NL274947A - - Google Patents

Info

Publication number
NL274947A
NL274947A NL274947DA NL274947A NL 274947 A NL274947 A NL 274947A NL 274947D A NL274947D A NL 274947DA NL 274947 A NL274947 A NL 274947A
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 NL274947A publication Critical patent/NL274947A/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating
NL274947D 1961-02-20 NL274947A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90537A US3209084A (en) 1961-02-20 1961-02-20 Electro-acoustical transducer

Publications (1)

Publication Number Publication Date
NL274947A true NL274947A (de)

Family

ID=22223216

Family Applications (1)

Application Number Title Priority Date Filing Date
NL274947D NL274947A (de) 1961-02-20

Country Status (3)

Country Link
US (1) US3209084A (de)
DE (1) DE1184803B (de)
NL (1) NL274947A (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6509969A (de) * 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
US5615380A (en) * 1969-11-24 1997-03-25 Hyatt; Gilbert P. Integrated circuit computer system having a keyboard input and a sound output
SE363956B (de) * 1972-06-20 1974-02-04 P Beer
US3919499A (en) * 1974-01-11 1975-11-11 Magnepan Inc Planar speaker
JPS50153943U (de) * 1974-06-07 1975-12-20
JPS5189411A (de) * 1975-02-03 1976-08-05
JPS5527721A (en) * 1978-08-18 1980-02-28 Sony Corp Diaphragm for electroacoustic converter
JPS5750872Y2 (de) * 1978-09-26 1982-11-06
NL8102572A (nl) * 1981-05-26 1982-12-16 Philips Nv Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid.
US4468530A (en) * 1982-01-25 1984-08-28 Torgeson W Lee Loudspeaker system
US4703510A (en) * 1982-06-17 1987-10-27 Larson David A Electro-acoustic transducer with diaphragm and blank therefor
DE3517855C1 (de) * 1985-05-08 1986-10-23 Elac Phonosysteme GmbH, 2300 Kiel Elektrodynamischer Lautsprecher
US4939784A (en) * 1988-09-19 1990-07-03 Bruney Paul F Loudspeaker structure
US5430805A (en) * 1990-12-27 1995-07-04 Chain Reactions, Inc. Planar electromagnetic transducer
EP0996311B1 (de) * 1997-07-09 2007-03-21 FPS Inc. Flacher elektroakustischer wandler
US5850461A (en) * 1997-10-03 1998-12-15 Sonigistix Corporation Diaphragm support frames for acoustic transducers and method of assembly
US6097830A (en) * 1997-11-17 2000-08-01 Sonigistix Corporation Transducer diaphragm with thermal strain relief
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
NL1022820C2 (nl) * 2003-03-03 2004-09-06 Alcons Audio Bv Luidspreker.
US8942408B1 (en) 2011-07-22 2015-01-27 James Joseph Croft, III Magnetically one-side driven planar transducer with improved electro-magnetic circuit
US9197965B2 (en) 2013-03-15 2015-11-24 James J. Croft, III Planar-magnetic transducer with improved electro-magnetic circuit
DE102017102219A1 (de) 2017-02-06 2018-08-09 Sennheiser Electronic Gmbh & Co. Kg Planardynamischer Wandler
DE102020112950A1 (de) 2020-05-13 2021-11-18 Grawe & Schneider GdbR (vertretungsberechtigte Gesellschafter: Thomas Grawe, 83088 Kiefersfelden und Gerd-Peter Schneider, 84032 Landshut) Spule

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB262910A (en) * 1925-11-21 1926-12-23 Edward Alfred Graham Improvements in or relating to telephone transmitters and receivers
US2427844A (en) * 1942-12-16 1947-09-23 Gylling & Co Ab Vibratory unit for electrodynamic loud-speakers
US2535757A (en) * 1946-06-25 1950-12-26 John J Root Peripherally driven electroacoustical transducer
NL112193C (de) * 1958-03-07
US3066200A (en) * 1958-08-11 1962-11-27 William Ward Jackson Speaker device

Also Published As

Publication number Publication date
US3209084A (en) 1965-09-28
DE1184803B (de) 1965-01-07

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