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. 23, 1990
Filed:
Jan. 17, 1989
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323315 ; 323316 ; 3072966 ; 330288 ;
Abstract
Integrated semiconductor circuit, including a control loop including a first current source acting as an actual value transmitter for the control loop, and a final control element acting on the first current source as a control, the first current source being in the form of a current mirror having a plurality of transistors each forming an output part driving a respective load element, and a second constant current source being independent of the first current source and acting as a desired value transmitter for the control loop.