| 摘要 |
PURPOSE: A vibrator for the back of a chair is provided to vibrate the back of a chair placed in front of an oscillating speaker with an amplified sound source, thereby giving an experience of various kinds of vibration by music rhythm and the like to users. CONSTITUTION: A vibrator for the back of a chair using a sound source comprises: a wireless sound source receiver(20) which receives a sound source from a wireless sound source transmitter(10); a sound source selector(30) which selects a wireless sound source or a wire sound source, and outputting in two paths; an ear phone output(40) which generates audio signals by receiving one output path; an amplitude size manager(50) which manages an amplitude size by receiving the other output path; a low path and pre-amplification part(60) which pre-amplifies the sound source after extracting the low frequency sound source; a main amplifier(80) which main-amplifies the output from the low path and pre-amplification part; and an oscillating speaker(90) which vibrates the back of the chair. [Reference numerals] (10) Wireless sound source transmitter; (20) Wireless sound source receiver; (30) Sound source selector; (40) Ear phone output; (50) Amplitude size manager; (60) Low path and pre-amplification part; (80) Main amplifier; (90) Oscillating output speaker; (AA) Providing sound sources through wires; |
