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DESCRIPTION JPS5157631

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DESCRIPTION JPS5157631
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a conventional
condenser microphone, and FIG. 2 is a longitudinal sectional view of one embodiment of the
present invention. No. 9, ..... Diaphragm frame, 10.11 ..... Hole. Fig. 1 Fig. 2-83, No. 51-57631 (2)
?Detailed description of the invention?-+, Name of the invention Name of the device for the
condenser microphone l New invention tatami brass Radius range Attach the diaphragm with the
distance of the rear pole of the range back pole ? In the case of a circular condenser
microphone, the outer peripheral portion is blown out and bulging outward to make a dish shape
on the front surface of the diaphragm, and a plurality of holes are formed in the bulging portion
to provide a plate frame. A condenser microphone characterized in that the diaphragm is adhered
to the outer peripheral portion of a crucible diaphragm. The invention relates to an improvement
of a condenser microphone ossb @ brazing-minute. The conventional condenser microphone
structure will be described with reference to ? 1gK. 1 is a case in which the cross section is Ushaped and the end 1111a is crimped inward at the final stage of the Jomon, and 2 is drilled in
the front of the case 1 In the inside of the case 1, a diaphragm 4 whose outer peripheral portion
is falsely attached to a part of the annular diaphragm frame (1) 5 has the 11IIIIIi frame 3 side
positioned outward. It has been fitted. A back electrode 6 having a T-shaped cross section is
attached to the back of the diaphragm 4 via an annular spacer 5. Reference numeral 7 denotes a
hole for air flow which is drilled in the back electrode 6, and 8 denotes a frame for supporting
the back electrode 6. In the conventional condenser microphone of such a structure, the welding
operation between the vibration 11 and the diaphragm frame 5 causes a rounding deformation
in which the mm * rod S is thin and small, and the vibration is strained by this. In the point of
wearing the plate 4f *, the skill is folded, and there is a drawback that the rear plate 4KL, and the
occurrence of slack may occur, and the case 1 and the diaphragm frame 6 are separate members.
There is a problem in stabilizing the frequency characteristics in which the volume of the
chamber to which this partial molecule tcs is influenced is influenced. This invention is the book
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which solved such a fault and a problem. Hereinafter, one practical example of the present
invention will be described with reference to FIG. 2 (2). In this case, the case 1 'is open at the
front and has a hole 10 in the back. As shown in the figure from the opening in the front of the
frame 8, the back pole 6, the spacer 5, and the diaphragm 4 and the vibration plate frame 9 to be
described later are loaded. After filling, crimp all the inside of the front edge of the case.
Reference numeral 11 denotes a hole formed in the diaphragm frame 9. The ms plate frame 9 is
formed into a protuberance-like shape by squeezing the outer periphery S and bulging outward
as shown in the drawing, which is more likely due to lR second processing or half punching.
Then, the @ moving plate 41 is attached to the diaphragm frame 9 by force, and then it is loaded
into the case 1 'as described above.
The microphone configured in this way can be bonded without causing deformation K << and
thus vibration-114t-L and the like because the diaphragm frame 9 is dish-like, and thus made! #
Birds and large and small spots occur in terms of product uniformity. Furthermore, since it is
easy to make the chamber volume * gr of the diaphragm 4 constant, it is possible to obtain a
product stable in frequency and frequency. When the case 1 'is crimped on the front side, it can
be reduced to a size equivalent to 10 holes which is superimposed on the back, and an effect of
making the effect of electrostatic charge large can be achieved. tS plane a pigeon single esc ming
1E151 is a longitudinal section #Im of a conventional condenser microphone. The second sI is a
longitudinal sectional view of an embodiment of the present invention. 1'... Case 4 - - shooting
first plate 6 ... backplate 9 ... vibration - plate frame IQ, I + иии hole utility model registration
applicant Japan piezoelectric CO., LTD. 1 ? ? 4 clerks patent attorney ? good padded core
'(other 5 people) (4) Fang 1 figure 423? 2 Fig. 1411 и 57,631 Agent ? Yumi ? ? ??? Agent
image layer Tokyo ? Chiyoda ward Kanda Achikawadai 1 6 principal @ e friend j и t, T = Name
("8 ? 1 ? ? ? и и Yama name (75iS 01 Oginonaka 1; 1 (? name (7777) Maki Tetsubu,
1
dedication и su) procedure correction book Showa 4si et al. 24 January! l1I-Director General of
the government-1 case 11 display of the case 1 s practical use m No. 181 838 2nd name of the
plan 2 coy def t%-Myta ? phone 3 correction person и relationship with the matter ? Ml ?Name
m ? ? Brass ? Address ? Kyoto 3 m Blind ? lll 1 Book No. 11 Name Japan Piezoelectric Gas
Type Company Representative Kohei Sato 4 Agent Housing 1 Ni Weight и Department I H Ward
God 11% H dai 1 y ++ i, l) Friend и и и No 1 tl Q '-11 Name (6271) Li IV beauty-3 ? и 8 ? l II l
Showa Year month mouth "Ysu saga" 6 extract 11 subject light-book 01l Ijlftk ?RecordingRequest O--
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