NL229488A - - Google Patents

Info

Publication number
NL229488A
NL229488A NL229488DA NL229488A NL 229488 A NL229488 A NL 229488A NL 229488D A NL229488D A NL 229488DA NL 229488 A NL229488 A NL 229488A
Authority
NL
Netherlands
Application number
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.)
Publication of NL229488A publication Critical patent/NL229488A/xx

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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
NL229488D 1957-05-16 NL229488A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE359163X 1957-05-16
DED27946A DE1115767B (en) 1957-05-16 1958-01-28 Ear insert for hearing aid

Publications (1)

Publication Number Publication Date
NL229488A true NL229488A (en)

Family

ID=25839885

Family Applications (1)

Application Number Title Priority Date Filing Date
NL229488D NL229488A (en) 1957-05-16

Country Status (4)

Country Link
BE (1) BE567740A (en)
CH (1) CH359163A (en)
DE (1) DE1115767B (en)
NL (1) NL229488A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448224A (en) * 1966-10-27 1969-06-03 Dictograph Products Inc Rigid in-the-ear hearing aid
FR2543431A1 (en) * 1983-03-30 1984-10-05 Cafa HEARING AID SUCH AS A PROSTHESIS
IT209301Z2 (en) * 1984-12-15 1988-09-20 Siemens Ag HEARING PROSTHESIS.
DE8713369U1 (en) * 1987-10-05 1989-02-09 Siemens AG, 1000 Berlin und 8000 München Device for closing openings on hearing aids or earpieces for hearing aids
US5131128A (en) * 1987-10-14 1992-07-21 Gn Danavox A/S Protection element for all-in-the-ear hearing aid and tool for use in the replacement hereof
DK157647C (en) * 1987-10-14 1990-07-09 Gn Danavox As PROTECTION ORGANIZATION FOR ALT-I-HEARED HEARING AND TOOL FOR USE IN REPLACEMENT OF IT
DE3834316C1 (en) * 1988-10-08 1989-10-26 Eurion Ag, Rapperswil, Ch Hearing aid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136720A (en) * 1936-03-20 1938-11-15 Alice G White Telephonic apparatus
US2325590A (en) * 1940-05-11 1943-08-03 Sonotone Corp Earphone
US2367726A (en) * 1942-01-10 1945-01-23 E A Myers & Sons Sound transmitter
DE808957C (en) * 1948-10-02 1951-07-23 Atlas Werke Ag Small phone
US2787670A (en) * 1953-02-27 1957-04-02 Douglas H Rowland Hearing aid
GB787035A (en) * 1955-04-20 1957-11-27 Fortiphone Ltd Improvements in hearing aids
AT194933B (en) * 1955-10-15 1958-01-25 Viennatone Hoergeraete Ing Koe Hearing aid

Also Published As

Publication number Publication date
CH359163A (en) 1961-12-31
BE567740A (en)
DE1115767B (en) 1961-10-26

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