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.

Date of Patent:
Oct. 19, 2021

Filed:

Apr. 07, 2020
Applicant:

Mohammad Mahdi Ahmadi, Tehran, IR;

Inventor:

Mohammad Mahdi Ahmadi, Tehran, IR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/36 (2006.01); G11C 7/06 (2006.01); H03K 5/24 (2006.01); G01R 19/165 (2006.01); G11C 27/02 (2006.01);
U.S. Cl.
CPC ...
A61N 1/36125 (2013.01); A61N 1/3606 (2013.01); A61N 1/36157 (2013.01); G01R 19/165 (2013.01); G11C 7/065 (2013.01); G11C 27/026 (2013.01); H03K 5/2481 (2013.01);
Abstract

A circuit for charge-balanced current-controlled stimulation. The circuit includes a transistor differential pair, a first current mirror, a second current mirror, and a third current mirror. The transistor differential pair includes a first differential input node, a second differential input node, a first differential output node, a second differential output node, and a common node. The transistor differential pair is configured to generate a first differential current that passes through the first differential output node and a second differential current that passes through the second differential output node. The first current mirror is configured to generate a first mirrored current based on the first differential current. The second current mirror is configured to generate a second mirrored current based on the second differential current. The third current mirror is configured to generate a third mirrored current based on the first mirrored current.


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