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DESCRIPTION JPS5494229

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DESCRIPTION JPS5494229
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing the operating
principle of a full drive type headphone, FIG. 2 is a plan view showing a conventional magnet,
and FIG. 3 shows a magnet used for the headphone of the present invention. FIG. 4 is a plan view
showing a diaphragm used in the present invention. FIG. 5 is a perspective view showing a back
electrode plate used in the present invention headphone. FIG. 6 is an assembled present
invention headphone. 1 is a cross-sectional view showing a magnet, 2 and 12 are diaphragms, 3
and 13 are conductors, 11 and 11. .. Are sound holes, 15 is a back electrode plate, 16, 16, 17 and
17 are cut-and-raised pieces, and 18 ° 18 is a notch.
[Detailed description of the invention] The fourth issue relates to a full drive headphone in which
almost all cities in a virtual magnetic field are vibrated by speech magnetic current. The first type
(one flat type magnet (1) consisting of a ferrite temple where the N pole and the S pole are
magnetized next to each other as shown in FIG. The main component is a concave and a 2
'shoulder vibration (2) placed in the half 11 with a slight air gap, and its operation is as follows:
Conducted conductor + 311-voice 7d & 眞 is thin 4 庇 會 self-current and magnetic flux) Fil's
magnetic flux and division 2 temporary vibration 4! Xt 2+ spreads almost uniformly over the
entire LII 11 and uniformly shakes 6 T Tu. The general shape of the magnet (1) of this samurai
headphone is browned in two sections. -Cause (Bifurcated, (4 ha 4)-· · A hole that was properly
drilled in a grid-like manner, (5 bar ω-a barber magnet (1) the stomach I formed a cut. However,
this cut 161 (51 ... 51) is provided with two outer porcelains ◆ has a defect that cracks S occur
in the case of ferrite magnets even in the face of straightness and also in terms of rigidity. . The
fourth chapter is one of the seven points in this respect, and will be described in detail below
with reference to the third factor and thereafter. 111 is provided at regular intervals of 14
uniformly, and the Mm · S pole is a surface fi magnet 8 The ferrite magnet ◆, the toughness · · ·
the above magnetic pole is not shielded d1 one six two lattice Shape (2 holed sound holes. u4 is a
fully filled bo-111, a flat sheet of a polyester film width, I-in-place movement) motion 1 ′ ′ is
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“0 steaming line“ ° ”f / g 0 method 1 deposited conductor In this case, the voice current is
supplied from the outside. If so, then the so-called voice coil and the other hand of Fleming's lefthand rule 1: do not follow the copying operation. The housing ◆ is a frame for holding the
above-mentioned vibration dJjJ, the west is a back electrode plate attached to the magnet 4 or
the above, and the back electrode plate is a magnetic material or a metal plate j1. It has a
function of back-to-back alignment that exhibits an opposite polarity to the pole magnetized 'Iion the tR surface of the magnet α ·. 1 crane star 1100 is a pair of two upset pieces different in
electric power from the center, respectively, in which the magnet 4 has 8 layers of spines, and
the cut and up piece 11 is lllil% α 73 (in a pair of inner 距喝 small - · t · the magnetic four-DOO
cast any sound hole llυI and mating portion 6 two tiger installed It'L "c foldback], a pair of false
cut-and-raised piece 1η 曝The force is planted on nine pieces of the magnet ratio flux Hl even if
the small-diameter cutting strips U <b> with the above-mentioned distance are engaged with each
other and the magnet is positioned.
Sumihiro is a notch into which a pair of long flat pieces aean with a large distance from the
center is fitted 8 and this notch-is the shoulder pole of the mugt ν 位置 決 め positioned S at
11A The outer periphery I of the frame I holding the diaphragm-so that the magnetic flux
depending on the eight poles and the conductor 1 and l 'of the diaphragm 0 cross at right angles:
shadow formation tt. Magnet 1 structure of this structure-gas, back pole l1IL9Vt! l Stand to form
a headphone t '. First of all, as shown in FIG. 4, a pair of short-circuited back-plates of a back
electrode plate is fitted into a sound hole Qυ1 of a two-section double-magt ratio four. And the
direction of the magnetic flux of 7 lame I and the direction of the magnetic flux of + 141 and the
direction of the conductor of vibration 1io to the cut-and-raised piece 劫 which protrudes a little
apart to nine pieces of magnet 4 Position and complete the assembly. As is apparent from the
above, the headphone according to the present invention can be used for positioning of the
magnet ratio of 5 m and the diaphragm with two pairs of cutting plates with a back electrode
plate and a bifurcated plate. Because you are making a cut-and-see piece in the sound hole. The
outer peripheral area of the magnet needs to be provided with an incision (the production of the
magnet is $ 11), and the fear that a crack is generated from the incision is eliminated.
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