Bedämpfter Ultraschallwandler
The invention relates to an ultrasonic transducer for distance warning devices in vehicles. Such transducers must be provided with damping structures to be protected from disturbances. The present invention proposes a damping body of silicon foam which acts through a stopper under pre-stress against...
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| creator | MATHES, JOACHIM, 74080 HEILBRONN, DE MUELLER, HARRY, 71711 STEINHEIM, DE GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE HAIBER, EDGAR, 74379 INGERSHEIM, DE WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE |
| description | The invention relates to an ultrasonic transducer for distance warning devices in vehicles. Such transducers must be provided with damping structures to be protected from disturbances. The present invention proposes a damping body of silicon foam which acts through a stopper under pre-stress against the piezo-oscillator (3) and the floor (2) of the resonator shell. Another possible damping measure is to cast the otherwise metal resonator shell from a suitable plastic or to coat a drawn metal shell with a sufficient plastic layer at the appropriate points. |
| format | Patent |
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Such transducers must be provided with damping structures to be protected from disturbances. The present invention proposes a damping body of silicon foam which acts through a stopper under pre-stress against the piezo-oscillator (3) and the floor (2) of the resonator shell. Another possible damping measure is to cast the otherwise metal resonator shell from a suitable plastic or to coat a drawn metal shell with a sufficient plastic layer at the appropriate points.</description><edition>6</edition><language>ger</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SOUND-PRODUCING DEVICES ; TESTING</subject><creationdate>1997</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=19970724&DB=EPODOC&CC=DE&NR=19601656A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970724&DB=EPODOC&CC=DE&NR=19601656A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATHES, JOACHIM, 74080 HEILBRONN, DE</creatorcontrib><creatorcontrib>MUELLER, HARRY, 71711 STEINHEIM, DE</creatorcontrib><creatorcontrib>GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE</creatorcontrib><creatorcontrib>HAIBER, EDGAR, 74379 INGERSHEIM, DE</creatorcontrib><creatorcontrib>WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE</creatorcontrib><title>Bedämpfter Ultraschallwandler</title><description>The invention relates to an ultrasonic transducer for distance warning devices in vehicles. Such transducers must be provided with damping structures to be protected from disturbances. The present invention proposes a damping body of silicon foam which acts through a stopper under pre-stress against the piezo-oscillator (3) and the floor (2) of the resonator shell. Another possible damping measure is to cast the otherwise metal resonator shell from a suitable plastic or to coat a drawn metal shell with a sufficient plastic layer at the appropriate points.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBzSk05vCS3IK0ktUghNKekKLE4OSMxJ6c8MS8lJ7WIh4E1LTGnOJUXSnMzKLq5hjh76KYW5MenFhckJqfmpZbEu7gaWpoZGJqZmjkaGhOjBgBqYSWH</recordid><startdate>19970724</startdate><enddate>19970724</enddate><creator>MATHES, JOACHIM, 74080 HEILBRONN, DE</creator><creator>MUELLER, HARRY, 71711 STEINHEIM, DE</creator><creator>GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE</creator><creator>HAIBER, EDGAR, 74379 INGERSHEIM, DE</creator><creator>WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE</creator><scope>EVB</scope></search><sort><creationdate>19970724</creationdate><title>Bedämpfter Ultraschallwandler</title><author>MATHES, JOACHIM, 74080 HEILBRONN, DE ; MUELLER, HARRY, 71711 STEINHEIM, DE ; GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE ; HAIBER, EDGAR, 74379 INGERSHEIM, DE ; WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE19601656A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>1997</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>MATHES, JOACHIM, 74080 HEILBRONN, DE</creatorcontrib><creatorcontrib>MUELLER, HARRY, 71711 STEINHEIM, DE</creatorcontrib><creatorcontrib>GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE</creatorcontrib><creatorcontrib>HAIBER, EDGAR, 74379 INGERSHEIM, DE</creatorcontrib><creatorcontrib>WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MATHES, JOACHIM, 74080 HEILBRONN, DE</au><au>MUELLER, HARRY, 71711 STEINHEIM, DE</au><au>GROHMANN, GERHARD, 71634 LUDWIGSBURG, DE</au><au>HAIBER, EDGAR, 74379 INGERSHEIM, DE</au><au>WIRKNER, KLAUS, 74321 BIETIGHEIM-BISSINGEN, DE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Bedämpfter Ultraschallwandler</title><date>1997-07-24</date><risdate>1997</risdate><abstract>The invention relates to an ultrasonic transducer for distance warning devices in vehicles. Such transducers must be provided with damping structures to be protected from disturbances. The present invention proposes a damping body of silicon foam which acts through a stopper under pre-stress against the piezo-oscillator (3) and the floor (2) of the resonator shell. Another possible damping measure is to cast the otherwise metal resonator shell from a suitable plastic or to coat a drawn metal shell with a sufficient plastic layer at the appropriate points.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SOUND-PRODUCING DEVICES TESTING |
| title | Bedämpfter Ultraschallwandler |
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