STRUCTURE FOR SUPPRESSING PROPAGATION OF VIBRATION

PROBLEM TO BE SOLVED: To suppress the propagation of vibration to a plate fixed with a vibration source or to a member fixed to the fixing plate in a structure where the vibration source, e.g. a vehicle-mounted speaker, is fixed to the fixing plate. SOLUTION: The fixing plate 12 is provided with a n...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMI TOSHIKAZU, YOSHIDA KENSAKU
Format:	Patent
Sprache:	eng
Schlagworte:	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 PERFORMING OPERATIONS PHYSICS PUBLIC ADDRESS SYSTEMS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SOUND-PRODUCING DEVICES TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To suppress the propagation of vibration to a plate fixed with a vibration source or to a member fixed to the fixing plate in a structure where the vibration source, e.g. a vehicle-mounted speaker, is fixed to the fixing plate. SOLUTION: The fixing plate 12 is provided with a notched hole 30 in the vicinity of the speaker 20 (vibration source). The notched hole 30 is arranged arcuately along substantially a concentric circle centering about the speaker 20. More preferably, the cut hole 30 is filled with a filler 33 and a part 34 turned down to the rear side is provided at the edge part of the cut hole 30. COPYRIGHT: (C)2004,JPO&NCIPI