IT1035607B - Perfezionamento nei dispositivo di misura di ratardo di propagazione in particolare per ecoscan dagli e simili - Google Patents

Perfezionamento nei dispositivo di misura di ratardo di propagazione in particolare per ecoscan dagli e simili

Info

Publication number
IT1035607B
IT1035607B IT49423/75A IT4942375A IT1035607B IT 1035607 B IT1035607 B IT 1035607B IT 49423/75 A IT49423/75 A IT 49423/75A IT 4942375 A IT4942375 A IT 4942375A IT 1035607 B IT1035607 B IT 1035607B
Authority
IT
Italy
Prior art keywords
ecoscan
dagli
improvement
similar
rate measurement
Prior art date
Application number
IT49423/75A
Other languages
English (en)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1035607B publication Critical patent/IT1035607B/it

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)
IT49423/75A 1974-05-06 1975-05-02 Perfezionamento nei dispositivo di misura di ratardo di propagazione in particolare per ecoscan dagli e simili IT1035607B (it)

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
IT1035607B true IT1035607B (it) 1979-10-20

Family

ID=19821303

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49423/75A IT1035607B (it) 1974-05-06 1975-05-02 Perfezionamento nei dispositivo di misura di ratardo di propagazione in particolare per ecoscan dagli e simili

Country Status (9)

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

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 SPEED SENSOR FOR USE IN WATER AND METHOD FOR DETERMINING SPEED OF SOUNDS IN 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
FR2270568B1 (it) 1979-03-16
AU499051B2 (en) 1979-04-05
JPS574853B2 (it) 1982-01-27
FR2270568A1 (it) 1975-12-05
AU8078575A (en) 1976-11-04
CA1032263A (en) 1978-05-30
US4038629A (en) 1977-07-26
DE2517902A1 (de) 1975-11-27
GB1489013A (en) 1977-10-19
NL7406033A (nl) 1975-11-10
DE2517902C2 (de) 1982-10-07
JPS50151573A (it) 1975-12-05

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