DE1799329U - PERMANENT RING GAP MAGNET SYSTEM WITH A POT-LIKE SHIELD - Google Patents

PERMANENT RING GAP MAGNET SYSTEM WITH A POT-LIKE SHIELD

Info

Publication number
DE1799329U
DE1799329U DE1959D0018927 DED0018927U DE1799329U DE 1799329 U DE1799329 U DE 1799329U DE 1959D0018927 DE1959D0018927 DE 1959D0018927 DE D0018927 U DED0018927 U DE D0018927U DE 1799329 U DE1799329 U DE 1799329U
Authority
DE
Germany
Prior art keywords
pot
shield
magnet system
ring gap
permanent ring
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.)
Expired
Application number
DE1959D0018927
Other languages
German (de)
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.)
Deutsche Edelstahlwerke AG
Original Assignee
Deutsche Edelstahlwerke AG
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 Deutsche Edelstahlwerke AG filed Critical Deutsche Edelstahlwerke AG
Priority to DE1959D0018927 priority Critical patent/DE1799329U/en
Publication of DE1799329U publication Critical patent/DE1799329U/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34Directing or guiding sound by means of a phase plug
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit

Description

. göpals ! neTma. &netsysa. a ! d eies ? öfaigen AscuHg x&-M--- WW « » K-ffl Tewen osy&iscea, SaermaHesrksofes bisils- weise auf ap Sasis-Sisen-II-Qsyä-Baimoyd si&& Ringspalt- daemag99y@tme a Qtpehr etwie&et werdet die as Einern Sis diesta Saeymagnewerktffs &it auf die irnfläehe aufgelegten Weieheisenplatten bestehen. Auf der unteren Platte tati& Weießenkeys agesetzt, e ? in einer Bedräng'er oberenPlaHe ar Bilag ds Riagspaltes Mnei-aagt. 2am anmesaH s sNeyem sind dey Bsuemagatring and die nterßlate mit einer jSmatsff&Slle umsprit. e. t :e-9 aufeates $yötem weist eine nich unerhebHehe Aeseas aa 4e im Empfangsgeräte in das ein solches Systemmtsam em aMtspyeeheyko eiagebat wid, s gtrtmgen A11la. ß $&in kann.. Infòlgeitess&ll wh-d ein We1eheisentopf vorgesehen. welheN das System 8 eingesetzt ist da@ es von Boden und ; aei, *4gnwantl üee'Zoet-ea eineleowissen A'bstaad wahi-t. Zuret « et gwe : age aue aet- eyeittim aind Vo : rechläge bekanntl, die im wesentlichen dann bestehen, eaweey a yp er an de etsomhllung KoekN Wamste'-. dg : l. v&sMeet die eine eds&de Xlessver- bndung wisehen e beia. Teilen bewerkstelligen Bißse Walste oder NO-ekezL a : -ad entwede-z l'a de-r T-Optwanclung oder am umfanz der Eassteffälle vorgesehen. Das eine me. t besondere Arbeit- änge as a&er ssplisierte Brmem fy das Szem owndig. 3) er satapree&ey&or wird T) diesem Systemen i& Sblihr Weise an d : Le oder pelplatte angeechraubt. Zweck, der Neuerung ist es. eine Anordnmg zu. schaffen, die eine vereinfachte Seratellmg : gestattet. Zu diesem 2weck wird vor- geschlagen j den aachimtopf durch Anfeilen des wischenraumes wis&en aa-ersaetsystem und Topfwand bezwv-boden mit Hnst- tof am System zu befestigen. Als besondere zwekmäßig hat es aih erwiesen, eine Füllung des wisehesaNeaUs Schaumsto : ff'Vorzusehen, Derartige Schaum- ßicff sHa. a sieh bekannt. Es handelt sieh um-olyarthane, die nah dem Binschäumen in die vorgesehenen Rdum alsbald aus- hrta-HSd ine este Tep&indun zwischen den Teilen schaffen wischen denen sie vorgesehen werden. Es ist daher auch xöglicht mit-dem Zunstatoff gleichzeitig d : Le Biüzelteile deszusammen zu halten. Ba eröffnet sih. eyner di@ Hg$ehkeit, en Lsatsprecherkorb einstöckig mit der det Xvdsehewan ng Pormenv Aufdiese Wise i ee mglieh, einen einfach herzust-ellenden glatten Abschlmtopf zu vezwenden und auf die gesonderte Um- hSHung des Latspreeheraytme vesichten. Darber hinaus kann das lastige ersehas-be des aatspreeherkorbes mit der Deck (ler Felplatt entfallen daß ebenaBs mehrere Arbeits- schritte zum Anbringen der Gewindebongen und des Verschrau- bess salbst rordert. In der eiehnung sind jeweils im senkrechten Schnitt zwei be- TOrzogt Asahrngsfrmes, 4er Neuerung beispielsweise dar- gestellt. as Riapaltmagetsytem besteht in d sich bekannter Weise aus einem Dauermagnetring 1 aus oxydischem Dauermagnetwerkstoff, -der unteren Weicheisenpla-tte 2 und der oberen Deck-oder Pol- platte 3-. An der unteren Platte ist der Weiaheisenkern 4 in beliebiger Weiae beestigt< Er ragt in eine Bohrung der Platte ,auf zur Bildung es Ringspaltes S. Um<e uSnstreaoa einee solehe. ytems zn untebinden ist es bkaNat einen Weseisentspf verziehen, in den das System mitieineat ewiass bsand egesetxt ist. Bn-soleher opf aus Weicheisenißt bei ageäet. emß e Neexsg ist 4y Tf 6 a. a. dem System eiestigt nem yate, m be : t,-a,"-gte indez , -d$ Zmacheaum., wischen dem System und -fffwand 8 MZW. <am efboden 9 at aem ntoff 3. ist. Sem saBBssas aeser ede wird derart v-erta4ren, daß das aus enea,'Sinseeen t- asaaagesellte System mit der Platte 3 nachläntea. geihte af ein geeiae nterlag aäfgelgt wird. Daraufhin » g ; e : te e a m mit de e 5 beygstSlp tmä dey sehesraam mit Smnstsff Tollgespritzi öep ToHgeo seB weei es besoRrs sec&mßg i.t eich einesscTn&ea. de ayartass z beienen. Im Sp $ sad zur BreM'Sg des Spi-* &er BiRghass ? egange ei&e der err faaag wi be t angedeutete vorgee Lautp, re'herk6rb$t die aus Metal1. ed. er auen aus Kunetsto : ff hr- gestelltwsrdes aren Ms an dea ? el-oder Dekpla 3 =geaobi% aubts Gemä3 der Neuer=g kann 4. n vorteilhafter Weise" wieaaö b< scli&, er sstsprecey&r t inseM mit dr Bässe ß anssiffe hergestellt we@& de den Zw : Legbenzaum 7 austu3, ss Nagnetsyßtes t m ewählten Be o, piel vom eleicheh Aufbau wie in, Abb. 1. Zur Be-feetigung de-a - Tpfe 6 neysts a ee satsseheyk&Be 11 sererseitB sowier Bew&aa es asammenhalee auh er Bnzlteie - es Systems ist semt ay ein-einziger Arbeitsschritt rforder- es. % a Herstellbag de ?" AaerdBaag ach Abb* 2 wo das tn VpiUNg Mit t 1 beeriees af ine ni@xle, äg- et de sieh &ea eae iRgfSxmige Offsüsg befindt die at e Bm TyRag teh in dey der orb9rpey 11 ge- bildet wrd JM IWßRg ja. SshMBtsoffes den senderen Tgt åäßd1-e Gesamtanòrdn\Ulg'besonders, : teícht wird, wobei die S@sussofSllSBg B p aus Schsassiof gebildete at- gpr er n auf t und ngind h i gegauSóh1ag-und S'toßbea. napruchungen. . göpals! neTma. & netsysa. a! this? common AscuHg x & -M --- WW «» K-ffl Tewen osy & iscea, SaermaHesrksofes bisils- wise on ap Sasis-Sisen-II-Qsyä-Baimoyd si && annular gap- daemag99y @ tme a Qtpehr sthie & et will die as A Sis diesta Saeymagnewerkffs & it on the surface There are cast iron plates. On the lower plate tati & Weießenkeys set, e? in an oppressor UPPER PLANE ar Bilag ds Riagspaltes Mnei-aagt. 2am anmesaH's sNeyem are dey Bsuemagatring and the nterßlate with a jSmatsff & Slle. e. t : e-9 on the $ yotem has a not inconsiderable height Aeseas aa 4e in the receiving device in the one Systemmtsam em aMtspyeeheyko eiagebat wid, s gtrmgen A11la. ß $ & in can .. Infòlgeitess & ll wh-d an iron pot provided. Whichever system 8 is used, it is from the ground and ; aei, * 4gnwantl üee'Zoet-ea eineleowissen A'bstaad wahi-t. Zuret "et gwe: age aue aet- eyeittim aind Vo: additions known, which are essentially then insist, eaweey a yp er an de etsomhllung KoekN vest'-. dg: l. v & sMeet the one eds & de Xlessver- bndung know e beia. Divide do bites whales or NO-ekezL a: -ad either-z l'a de-r T-Optwanclung or on the periphery of Eassenfffalls provided. The one me. t special work änge as a & er splitted Brmem fy the Szem owndig. 3) he satapree & ey & or will T) this systems i & Sblihr way screwed to d: le or pel plate. Purpose, the innovation is. an arrangement to. create that one Simplified Seratellmg: permitted. For this purpose it is beaten j the aachimtopf by filing the wipe space wis & en aa-ersaetsystem and pot wall or base with bow tof to be attached to the system. It has proven to be particularly useful to have a filling of the wisehesaNeaUs Foam: ff 'Provide for such foam ßicff sHa. a see known. It's about-olyarthane, which is close to the foam in the designated area as soon as possible. hrta-HSd create ine este Tep & indun between the parts wipe where they are intended. It is therefore also possible with-the Zunstatoff at the same time d: Le Biüzelteile to hold together Ba opens it up. eyner di @ Hg $ ehkeit, en Lsatsprecherkorb one story with the det Xvdsehewan ng Pormenv In this way it is possible to produce one that is easy to manufacture to use a smooth blow-off pot and to Beware of the Latspreeheraytme. Beyond that can the annoying ersehas-be of the aatspreeherborb with the Deck (ler Felplatt is not necessary that also several working steps for attaching the threaded bends and the screw better anointing. In the description, in the vertical section, there are two TOrzogt Asahrngsfrmes, 4th innovation, for example, posed. The Riapaltmagetsystem consists in the known way from a permanent magnet ring 1 made of oxidic permanent magnet material, -the lower soft iron plate 2 and the upper deck or pole plate 3-. On the lower plate is the 4 in Any white fortified <It protrudes into a hole in the plate , on to the formation of the annular gap S. To <e uSnstreaoa ane such marriage. ytems zn is untied it bkaNat a Weseisentspf forgive in the system mitieineat ewiass bsand egesetxt is. Bn-soleher opf off Soft iron eats at ageäet. emß e Neexsg is 4y Tf 6 aa the system is attached yate, m be: t, -a, "- gte indez , -d $ Zmacheaum., wipe the system and -fffwall 8 MZW. <at the floor 9 at aem ntoff 3. is. Sem saBBssas aeser ede is v-denied in such a way that it ends enea, 'Sinseeen t- asaaagesellt system with the plate 3 nachlantea. approved af a geeiae nterlag aäfgelgt will. Thereupon »g; e: te eam with de e 5 beygstSlp tmä dey sehesraam with Smnstsff Tollspritzi öep ToHgeo seB weei es besoRrs sec & mßg it eich einesscTn & ea. de ayartass z be be. In the fun to BreM'Sg des Spi- * & er BiRghass? egange ei & e der err faaag wi be t hinted at Lautp, re'herk6rb $ t die aus Metal1. ed. he outside made of plastic: ff hr- posedwsrdes aren Ms an dea? el- or Dekpla 3 = geaobi% aubts According to the new = g can 4. n advantageous way " wieaaö b <scli &, er sstsprecey & r t inseM we @ & de den manufactured with dr basses ß anssiffe Zw: Legbenzaum 7 austu3, ss Nagnetsyßtes tm e selected Be o, piel from the same structure as in, Fig. 1. To attach de-a - Pot 6 neysts a ee satsseheyk & Be 11 sererseitB as well as Bew & aa it asammenhalee auh he Bnzlteie - the system is semt ay a single work step required- it. % a manufacturing bag de? "AaerdBaag oh fig * 2 where that tn VpiUNg With t 1 beeriees af ine ni @ xle, äg- et de see & eae iRgfSxmige offsüsg is the at e Bm TyRag teh in dey der orb9rpey 11 ge forms wrd JM IWßRg yes. SshMBtsoffes the sender Tgt åäßd1-e overall list \ Ulg'besonders,: is part, where the S @ sussofSllSBg B p formed from Schsassiof at- gpr er n on t and ngind hi GegauSóh1ag-und S'toßbea. breakdowns.

Claims (1)

prüche 1-mi, t ein-er topf arti-g--u 8 Weesen, aML genieSmet da dy Achs deohbwa (eß od it x System nd p and (S besw< 9den (9) mit Sunsißtaff am Syem$est ie.
saagtsytm nah Asyaeh t gknnzichne drsh a. ll&a wshessamss ( ?) as-Sehsamateff cter vor, =egwgir>e 2 : Lnze'-ltelle aea zusamenh91t.
ets3sa. 'ysm ae& nsxeh nd 2 äa. da. ? h eeken=ei, ohriet % ke&zeihB da e j'ero-yb () eita. c& r wachsyaafag t ? sngefgt t.
sayings 1-mi, t a-er pot arti-g - u 8 Weesen, aML enjoys da dy Achs deohbwa (eß od it x System nd p and (S besw <9den (9) with Sunsissaff am Syem $ est ie.
saagtsytm nah Asyaeh t gknnzichne drsh a. ll & a wshessamss (?) as-Sehsamateff cter vor, = egwgir> e 2: Lnze'-ltelle aea together.
ets3sa. 'ysm ae & nsxeh nd 2 äa. there. ? H eeken = egg, ohriet% ke & zeihB da e j'ero-yb () eita. c & r waxyaafag t? sngefgt t.
DE1959D0018927 1959-09-10 1959-09-10 PERMANENT RING GAP MAGNET SYSTEM WITH A POT-LIKE SHIELD Expired DE1799329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1959D0018927 DE1799329U (en) 1959-09-10 1959-09-10 PERMANENT RING GAP MAGNET SYSTEM WITH A POT-LIKE SHIELD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1959D0018927 DE1799329U (en) 1959-09-10 1959-09-10 PERMANENT RING GAP MAGNET SYSTEM WITH A POT-LIKE SHIELD

Publications (1)

Publication Number Publication Date
DE1799329U true DE1799329U (en) 1959-11-05

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Family Applications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224366B (en) * 1962-12-13 1966-09-08 Akustische Electroacoustic transducer and device for its manufacture
DE1814860B1 (en) * 1968-12-16 1970-04-09 Deutsche Edelstahlwerke Ag Low stray field permanent magnet system for loudspeakers
EP1532838A2 (en) * 2002-05-02 2005-05-25 Harman International Industries, Inc. Electro-dynamic planar loudspeakers
US7146017B2 (en) 2002-05-02 2006-12-05 Harman International Industries, Incorporated Electrical connectors for electro-dynamic loudspeakers
US7203332B2 (en) 2002-05-02 2007-04-10 Harman International Industries, Incorporated Magnet arrangement for loudspeaker
US7316290B2 (en) 2003-01-30 2008-01-08 Harman International Industries, Incorporated Acoustic lens system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224366B (en) * 1962-12-13 1966-09-08 Akustische Electroacoustic transducer and device for its manufacture
DE1224366C2 (en) * 1962-12-13 1974-03-21 Akustische Electroacoustic transducer and device for its manufacture
DE1814860B1 (en) * 1968-12-16 1970-04-09 Deutsche Edelstahlwerke Ag Low stray field permanent magnet system for loudspeakers
EP1532838A2 (en) * 2002-05-02 2005-05-25 Harman International Industries, Inc. Electro-dynamic planar loudspeakers
EP1532838A4 (en) * 2002-05-02 2005-11-23 Harman Int Ind Electro-dynamic planar loudspeakers
US7146017B2 (en) 2002-05-02 2006-12-05 Harman International Industries, Incorporated Electrical connectors for electro-dynamic loudspeakers
US7203332B2 (en) 2002-05-02 2007-04-10 Harman International Industries, Incorporated Magnet arrangement for loudspeaker
US7316290B2 (en) 2003-01-30 2008-01-08 Harman International Industries, Incorporated Acoustic lens system

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