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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of the main part of the
device according to the present invention, FIG. 2 shows a partial sectional view thereof, 1 is a
front and rear volume control slide volume, 2 is a first slide lever, 3 is a volume adjustment slide
volume on the left and right, 4 is a second slide lever, 5 is a cylindrical holder, 6 is a light
emitting diode, IL 31 is an operation piece, 21.41 is a knob locking piece, 22.42 is a groove, 23.
43 is a knob locking hole, 24. 44 is a guide piece, 25 and 45 are long holes, and 51 is a groove.
Fig. 1 · · · · · 、 display 、, 4 4 deposit 41-1
DETAILED DESCRIPTION OF THE INVENTION The present invention is intended to improve the
volume display device in the present four-channel stereo. The 4-channel stereo is characterized
by the listeners' front lights, left and rear lights, and a three-channel volume that emits sound
from the four sides of the left, using a four channel channel + 1) amplifier, and balance speakers
in front and rear Adjust the volume emitted from the light and left, adjust the volume of the light
on the front speaker (forward) with the balance volume on the left and right, adjust the volume
from the front light and left speaker equally, and rear light and left speaker The listener can
listen to the optimal three-dimensional sound at a position where the sound pressure from the
sound source is low. For example, as shown in Japanese Utility Model Application Publication No.
48-52508, a device is used to braze a U-shaped sliding lever Ktlli1 capable cylindrical lamp
holder fixed to one volume knob, and display apparatus by projection by the lamp in this
cylindrical lamp holder. It is known. According to this, by moving the light projected on the
screen of the stereo reception screen to the up, down, left, and right directions, the listener can
visually recognize the balance center position of the volume at a glance it can. Because the lamp
is used as a light source regardless of the fact that the volume balance of the plane improvement
is expressed by the light spot position on the coordinates, the light spot is relatively large and
inaccurate as a display. was there. In order to compensate for this, the light collecting part of the
lens wedge is placed in front of the lamp (2), but these light emitting parts are to be locked in the
air of the intersection of two orthogonal sliding levers. Also, there is a drawback that the large
size mm is increased and the occurrence of the 5th generation such as breakage often occurs. In
addition, since the lamp generates heat, its heat radiation also had to be designed and designed.
The proposal solves all these drawbacks by using light emission P ') and displays it with a very
small number of spots c light spots and no heat generation l "· type, light k power consumption is
also small The present invention provides an economical and mass-produced apparatus by
simplifying the structure by eliminating the need for a focusing portion such as a lens.
Hereinafter, the book * will be described with reference to the embodiment drawings. Fig. 41 is a
perspective view of an Il portion of the apparatus for practicing the present embodiment, in
which 1 is a front and rear sonoelectric adjustment slide volume, and a tab (an engaging portion
21 (D groove Locked at 22 o'clock. 4 and 8 are volume adjustment volumes on the left and right
sides, and the operation piece 81 is provided at one end of the second sliding lever 4 and locked
to $ 142 of the t knob locking portion 41, and this Zo locking portion 2 [and There are five 28ν
and 48 for the knob 41 on l.
At the other ends of the sliding levers 2 and 4 of the first angle 鏑 2, 44 are provided on the
guards 24 (8), respectively, so that the first sliding lever 2 moves up and down. The guide pieces
24 and 44 are fitted to a guide body (not shown) so that the two slide levers 4 move laterally.
The sliding levers 2 and 4 are provided with long holes 25 and 45 for sliding the cylindrical
holder 5 respectively. As shown in the cross-sectional view of FIG. 2, this cylindrical Holter-5 is
provided with a groove ff 151 having a width slightly larger than the superposed plate thickness
of the first and second sliding levers 2.4. The 14 portion 51 is inserted into a space formed by
the moving levers 2 and 4 orthogonal to each other. A light emitting diode 6 is inserted and
locked in the cylindrical holder 5. As described above, although the apparatus is configured in
the book 1, if the operation piece 11 of the front and rear sound vibration adjustment slide
volume 1 is moved in the vertical direction, the first slide lever 2 is also integrated accordingly
The cylindrical holder 5 is moved by using the long hole 45 of the second slide button lever 4 as
a guide hole. On the other hand, assuming that the operation piece 81 of the left and right
volume adjustment sphere volume 8 is moved in the left and right direction, the cylindrical
holder 5 guides the long hole 25 of the first sliding lever 2 (4) at this time. Be moved as Thus, by
using a light-emitting diode as a light source, the present invention is relatively compact and
light-weight, eliminating the need for a focusing portion such as a lens, whereby the cylindrical
holder can be a single TIIA portion. Smooth movement is possible only by polymerizing the
sliding and. In addition, the present invention is a book that enables the display of an extremely
small number of spots, which is essential for this type of display device, and which realizes an
economical and mass-produced device that consumes less power and does not generate heat.