Patent · US Expired

Ultrasonic device

US4635241A · kind A · utility

3Cited by

4References

4Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventor

Robert Saglio · Antony, FR

Key dates

Filing date	Aug 22, 1983
Grant date	Jan 6, 1987
Priority date	—
Expiry date	Aug 22, 2003

Classification

Technology area (CPC G)Physics
CPC primaryG01S15/87
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The device comprises at least two ultrasonic transducers emitting focused radiation and a circuit making it possible to measure the difference between the sampled signals supplied by these two transducers. This difference is cancelled out when the probe faces the object. Application to metrology and the position control of objects.

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