FR2357026A1 - Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux - Google Patents

Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux

Info

Publication number
FR2357026A1
FR2357026A1 FR7719064A FR7719064A FR2357026A1 FR 2357026 A1 FR2357026 A1 FR 2357026A1 FR 7719064 A FR7719064 A FR 7719064A FR 7719064 A FR7719064 A FR 7719064A FR 2357026 A1 FR2357026 A1 FR 2357026A1
Authority
FR
France
Prior art keywords
ear
plugs
cone
listening
tubes
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.)
Granted
Application number
FR7719064A
Other languages
English (en)
French (fr)
Other versions
FR2357026B3 (enExample
Inventor
Leonce Van Eesbeck
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.)
VAN EESBECK LEONCE
Original Assignee
VAN EESBECK LEONCE
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 VAN EESBECK LEONCE filed Critical VAN EESBECK LEONCE
Publication of FR2357026A1 publication Critical patent/FR2357026A1/fr
Application granted granted Critical
Publication of FR2357026B3 publication Critical patent/FR2357026B3/fr
Granted 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
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Cleaning And Drying Hair (AREA)
FR7719064A 1976-06-29 1977-06-22 Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux Granted FR2357026A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE168412A BE843530A (fr) 1976-06-29 1976-06-29 Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux

Publications (2)

Publication Number Publication Date
FR2357026A1 true FR2357026A1 (fr) 1978-01-27
FR2357026B3 FR2357026B3 (enExample) 1980-04-04

Family

ID=3861386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719064A Granted FR2357026A1 (fr) 1976-06-29 1977-06-22 Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux

Country Status (3)

Country Link
BE (1) BE843530A (enExample)
DE (1) DE7720403U1 (enExample)
FR (1) FR2357026A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473130A (en) * 1981-10-12 1984-09-25 Hauni-Werke Korber & Co. Kg. Crash helmet with communication system
DE202004000347U1 (de) * 2004-01-13 2004-06-03 Osterwald, Lutz, Dr.med. Hörschlauch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473130A (en) * 1981-10-12 1984-09-25 Hauni-Werke Korber & Co. Kg. Crash helmet with communication system
DE202004000347U1 (de) * 2004-01-13 2004-06-03 Osterwald, Lutz, Dr.med. Hörschlauch

Also Published As

Publication number Publication date
BE843530A (fr) 1976-12-29
FR2357026B3 (enExample) 1980-04-04
DE7720403U1 (de) 1977-10-06

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Legal Events

Date Code Title Description
ST Notification of lapse