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:
Dec. 09, 1997
Filed:
May. 01, 1995
Applicant:
Inventors:
Philip R Troyk, Morton Grove, IL (US);
William Heetderks, Silver Spring, MD (US);
Martin Schwan, Chicago, IL (US);
Gerald Loeb, Northridge, CA (US);
Assignees:
Illinois Institute of Technology, Chicago, IL (US);
United States of America as represented by the Department of Health and, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ; H04B / ;
U.S. Cl.
CPC ...
455127 ; 455 89 ; 455116 ; 363 97 ;
Abstract
A method for on-off modulation of a transmitter coil current of a high-Q resonant circuit transmitter comprising the steps of sensing a zero-crossing of the transmitter coil current and substantially instantaneously interrupting the transmitter coil current, and a high-Q resonant circuit transmitter for carrying out said method.