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JPS5555700

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DESCRIPTION JPS5555700
Description 1, title of the invention
Acoustic device
3. Detailed Description of the Invention In the present invention, a tuner unit incorporating a
stereo tuner and a tape recorder unit incorporating a stereo tape recorder are configured in
separate cabinets, and an amplifier and a speaker are provided in each cabinet to provide
individual devices. The invention also relates to an acoustic device which can be used as well as
electrically or electromechanically coupled to each other to enable optimum use according to the
application. An embodiment of the present invention will be described below with reference to
the drawings. In the figure, reference numeral 1 denotes a tuner unit and 2 denotes a tape
recorder unit, which are constituted by separate cabinets. And EndPage: 13 for each cabinet. As
shown in FIGS. 3a and 3b and 4a and 4b, means for mechanically coupling the two are provided.
That is, as shown in FIGS. 3 (a) and 3 (b), the upper part of each cabinet (the position shown by a
in FIG. A sliding piece 4 urged by and held by the guide 5 and a button 6 fixed to the sliding
piece 4 and having an upper end projecting on the upper surface of the cabinet are provided. A
flexible member 7 having a claw 7a engaged with the through hole 4a of the sliding piece 4 and
a flexible member 7 fixed to the flexible member 7 and having an upper end projecting on the
upper surface of the cabinet are provided. -In the lower part of each cabinet (the position shown
by b in FIG. 2), a protruding piece 9 having a long hole 9a is shown in FIG. 4 (?, as shown in (b)
of FIG. 2). On the other hand, the cabinet of the tape recorder unit 2 is provided with a projecting
piece 10 having a projection 10a engaged with the long hole 9a. Therefore, by bringing the tuner
unit 1 and the tape recorder unit 2 close to each other and shifting them in the front-rear
direction, the projecting pieces 9 and 10 are engaged with each other, and the sliding piece 4
and the flexible member are brought into pressure contact with each other. 7 can be engaged,
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and with this simple operation, both can be mechanically coupled as shown in FIG. Of course,
when the two are separated, the button 8 is pushed to release the engagement between the
flexible member 7 and the sliding piece 4 and the two can be separated again as shown in FIG. 1
by the reverse operation. . FIG. 6 shows the circuit configuration of the channel unit 1 and the
tape recorder unit 2. 11 is a stereo tuner, 12 is a stereo transmitter, 13 is a control circuit, 14 is
a first amplifier, 16 is a speaker, 16 is a stereo tape recorder, 17 is a monaural transmission unit,
18 is a stereo reception unit, 19 is a control circuit, 20 is a second amplifier, and 21 is a speaker.
Although not shown, a power supply is incorporated in each of the tuner unit 1 and the tape
recorder unit 2. Next, a specific method of using this embodiment will be described. First, when
the tuner unit 1 and the tape recorder unit 2 are used independently, in the tape recorder unit 2,
the L signal R signal which is the reproduction output of the cassette tape recorder 16 is mixed
by the control circuit 19 and the amplifier 20 is used as a monaural signal. And the speaker 21 is
driven to become a sound wave. On the other hand, in the chaining unit 1, the control circuit 13
mixes the L signal R signal as the reproduction output of the stereo tuner 11, leads it to the
amplifier 14 as a monaural signal, and drives the speaker 15 to become a sound wave. Next, in
the case of stereo reproduction of a tape, the control circuit 19 guides the L signal to the
amplifier 20 and the R signal to the monaural transmitter 17 by the control circuit 19. The L
signal is further radiated as a sound wave through the speaker 21, and the R signal is guided as a
radio wave to the stereo tuner 11 and demodulated, and then led to the amplifier 14 by the
control circuit 13 and Become. Further, in the case of stereo reproduction of radio, a stereo
signal is reproduced from the stereo tuner 11, and the ffl control circuit 13 guides the stereo
signal to the stereo transmission unit 12 and the R signal to the amplifier 14, The R signal
further becomes a sound wave through the speaker 15. Further, the radio wave emitted from the
stereo transmission unit 12 is guided to the stereo reception unit 18 and demodulated, and then
the control circuit 19 guides the L signal to the amplifier 20 and the stereo signal to the
recording terminal of the tape recorder 16. The amplifier 2 o drives the speaker 21 to set the L
signal as a sound wave. At this time, if the tape recorder 16 is put into a recording state, stereo
broadcasting is recorded. In the embodiment described above, signal transmission between the
tuner unit 1 and the tape recorder unit 2 is performed by radio waves, but it is needless to say
that signal transmission by wire using a code of an appropriate length is also possible. It is
possible. As described above, according to the present invention, (1) the tuner unit and the tape
recorder unit can be used as independent audio devices, respectively, and in such a case, it is
possible to substantially reduce the size of the device and the f domain of the price. Therefore,
especially when it is not necessary to use a full-featured audio device, such as when carrying, etc.,
it becomes extremely effective. EndPage: 2 (when two channels as shown in FIG. 2 and the tape
recorder unit are electrically connected, it is possible to make a one-body stereo device as a
whole 0 (3) first) As shown in the figure, the chie portion and the tape recorder portion can be
separated mechanically and only electrically connected. At this time, the arrangement position of
the speaker is not restricted, so the sense of expansion of the stereo device is sufficiently Can be
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You can get a nice effect.
4. Brief description of the drawings The drawing shows an acoustic apparatus according to one
embodiment of the present invention, FIG. 1 is a perspective view showing a state in which the
tuner unit and the tape recorder unit are separated, and FIG. 3 (-) and 3 (b) are a fragmentary top
view and a fragmentary elevation and a front view, respectively, showing one mechanical
coupling means. a) and (b) are top and front views showing the other mechanical coupling
means, and FIG. 6 is a block diagram showing the electrical configuration of the tuner unit and
the tape recorder unit. 1
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ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии ?68. Tape recorder unit 13?1O ...... coupling means, 11
...... stereo Qi - to - 12 ...... stereo transmission unit, 13 ░ ...... control circuit 114, ииииииии First unfu \
1501011. ????????????? Stereo tape recorder 17, 17, ..., monaural transmission
unit, 18.0. ,, Stereo receiver 19 ........ Control circuit 20. ????? Name of agent Attorney Nakao
Toshio Nakao has 1 person Figure 1 Figure 3 Figure 4 Figure 5 EndPage: ?
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