JPS4851303

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DESCRIPTION JPS4851303
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an electrical circuit diagram of one
embodiment of a four-channel stereo volume display circuit according to the present invention.
1-4 ...... display unit, 5,6 ...... power supply terminal, L11〜I41, Tsu variable resistor. Through
"3CH3, =! =−===−,1ノ−7−
DETAILED DESCRIPTION OF THE INVENTION The present invention is a reference channel
stereo volume display circuit K (1) /-m-one ------4--. '11303-(according to 12, provides a
reference channel volume display circuit configured to display so as to visually recognize the
difference in volume of each channel with the indicator light such as a lamp or the like by the
difference in light quantity or the hue difference The purpose is An embodiment of the circuit
according to the invention will now be described with reference to the drawings. The figure
shows an electrical circuit diagram of one embodiment of the q-channel stereo volume display
circuit according to the invention. In the figure, symbols l to da denote display portions on which
lamp display is performed in correspondence with the signal amount of the first channel to the
reference channel, respectively. Each display section l-4! Are respectively constituted by two
display lamps Lll, L □ and L □, L □ and Lyo, L4I and so on. VR, ii A variable resistor linked to a
variable resistor (not shown) for adjusting the volume of the left and right direction C, that is, the
eleventh channel and #iJ, the direction between the first channels). Both terminals αhb of the
variable resistor V ^ are respectively connected to the lamp LIts ′ x 4 ss k and the connection
point between the lamp L □ connected to the lamp 1 m and the lamp 41 connected to the
lamp TJ0 turns on the lamp It is connected to the power supply terminal j which supplies
sufficient power. Also, the slider C8 of (, 2) 4R-t, 11nff-11'1 variable resistor VB is grounded and
the O bird is in the front-rear direction (ie, between the 71st channel and the first and third
channels) Variable resistor (not shown) for adjusting the volume of the direction). Variable
resistor VR, both terminals α1, h! Are connected to the lamp L and Iit +, respectively, and the
connection point between the lamp 'xJsI connected to the lamp Ll + and the lamp L □ and the
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connection point between the lamp L41 and the nine lamps L41 supplies power sufficient to
light the lamp Connected to six. The slider c, t'i of the variable resistor VB is grounded. If the
slider C1 of the variable resistor VB is slid closer to one terminal than the middle point of the
variable resistor VB, the resistance R between the slider q and the terminal 8 becomes the slider
C1 and As the resistance becomes smaller than the resistance R1 between the terminals α1, the
volume of the signals of the third channel and the third channel is increased by the variable
resistor linked to the variable resistor VB, and the lamp L4. The current flowing through the L
process is larger than the current flowing through the lamp L and Llt, and the amount of light
emitted from the lamp L and the lamp Lm increases as the lamp 11m'1zt *. When the slider C3 is
slid close to the other terminal area, the signals of the first and first channels (J) AnC1 n-nJ, 2
exposure-2.
Of the lamp L1 and the current flowing through the lamp L11 are larger than the current flowing
through the lamp L4 t and the lamp pst, and the lamp L1! Lll is the amount of light emitted from
the lamp "at, 14 m." When the slider C1 of the variable resistor VB is positioned at the middle
point, R and MP become, and the light quantity of the lamp L, and the light quantity of the lamp
L, 41 become equal. The same applies to the resistor VB. That is, in the case of sliding the slider
C1 of the variable resistor VR closer to one of the terminals α than its middle point, in the next
case, the resistance R8 between the slider C1 and the terminal α8 is between the slider C8 and
the terminal Therefore, the volume of the signals of the first channel and the third channel is
increased, and the current flowing through lamp-1 and L □ flows through lamp H1L4 +. 3. は
ランプL11%xJ、。 The amount of light increases more. Also, the slider c is connected to
the other terminal. When sliding is made close to this, the volume of the signal of the second and
third channels increases, and R1> R4 holds, so the current flowing through the lamps l141 and lll
flows through the lamps L and And the lamp II! 1, L41 V1 run-""-"-"-"" 'j "II% TJ □ light intensity
is increased. Variable resistor VR. When the slider C7 is positioned at the middle point, R, −R,
and the light amount of the lamp L1 LH and the light amount of the rung XI □% L4 + become
equal. As described above, by separately setting variable resistors vRr and VR2 to III ', the light
amount of each lamp is changed, and in each display portion l-gi, the lamp L11 is used,
respectively,, LSI and "t' L" 21 ′ ′ hLaw (D ′ ′ It, jl E (i lof * 'lt, ** ゝ 1) is performed.
'Therefore, the listener can perform the volume adjustment for the desired channel by the sliding
of the slider of the variable resistor to the desired channel very easily and surely by monitoring
the difference of the light quantity of the display unit 1 to the da. . In the above embodiment, the
light emission display of the volume difference of each channel along with the sound volume 11
is configured to be performed by the difference of the light amount, but the present invention is
not limited to this. It may be configured to do by difference 1.1. As described above, according to
the present invention channel stereo, 8 o volume display circuit, the difference between the
volume of @ / channel to the reference channel and the volume of the channel is the difference
of the light intensity of the lamp, the difference of the hue, etc. Since the light emission display is
performed by this, the balance adjustment of the volume of each channel can be performed while
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visually confirming, and the volume adjustment operation can be easily performed, and also has a
design effect appealing to the vision, and Since the light emission difference can be given to each
display portion by the variable resistor, the circuit can be simplified and can be configured
inexpensively.
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