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JPS5346835

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JPS5346835
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an example of a
conventional channel divider device, FIG. 2 is a block diagram showing one embodiment of a
channel divider device according to the present invention, and FIG. 3 is FIG. HPFl, HPF2 ... High
pass teardropper, LPF, LPF 2 ... Low pass F wave unit, SWA ~ SWE иииииииииии LEDA , LED B: light
emitting element, OH: high frequency output terminal, OM: middle frequency output terminal,
OL: low frequency output terminal.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a channel divider
apparatus for dividing an input signal into a required channel by means of a PIN device. The
configuration of a conventional apparatus of this type is shown in FIG. 1 and described. In the
figure, IN is an input terminal to which an input signal is applied, A is a full band amplifier 11 for
amplifying the input signal, and On is a high band channel. An output terminal (hereinafter
referred to as a high frequency output terminal), OM is an output terminal of a mid range
channel (hereinafter referred to as a middle plant output terminal), an OL is an output terminal of
a low frequency channel (hereinafter referred to as a low frequency output terminal Is called).
HFF, HFF, the first and second Tonnzuka passage ? wavers, LPF, LPF. Denotes the first and
second low pass V wavers. The output terminal of the amplifier is connected to the high
frequency output terminal 011 via the first high pass Pi unit HPF, and the second high pass P
frequency unit HPF and the first low pass F # unit LPF. . Are connected to the midrange output
terminal OM, and to the lowband output terminal OL via the second lowpass MP number unit
LPF. ???????? Are a second high-passage filtrate part fiPF, and a first low-pass or wave
filter LPF, tl-a swin + ?2-ch for shorting each as required. In the device configured as described
above, the input signal applied to the input terminal IN is amplified by the full band amplifier NA,
the output thereof is separated and extracted by the p wave devices, and the output terminals
O11 l, OM, OL The output signal of each required high-pass, mid-pass, and low-pass channel is
obtained in. That is, first, in the case of 3 ways (Way), the switches S, S are opened, and the high
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frequency, middle frequency, and low frequency output terminals 011. A 3-way output signal is
obtained, with OM and Ot respectively having first and second crossover frequencies. Next, in the
case of the first two-way having the first crossover frequency, by closing the switch S1, it is
possible to obtain the required two-way output signal for each of the high- and mid-range power
terminals OH and Osi. , And in the case of a second two way with a second crossover frequency,
the switch 8. By closing, the required two-way output signals can be obtained at each of the
middle low and low band output terminals OM and OL. Thus, the input 3-I \ signal of the entire
band can be separated according to the frequency, and the required channel output can be
obtained at each of the high band, mid band and low machine output terminals OR, OM and OL.
However, such a device has the disadvantage that it is not possible to select and retrieve one out
of the three way output and the first two way output and the second two way output, and Since
the output terminals are different between the 1-way 2-way output and the 2-way 2-way output,
the connection of the external cable terminal must be changed each time, which is inconvenient.
On the other hand, it is required to indicate an operator associated with the selected output in
order to facilitate the operation of channel separation. However, such devices can not meet these
requirements. In view of the above, the present invention has been made to solve such problems.
A switch for switching the output of the high-pass Oki wave device and the low-pass MF
temporary device, and an indicator light in conjunction with this switch A switch for switching, a
3-way output having first and second crossover frequency 4-wave numbers, a first 2-way output
having the first crossover frequency, and a third having the second crossover frequency In order
to be able to select one of the two two-way outputs and to indicate an operator associated with
the selected output and setting the cut-off frequency of the high and low pass F-waves It was
constructed in Hereinafter, the present invention will be described in detail based on the
drawings. FIG. 2 is an elliptical view showing an embodiment of a channel divider apparatus
according to the present invention. In FIG. 2, the same reference numerals as those in FIG. 1
indicate the corresponding parts. ???? 8Wm, 8Wc, 8WD, 8WE are interlockingly operated
switches, and switches SW-8WD are associated with each r-wave device, 3-way output with first
and second crossover frequency, first crossover The ability to select one output out of the first
two way output with frequency and the second two way output with second crossover frequency,
and high frequency three way output. Mid-range and low-range output terminals OR, OM, OL 51-1 function, crane 1 2-way output and second 2-way output as high-range and low-range output
terminals 011, It combines with the features you get from OL. In addition, the switch swtH has a
function for instructing the operation related to the selected output. ???? CA, OA is the first
one. The 21st channel amplifier has its inputs connected to switches 8WB and 8WC, respectively.
It is connected to the movable terminal of 8Wo, and the output end is connected to each of the
high band, middle band and low band output terminals 011.0M and OL. Also, the movable
terminal of the switch 8W is connected to the input end of the first low pass F wave filter LPF,
and the fixed terminal a is connected to the fixed terminal C of the switch 8WB and the second
high pass r wave The fixed terminal of the switch 8WA is connected to the output end of the full
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band amplifier A. The fixed terminal C of the switch 8W ^ is a vacant terminal in this
embodiment.
The fixed terminal a of the 2 inch 8Wn is connected to the fixed terminal and connected to the
output end of the first high pass p wave device UPF. The fixed path a of the 6-switch 8WC is
connected to the fixed terminal of the switch 8Wn and connected to the output end of the first
low pass p-wave filter LPF. The fixed terminal c of the switch 8WC is an empty terminal in this
embodiment. The turn terminal a of the switch 8WD is connected to the fixed terminal C and also
connected to the output end of the second low pass low pass filter LPF. When the movable
terminal of the switch 8WA is connected to the fixed terminal a side, the second high pass P
wave device HPF and the first low pass P wave device LPF are connected in series, These
constitute a band pass Fff. On the other hand, the movable terminal of the switch 8Wx is
connected to the positive electrode side of the power source E with the negative electrode M
grounded, the fixed terminal a is a resistor R, and a series circuit of a diode D1 and a light
emitting element LED for display and a diode D The fixed terminal is connected to the connection
point between the diode D and the light emitting element LEDm via the resistor R2, and the fixed
terminal C is connected to the resistance terminal via the series circuit with the display light
emitter LEI) +. It is connected to the connection point of the diode D and the light emitting
element 7-EDA via the same. In this embodiment, the light emitting element is used as the display
circuit. However, the display circuit is not limited to the light emitting element, and a general
indicator light can be used. The light emitting element LEII for display is a cut-off frequency
setting operator and a first high pass filter HPF for setting the first crossover frequency (not
shown). And the display light emitting element LED is cut off of a second low pass F wave filter
(not shown) for setting a second crossover frequency. The cutoff frequency setting manipulators
of the frequency setting manipulator and the second high-pass F wave device HPF are
respectively instructed. FIG. 3 illustrates the operation of FIG. 2, and the channel station wave
number characteristic diagram contains water, (a) shows a 3-way case, and a mountain shows the
first 2-way case ( CI represents the case of the second two-way. In FIG. 3 (al, (b), (0), (fu) is the
output signal of the 18th high pass reactant liquid @ HPF and the output of the first low pass
filter LPF. The crossover frequency with the signal is shown, and (fL) is the second high pass Oki
waver 11PF.
And the crossover frequency of the output signal of the second low pass F wave device LPk '.
Then, the crossover frequencies (fm) and (fL) are set to be f + and (fn). Further, the crossover
frequency setting is configured to be able to be set to a predetermined crossover frequency by
the operation of an unillustrated operating element (knob) as described above, and an operating
element for setting a cutoff frequency is indicated by the indicator light. Is configured as. Next,
the operation of the embodiment shown in FIG. 2 will be described with reference to FIG. First, in
the 3-way case, the movable terminals of the switches 8W to 8WD are respectively connected to
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the fixed terminal a side, so the input signal applied to the input terminal IN is amplified by the
full band amplifier A and then each It is separated into each channel through p wave device. That
is, the high-frequency signal Ml (jH is the first high-pass F wave generator HPF, the fixed terminal
a of the-switch 8Wm9-the first channel amplifier C-m, the signal of the high-frequency output
terminal On middle frequency MID is the second high pass P wave JIFF, the fixed terminal a of
the switch 8 W, the first low pass filter LPF 1 the fixed terminal of the switch 8 WC, the second
channel amplifier CA, the mid band The output terminal OM low frequency signal LOW is the
second low pass reactor liquid crystal LPF,-switch 8W. Fixed terminal a-third channel amplifier
OA,-low pass output terminal Ot. As shown in FIG. 3 (a), the input signals of the entire band
through each path of the high band H (HiGH) and the mid band M (MID). It is divided into 3
channels of low range L (LOW), and the high range. Output signals of the required number of
cylinders fI of 3 ways are obtained at each of the middle-range and low-range output terminals
Oa, OM, OL. Finally, in the case of the first two ways, the movable terminals of the switches SWA
to 8WD are connected to the fixed terminal b @, and the high frequency signal n1on is the first
high pass F wave unit Hf'F,- Switch 8 Wm10-fixed-first first channel amplifier OA,-high-frequency
output ladder On mid-frequency signal MID (LLJW) is the fixed terminal of switch 8 W-first lowpass furnace solution LPF , The fixed terminal b of the switch 8WD, the third channel amplifier
CA3, and the low band output terminal L. The input signals of all the bands through each path
are, as shown in FIG. (The two channels of L1 are separated, and the high and low frequency
output terminals 011. Each output signal of desired frequency of 2 ways is obtained in OL. Next,
in the case of the second two-way, the movable terminals of the switches 8WA to 8WD are
connected to the fixed terminal C side, and the mid-frequency signal MID (HIGH) is the second
high-pass offshore wave device) IPF, -Fixed terminal C of switch 8Wm-First channel amplifier
OA,-High frequency output terminal On signal LOW of low frequency is second low pass r wave
LPF, fixed terminal C of switch 8 WD 11--Third Channel amplifier CA and the low band output
terminal OL, the input signals of the entire band are separated into two channels in the low band
M @@ and the low band M @ 2 as shown in FIG. As in the two-way two-way output, the output
terminals 1 and 2 of the required frequency of the two-way are obtained at the respective output
terminals OR and (in JL, respectively).
Thus, the first two-way output and the second two-way output can be taken out from the same
output terminal. On the other hand, the switch 8Wi interlocks with each of the switches 8Vi to
8Wa, and the movable terminals are sequentially connected to one fixed terminals a, b and c,
respectively. First, in the case of a 3-way switch in which the movable terminal of the switch 8Wz
is connected to the fixed terminal a, the second low-pass F-wave filter LPF has its second cut-off
frequency Ilk setting operator (knob) and the second High-pass F wave HPF, low-pass cutoff
frequency setting manipulator, first low-pass overpass F-wave LPF, 0) high-pass cutoff frequency
setting manipulator and first high-pass F wave The low-pass la # h station wave number setting
user's self-12-manipulator of the device HPF is moved. Accordingly, the light emitting elements
LED and LEDB light up. Next, in the case of the first two-way connection in which the movable
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terminal of the switch SWE is connected to the fixed terminal, the high-frequency cutoff
frequency setting operator of the first low-pass Oki wave filter LPF and the first The low cut-off
frequency setting operator of the high excess P wave device LIPF is moved, and the light emitting
element LEDB is turned on. Further, in the case of the second two way in which the movable
terminal of the switch 8WE is connected to the fixed terminal C, the second low pass filter LPF,
the high cut-off frequency setting operator and the second high The low cut-off frequency setting
operator of the ? passage F wave HPF is moved and the light emitting element LED is lit. Thus,
when one of the three-way, first two-way and second two-way outputs is selected, an operator
(knob) for cut-off frequency setting associated with the selected output can be indicated. it can.
As apparent from the above description, according to the present invention, a simple
configuration without using complicated means, 13-- outputs one of the three-way output and
the first and second two-way outputs. In addition to being able to select and retrieve, it is
possible to indicate an operating element for setting the switching frequency related to the
selected output, and the operation can be performed easily and reliably, so that practical effects
can be obtained. Is very large. In addition, a 3-way output can be obtained from each of the high
frequency, middle frequency and low frequency output terminals, and the first and second 2-way
outputs can be obtained from the same high frequency and low frequency output terminals. , It is
also extremely effective in that it is not necessary to change the connection of the external cable
terminal.
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