Patent · US Expired

Procedure and device for radiating and detecting the plurality of frequencies of electronic markers

US6954072B1 · kind B1 · utility

27Cited by
12References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 2002
Grant dateOct 11, 2005
Priority date
Expiry dateAug 22, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V3/15
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A procedure and a system for the detection of a plurality of passive electronic markers are disclosed. A marker location device capable of scanning for multiple types of electronic marker thereby increasing operator efficiency and reducing erroneous marker indications is described. In some embodiments, scanning may be performed at the operating technician's direction or may be performed in the background while the operating technician is performing other tasks.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.