HEADREST HAVING SPEAKER
The present invention prevents a three-dimensional fabric arranged in front surfaces of speakers from flapping due to sound. In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a p...
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| creator | TAKENAKA, Kazuhiro YASUI, Kazunari UCHIYAMA, Takao OGURA, Yumi FUJITA, Etsunori |
| description | The present invention prevents a three-dimensional fabric arranged in front surfaces of speakers from flapping due to sound. In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a predetermined distance are arranged. A three-dimensional fabric 421 is tensioned and arranged so as to cover the front surface sides of the sound-emitting direction regulating members 23, 33. When the three-dimensional fabric 421 is pressed against the annular portions 231, 331 configuring the sound-emitting direction regulating members 23, 33, the annular portions 231, 331 bite into the three-dimensional fabric 421 since the three-dimensional fabric 421 has a predetermined thickness. The annular portions 231, 331 are provided so as to surround diaphragms 221, 321 of the speakers 20, 30. Sound output from the speakers 20, 30 passes inside the annular portions 231, 331. However, the periphery of a region of the three-dimensional fabric 421 in which sound passes is supported by the biting of the annular portions 231, 331, thereby preventing the three-dimensional fabric 421 from flapping widely in response to the sound. |
| format | Patent |
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In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a predetermined distance are arranged. A three-dimensional fabric 421 is tensioned and arranged so as to cover the front surface sides of the sound-emitting direction regulating members 23, 33. When the three-dimensional fabric 421 is pressed against the annular portions 231, 331 configuring the sound-emitting direction regulating members 23, 33, the annular portions 231, 331 bite into the three-dimensional fabric 421 since the three-dimensional fabric 421 has a predetermined thickness. The annular portions 231, 331 are provided so as to surround diaphragms 221, 321 of the speakers 20, 30. Sound output from the speakers 20, 30 passes inside the annular portions 231, 331. However, the periphery of a region of the three-dimensional fabric 421 in which sound passes is supported by the biting of the annular portions 231, 331, thereby preventing the three-dimensional fabric 421 from flapping widely in response to the sound.</description><language>eng ; fre ; ger</language><subject>BEDS ; CHAIRS ; COFFEE MILLS ; DEAF-AID SETS ; DOMESTIC ARTICLES OR APPLIANCES ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; FURNITURE ; HUMAN NECESSITIES ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; PERFORMING OPERATIONS ; PUBLIC ADDRESS SYSTEMS ; SEATS SPECIALLY ADAPTED FOR VEHICLES ; SOFAS ; SPICE MILLS ; SUCTION CLEANERS IN GENERAL ; TRANSPORTING ; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><creationdate>2017</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=20171220&DB=EPODOC&CC=EP&NR=3257402A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171220&DB=EPODOC&CC=EP&NR=3257402A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKENAKA, Kazuhiro</creatorcontrib><creatorcontrib>YASUI, Kazunari</creatorcontrib><creatorcontrib>UCHIYAMA, Takao</creatorcontrib><creatorcontrib>OGURA, Yumi</creatorcontrib><creatorcontrib>FUJITA, Etsunori</creatorcontrib><title>HEADREST HAVING SPEAKER</title><description>The present invention prevents a three-dimensional fabric arranged in front surfaces of speakers from flapping due to sound. In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a predetermined distance are arranged. A three-dimensional fabric 421 is tensioned and arranged so as to cover the front surface sides of the sound-emitting direction regulating members 23, 33. When the three-dimensional fabric 421 is pressed against the annular portions 231, 331 configuring the sound-emitting direction regulating members 23, 33, the annular portions 231, 331 bite into the three-dimensional fabric 421 since the three-dimensional fabric 421 has a predetermined thickness. The annular portions 231, 331 are provided so as to surround diaphragms 221, 321 of the speakers 20, 30. Sound output from the speakers 20, 30 passes inside the annular portions 231, 331. 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In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a predetermined distance are arranged. A three-dimensional fabric 421 is tensioned and arranged so as to cover the front surface sides of the sound-emitting direction regulating members 23, 33. When the three-dimensional fabric 421 is pressed against the annular portions 231, 331 configuring the sound-emitting direction regulating members 23, 33, the annular portions 231, 331 bite into the three-dimensional fabric 421 since the three-dimensional fabric 421 has a predetermined thickness. The annular portions 231, 331 are provided so as to surround diaphragms 221, 321 of the speakers 20, 30. Sound output from the speakers 20, 30 passes inside the annular portions 231, 331. However, the periphery of a region of the three-dimensional fabric 421 in which sound passes is supported by the biting of the annular portions 231, 331, thereby preventing the three-dimensional fabric 421 from flapping widely in response to the sound.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP3257402A1 |
| source | esp@cenet |
| subjects | BEDS CHAIRS COFFEE MILLS DEAF-AID SETS DOMESTIC ARTICLES OR APPLIANCES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FURNITURE HUMAN NECESSITIES LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PERFORMING OPERATIONS PUBLIC ADDRESS SYSTEMS SEATS SPECIALLY ADAPTED FOR VEHICLES SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | HEADREST HAVING SPEAKER |
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