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:
Mar. 07, 2017
Filed:
Nov. 18, 2010
Applicants:
Chung Shing Fan, Toronto, CA;
Joel Ironstone, Toronto, CA;
Kenneth Carless Smith, Toronto, CA;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/05 (2006.01); A61B 5/053 (2006.01); G01R 31/00 (2006.01); G01R 27/02 (2006.01); A61B 5/00 (2006.01); H03F 3/50 (2006.01); H03F 3/60 (2006.01); G01R 1/30 (2006.01);
U.S. Cl.
CPC ...
A61B 5/053 (2013.01); A61B 5/0537 (2013.01); A61B 5/4869 (2013.01); A61B 5/4875 (2013.01); A61B 5/4878 (2013.01); A61B 5/6843 (2013.01); A61B 5/6885 (2013.01); A61B 5/7203 (2013.01); G01R 1/30 (2013.01); G01R 27/02 (2013.01); G01R 31/00 (2013.01); H03F 3/50 (2013.01); H03F 3/602 (2013.01); H03F 2200/261 (2013.01);
Abstract
Apparatus for electrically connecting measurement apparatus to a biological subject, the apparatus including a signal delivery circuit including a current buffer having a current buffer input for receiving a signal from a signal source and a current buffer output for supplying a current to an electrode attached to the biological subject, and a voltage buffer having a voltage buffer input coupled to the current buffer output and a voltage buffer output for providing a voltage signal indicative of a voltage at the electrode, to a sensor.