Patent · US Expired

System and method for operating a loop detector

US7221289B2 · kind B2 · utility

23Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 2004
Grant dateMay 22, 2007
Priority date
Expiry dateMar 2, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/042
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The temperature of an operator circuit is measured. A relationship between the temperature of the operator circuit and characteristics of the operator circuit is determined. The relationship is applied to the measured temperature of the operator circuit to create an adjustment action. The detection threshold is adjusted by the adjustment action.

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