SPEAKER

The present disclosure provides a speaker, which includes a frame having receiving space, a magnetic circuit system and a vibration system received in the receiving space. The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the fram...

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1. Verfasser:	Zhang, Guqing
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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creator	Zhang, Guqing
description	The present disclosure provides a speaker, which includes a frame having receiving space, a magnetic circuit system and a vibration system received in the receiving space. The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the frame, a primary magnet fixed on the lower plate, two secondary magnets disposed on both sides of the primary magnet, and an upper plate disposed on the secondary magnet, the upper plate includes a first surface facing towards the diaphragm, a second surface distal from the diaphragm, a fixing groove recessed from the second surface towards the first surface and a fixing hole. The fixing groove includes a bottom surface distal from the second surface. The fixing hole extends from the bottom surface to the first surface. The frame being injection-molded is filled in the fixing groove and the fixing hole.
format	Patent
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The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the frame, a primary magnet fixed on the lower plate, two secondary magnets disposed on both sides of the primary magnet, and an upper plate disposed on the secondary magnet, the upper plate includes a first surface facing towards the diaphragm, a second surface distal from the diaphragm, a fixing groove recessed from the second surface towards the first surface and a fixing hole. The fixing groove includes a bottom surface distal from the second surface. The fixing hole extends from the bottom surface to the first surface. The frame being injection-molded is filled in the fixing groove and the fixing hole.</description><language>eng</language><subject>DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; PUBLIC ADDRESS SYSTEMS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200227&DB=EPODOC&CC=US&NR=2020068314A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200227&DB=EPODOC&CC=US&NR=2020068314A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Zhang, Guqing</creatorcontrib><title>SPEAKER</title><description>The present disclosure provides a speaker, which includes a frame having receiving space, a magnetic circuit system and a vibration system received in the receiving space. The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the frame, a primary magnet fixed on the lower plate, two secondary magnets disposed on both sides of the primary magnet, and an upper plate disposed on the secondary magnet, the upper plate includes a first surface facing towards the diaphragm, a second surface distal from the diaphragm, a fixing groove recessed from the second surface towards the first surface and a fixing hole. The fixing groove includes a bottom surface distal from the second surface. The fixing hole extends from the bottom surface to the first surface. The frame being injection-molded is filled in the fixing groove and the fixing hole.</description><subject>DEAF-AID SETS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS</subject><subject>PUBLIC ADDRESS SYSTEMS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZGAPDnB19HYN4mFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8aHBRgZGBgZmFsaGJo6GxsSpAgBxoBvh</recordid><startdate>20200227</startdate><enddate>20200227</enddate><creator>Zhang, Guqing</creator><scope>EVB</scope></search><sort><creationdate>20200227</creationdate><title>SPEAKER</title><author>Zhang, Guqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2020068314A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>DEAF-AID SETS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS</topic><topic>PUBLIC ADDRESS SYSTEMS</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Guqing</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhang, Guqing</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPEAKER</title><date>2020-02-27</date><risdate>2020</risdate><abstract>The present disclosure provides a speaker, which includes a frame having receiving space, a magnetic circuit system and a vibration system received in the receiving space. The vibration system includes a diaphragm and a voice coil, the magnetic circuit system includes a lower plate fixed to the frame, a primary magnet fixed on the lower plate, two secondary magnets disposed on both sides of the primary magnet, and an upper plate disposed on the secondary magnet, the upper plate includes a first surface facing towards the diaphragm, a second surface distal from the diaphragm, a fixing groove recessed from the second surface towards the first surface and a fixing hole. The fixing groove includes a bottom surface distal from the second surface. The fixing hole extends from the bottom surface to the first surface. The frame being injection-molded is filled in the fixing groove and the fixing hole.</abstract><oa>free_for_read</oa></addata></record>
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subjects	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
title	SPEAKER
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