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JPS5470307

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DESCRIPTION JPS5470307
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an electrical relationship in an
embodiment of the present invention, FIGS. 2 to 8 are views showing a use form of the
embodiment of the present invention, and FIG. S is another embodiment of the present invention.
FIG. 1 is a view similar to FIG. 1 showing an embodiment of the present invention, and FIGS. 10
to 12 are sectional views showing a knob in the embodiment of the present invention. 1
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Power supply? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ? ?.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a multipurpose
pyrospeaker, and more particularly to a multipurpose pyrospeaker convenient for people with
physical disabilities such as bed patients. The well-known speaker <, pyro speaker is intended to
be enjoyed only by the user at bedtime as a form of an external speaker such as an external
speaker connected to a radio or the like, an earphone, or the like. However, the main body such
as) (2) and the pyro speaker main body connected by the connection cord must always be held in
the VC connection state, and furthermore, the main body such as radio can be operated while
lying down I had to put it in place. Therefore, when moving the body, the connection of the
pyrospeaker is disconnected and the connection cord is broken, or the connecting cord is
disconnected or shorted, or the body of the radio is moved and dropped to the floor. It was
Therefore, the present invention eliminates the above-mentioned drawbacks, and is a
multipurpose pyro speaker having a receiver function, a microphone amplifier / telephone
binnoquanobia / 7 ░ function, a microphone mixing function, an interphone function and an
original pyro speaker function. It was designed to provide. (3) Hereinafter, an embodiment
according to the present invention will be described with reference to the drawings. FIG. 1 is a
diagram showing the electrical relationship of a multipurpose pyrospeaker according to an
embodiment of the present invention, which comprises: a speaker 1; two jacks 2 and 3 for
external signal input and external signal output; And a receiver 5 for converting a broadcast
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radio wave into an audio signal. The human power signal from the jack 2 is selectively
transmitted to the speaker 1 and the amplification unit 4, and the output signal from the
amplification unit 4 is selectively transmitted to the speaker 1 and the jack 3. Further, the audio
signal from the receiver 5 is transmitted to the simultaneous VC or the selective one amplifier 4
together with the signal from the jack 2. The power supply 6 is composed of a power supply
circuit connected to a battery or a commercial power supply (4), and is provided with circuits a
and b respectively supplying the amplification unit 4, the reception unit 5 and K respectively, and
only the amplification unit 4 and the amplification unit It is formed so that it can be selectively
supplied to both 4 and the receiving unit 5. As a result, as shown in FIG. 2, when used as a pyro
speaker, external audio signal input is transmitted to the speaker 1 through the manual jack 2. In
the case of the microphone amplifier or telephone pickup amplifier, as shown in FIG. 3 VC, the
power from the power supply 6 is supplied only to the amplification unit 4 and the microphone 8
or telephone big ag 9 is connected to the jack 2 to operate. , And the output from the amplifier 4
is transmitted to the speaker l.
Also, as shown in FIG. 4, if the power supply 6 supplies power to the reception (5) unit 5 and the
amplification unit 4 and the reception unit 5, the amplification unit 4 and the speaker 1 are
connected, it can be used as a normal radio. It can be used for history. VC1 Fig. 5 V5 As shown in
Fig. 5 V, if you connect the microphone 8 to the jack 2 and transmit the microphone output to
the amplifier unit 4 at the same time as the radio shown in Fig. 4, execute the microphone mixing
function. Do. At this time, it should be noted that the input / output impedance relationship V?
so that both inputs from the receiver 5 and the microphone 8 do not interfere with each other.
However, as shown in FIG. 6, if the amplifiers 4a and 4b of two audio frequency signals are
provided and used for the receiving unit 5 and the microphone 8 respectively and mixed at the
output side to the speaker 1, the hill condition is (6) The disadvantages can be avoided. The 71st
g + is a figure showing a case where it is used as an interphone, power is supplied to only the
amplification unit 4, and the microphone 8 and the input line ILI are selectively connected in
parallel from the other side to the input jack 2. The output of the amplification unit 4 is
connected in parallel A or selectively V (connected to the output phase jack 3 to which the
speaker 1 and the opposite Karia 11 are connected). From this t 'LV ?, it is not only possible to
make a PTT 7i-style telephone call, but of course, it is also iiJ ability to make simultaneous calls.
However, in order to conduct more accurate simultaneous calls, VC is provided with VC as shown
in FIG. 8 and FIG. 6, and two amplification units 4a and 4b similar to the case of FIG. This can be
easily achieved by providing the human power jacks 2a and 2b for 4b respectively, and
separating the microphone (7) force and the line output in the case described with reference to
FIG. Therefore, in order to perform more reliable microphone mixing and interphone functions,
as shown in FIG. 9, it is preferable to provide two amplification units 43% 4b and two manpower
jacks 2a and 2b. 10,000, the switch knob for switching the input / output line and power supply
by each function, the knob for tuning the receiver to the desired radio wave, the knob for
adjusting the volume, etc. must be able to be easily operated from the outside, but stock In order
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to use it in a bowl or pillow case, as shown in Section O 1 IY, a recess 13 is provided in the side
edge of the case 12 for storing a 7-dpi circuit component, and a knob 13 in the recess 13. If a
part of 14 is arranged to project, it is possible to prevent the knob 14 from being moved by (8)
movement of a pure external one such as the movement of a pillow or the like.
Also, as shown by 111 JK, the same effect can be achieved by providing a lid 15 that covers the
protruding portion of the knob 14 but, at this time, the sound from the speaker between the case
12 and the lid 15 Preferably, surface holding is performed to avoid resonance. Furthermore, if
the small size that can be stored in the case fC can be manually used, it is preferable to use a
slide type volume or a barlicon, and as shown in FIG. The sliding bar 17 may be attached to the
long hole 16 provided in the above, and the linear motion may be converted into rotational
movement 1i1Vc by the combination ? of the pulley 18 and the chain 19. As described above (in
the present invention, tl, Lf, conventionally, the main body of a radio or the like is connected with
a cord by means of a cord (9)) , Microphone amplifier, telephone station amplifier, microphone
mixing ang, and use as an interphone, 1. The scope of use is vast, for example, it can prevent
careless threads etc. of knobs that tend to occur when used with pillows or jail 1 yuan.
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