DK592675A - - Google Patents

Info

Publication number
DK592675A
DK592675A DK592675A DK592675A DK592675A DK 592675 A DK592675 A DK 592675A DK 592675 A DK592675 A DK 592675A DK 592675 A DK592675 A DK 592675A DK 592675 A DK592675 A DK 592675A
Authority
DK
Denmark
Application number
DK592675A
Other languages
Danish (da)
Other versions
DK136200B (en
Inventor
F Gunnersen
Original Assignee
F Gunnersen
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 F Gunnersen filed Critical F Gunnersen
Priority to DK592675A priority Critical patent/DK136200B/en
Priority to DE19762658275 priority patent/DE2658275C2/en
Priority to FR7639483A priority patent/FR2352463A1/en
Publication of DK592675A publication Critical patent/DK592675A/da
Publication of DK136200B publication Critical patent/DK136200B/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
    • H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response

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)
  • Telephone Set Structure (AREA)
  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DK592675A 1975-12-29 1975-12-29 Hearing aid with acoustic impedance device. DK136200B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK592675A DK136200B (en) 1975-12-29 1975-12-29 Hearing aid with acoustic impedance device.
DE19762658275 DE2658275C2 (en) 1975-12-29 1976-12-22 Hearing aid with acoustic impedance organ
FR7639483A FR2352463A1 (en) 1975-12-29 1976-12-29 Hearing aid impedance system - consists of spiral labyrinth with flat parallel side walls set into thick plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK592675A DK136200B (en) 1975-12-29 1975-12-29 Hearing aid with acoustic impedance device.

Publications (2)

Publication Number Publication Date
DK592675A true DK592675A (en) 1977-06-30
DK136200B DK136200B (en) 1977-08-29

Family

ID=8146221

Family Applications (1)

Application Number Title Priority Date Filing Date
DK592675A DK136200B (en) 1975-12-29 1975-12-29 Hearing aid with acoustic impedance device.

Country Status (3)

Country Link
DE (1) DE2658275C2 (en)
DK (1) DK136200B (en)
FR (1) FR2352463A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023871A1 (en) * 1980-06-26 1982-01-14 Robert Bosch Gmbh, 7000 Stuttgart HOERGERAET

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL111663C (en) * 1956-10-11
DE1274658B (en) * 1966-05-14 1968-08-08 Bosch Elektronik Photokino Electronic hearing aid device
US4006321A (en) * 1974-02-20 1977-02-01 Industrial Research Products, Inc. Transducer coupling system

Also Published As

Publication number Publication date
DK136200B (en) 1977-08-29
FR2352463A1 (en) 1977-12-16
DE2658275A1 (en) 1977-07-07
DE2658275C2 (en) 1987-01-15

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Legal Events

Date Code Title Description
PHS Application shelved for other reasons than non-payment