NL79002C - - Google Patents

Info

Publication number
NL79002C
NL79002C NL79002DA NL79002C NL 79002 C NL79002 C NL 79002C NL 79002D A NL79002D A NL 79002DA NL 79002 C NL79002 C NL 79002C
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 NL79002C publication Critical patent/NL79002C/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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • 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
    • H04R2460/13—Hearing devices using bone conduction transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Neurosurgery (AREA)
  • Electromagnetism (AREA)
  • Telephone Set Structure (AREA)
  • Magnetic Treatment Devices (AREA)
  • Rehabilitation Tools (AREA)
  • Headphones And Earphones (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL79002D 1949-07-25 NL79002C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19547/49A GB671957A (en) 1949-07-25 1949-07-25 Improvements in or relating to bone conduction telephone receivers

Publications (1)

Publication Number Publication Date
NL79002C true NL79002C (en)

Family

ID=10131201

Family Applications (1)

Application Number Title Priority Date Filing Date
NL79002D NL79002C (en) 1949-07-25

Country Status (5)

Country Link
US (1) US2680157A (en)
DE (1) DE826149C (en)
FR (1) FR1030588A (en)
GB (1) GB671957A (en)
NL (1) NL79002C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773941A (en) * 1951-07-18 1956-12-11 American Danish Oticon Corp Hearing aid apparatus
US2832842A (en) * 1952-07-17 1958-04-29 Sonotone Corp Body contacting inertia reaction electromechanical transducing devices
US2804509A (en) * 1952-07-17 1957-08-27 Sonotone Corp Inertia type electromechanical sound transducing device
EP2403271A1 (en) 2010-06-29 2012-01-04 Oticon Medical A/S Vibrator with adjustment system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US990275A (en) * 1907-05-23 1911-04-25 Stanislaw A Koltonski Telephone-transmitter.
US1356156A (en) * 1917-10-10 1920-10-19 Internat Callophone Corp Telephonic receiver
US1404817A (en) * 1921-02-28 1922-01-31 Philip J Werber Telephone attachment
US1939922A (en) * 1931-01-15 1933-12-19 Crosley Radio Corp Centering device for loud speaker cones
GB396990A (en) * 1932-12-06 1933-08-17 John Henry Walter Lewis Improvements in loud speakers and other apparatus for interconverting electrical andacoustic vibrations
US2062372A (en) * 1933-08-11 1936-12-01 Sonotone Corp Bone conduction hearing aid
BE406162A (en) * 1933-11-11 1900-01-01 Sonotone Corp
US2000165A (en) * 1934-01-10 1935-05-07 Bell Telephone Labor Inc Acoustic device
US2264684A (en) * 1938-03-17 1941-12-02 Telephonics Corp Bone telephone receiver
US2410805A (en) * 1942-01-16 1946-11-12 Bell Telephone Labor Inc Vibration detector
US2459325A (en) * 1944-10-27 1949-01-18 Zenith Radio Corp Bone conduction unit
US2500541A (en) * 1945-07-18 1950-03-14 Emil H Greibach Inertia-type electromechanical sound transducing device
US2463786A (en) * 1947-02-10 1949-03-08 E A Myers & Sons Electromagnetic mechanism for bone conduction receivers, etc.

Also Published As

Publication number Publication date
GB671957A (en) 1952-05-14
FR1030588A (en) 1953-06-15
US2680157A (en) 1954-06-01
DE826149C (en) 1951-12-27

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