DK119517B - Hearing aid. - Google Patents

Hearing aid.

Info

Publication number
DK119517B
DK119517B DK337367A DK337367A DK119517B DK 119517 B DK119517 B DK 119517B DK 337367 A DK337367 A DK 337367A DK 337367 A DK337367 A DK 337367A DK 119517 B DK119517 B DK 119517B
Authority
DK
Denmark
Prior art keywords
hearing aid
hearing
aid
Prior art date
Application number
DK337367A
Other languages
Danish (da)
Inventor
J Helmersen
Original Assignee
J Helmersen
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 J Helmersen filed Critical J Helmersen
Priority to DK337367A priority Critical patent/DK119517B/en
Priority to DE19681562211 priority patent/DE1562211A1/en
Publication of DK119517B publication Critical patent/DK119517B/en

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
DK337367A 1967-06-29 1967-06-29 Hearing aid. DK119517B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK337367A DK119517B (en) 1967-06-29 1967-06-29 Hearing aid.
DE19681562211 DE1562211A1 (en) 1967-06-29 1968-03-12 Hearing aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK337367A DK119517B (en) 1967-06-29 1967-06-29 Hearing aid.

Publications (1)

Publication Number Publication Date
DK119517B true DK119517B (en) 1971-01-18

Family

ID=8122143

Family Applications (1)

Application Number Title Priority Date Filing Date
DK337367A DK119517B (en) 1967-06-29 1967-06-29 Hearing aid.

Country Status (2)

Country Link
DE (1) DE1562211A1 (en)
DK (1) DK119517B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2608576B1 (en) * 2011-12-21 2020-02-26 Sonion Nederland B.V. An apparatus and a method for providing sound

Also Published As

Publication number Publication date
DE1562211A1 (en) 1970-03-05

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