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:
Jun. 20, 2006
Filed:
Jul. 22, 2004
Applicants:
Eli A. Richards, Catonsville, MD (US);
Dennis K. Wickenden, Woodbine, MD (US);
Inventors:
Eli A. Richards, Catonsville, MD (US);
Dennis K. Wickenden, Woodbine, MD (US);
Assignee:
The Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/00 (2006.01); H03B 5/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided herein is a xylophone bar magnetometer (XBM) with automatic resonance control, the XBM having a voltage input, a current drive input and a sensor output, having a voltage input switch for switching between a positive drive voltage and a negative drive voltage; a voltage controlled oscillator (VCO) for controlling the voltage input switch; and a feedback loop, connected between the sensor output and a input of the VCO.