About: Parabolic loudspeaker

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Parabolic-shaped speaher producing coherent plane waves

Property	Value
dbo:description	parabolic-shaped speaher producing coherent plane waves (en)
dbo:thumbnail	wiki-commons:Special:FilePath/Olofoni3.jpg?width=300
dbo:wikiPageWikiLink	dbc:Loudspeaker_technology dbr:Loudspeaker_enclosure dbr:Sound_power dbr:Decibel dbr:Parabola dbr:Sphere dbr:Stereophonic_sound dbr:Plane_wave dbr:Parabolic_microphone dbr:Shock_wave dbr:Voice_coil dbr:Horn_loudspeaker dbr:Parabolic_reflector dbr:Stadium dbr:Performing_arts_center dbr:Loudspeaker dbr:Oxygen dbr:Rome dbr:World_War_II dbr:Line_array dbr:Spatial_music dbr:Airport dbr:Hertz dbr:Methane dbr:Audio_signal_processing dbr:Sound_reinforcement_system dbr:John_Meyer_(audio_engineer) dbr:Sonic_weapon dbr:Speaker_driver dbr:Directional_sound dbr:Horn_(acoustic) dbr:Soundproofing dbr:Beam_steering dbr:Meyer_Sound_Laboratories dbr:Trade_fair dbr:Video_arcade dbr:Long_Range_Acoustic_Device dbr:Public_address dbr:Damping_ratio dbr:Exhibition_center dbr:Bi-amping dbr:File:Olofoni3.jpg
dbp:d	14 (xsd:integer)
dbp:date	September 2021 (en)
dbp:inventor	Stanley F. White (en)
dbp:m	12 (xsd:integer)
dbp:number	3997023 (xsd:integer) 5821470 (xsd:integer)
dbp:reason	54.0 (dbd:second)
dbp:title	Loudspeaker with improved surround (en)
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Convert dbt:Visible_anchor dbt:US_patent_application dbt:Cn dbt:Fv dbt:US_patent_reference dbt:Short_description
dbp:y	1976 (xsd:integer)
dct:subject	dbc:Loudspeaker_technology
gold:hypernym	dbr:Loudspeaker
rdfs:label	Parabolic loudspeaker (en)
owl:sameAs	freebase:Parabolic loudspeaker wikidata:Parabolic loudspeaker dbpedia-global:Parabolic loudspeaker dbr:Parabolic loudspeaker
prov:wasDerivedFrom	wikipedia-en:Parabolic_loudspeaker?oldid=1157666668&ns=0
foaf:depiction	wiki-commons:Special:FilePath/Olofoni3.jpg
foaf:isPrimaryTopicOf	wikipedia-en:Parabolic_loudspeaker
is dbo:wikiPageRedirects of	dbr:Holophones
is dbo:wikiPageWikiLink of	dbr:Whispering_gallery dbr:Loudspeaker dbr:Wind_profiler dbr:Spatial_music dbr:Sodar dbr:Directional_sound dbr:Loudspeaker_measurement dbr:Ferdinand_E._Kuhn dbr:Holophones
is foaf:primaryTopic of	wikipedia-en:Parabolic_loudspeaker