NL7109841A - - Google Patents

Info

Publication number
NL7109841A
NL7109841A NL7109841A NL7109841A NL7109841A NL 7109841 A NL7109841 A NL 7109841A NL 7109841 A NL7109841 A NL 7109841A NL 7109841 A NL7109841 A NL 7109841A NL 7109841 A NL7109841 A NL 7109841A
Authority
NL
Netherlands
Application number
NL7109841A
Other versions
NL151609B (en
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 filed Critical
Priority to NL717109841A priority Critical patent/NL151609B/en
Priority to DE2143970A priority patent/DE2143970A1/en
Priority to US00177643A priority patent/US3742156A/en
Priority to GB4140971A priority patent/GB1357403A/en
Publication of NL7109841A publication Critical patent/NL7109841A/xx
Publication of NL151609B publication Critical patent/NL151609B/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL717109841A 1971-07-16 1971-07-16 ELECTRO-ACOUSTIC CONVERSION DEVICE. NL151609B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL717109841A NL151609B (en) 1971-07-16 1971-07-16 ELECTRO-ACOUSTIC CONVERSION DEVICE.
DE2143970A DE2143970A1 (en) 1971-07-16 1971-09-02 ELECTROACOUSTIC CONVERTER
US00177643A US3742156A (en) 1971-07-16 1971-09-03 Electro-acoustic magnetic reed type transducer having box-shaped pole piece
GB4140971A GB1357403A (en) 1971-07-16 1971-09-06 Electroacoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL717109841A NL151609B (en) 1971-07-16 1971-07-16 ELECTRO-ACOUSTIC CONVERSION DEVICE.

Publications (2)

Publication Number Publication Date
NL7109841A true NL7109841A (en) 1973-01-18
NL151609B NL151609B (en) 1976-11-15

Family

ID=19813623

Family Applications (1)

Application Number Title Priority Date Filing Date
NL717109841A NL151609B (en) 1971-07-16 1971-07-16 ELECTRO-ACOUSTIC CONVERSION DEVICE.

Country Status (4)

Country Link
US (1) US3742156A (en)
DE (1) DE2143970A1 (en)
GB (1) GB1357403A (en)
NL (1) NL151609B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004877C2 (en) * 1996-12-23 1998-08-03 Microtronic Nederland Bv Electroacoustic transducer.
JP3618498B2 (en) * 1996-12-26 2005-02-09 株式会社シチズン電子 Surface mount electromagnetic sounding body
DE19858399C2 (en) * 1998-12-17 2003-02-20 Phonak Ag Staefa Electroacoustic transducer for hearing aids for airborne sound radiation in the external auditory canal
NL1011733C1 (en) * 1999-04-06 2000-10-09 Microtronic Nederland Bv Electroacoustic transducer with a membrane and method for mounting a membrane in such a transducer.
US7706561B2 (en) * 1999-04-06 2010-04-27 Sonion Nederland B.V. Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
US7190803B2 (en) * 2002-04-09 2007-03-13 Sonion Nederland Bv Acoustic transducer having reduced thickness
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
EP1880575A1 (en) * 2005-05-09 2008-01-23 Knowles Electronics, LLC Conjoined receiver and microphone assembly
DK1895811T3 (en) * 2006-08-28 2016-08-29 Sonion Nederland Bv Several speakers with a common acoustic tube
DK1962551T3 (en) 2007-02-20 2014-07-14 Sonion Nederland Bv Sound transmitter with movable luminaire
JP5598109B2 (en) * 2010-06-17 2014-10-01 ソニー株式会社 Acoustic transducer
US9432774B2 (en) * 2014-04-02 2016-08-30 Sonion Nederland B.V. Transducer with a bent armature
KR20160081641A (en) * 2014-12-31 2016-07-08 도시바삼성스토리지테크놀러지코리아 주식회사 Earphone and manufacturing method for earphone
US10587959B2 (en) * 2015-07-29 2020-03-10 Sony Corporation Acoustic conversion apparatus and sound output equipment
CN106714053B (en) * 2016-11-29 2023-01-10 深圳倍声声学技术有限公司 Moving-iron type telephone receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013127A (en) * 1959-05-27 1961-12-12 Zenith Radio Corp Sound-transducing apparatus
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer
US3491215A (en) * 1967-03-14 1970-01-20 Sonotone Corp Acoustic electromagnetic transducer device having means for protecting coil-wire insulation
US3617653A (en) * 1967-05-16 1971-11-02 Tibbetts Industries Magnetic reed type acoustic transducer with improved armature
US3560667A (en) * 1968-05-01 1971-02-02 Industrial Research Prod Inc Transducer having an armature arm split along its length

Also Published As

Publication number Publication date
NL151609B (en) 1976-11-15
US3742156A (en) 1973-06-26
DE2143970A1 (en) 1973-01-25
GB1357403A (en) 1974-06-19

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: MICROTEL

V4 Discontinued because of reaching the maximum lifetime of a patent