TRANSCEIVER OF ULTRASONIC WAVE
PURPOSE:To attain a sharp directivity and an excellent pulse characteristic, by fixing the surrounding of a diaphragm provided at the center of a stick type piezoelectric element to a case with an elastic member and providing a thin plate having an aperture and a horn. CONSTITUTION:The diaphragm 13...
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| creator | ITOU YUKIHIKO TOKUSHIMA AKIRA UESHIBA NOZOMI TAKAYAMA RIYOUICHI |
| description | PURPOSE:To attain a sharp directivity and an excellent pulse characteristic, by fixing the surrounding of a diaphragm provided at the center of a stick type piezoelectric element to a case with an elastic member and providing a thin plate having an aperture and a horn. CONSTITUTION:The diaphragm 13 is fitted to a coupling shaft 12 arranged at the center of the stick type piezoelectric element 11 and the surrounding of this diaphragm 13 is fixed at the inner side surface of the cylindrical case 17 elastically via a buffer member 20 such as an elastic rubber formed in a circular ring shape so as to suppress mechanical vibration. Further, a sound absorption material 21 is provided at the bottom of the case 17. Moreover, the thin plate 23 having the circular aperture 22 and the other aperture 22' provided on the concentric circle taking the straight line passing through the coupling shaft 12 is formed at the center in front of the diaphragm 13, and the thin plate 23 and the case 17 covering the piezoelectric element 11 are inserted and held to the throat of a parabola horn 24. |
| format | Patent |
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CONSTITUTION:The diaphragm 13 is fitted to a coupling shaft 12 arranged at the center of the stick type piezoelectric element 11 and the surrounding of this diaphragm 13 is fixed at the inner side surface of the cylindrical case 17 elastically via a buffer member 20 such as an elastic rubber formed in a circular ring shape so as to suppress mechanical vibration. Further, a sound absorption material 21 is provided at the bottom of the case 17. Moreover, the thin plate 23 having the circular aperture 22 and the other aperture 22' provided on the concentric circle taking the straight line passing through the coupling shaft 12 is formed at the center in front of the diaphragm 13, and the thin plate 23 and the case 17 covering the piezoelectric element 11 are inserted and held to the throat of a parabola horn 24.</description><language>eng</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PHYSICS ; PUBLIC ADDRESS SYSTEMS ; SOUND-PRODUCING DEVICES</subject><creationdate>1983</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=19831209&DB=EPODOC&CC=JP&NR=S58212300A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831209&DB=EPODOC&CC=JP&NR=S58212300A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITOU YUKIHIKO</creatorcontrib><creatorcontrib>TOKUSHIMA AKIRA</creatorcontrib><creatorcontrib>UESHIBA NOZOMI</creatorcontrib><creatorcontrib>TAKAYAMA RIYOUICHI</creatorcontrib><title>TRANSCEIVER OF ULTRASONIC WAVE</title><description>PURPOSE:To attain a sharp directivity and an excellent pulse characteristic, by fixing the surrounding of a diaphragm provided at the center of a stick type piezoelectric element to a case with an elastic member and providing a thin plate having an aperture and a horn. 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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SOUND-PRODUCING DEVICES |
| title | TRANSCEIVER OF ULTRASONIC WAVE |
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