CH373781A - Electrodynamic membrane transducer - Google Patents

Electrodynamic membrane transducer

Info

Publication number
CH373781A
CH373781A CH7007959A CH7007959A CH373781A CH 373781 A CH373781 A CH 373781A CH 7007959 A CH7007959 A CH 7007959A CH 7007959 A CH7007959 A CH 7007959A CH 373781 A CH373781 A CH 373781A
Authority
CH
Switzerland
Prior art keywords
electrodynamic
membrane transducer
transducer
membrane
electrodynamic membrane
Prior art date
Application number
CH7007959A
Other languages
German (de)
Inventor
Gamzon Robert
Frei Ephraim Heinrich Dr Prof
Original Assignee
Gamzon Robert
Frei Ephraim Heinrich Dr Prof
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 Gamzon Robert, Frei Ephraim Heinrich Dr Prof filed Critical Gamzon Robert
Publication of CH373781A publication Critical patent/CH373781A/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
    • 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)
CH7007959A 1958-03-07 1959-02-26 Electrodynamic membrane transducer CH373781A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH373781A true CH373781A (en) 1963-12-15

Family

ID=11043133

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7007959A CH373781A (en) 1958-03-07 1959-02-26 Electrodynamic membrane transducer

Country Status (8)

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

Families Citing this family (35)

* 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 (en) * 1960-06-23 1961-08-11 Improvements to loudspeakers, microphones, and similar electrodynamic devices
US3141071A (en) * 1960-07-18 1964-07-14 Rosen Alfred H Full range electroacoustic transducers
NL274947A (en) * 1961-02-20
US3132215A (en) * 1961-03-03 1964-05-05 Maico Electronics Inc Acoustical device
AT239344B (en) * 1963-03-13 1965-03-25 Akg Akustische Kino Geraete Electrodynamic headphones
NL290698A (en) * 1963-03-26
NL6509969A (en) * 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
IT958810B (en) * 1971-05-07 1973-10-30 Rank Organisation Ltd ELECTROACOUSTIC TRANSDUCER COLARLY PARTS FOR AURICO LARI SPEAKERS AND MICROPHONES
SE363956B (en) * 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 (en) * 1979-11-20 1981-06-16 Philips Nv MAGNETIC SYSTEM FOR AN ELECTROACOUSTIC CONVERTER.
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 (en) * 1981-06-11 1983-06-01 Martin 4600 Dortmund Stute Membrane for electroacoustic transducer systems
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
EP0567535B1 (en) * 1991-01-17 2003-08-13 ADELMAN, Roger A. Improved hearing apparatus
AU2001239993A1 (en) * 2000-03-03 2001-09-17 American Technology Corporation Single end planar magnetic speaker
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
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 (en) * 2014-06-18 2015-12-24 Sennheiser Electronic Gmbh & Co. Kg Electrodynamic transducer
DE102017122660A1 (en) * 2016-10-04 2018-04-05 Sennheiser Electronic Gmbh & Co. Kg Planar dynamic transducer
RU199764U1 (en) * 2020-06-09 2020-09-21 Сергей Юрьевич Глазырин MATRIX Emitter
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 (en) * 1929-10-15 Lorenz Akt Ges C Electrodynamic telephone, especially for loudspeakers
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 (en) * 1951-04-23 1959-01-15 Philips Nv Magnet body, consisting of a ferromagnetic part with high permeability and an embedded permanent magnet in the form of a thin, elongated body
US2722617A (en) * 1951-11-28 1955-11-01 Hartford Nat Bank & Trust Comp Magnetic circuits and devices
CH314504A (en) * 1953-05-22 1956-06-15 Bohli Jakob Magnetic system for dynamic ribbon microphone
US2903673A (en) * 1954-01-06 1959-09-08 Harris Transducer Corp Acoustical impedance-matching transducer

Also Published As

Publication number Publication date
NL112193C (en)
DE1094802B (en) 1960-12-15
GB869620A (en) 1961-05-31
NL236904A (en)
BE576384A (en) 1959-07-01
DK102969C (en) 1965-11-01
FR1218259A (en) 1960-05-10
US3013905A (en) 1961-12-19

Similar Documents

Publication Publication Date Title
CH373781A (en) Electrodynamic membrane transducer
FR1303017A (en) Electro-acoustic transducer
CH386123A (en) Transducer
CH402075A (en) Diaphragm for electroacoustic transducers
FR1180456A (en) Electro-dynamic speaker
DK111053B (en) Electro-acoustic converter.
DK103946C (en) Electroacoustic transducer.
CH385289A (en) Electrodynamic microphone
CH375755A (en) Acoustic transducer
FR1217102A (en) Advanced acoustic diaphragm
FR1245602A (en) Magnetic transducer
FR1242146A (en) Magnetic transducer
FR1230681A (en) Advanced flexible diaphragm
FR1216678A (en) Electromechanical transducer
FR1341920A (en) Electro-acoustic transducer
FR1271172A (en) Electro-mechanical transducer
FR1315545A (en) Electroacoustic transducer
CH377968A (en) Bonding membrane
FR1276933A (en) Acoustic transducer
FR1284565A (en) Electro-acoustic transducer
FR1215390A (en) Acoustic diaphragm
FR1260903A (en) Ultrasonic transducer
DK112347C (en) ELECTRODYNAMIC SOUND RENDER
FR1241372A (en) Electromechanical transducer
CH364285A (en) Horn loudspeaker