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.:

US 7646235 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 12, 2010

Filed:

Feb. 13, 2007
Applicant:

Volker Christ, Neuss, DE;

Inventor:

Volker Christ, Neuss, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01); G05F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A programmable current generator includes a decoder unit to generate a first and a second set of control signals as a function of a current control word. The current generator further includes a first and a second array of current sources, wherein the current sources of the first array generate a first current and an auxiliary current, each depending on the first set of control signals and on a reference current. The second array of current sources generates a second current depending on a second set of control signals and on the auxiliary current. An output current is generated depending on the first and the second current.


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