FR2734444B1 - TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER - Google Patents

TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER

Info

Publication number
FR2734444B1
FR2734444B1 FR9505837A FR9505837A FR2734444B1 FR 2734444 B1 FR2734444 B1 FR 2734444B1 FR 9505837 A FR9505837 A FR 9505837A FR 9505837 A FR9505837 A FR 9505837A FR 2734444 B1 FR2734444 B1 FR 2734444B1
Authority
FR
France
Prior art keywords
transducer
ear
active noise
plug
ear plug
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 - Fee Related
Application number
FR9505837A
Other languages
French (fr)
Other versions
FR2734444A1 (en
Inventor
Jamal Housni
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.)
Societe Industrielle de Liaisons Electriques SA
Original Assignee
Societe Industrielle de Liaisons Electriques SA
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 Societe Industrielle de Liaisons Electriques SA filed Critical Societe Industrielle de Liaisons Electriques SA
Priority to FR9505837A priority Critical patent/FR2734444B1/en
Publication of FR2734444A1 publication Critical patent/FR2734444A1/en
Application granted granted Critical
Publication of FR2734444B1 publication Critical patent/FR2734444B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Psychology (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR9505837A 1995-05-17 1995-05-17 TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER Expired - Fee Related FR2734444B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9505837A FR2734444B1 (en) 1995-05-17 1995-05-17 TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9505837A FR2734444B1 (en) 1995-05-17 1995-05-17 TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER

Publications (2)

Publication Number Publication Date
FR2734444A1 FR2734444A1 (en) 1996-11-22
FR2734444B1 true FR2734444B1 (en) 1997-06-13

Family

ID=9479067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9505837A Expired - Fee Related FR2734444B1 (en) 1995-05-17 1995-05-17 TRANSDUCER FOR EAR AND EAR PLUG WITH ACTIVE NOISE USING THIS TRANSDUCER

Country Status (1)

Country Link
FR (1) FR2734444B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0906389D0 (en) * 2009-04-15 2009-05-20 Dbhi Ltd Hearing protection apparatus
CN108344803B (en) * 2018-02-12 2020-10-20 重庆大学 Research method for low-frequency noise processing by utilizing COMSOL and resonant cavity model

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835340A (en) * 1973-02-15 1974-09-10 Edo Corp Transducer corona shield
US4281550A (en) * 1979-12-17 1981-08-04 North American Philips Corporation Curved array of sequenced ultrasound transducers
DE3834853C2 (en) * 1988-10-13 1999-12-02 Bayerische Motoren Werke Ag Arrangement for reducing the noise level in the interior of a motor vehicle
US5631965A (en) * 1992-06-19 1997-05-20 Chang; Joseph S. Hearing protector

Also Published As

Publication number Publication date
FR2734444A1 (en) 1996-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse