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JPS49108402

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DESCRIPTION JPS49108402
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram showing an embodiment of a
mode switching circuit in an acoustic device according to the present invention, and FIG. 2 is a
mode switching circuit in an acoustic device according to the present invention and a case in a
conventional acoustic device FIG. 6 is a characteristic diagram showing the relationship between
the frequency of the signal and the crosstalk. L, R иии и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и main amplifier% SPL, SPR-----speaker, RL ,
RR ... ... mixing resistance. L-1-3 ? 49-108402 (2) Fig. 2 Work V '760 (clB) V ? (K} -1x)-1
DETAILED DESCRIPTION OF THE INVENTION In this invention, for example, in tmmitt 2 such as
stereo P @ ? reflector, crosstalk (channel separation) between left and right channels at the time
of transmission of stereo signal is altered. The present invention relates to a switch-switching
circuit in a battery pack. -In t11% k such as a preamplifier for stereo on a pattern, when
transmitting the next stage amplifier 1 '-signal from the output side of the equalizer amplifier 62,
the E number is transmitted via a mixing resistor (this is In order to make the ? / -9II / Shin 41)
by mixing my issue of left / right ? 1- yan), but at this time, in the case of the transmission of
seven nora ? signals there is no delay, or the transmission of stereo signals Sometimes, a single
bypass foil is formed by the mixing resistance and the stray capacitance existing in the circuit to
be installed next. For this reason, in a region where the percentage of pigeons # is high, the
characteristic a in Fig. 2 is dibasic as shown in Fig. 2, and the crosstalk of the channel is a cause
of stratification of IJ and channel separation. In addition, at the time of transmission of stereo @
return, when the resistance is inserted, the impedance is high, Nari, missing! Deterioration of the
characteristics at the time of stereo is also caused by the fact that the number of amps is
increased, the historical rate is increased, and so on. In addition, when the next-stage amplifier is
configured with a tonudice, the amplifier ? input impedance by the normal transistor is low, and
as described above, the insertion C of the ni-mixing resistor C2 iJ ? and the input impedance of
the next-stage amplifier are maintained. There is a disadvantage that it has to be done, and 1g2
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accounting is also troublesome. = 2-This device is regarded as the above-mentioned point, and a
mode changeover switch is intervened in the signal transmission path, and only when
transmitting the "" signal to the tonera from the switching operation 6 2 of this mode changeover
switch / Y switching resistance is inserted in the signal transmission path (pre-stage amplifier
and next-stage amplifier dark), and when transmitting other mode C signals such as stereo signal2 To improve the cross darkness of the channel dark and decrease the noise of the second sound,
further to prevent the stratification of the second insect rate, and thus to improve the stereo
characteristics. The present invention provides a mode switching circuit in a bamboo basket.
Next-Two,-&-Examples of this invention-Explained in two degrees. "If the figure is a mode
switching circuit diagram of this # scheme,-L in factor 6 is the input terminal on the right
channel side There are six to be connected in proportion to the power of an 11IIR amplifier such
as an equalizer not shown.
Also, R receives an input terminal on the right channel side, and as with the above, it is 6 in order
to be Wc on the output 3-side of an 111-stage amplifier such as an equalizer. On the other hand,
reference symbols S and-+ 84 denote mode changeover switches, respectively, and these mode
changeover switches 8 ? -8. Is linked to the FL, and each is 1! + Terminal i and fixed terminal 1
░ 4. m. r и и has -1. 1Iil] Foot terminal 1 is the signal of the left channel ?? When transmitting
1K stage (main) amplification signal of channel ? 2 connected, fixed terminal r is the signal of
right channel for both channels M The second stage (main) amplifier 6 is connected when
transmitting two signals. In addition, the fixed one is connected at the time of transmission of the
mono-9 to ?, the fixed terminal re is the signal of the left channel to the next stage (main)
amplifier of the right channel N, and the right channel is the signal left channel Next I! Transmit
to R (main) amplifier. If you turn the channel upside down, it's also suspicious (it's called reverse).
Furthermore, the ilv constant terminal 8t is connected at the time of transmission of a stereo
signal. -Fixed terminal 1 of mode change switch S1, wa, at and mode change switch 8.. 7
terminals] ?, r? are connected in series to the input terminal LC. On the other hand, the input
terminal I has one switch r and re of the mode changeover switch 8 ? and a seven-way
changeover switch 8. Fixed terminals 1 ? ?, III, 1 ltl two respectively! # Continued. The
movable terminal a of the mode switch 88 is a switch of the mode switch 8. + AJg ?, Miki V ung
mortgage tLRx to the child a. * Continued to be through, and also with ? 2, this mode change
switch 8, the m terminal a of the mode change switch S, FiA 5 i! Terminal 1, +7, re, stc are
connected. Make the mode change switch 8. The movable insulator a of the mode selector switch
8. And the mode selector switch 8. The terminal terminal turtle of the fixed mode switch 84 "?
? j! Terminal 1. r, re, st + 2 are connected. First base switch 8. ??? The fixed terminals m of
are connected in unison. Then, the both-walls switch switch S and the terminal 11 of the lodgings
are respectively connected to the left channel 6-y next to the left main channel 6-y through the
main amplifier L of the speaker 8 PL! And connected via the next stage (main) Ambum R:
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Next, in the mode switching circuit 6 of this invention configured as described above, each
terminal a of each mode switching switch 8 ? -8 ░ is fixed terminal 17 W! If it continues, the
signal of the left channel ?? introduced to the input terminal LC is 1Iiil'ii! Terminal l-movable
terminal a-mode switch 8. The fixed terminal 1-R is sent to the speaker 8PL through the J
terminal 'a'-next stage (main) amplifier AL, and a signal is generated from the speaker 8PL.
Uniformly, the input terminal number: the signal introduced is the fixed terminal of the moat
changeover switch S, the adjustable terminal a, the m terminal a, and the mode changeover
switch S4 1 i! The signal is sent to the speaker 8P1 via the terminal 1-motor one thousandth-next
stage (main) amplifier R, and a voice is generated from this speech j 18PR. That is, when the
terminal a of each of the switch switches 8 ? to 84 is connected to the fixed terminal I, it is sent
to the left channel signal only or to the speaker of the channel v = 6 to 8 PL, 8 PH It is bound.
Next, the movable terminals a of the mode changeover switches 81 to 84 are respectively
switched to the fixed terminals rl! # If this is the case, then the input signal m1: The signal
introduced is the mode switch 8. 1IS 1 foot terminal r-massaging terminal a-mode switching
switch 84 1 foot terminal r-flexible terminal turtle-next stage (main) amplifier R via speaker
8PR4; transmitted together with mode switching switch S ? Self-legged terminal r-machikuka
terminal a-mode-commuting switch 8. Is transmitted to x-hi-jspr via a fixed terminal r-town Spole a-next-stage (main) ampum L, and only the signal of the right channel y is generated from
the subchannel 118PL of the gang channel ?. . Each movable terminal a of the next-secondary
switch switching switch 8X-w 84 is fixed M-! -Then, when the input terminal L6 is exclusively
used, the mode selector switch S, -'R1 terminal-one terminal a-Miki V capacitor tLRL-mode switch
S, the possible wJ terminal a-next stage (Main) amplifier ALtt ? spy: sent to II Apt, with C2 and
mode switch 8. It is also sent out to the speaker 8PL via the fixed terminal ? -dough force
changeover switch S4 of the fixed terminal ? -town movement terminal a-next stage (main)
amplifier R. The signal introduced to the input terminal R is a direction selector switch 5i! ?, ?,
?? ? a a a ? ? RR ?? mode switch S4 RJ ? terminal a-next stage (main) amp R through the
stream * 5 pxt 2 sent out with 6 two, also Definition of mode changeover switch S, fixed terminal
m-possible terminal of mode changeover switch 8 m-possible terminal a-next attack (main)
Amum L to be sent to the speaker 81 L via the l,
8PL of 18PR also generates sound. ???????????? Switches 81 to 8.0 When each
movable terminal a is connected to a single-leg terminal, respectively, the input terminal serves
as an input terminal, and the signal introduced by R1 is a main resistor through a capacitor
resistor RL, RR, and a main amplifier ?, a ni Two signals are sent out, and a ? power confidence
of 1 is generated as a so-called mono-9? signal which is squeezed from the Sbee j SPL, 8PR, and
1. Next, the mode changeover switch 8. When each movable terminal 6-a of ~ 84 is switched to
the fixed terminal r иии Wj, the bias introduced into the input terminal Ll is the mode switching
switch 8. The fixed terminal-child re-The movable terminal turtle-The fixed terminal re-J of the
switch switching switch S4 is sent to the spy force SPR via the next stage (main) amplifier R. On
the other hand, the fixed terminal re-one-one-terminal a-mode changeover switch of the signal
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shift switch 81 introduced with the input levelizer ill2. The speaker 8PRC is sent out via the fixed
terminal r иии s ? ? ? ?-next stage (main) amplifier L. That is, in this case, when the input signal
of the left channel is sent out by the speaker 8PR1 of the right channel, the signal of the right
channel ? is sent out by the speaker 8PL1 of the left channel. Switch 8. When each movable
terminal a of ~ to S is connected to the fixed terminal Bt, the stereo signal of the left channel ?
introduced by the input terminal LL is the fixed terminal sz-tXJ moving terminal a- mode of the
seven-way selector switch 81 The fixed terminal 8t of the change-over switch S, the movable
terminal a, and the fixed terminal (a) are sent to Subi to --1I8PL via the main stage amplifier AL.
Similarly, (2) the input signal aI: the stereo signal of the right channel made by 4 members is one
terminal of the t switch terminal and the fixed terminal st of the one-mode terminal a of the mode
switch 84 the st terminal of the mode switch 84. a-Next stage (main) through the R-Ambum R 4
speaker 8P1t1 2 4 transmission, that is, the transmission of this stereo signal #-two, the input
signal to the left and right channels is the mikining resistance RL. The next stage (main) ampum
L of each meeting channel without passing RR, and RkM and speaker spb. 11pRi will be sent out
two. As is apparent from the above description, when ? -r is a wall-no-ps / period as seen from
the above explanation, the input signal of a ? ? ? ? ? channel is supplied to the next stage
amplifier AL, ^ RI = via the mixing resistor-rmu + and vxm. In the case of non-Mono ? V (Sterem
t, reverse re, s и и и), the next stage Ampum L, M2 R1 is sent without passing through the mixing
mortgagee RL, RR.
Therefore, in the case of modes other than the seven no-n-a-finch, the function of M.I. V.
resistance R.sub.L, 11 C is intervened C: The effect of I-pass filter I is sharply reduced, as shown
in the characteristics of FIG. The cross daughters in the Akabito region are significantly altered.
In addition, in transmission # # 2 such as Vt signal etc., since the mixing resistors RL and RR are
not inserted as described above, the impedance becomes low, and therefore, the influence by
noise noise such as hum The second-stage (main) amplifier can be driven with low human-power
impedance, as well as having a good quality regenerative neck. As described above, according to
this consideration, the signal transmission path 6 two-mode I 7 I switch is interposed, and the
switching resistance of the mixing resistor is transmitted only at the time of transmission of the 7
nora p signal from the switching operation 6 2 of this 7-way switch Since there are 6 routes to be
inserted through the route, and 6 channels to send a signal such as 7 nora to signal transfer etc.
2 when using the mode I / l conversion switch to make the mixing resistance f f1, At the time of
transmission of the standby C bi-stereo signal, the crosstalk (channel sevary y ? y) is improved,
and since the mixing resistance is not interposed, the circuit has a low impedance and the fLI ?
There is less influence of at such as ham, etc., and it is possible to obtain a high quality lukewarm
sound-11-. In addition, the low impedance of the circuit allows the next-stage amplifier to
propagate at a low input impedance, which disfavors the input, the T ratio of two pairs, and is
favorable for design, etc. The effect of A detailed description of the 41-way schematic diagram is
a schematic diagram of the 6th row of the shade switching circuit in the attack of this invention,
taken along 414, and FIG. 1 is a circuit diagram of the soda system of this invention. It is a
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characteristic view showing the relation between and I1 wave 2 cross talk of the conventional
gold metal and the base metal in 6 -2. L, R-и и и Input-child, Tsuru ~ 84 и и $ mode change switch,
memory LI-R-?-main loop, IPL. 8PB--, X-force, RL, 11m-881 resistance. Utility model registration
applicant Nippon Shu S-Sho Co., Ltd. Agent 5FlIl ▒ sum al rumor = iR-1st P1! ?? ????
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1frc; '4 scale 5th order RR: 1-----J-1 to 827' 1. "-" 211g 19 ? 2 m ? "" ? ? ? 2 2 2 1 1 1 1 1 1
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Nakazawa 1 vvev addict Mr. Naru large ? ^ ??
Is it IPt? -? 1111 I Shizuoka-based staff member Nakazawa ? 11 addiction 11 & I ?-1 IIII
Shizuoka ? machine blindness Sinosawa ? ma number ? addiction ^ ? m ?
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