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:
Apr. 19, 2011
Filed:
Mar. 04, 2003
J. Nelson Wright, Mercer Island, WA (US);
Laurence J. Newell, Mercer Island, WA (US);
J. Nelson Wright, Mercer Island, WA (US);
Laurence J. Newell, Mercer Island, WA (US);
Calypso Medical Technologies, Inc., Seattle, WA (US);
Abstract
Embodiments of the invention are directed to an apparatus for use in a system that senses an excitable wireless target capable of being implanted in a body or tissue. The apparatus includes multiple electromagnetic field sensors arranged approximately in a common plane, and multiple sense signal output paths coupled to the sensors. Each one of the sensors and corresponding output paths is configured to provide an output signal representing at least a portion of an electromagnetic field provided by the marker, where the output signal is proportional to a component of the field at the sensor, where that component is substantially perpendicular to the plane. Various other configurations regarding this apparatus, as well as the overall system and methods of exciting and receiving signals from wireless markers, are also disclosed.