Title:
ACTUATOR OF NOISE CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH08179784
Kind Code:
A
Abstract:
PURPOSE: To improve a cancel effect of a dual type actuator whose structure is simple.
CONSTITUTION: A cancel sound guiding part 10 arranged in parallel to a tail pipe 4 in order to guide a cancel sound is arranged in an actuator of a noise control device having a loudspeaker 8 to output the cancel sound to cancel a noise emitted from the tail pipe 4. A bridge 11 communicates the tail pipe 4 and the cancel sound guiding part 10 with each other, and emits a part of the noise from the cancel sound guiding part 10, and emits a part of the cancel sound from the tail pipe 4.
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Inventors:
SAKIYAMA KAZUHIRO
NAGAMI MASAAKI
ISHIKAWA OSAMU
KUSANO TOSHIAKI
IWAMOTO SHINICHI
NAGAMI MASAAKI
ISHIKAWA OSAMU
KUSANO TOSHIAKI
IWAMOTO SHINICHI
Application Number:
JP32558894A
Publication Date:
July 12, 1996
Filing Date:
December 27, 1994
Export Citation:
Assignee:
FUJITSU TEN LTD
International Classes:
B60K13/04; F01N1/00; G10K11/16; G10K11/178; (IPC1-7): G10K11/178; B60K13/04; F01N1/00; G10K11/16
Attorney, Agent or Firm:
Takashi Ishida (3 others)