, Graz, AT;
Stefan Wiegele, Graz, AT;
Manfred Pauritsch, Graz, AT;
AMS AG, Unterpremstaetten, AT;
Abstract
A current source (), comprising a bipolar transistor () including a control terminal and a controlled path, a first terminal on the controlled path, to which first terminal an electrical load (D, D) may be connected, a second terminal on the controlled path, which second terminal may be connected to a reference potential via a resistor (), a measuring device () coupled to the control terminal for measuring a control current on the control terminal, a compensation device () coupled to the measuring device () and the bipolar transistor () in such a manner that the control current of the bipolar transistor () is compensated for at the first terminal of the controlled path.