DE1240937B - Elektromagnetischer Wandler, insbesondere kleinster Abmessungen - Google Patents

Elektromagnetischer Wandler, insbesondere kleinster Abmessungen

Info

Publication number
DE1240937B
DE1240937B DEJ25926A DEJ0025926A DE1240937B DE 1240937 B DE1240937 B DE 1240937B DE J25926 A DEJ25926 A DE J25926A DE J0025926 A DEJ0025926 A DE J0025926A DE 1240937 B DE1240937 B DE 1240937B
Authority
DE
Germany
Prior art keywords
armature
membrane
anchor
flanges
housing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DEJ25926A
Other languages
German (de)
English (en)
Inventor
Elmer Victor Carlson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrial Research Products Inc
IND RES PRODUCTS Inc
Original Assignee
Industrial Research Products Inc
IND RES PRODUCTS Inc
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 Industrial Research Products Inc, IND RES PRODUCTS Inc filed Critical Industrial Research Products Inc
Publication of DE1240937B publication Critical patent/DE1240937B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/04—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DEJ25926A 1961-09-06 1962-09-03 Elektromagnetischer Wandler, insbesondere kleinster Abmessungen Pending DE1240937B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136220A US3413424A (en) 1961-09-06 1961-09-06 Electro-acoustic transducer
US393619A US3249702A (en) 1961-09-06 1964-09-01 Transducer

Publications (1)

Publication Number Publication Date
DE1240937B true DE1240937B (de) 1967-05-24

Family

ID=26834132

Family Applications (2)

Application Number Title Priority Date Filing Date
DEJ25926A Pending DE1240937B (de) 1961-09-06 1962-09-03 Elektromagnetischer Wandler, insbesondere kleinster Abmessungen
DEJ22339A Pending DE1180415B (de) 1961-09-06 1962-09-03 Elektromagnetischer Wandler

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEJ22339A Pending DE1180415B (de) 1961-09-06 1962-09-03 Elektromagnetischer Wandler

Country Status (6)

Country Link
US (2) US3413424A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (2) CH405430A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE1240937B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK114280B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB969288A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL282929A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432622A (en) * 1965-05-10 1969-03-11 Dyna Magnetic Devices Inc Sub-miniature sound transducers
US3935398A (en) * 1971-07-12 1976-01-27 Industrial Research Products, Inc. Transducer with improved armature and yoke construction
GB8928899D0 (en) * 1989-12-21 1990-02-28 Knowles Electronics Co Coil assemblies
US5299176A (en) * 1991-12-20 1994-03-29 Tibbetts Industries, Inc. Balanced armature transducers with transverse gap
NL1004669C2 (nl) * 1996-12-02 1998-06-03 Microtronic Nederland Bv Transducer.
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic 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
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
US8135163B2 (en) * 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
US9872109B2 (en) 2014-12-17 2018-01-16 Knowles Electronics, Llc Shared coil receiver
CN110870331B (zh) 2017-07-14 2022-02-25 美商楼氏电子有限公司 声受话器组件及其制作方法和子组件

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910906C (de) * 1942-03-26 1954-05-06 Siemens Ag Konzentrisches Magnetsystem fuer Telefone oder magnetische Mikrofone
DE976970C (de) * 1951-04-23 1964-10-01 Philips Nv Mit einem Luftspalt versehener, annaehernd geschlossener und gegebenenfalls aus mehreren Teilen bestehender ferromagnetischer Kern

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163161A (en) * 1937-05-20 1939-06-20 Control Instr Co Inc Magnetic unit
FR963909A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1947-06-06 1950-07-26
GB643518A (en) * 1947-08-19 1950-09-20 Wheeler Insulated Wire Company Improvements in or relating to transducers
NL90444C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1954-07-21
FR1113468A (fr) * 1954-11-03 1956-03-29 Electronique & Automatisme Sa Dispositif électromagnétique
NL111663C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1956-10-11
US2994016A (en) * 1957-08-28 1961-07-25 Tibbetts Industries Magnetic translating device
US2927977A (en) * 1958-11-17 1960-03-08 Sonotone Corp Acoustic signal transducers
US2927976A (en) * 1958-11-17 1960-03-08 Sonotone Corp Acoustic signal transducers
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910906C (de) * 1942-03-26 1954-05-06 Siemens Ag Konzentrisches Magnetsystem fuer Telefone oder magnetische Mikrofone
DE976970C (de) * 1951-04-23 1964-10-01 Philips Nv Mit einem Luftspalt versehener, annaehernd geschlossener und gegebenenfalls aus mehreren Teilen bestehender ferromagnetischer Kern

Also Published As

Publication number Publication date
GB984414A (en) 1965-02-24
DK114280B (da) 1969-06-16
CH405430A (de) 1966-01-15
CH414749A (de) 1966-06-15
US3413424A (en) 1968-11-26
GB969288A (en) 1964-09-09
US3249702A (en) 1966-05-03
NL282929A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1180415B (de) 1964-10-29

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977