GB1489013A - Propagation delay meter - Google Patents

Propagation delay meter

Info

Publication number
GB1489013A
GB1489013A GB18432/75A GB1843275A GB1489013A GB 1489013 A GB1489013 A GB 1489013A GB 18432/75 A GB18432/75 A GB 18432/75A GB 1843275 A GB1843275 A GB 1843275A GB 1489013 A GB1489013 A GB 1489013A
Authority
GB
United Kingdom
Prior art keywords
pulse
transducer
reflector
echo
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB18432/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1489013A publication Critical patent/GB1489013A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2437—Piezoelectric probes
    • G01N29/245—Ceramic probes, e.g. lead zirconate titanate [PZT] probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Multimedia (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB18432/75A 1974-05-06 1975-05-02 Propagation delay meter Expired GB1489013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406033A NL7406033A (nl) 1974-05-06 1974-05-06 Looptijdmeter.

Publications (1)

Publication Number Publication Date
GB1489013A true GB1489013A (en) 1977-10-19

Family

ID=19821303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18432/75A Expired GB1489013A (en) 1974-05-06 1975-05-02 Propagation delay meter

Country Status (9)

Country Link
US (1) US4038629A (enExample)
JP (1) JPS574853B2 (enExample)
AU (1) AU499051B2 (enExample)
CA (1) CA1032263A (enExample)
DE (1) DE2517902C2 (enExample)
FR (1) FR2270568B1 (enExample)
GB (1) GB1489013A (enExample)
IT (1) IT1035607B (enExample)
NL (1) NL7406033A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182154A (en) * 1976-08-06 1980-01-08 Mannesmann Aktiengesellschaft Initializing ultrasonic test equipment with a particular reference element
US4342518A (en) * 1980-12-01 1982-08-03 The United States Of America As Represented By The Secretary Of The Navy Subseafloor environmental simulator
JPS57166763A (en) * 1981-04-06 1982-10-14 Hitachi Ltd Automatic answering telephone set
US4926395A (en) * 1987-10-15 1990-05-15 The Regents Of The University Of California Method and system for measuring sound velocity
DE19648112C1 (de) * 1996-11-21 1998-03-05 Contitech Luftfedersyst Gmbh Einrichtung zur berührungslosen Abstandsmessung
JP5275486B1 (ja) * 2012-02-16 2013-08-28 日本郵船株式会社 船速計および船速計測方法
EP3390987A4 (en) * 2017-03-02 2019-10-09 AML Oceanographic Ltd. SOUND VELOCITY SENSOR FOR USE UNDER WATER AND METHOD FOR DETERMINING THE SOUND VELOCITY UNDER WATER

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778273A (en) * 1953-03-03 1957-01-22 Robert E Fellmeth Rearview mirror
US3184959A (en) * 1961-04-03 1965-05-25 Lockheed Aircraft Corp Velocity of sound meter
US3273111A (en) * 1964-08-03 1966-09-13 Bosch Arma Corp Apparatus for measuring the velocity of acoustical waves

Also Published As

Publication number Publication date
IT1035607B (it) 1979-10-20
DE2517902A1 (de) 1975-11-27
NL7406033A (nl) 1975-11-10
FR2270568A1 (enExample) 1975-12-05
JPS574853B2 (enExample) 1982-01-27
DE2517902C2 (de) 1982-10-07
US4038629A (en) 1977-07-26
AU499051B2 (en) 1979-04-05
AU8078575A (en) 1976-11-04
FR2270568B1 (enExample) 1979-03-16
JPS50151573A (enExample) 1975-12-05
CA1032263A (en) 1978-05-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee