FR1532419A - Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité - Google Patents

Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité

Info

Publication number
FR1532419A
FR1532419A FR107005A FR107005A FR1532419A FR 1532419 A FR1532419 A FR 1532419A FR 107005 A FR107005 A FR 107005A FR 107005 A FR107005 A FR 107005A FR 1532419 A FR1532419 A FR 1532419A
Authority
FR
France
Prior art keywords
deafness
wear
people
head
hearing aid
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
FR107005A
Other languages
English (en)
Inventor
Otto Hassler
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.)
Willco Hörgeräte Medizinische Apparatebau GmbH
Original Assignee
Willco Hörgeräte Medizinische Apparatebau GmbH
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 Willco Hörgeräte Medizinische Apparatebau GmbH filed Critical Willco Hörgeräte Medizinische Apparatebau GmbH
Priority to FR107005A priority Critical patent/FR1532419A/fr
Application granted granted Critical
Publication of FR1532419A publication Critical patent/FR1532419A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
FR107005A 1966-05-20 1967-05-19 Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité Expired FR1532419A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR107005A FR1532419A (fr) 1966-05-20 1967-05-19 Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEW0041620 1966-05-20
FR107005A FR1532419A (fr) 1966-05-20 1967-05-19 Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité

Publications (1)

Publication Number Publication Date
FR1532419A true FR1532419A (fr) 1968-07-12

Family

ID=26002843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR107005A Expired FR1532419A (fr) 1966-05-20 1967-05-19 Appareil acoustique à porter sur la tête, pour personnes atteintes de surdité

Country Status (1)

Country Link
FR (1) FR1532419A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194101A1 (fr) * 1972-07-21 1974-02-22 Industrial Research Prod Inc

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194101A1 (fr) * 1972-07-21 1974-02-22 Industrial Research Prod Inc

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