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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of the vibrator of the
present invention, and FIG. 2 is a two-part cross-sectional side view showing an example of use
thereof. In the figure, 1... A line shaft portion 12... A transducer winding. Fig. 1 Fig. 2-61-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the improvement
of an ultrasonic transducer that generates magnetostrictive vibration by obtaining an electric
signal with a sharp sound wave. Heretofore, in this type of magnetostrictive ferrite, the
temperature has risen due to the internal loss of the vibrator itself and the peristaltic property is
lowered, and most of the vibrators are used in simple corrosion. Although it is used by being
fixed to the imaging and resonating body by an adhesive or the like, the temperature of the
vibrator may be increased to cause the adhesive to be deteriorated and to be detached from the
resonating body. For this reason, in general, for the sake of safety, forced air cooling of the
follower is performed by a fan or the like for safety, but the vibrator is not cooled as in the case
of (2). The present invention provides an ultrasonic transducer that solves this point with il +. (1)
is a vibrator made of magnetostrictive ferrite or the like, and (2) L vibration pre-winding 1IIa2 t
of this vibrator is parallel to the winding 1iIs 1 part (5) to be wound A plurality of ridges formed,
(3) ridges with ridges and grooves formed between the ridges, and (4 ore vibration radiation
surface. In the case of FIG. 2 for tilting, the vibrating mirror 1 (4) of the image pickup moving
member is adhered to the outer surface of the vibrating co-image body such as α, a spreading
horn or a vibrating plate by adhesion * 111111. The image pickup motor winding a functions to
give an electric vibration from an oscillator (shown) to the vibrator (1). Reference numeral a3
denotes a magnet holding member made of an adhesive-type sponge or the like for preventing
the drop of the magnet α 祷, and (7) denotes a motor for driving the vibrator cooling fan Q そ の
. According to the present invention, as described above, the ridge (2) along the axis is provided
in parallel to the winding shaft (5) of the imaging motor, and thereby the concave groove (3) is
automatically formed. As shown in FIG. 2, when the vibrator sound @as' 2 is wound, the recessed
groove (3) creates an air flow space between the image pickup moving shaft portion (5) and the
shutter. For this reason, the heat of the moving element is cooled by convection as shown by the
arrow, or even if the fan is forced to use (2) air cooling, the air can be conducted through the
flow space for efficient forced air cooling. . For this reason, the vibrator does not have a high
temperature, does not have imaging characteristics, and can prevent the dropout of the vibrator
from the joint body, which has various practical effects. DESCRIPTION OF THE DRAWINGS FIG. 1
is a perspective view of the present imaging moving member. FIG. 2 is a partially sectional view
of the apparatus showing its use. In the figure, il + is a vibrator, (2) is a ridge, (3) is a concave, (5)
is a winding am portion, and @ is a photographing moving roller. Agent Shino Shin-<-4 ,, + a ya 1
figure dream 22 years old 2 figure /, / II: 3 t t T プ 0 ′ '"2 hanging 1 in 1! 1Represented by
Shino Shino-Other than the above inventor Basic 15Tiff 'Maken v Base Room Ita 1 No. 1 Blind 1o
Address Mitaka Electric Co., Ltd. Name in the Gunma Works Takao / □
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