Patent · US Expired

Method and apparatus for detecting and characterizing splits in logs

US6092418A · kind A · utility

22Cited by

9References

14Claims

0Family size

Assignees

PERCEPTRON, INC. · US
The United States of America, as represented by the Secretary of Agriculture · US

Inventors

Mark E. Schafer · New York, US
Robert J. Ross · Raleigh, US

Key dates

Filing date	Nov 20, 1998
Grant date	Jul 25, 2000
Priority date	—
Expiry date	Nov 20, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/2634
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Ultrasonic techniques are applied to the measurement of wooden members to identify splits in wooden members. Multiple angularly displaced measurements allow detection of splits at arbitrary angles.

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