FR2272564A2 - - Google Patents

Info

Publication number
FR2272564A2
FR2272564A2 FR7513473A FR7513473A FR2272564A2 FR 2272564 A2 FR2272564 A2 FR 2272564A2 FR 7513473 A FR7513473 A FR 7513473A FR 7513473 A FR7513473 A FR 7513473A FR 2272564 A2 FR2272564 A2 FR 2272564A2
Authority
FR
France
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.)
Granted
Application number
FR7513473A
Other languages
French (fr)
Other versions
FR2272564B2 (cs
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.)
SONTRIX
Original Assignee
SONTRIX
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
Priority claimed from US05/471,280 external-priority patent/US3982142A/en
Application filed by SONTRIX filed Critical SONTRIX
Publication of FR2272564A2 publication Critical patent/FR2272564A2/fr
Application granted granted Critical
Publication of FR2272564B2 publication Critical patent/FR2272564B2/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
FR7513473A 1974-05-20 1975-04-29 Expired FR2272564B2 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/471,280 US3982142A (en) 1973-11-05 1974-05-20 Piezoelectric transducer assembly and method for generating a cone shaped radiation pattern

Publications (2)

Publication Number Publication Date
FR2272564A2 true FR2272564A2 (cs) 1975-12-19
FR2272564B2 FR2272564B2 (cs) 1978-07-28

Family

ID=23870983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513473A Expired FR2272564B2 (cs) 1974-05-20 1975-04-29

Country Status (7)

Country Link
JP (1) JPS50154089A (cs)
CA (1) CA1027669A (cs)
DE (1) DE2517403A1 (cs)
FR (1) FR2272564B2 (cs)
GB (1) GB1512242A (cs)
IT (1) IT1046389B (cs)
NL (1) NL7505123A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394221A1 (fr) * 1977-06-10 1979-01-05 Thomson Csf Dispositif transducteur electro-acoustique reversible a caracteristique de directivite constante dans une large bande de frequences

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127353A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Hydrophone with baffle
US4332016A (en) 1979-01-26 1982-05-25 A/S Tomra Systems Method, apparatus and transducer for measurement of dimensions
DK147718C (da) * 1982-07-21 1985-05-13 Nils Jensen Ultralydapparat til niveaumaaling i tanke eller lignende forraadsrum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394221A1 (fr) * 1977-06-10 1979-01-05 Thomson Csf Dispositif transducteur electro-acoustique reversible a caracteristique de directivite constante dans une large bande de frequences

Also Published As

Publication number Publication date
DE2517403A1 (de) 1975-12-04
NL7505123A (nl) 1975-11-24
IT1046389B (it) 1980-06-30
JPS50154089A (cs) 1975-12-11
GB1512242A (en) 1978-05-24
FR2272564B2 (cs) 1978-07-28
CA1027669A (en) 1978-03-07

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