Title:
INFORMATIVE VIBRATION GENERATOR
Document Type and Number:
Japanese Patent JPH10272417
Kind Code:
A
Abstract:
To miniaturize a portable communication device and also to surely uniform a user of an incoming call.
A vibration device 109 is provided with a magnetic circuit consisting of a permanent magnet and a coil, a first vibration body driven by the magnetic circuit and also mechanically resonating at a frequency f0 and a second vibration body mechanically resonating at a frequency f1. Whether a rectangular wave signal being the frequency f0 outputted from rectangular wave generation circuits 1, 2 is applied as a first signal through a filter 3 or a second signal containing a signal being the frequency f1 produced by second signal generation circuits 1, 4 is applied to the vibration device 109 is selected by a switch means 5.
Inventors:
HAMAGUCHI SHUNEI
Application Number:
JP8021697A
Publication Date:
October 13, 1998
Filing Date:
March 31, 1997
Export Citation:
Assignee:
SANYO ELECTRIC CO
International Classes:
G08B6/00; B06B1/04; G05D19/02; H02K7/065; H02K33/00; H04W88/00; (IPC1-7): B06B1/04; G08B6/00; H02K7/065; H02K33/00; H04Q7/14
Attorney, Agent or Firm:
Koji Yasutomi (1 person outside)