Title:
NOTICE UNIT FOR MOBILE COMMUNICATION UNIT
Document Type and Number:
Japanese Patent JP3521830
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a notice unit for a mobile communication unit, which can be used in a silent mode without limit in the resonance frequency.
SOLUTION: Two magnetic gape A, B are formed in an inner or outer magnetic circuit 2 of, voice coils 8, 11 are placed in the magnetic gaps A, B respectively, the voice coil 8 is connected to a diaphragm 10 to form a 1st vibration section and the other voice coil 11 is connected to a case 14 placed outside the magnetic circuit via supports 12, 13 to form a 2nd vibration section consisting of the supports and the magnetic circuit, a voice signal and/or a call tone signal are sent to the voice coil 8 of the 1st vibration section to configure a voice reception function and/or a call tone reception function, and an incoming call signal is sent to the voice coil 11 of the 2nd vibration section to vibrate the supports and the magnetic circuit and to configure a silent mode call notice function for the resonance of a mobile communication unit main body independently of each other in the notice unit 1.
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Inventors:
Fukawatase, Toshifumi
Oki, Kenichi
Mae, Yutaka
Oki, Kenichi
Mae, Yutaka
Application Number:
JP2000034403A
Publication Date:
April 26, 2004
Filing Date:
February 14, 2000
Export Citation:
Assignee:
MINEBEA CO LTD
International Classes:
H04R1/24; B06B1/04; H04M1/02; H04R1/00; H04R9/00; H04R9/02; (IPC1-7): H04R1/24; B06B1/04; H04M1/02; H04R1/00; H04R9/02
Attorney, Agent or Firm:
幸田 全弘