DK111053B - Elektro-akustisk omsætter. - Google Patents

Elektro-akustisk omsætter.

Info

Publication number
DK111053B
DK111053B DK83559AA DK83559A DK111053B DK 111053 B DK111053 B DK 111053B DK 83559A A DK83559A A DK 83559AA DK 83559 A DK83559 A DK 83559A DK 111053 B DK111053 B DK 111053B
Authority
DK
Denmark
Prior art keywords
electro
acoustic converter
acoustic
converter
Prior art date
Application number
DK83559AA
Other languages
English (en)
Inventor
H Knowles
Original Assignee
H Knowles
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 H Knowles filed Critical H Knowles
Publication of DK111053B publication Critical patent/DK111053B/da

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DK83559AA 1958-03-07 1959-03-07 Elektro-akustisk omsætter. DK111053B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US719958A US3002058A (en) 1958-03-07 1958-03-07 Electro acoustic transducer

Publications (1)

Publication Number Publication Date
DK111053B true DK111053B (da) 1968-05-20

Family

ID=24892085

Family Applications (1)

Application Number Title Priority Date Filing Date
DK83559AA DK111053B (da) 1958-03-07 1959-03-07 Elektro-akustisk omsætter.

Country Status (5)

Country Link
US (1) US3002058A (da)
DE (1) DE1120504B (da)
DK (1) DK111053B (da)
GB (1) GB875212A (da)
NL (2) NL113201C (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5299176A (en) * 1991-12-20 1994-03-29 Tibbetts Industries, Inc. Balanced armature transducers with transverse gap
US20020003890A1 (en) * 2000-05-09 2002-01-10 Daniel Warren Armature for a receiver
US7817815B2 (en) * 2000-05-09 2010-10-19 Knowles Electronics, Llc Armature for a receiver
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
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
US7751579B2 (en) * 2003-06-13 2010-07-06 Etymotic Research, Inc. Acoustically transparent debris barrier for audio transducers
EP2329657A4 (en) * 2008-08-29 2011-10-26 Penn State Res Found METHOD AND APPARATUS FOR REDUCED DISTORTION BALANCED ARMATURE DEVICES
US9888322B2 (en) 2014-12-05 2018-02-06 Knowles Electronics, Llc Receiver with coil wound on a stationary ferromagnetic core
CN107203802A (zh) * 2017-08-03 2017-09-26 合肥利元杰信息科技有限公司 一种多功能u盘

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB755715A (da) *
FR632915A (da) * 1928-01-18
US1230676A (en) * 1914-07-24 1917-06-19 Automatic Enunciator Company Sound-reproducer.
US1573739A (en) * 1922-10-02 1926-02-16 O'neill John Hugh Telephonic device
US2037255A (en) * 1931-03-21 1936-04-14 United Res Corp Electromagnetic translating device
US2092884A (en) * 1932-11-01 1937-09-14 Rca Corp Signal translating apparatus
CH218774A (de) * 1939-09-05 1941-12-31 Fides Gmbh Magnetisches Mikrofon.
US2507708A (en) * 1945-12-22 1950-05-16 Pennsylvania Electronics Inc Phonograph pickup having permanent magnet armature
FR963909A (da) * 1947-06-06 1950-07-26
DE955245C (de) * 1955-02-26 1957-01-03 Lehner Fernsprech Signal Vierpoliges Antriebssystem fuer elektroakustische Wandler

Also Published As

Publication number Publication date
US3002058A (en) 1961-09-26
DE1120504B (de) 1961-12-28
NL236833A (da)
NL113201C (da)
GB875212A (en) 1961-08-16

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