NL112193C - - Google Patents

Info

Publication number
NL112193C
NL112193C NL112193DA NL112193C NL 112193 C NL112193 C NL 112193C NL 112193D A NL112193D A NL 112193DA NL 112193 C NL112193 C NL 112193C
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 NL112193C publication Critical patent/NL112193C/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL112193D 1958-03-07 NL112193C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL1116858 1958-03-07

Publications (1)

Publication Number Publication Date
NL112193C true NL112193C (enrdf_load_html_response)

Family

ID=11043133

Family Applications (2)

Application Number Title Priority Date Filing Date
NL236904D NL236904A (enrdf_load_html_response) 1958-03-07
NL112193D NL112193C (enrdf_load_html_response) 1958-03-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL236904D NL236904A (enrdf_load_html_response) 1958-03-07

Country Status (8)

Country Link
US (1) US3013905A (enrdf_load_html_response)
BE (1) BE576384A (enrdf_load_html_response)
CH (1) CH373781A (enrdf_load_html_response)
DE (1) DE1094802B (enrdf_load_html_response)
DK (1) DK102969C (enrdf_load_html_response)
FR (1) FR1218259A (enrdf_load_html_response)
GB (1) GB869620A (enrdf_load_html_response)
NL (2) NL112193C (enrdf_load_html_response)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139490A (en) * 1958-10-15 1964-06-30 Lyons Philip Daniel Sound reproducing and recording device
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
FR1269138A (fr) * 1960-06-23 1961-08-11 Perfectionnements apportés aux haut-parleurs, aux microphones, et aux dispositifs analogues, de type électrodynamique
US3141071A (en) * 1960-07-18 1964-07-14 Rosen Alfred H Full range electroacoustic transducers
NL274947A (enrdf_load_html_response) * 1961-02-20
US3132215A (en) * 1961-03-03 1964-05-05 Maico Electronics Inc Acoustical device
AT239344B (de) * 1963-03-13 1965-03-25 Akg Akustische Kino Geraete Elektrodynamischer Kopfhörer
NL290698A (enrdf_load_html_response) * 1963-03-26
NL6509969A (enrdf_load_html_response) * 1965-07-31 1967-02-01
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles
DE2222167B2 (de) * 1971-05-07 1979-08-16 The Rank Organisation Ltd., London Elektroakustischer Wandler
SE363956B (enrdf_load_html_response) * 1972-06-20 1974-02-04 P Beer
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
US3922504A (en) * 1975-01-02 1975-11-25 Foster Electric Co Ltd Electroacoustic transducer
US4013846A (en) * 1975-08-28 1977-03-22 Minnesota Mining And Manufacturing Company Piston loudspeaker
US4210786A (en) * 1979-01-24 1980-07-01 Magnepan, Incorporated Magnetic field structure for planar speaker
NL7908447A (nl) * 1979-11-20 1981-06-16 Philips Nv Magneetsysteem voor een electroakoestische omzetter.
US4413161A (en) * 1980-02-09 1983-11-01 Nippon Gakki Seizo Kabushiki Kaisha Electro-acoustic transducer
US4384173A (en) * 1980-08-01 1983-05-17 Granus Corporation Electromagnetic planar diaphragm transducer
DE3123098C2 (de) * 1981-06-11 1983-06-01 Martin 4600 Dortmund Stute Membran für elektroakustische Wandlersysteme
US4550228A (en) * 1983-02-22 1985-10-29 Apogee Acoustics, Inc. Ribbon speaker system
GB2154096A (en) * 1984-02-08 1985-08-29 Chien Yuan Liu Loudspeaker
DE69233156T2 (de) * 1991-01-17 2004-07-08 Adelman, Roger A. Verbessertes hörgerät
EP1269793A4 (en) * 2000-03-03 2009-03-25 American Tech Corp PLANAR MAGNETIC SPEAKER WITH AN END
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
US20040200801A1 (en) * 2001-11-19 2004-10-14 Lai Laurence M.C. Manufacture having double sided features in a metal-containing web and manufacture and method for forming same in a liquid-based etch process
RU2232487C2 (ru) * 2001-12-17 2004-07-10 Алешин Евгений Сергеевич Электродинамический громкоговоритель
US8358801B2 (en) * 2007-02-12 2013-01-22 Robert Katz Magnetic circuit for electrodynamic moving voice coil actuators
US20090175488A1 (en) * 2008-01-09 2009-07-09 Jui-Cheng Chang Diaphragm and Electrical-Acoustic Transducer having the same
US8942408B1 (en) 2011-07-22 2015-01-27 James Joseph Croft, III Magnetically one-side driven planar transducer with improved electro-magnetic circuit
US8774430B2 (en) * 2011-12-02 2014-07-08 Thomas Paul Heed Linear interleaved magnetic motor and loudspeaker transducer using same
US9197965B2 (en) 2013-03-15 2015-11-24 James J. Croft, III Planar-magnetic transducer with improved electro-magnetic circuit
DE102014211687A1 (de) * 2014-06-18 2015-12-24 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler
DE102017122660A1 (de) * 2016-10-04 2018-04-05 Sennheiser Electronic Gmbh & Co. Kg Planardynamischer Wandler
RU199764U1 (ru) * 2020-06-09 2020-09-21 Сергей Юрьевич Глазырин Матричный излучатель
US11956589B1 (en) 2021-07-13 2024-04-09 Wisdom Audio Corp. PMD speaker mounting assembly and thermal control system for multiple drivers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE484339C (de) * 1929-10-15 Lorenz Akt Ges C Elektrodynamisches Telephon, insbesondere fuer Lautsprecher
US1238439A (en) * 1914-04-24 1917-08-28 Rudow Rummler Telephone for transmitting and reproducing sounds.
US1877254A (en) * 1930-09-12 1932-09-13 Gen Motors Radio Corp Sheet material
US2269149A (en) * 1939-11-24 1942-01-06 Gen Electric Permanent magnet
US2565591A (en) * 1946-10-05 1951-08-28 Pentone Inc Electrical earphone device
GB674470A (en) * 1950-06-01 1952-06-25 Frank Thomas Cooper Improvements in or relating to ribbon microphones
DE971374C (de) * 1951-04-23 1959-01-15 Philips Nv Magnetkoerper, bestehend aus einem ferromagnetischen Teil mit hoher Permeabilitaet und einem darin eingebetteten, in Form eines duennen, langgestreckten Koerpers gestalteten Dauermagneten
US2722617A (en) * 1951-11-28 1955-11-01 Hartford Nat Bank & Trust Comp Magnetic circuits and devices
CH314504A (de) * 1953-05-22 1956-06-15 Bohli Jakob Magnetsystem zu dynamischem Bändchenmikrophon
US2903673A (en) * 1954-01-06 1959-09-08 Harris Transducer Corp Acoustical impedance-matching transducer

Also Published As

Publication number Publication date
NL236904A (enrdf_load_html_response)
GB869620A (en) 1961-05-31
CH373781A (de) 1963-12-15
DE1094802B (de) 1960-12-15
BE576384A (fr) 1959-07-01
DK102969C (da) 1965-11-01
US3013905A (en) 1961-12-19
FR1218259A (fr) 1960-05-10

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