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1. US20110120209 - Detector and methods of detecting

Office United States of America
Application Number 13054062
Application Date 16.07.2009
Publication Number 20110120209
Publication Date 26.05.2011
Grant Number 09074963
Grant Date 07.07.2015
Publication Kind B2
IPC
G01M 3/24
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
3Investigating fluid tightness of structures
02by using fluid or vacuum
04by detecting the presence of fluid at the leakage point
24using infrasonic, sonic, or ultrasonic vibrations
G01H 11/08
GPHYSICS
01MEASURING; TESTING
HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
11Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
06by electric means
08using piezo-electric devices
G01N 29/30
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
29Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
22Details
30Arrangements for calibrating or comparing, e.g. with standard objects
CPC
G01M 3/243
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
3Investigating fluid-tightness of structures
02by using fluid or vacuum
04by detecting the presence of fluid at the leakage point
24using infrasonic, sonic, or ultrasonic vibrations
243for pipes
G01H 11/08
GPHYSICS
01MEASURING; TESTING
HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
11Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
06by electric means
08using piezo-electric devices
Applicants Darren Michael Rose
Rosemount Measurement Limited
Inventors Darren Michael Rose
Agents Lewis Rice LLC
Priority Data 0813014.8 16.07.2008 GB
Title
(EN) Detector and methods of detecting
Abstract
(EN)

An ultrasonic detector (10) suitable for mounting in a position for surveying an area for a source of airborne ultrasound, which detector comprises a sensor (20) for detecting an ultrasonic sound signal, characterized by a transducer (64) configured to produce a broadband ultrasonic sound signal for reception by said sensor (20) enabling said ultrasonic detector to perform a self-test.