FR2274032B1 - - Google Patents

Info

Publication number
FR2274032B1
FR2274032B1 FR7419390A FR7419390A FR2274032B1 FR 2274032 B1 FR2274032 B1 FR 2274032B1 FR 7419390 A FR7419390 A FR 7419390A FR 7419390 A FR7419390 A FR 7419390A FR 2274032 B1 FR2274032 B1 FR 2274032B1
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.)
Expired
Application number
FR7419390A
Other languages
French (fr)
Other versions
FR2274032A1 (fr
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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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 Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR7419390A priority Critical patent/FR2274032A1/fr
Priority to CH706775A priority patent/CH592869A5/xx
Priority to DE19752524467 priority patent/DE2524467C3/de
Priority to BE157033A priority patent/BE829867A/xx
Priority to ES438272A priority patent/ES438272A1/es
Priority to IT2402075A priority patent/IT1038692B/it
Priority to GB2431975A priority patent/GB1498220A/en
Publication of FR2274032A1 publication Critical patent/FR2274032A1/fr
Application granted granted Critical
Publication of FR2274032B1 publication Critical patent/FR2274032B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • 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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR7419390A 1974-06-05 1974-06-05 Perfectionnements aux comparaphones Granted FR2274032A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7419390A FR2274032A1 (fr) 1974-06-05 1974-06-05 Perfectionnements aux comparaphones
CH706775A CH592869A5 (xx) 1974-06-05 1975-06-02
DE19752524467 DE2524467C3 (de) 1974-06-05 1975-06-03 Einrichtung zum Messen der Lautpegeldifferenz zwischen zwei Raumpunkten
BE157033A BE829867A (fr) 1974-06-05 1975-06-04 Perfectionnements aux comparaphones
ES438272A ES438272A1 (es) 1974-06-05 1975-06-05 Perfeccionamientos aportados a los comparafonos.
IT2402075A IT1038692B (it) 1974-06-05 1975-06-05 Perfezionamenti ai comparafoni
GB2431975A GB1498220A (en) 1974-06-05 1975-06-05 Sound level comparator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419390A FR2274032A1 (fr) 1974-06-05 1974-06-05 Perfectionnements aux comparaphones

Publications (2)

Publication Number Publication Date
FR2274032A1 FR2274032A1 (fr) 1976-01-02
FR2274032B1 true FR2274032B1 (xx) 1976-10-15

Family

ID=9139645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419390A Granted FR2274032A1 (fr) 1974-06-05 1974-06-05 Perfectionnements aux comparaphones

Country Status (7)

Country Link
BE (1) BE829867A (xx)
CH (1) CH592869A5 (xx)
DE (1) DE2524467C3 (xx)
ES (1) ES438272A1 (xx)
FR (1) FR2274032A1 (xx)
GB (1) GB1498220A (xx)
IT (1) IT1038692B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418461A1 (fr) * 1978-02-24 1979-09-21 Telediffusion Fse Appareil de mesure d'isolement acoustique
DE3334260A1 (de) * 1983-09-22 1985-04-11 Werner Dipl Ing Widmeier Schallmessgeraet
GB2317698B (en) * 1983-10-10 1998-07-15 Secr Defence Acoustic sink for a sonar dome
DE19508663C2 (de) * 1995-03-14 2001-03-08 Deutsch Zentr Luft & Raumfahrt Vorrichtung zur Druckmessung

Also Published As

Publication number Publication date
DE2524467A1 (de) 1975-12-18
IT1038692B (it) 1979-11-30
CH592869A5 (xx) 1977-11-15
FR2274032A1 (fr) 1976-01-02
GB1498220A (en) 1978-01-18
BE829867A (fr) 1975-10-01
ES438272A1 (es) 1977-01-16
DE2524467C3 (de) 1979-03-15
DE2524467B2 (de) 1978-07-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse