Patent · US Expired

Ultrasonic testing device

US4656870A · kind A · utility

9Cited by

3References

10Claims

0Family size

Assignee

Kraftwerk Union Aktiengesellschaft · DE

Inventors

Klaus Ruthrof · Nürnberg, DE
Georg Holzler · Möhrendorf, DE
Rudolf Korner · Bretten, DE

Key dates

Filing date	Jul 25, 1985
Grant date	Apr 14, 1987
Priority date	—
Expiry date	Jul 25, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG10K11/004
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Ultrasonic testing device with a test head which includes an electromechanical transducer, especially a piezoelectric oscillator, with an ultrasonic equipment and with a shielded cable which connects the test head to the ultrasonic equipment. The test head has two electrically conducting shields which surround the transducer in cup-fashion. The two shields are connected to the outer conductors of the triple coaxial cable. The outer conductor of the cable is connected to a metal housing of the ultrasonic equipment and is grounded.

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