ES438272A1 - Perfeccionamientos aportados a los comparafonos. - Google Patents

Perfeccionamientos aportados a los comparafonos.

Info

Publication number
ES438272A1
ES438272A1 ES438272A ES438272A ES438272A1 ES 438272 A1 ES438272 A1 ES 438272A1 ES 438272 A ES438272 A ES 438272A ES 438272 A ES438272 A ES 438272A ES 438272 A1 ES438272 A1 ES 438272A1
Authority
ES
Spain
Prior art keywords
microphones
bell
level comparator
sound level
parabolic
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
ES438272A
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.)
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
Publication of ES438272A1 publication Critical patent/ES438272A1/es
Expired 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
ES438272A 1974-06-05 1975-06-05 Perfeccionamientos aportados a los comparafonos. Expired ES438272A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES438272A1 true ES438272A1 (es) 1977-01-16

Family

ID=9139645

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438272A Expired ES438272A1 (es) 1974-06-05 1975-06-05 Perfeccionamientos aportados a los comparafonos.

Country Status (7)

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

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
FR2274032B1 (es) 1976-10-15
FR2274032A1 (fr) 1976-01-02
IT1038692B (it) 1979-11-30
DE2524467B2 (de) 1978-07-06
DE2524467C3 (de) 1979-03-15
BE829867A (fr) 1975-10-01
GB1498220A (en) 1978-01-18
DE2524467A1 (de) 1975-12-18
CH592869A5 (es) 1977-11-15

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