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BRIEF DESCRIPTION OF THE DRAWINGS The drawing is a perspective view of the present
invention. 1 иии Piezoelectric thin plate, 2 и и и и и и и и и и и и и и и и и и и и и curved surface portion 2b и и и и и и
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a combined air
pillow and speaker that combines air pillow and speaker. A general air pillow that inflates a seal
made of a synthetic resin thin film-has several one-sided parts. Meanwhile, from a mixture of
piezoelectric ceramic powder and synthetic resin. When a flexible piezoelectric thin plate is used
as a diaphragm of a speaker, it must be attached to the elastic plate because it is soft, so it is soft.
In this case, the sound pressure of the vibration is larger as the volume exclusion is larger. Thin
plate V) 9 seas /, 5 gos./ 2 is preferable to be attached to one side of the elastic plate with a
sliver. The object of the present invention is to provide a speaker for an air pillow case that
collects the music while sleeping by using the one surface portion of the air pillow to attach the
above-mentioned piezoelectric thin plate to this curved surface portion. is there. Embodiments of
the present invention will be described with reference to the drawings. The reference numeral 1
denotes a flexible piezoelectric conductive plate obtained by hot-rolling a piezoelectric ceramic
powder and a thermoplastic synthetic resin such as a consolidated Bini IJ den and heating-rolling
it into a thin plate and then providing an electrode to polarize it. J is an air pile main body made
of a synthetic resin thin film and inflated with an air inlet Jb and air, and has three one-sided
plates a in the upward direction, and these self-painting plates JLK piezoelectric conductive plate
l Stick In this case, a flexible synthetic resin is coated on top of the paper-made piezoelectric thin
plate l. Further, a power supply is connected to the piezoelectric thin film 1 [/ by a lead wire. (Not
shown) Since the present invention has such a structure, when an input is given to the
piezoelectric thin plate / from the power supply, the sound pressure of the vibration of this
piezoelectric thin plate l is generated, so that you can enjoy the sound power while sleeping. It is
a speaker for the air pillow case which served both as an air pillow and a speaker. In the above
embodiment, the piezoelectric conductive plate l is adhered to the curved surface portion-1 of the
surface of the air pillow, but even if it is adhered to the inner surface of the back side O of one
surface of the piezoelectric thin plate carrier air pillow Good.
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description, jps52103622
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