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Patent Searching and Data


Title:
MOBILE PHONE, ELECTROACOUSTIC TRANSDUCER, AND ELECTRIC VIBRATION TRANSDUCER
Document Type and Number:
Japanese Patent JP2003273965
Kind Code:
A
Abstract:

To reproduce a sound with a wide range of low sound frequencies by allowing one unit to activate a function of a speaker and a somesthetic vibration generator (vibrator) and to extract a low frequency sound of a small- sized speaker for a user to bodily sense the sound as vibration.

A vibration coil 33 is placed in a rocking enabled manner in a leakage magnetic flux 21 of a magnet 20 used for a magnetic circuit 25 of the speaker 7 and the vibration is delivered to a case 17 via a spring 36.


Inventors:
TSUNODA SUSUMU
TANNO HAJIME
Application Number:
JP2002070444A
Publication Date:
September 26, 2003
Filing Date:
March 14, 2002
Export Citation:
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Assignee:
TSUNODA SUSUMU
TANNO HAJIME
International Classes:
B06B1/04; H02K33/18; H04M1/00; H04M1/02; H04M1/725; H04R1/00; H04R9/00; (IPC1-7): H04M1/00; B06B1/04; H02K33/18; H04M1/02; H04M1/725; H04R1/00; H04R9/00
Attorney, Agent or Firm:
Hidekuma Matsukuma