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JPH0742293

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JPH0742293
[0001]
BACKGROUND OF THE INVENTION The present invention relates to a headphone plug with a
solenoid, and a speaker such as a TV or the like while the headphone plug is still inserted in the
headphone terminal part of a television or other audio device (hereinafter referred to as a TV or
the like). The present invention relates to a solenoid-equipped headphone plug which can extract
an audio signal optionally output from a headphone.
[0002]
2. Description of the Related Art According to a conventional headphone plug, in order to listen
to an audio signal from a TV or the like from a speaker, it can not be heard unless the headphone
plug is once removed from a headphone jack such as a TV. ing. That is, the headphone plug 49
has a configuration as shown in the perspective view of FIG. 9, and as shown in FIG. 9 and FIG.
10, the right output (speaker output) ) Are provided. In addition, the electrode 50 is connected to
the electrode 50 via the insulator earth 51a and has an electrode 52 for inducing a left side
output (headphone side output) different from the right side output (speaker output). Further, a
ground 53 formed through an insulator ground 51b is provided, and the ground 53 is formed
with a grip portion 53a so as to be easy to hold. In the television receiver 60, for example, an
audio amplifier 54, a switch mechanism 55 for switching, a speaker 56, a headphone terminal
57, and a headphone 58 are described with reference to the circuit diagram of FIG. In this case,
when the headphone plug of the headphone 58 is inserted into the headphone jack 57, the
switch of the switch mechanism 55 is connected to the headphone 58 side, and an audio output
from the headphone 58 can be obtained. At this time, the audio output from the speaker 56 is
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lost. When the headphone plug of the headphone 58 is removed from the headphone jack 57, the
switch of the switch mechanism 55 is connected to the side of the speaker 56, and audio is
output from the speaker 56. At this time, audio output from the headphone 58 is not performed.
[0003]
As described above, according to the conventional headphone plug, an audio signal can not be
directly heard from the speaker unless the headphone plug is removed from the headphone jack
such as a TV. Therefore, in the case where the user listens to the headphones and then tries to
listen to the sound from the speakers, it is inconvenient because the headphone plug has to be
removed from the headphone jack such as TV.
[0004]
The present invention has been made to solve the above problems, and the purpose of the
present invention is to switch the speaker output and the headphone output while the headphone
plug is attached to the headphone jack of an audio device such as a TV. It also provides a
headphone plug with a solenoid that enables desired audio output to be taken from both output
means simply by operating the switch without having to remove the plug.
[0005]
SUMMARY OF THE INVENTION The present invention has been made to achieve the above
object, and in the invention according to the "claim 1", the tip portion and the electrode of the
cylindrical body, and further, Is formed from the ground part of the cylindrical body, and a slit
part is formed at the tip part thereof, and when the tip part is expanded, the split-type electrode
formed on the periphery of the tip part A first electrode portion formed to be connected to the
output means connection portion of 1, and the split type electrode housed in the cylindrical body
so as to be able to move forward and backward and turning on and off the solenoid It is provided
separately from the rod made of a rod for expanding and connecting with the first output means
connecting portion, the first electrode portion and the insulator, and is connected with the
second output means connecting portion such as headphones A second electrode portion
provided as described above; And an adapter unit connected to the volume amplifier connected
to amplify an audio output from the electrode unit and the second electrode unit and having a
switch mechanism connected to the solenoid and turning on / off the solenoid. I assume.
[0006]
In the device according to the first aspect of the present invention, the headphone plug with
solenoid can be easily turned on / off by simply operating the switch mechanism of the adapter
unit, and the speaker etc. And the second output means connection portion such as a headphone
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can be switched, the speaker or the headphone remains attached to the headphone jack of an
audio device such as a TV. Since it is possible to take out and listen to the audio signal, it is not
necessary to remove the plug from the audio device such as the TV when listening to the
speaker, thereby improving usability.
[0007]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to the drawings, FIG.
1 is a perspective view showing the main part of the headphone plug of the present invention,
and FIG. 2 is used for the headphone plug of the present invention. FIG. 3 is a longitudinal
sectional view showing a state in which the split-type electrode used in the headphone plug of
the present invention is closed, and FIG. 4 (a) is a split-type electrode in the headphone plug 4 (b)
is a front view showing the split-type electrode in an open state, FIG. 5 is a perspective view
showing the split-type electrode in an open state, and FIG. 6 (a) is a split-type electrode 6 (b) is a
front view showing the split type electrode closed, and FIG. 7 (a) is for explaining the advancing
movement control situation of the eyelid by the solenoid used in the present invention. Fig. 7 (b)
is used in the present invention Schematic explanatory view for explaining a retreating
movement control status of the wedge by solenoids, FIG. 8 is a wiring diagram showing a circuit
configuration of embodiment of the present invention.
[0008]
As shown in FIGS. 1 to 3, the head plug of the present invention has an electrode portion 2 for
guiding to a right output connected to a speaker or the like described later.
The electrode portion 2 is composed of a hollow stretchable resin molded portion 10 in which a
leading end portion is stretchable with the split electrode 9 and in which a weir guide path 19 is
formed.
Further, a solenoid 11 is provided in the weir induction path 19 so that the weir 12 contained
therein can be moved forward and backward by turning on and off the solenoid 11.
Further, the divided electrodes 9 are attached so as to cover the surface of the stretchable resin
molded portion 10
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[0009]
The diameter of the stretchable resin molded portion 10 is changed by inserting and removing
the crucible 12 into and out of the hollow portion of the stretchable resin molded portion 10 by
means of a solenoid 11.
The divided electrodes 9 are formed of a material such as phosphor bronze.
The weir 12 is shaped so as to be able to move freely in the stretchable resin molded portion 10
which doubles as the insulating portion 4. The surface of the expandable resin molded portion
20 is covered with the ground electrodes of the electrode portion 2 and the electrode 3.
[0010]
As shown in FIG. 2, the split electrode 9 and the telescopic resin molding portion 10 are formed
so as to expand and contract when the crucible 12 is controlled by the solenoid 11 in the
crucible guiding path 19 and the crucible 12 is taken in and out. There is. In FIG. 3, the
expandable resin molded portion 10 is expanded in a state in which the crucible 12 is in the
crucible induction passage 19, and the divided electrodes 9 are inevitably expanded. That is, it
becomes the state of a normal headphone plug. In the figure, reference numeral 22 denotes a left
output line connected to the electrode 3, and reference numeral 23 denotes a right output line
connected to the electrode 2. Further, in the drawing, reference numeral 21 denotes a connection
line connected to the solenoid 11 for supplying electric power.
[0011]
That is, as shown in FIG. 3, when the crucible 12 is moved in the direction of the arrow under the
control of the solenoid 11 and the crucible 12 comes out of the crucible guiding path 19, the
expandable resin molded portion 10 shrinks, inevitably resulting in division The electrode 9 and
the projection 7 are closed. That is, the convex part 7 of the division | segmentation electrode 9
becomes smaller than magnitude | size AA 'of normal diameter. When the headphone plug 1 is
inserted into the headphone jack and the divided electrode 9 becomes smaller, the switch 55 of
FIG. Switch is switched so that the headphone output is cut off and the speaker output side is cut
off. That is, the speaker output can be obtained while the headphone plug 1 is inserted into the
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headphone jack. Conversely, when the solenoid 12 is controlled by the solenoid 11 and the
crucible 12 is inserted into the crucible induction passage 19, the expandable resin molded
portion 10 is expanded, and the divided electrodes 9 and the convex portion 7 inevitably expand,
and a normal headphone plug Returning to FIG. 10, in the switch 55 of FIG. 10, the speaker
output is turned off, and the headphone output side is turned on to obtain a headphone output.
Here, when the stretchable resin molded portion 10 is described in detail based on FIG. 4A and
FIG. 5, the resin divided molded product 42 is attached to the fixed portion 24 so as to constitute
the slit 25. Further, FIG. 4 (b) shows a state where the weir 12 is inserted into the weir guiding
path 19 and extended, and in this case, the slit 25 is opened and the stretchable resin molded
portion 10 is extended (expansion) It is set to be in the state.
[0012]
The stretchable resin molding portion 10 will be described in detail based on FIG. 6A. Here, the
slit 25 is closed with the weir 12 taken out of the weir guiding path 19. That is, as shown in FIG.
6 (b), it shows a state in which the stretchable resin molding portion 10 is contracted. FIGS. 7 (a)
and 7 (b) illustrate the operating condition of the crucible 12 controlled by the solenoid 11. The
permanent magnet 26 is connected to the crucible 12. Further, one end side of the spring 28 is
connected to the crucible 12 and the other end side is connected to and fixed to the outer shell of
the solenoid 11. Further, the coil 27 generates a magnetic field and controls the permanent
magnet 26. In the figure, 30 is a power source, 29 is a power switch, and the structure of the
power switch 29 is such that when the power switch 29 is off, as shown in FIG. Is projected from
the solenoid 11. When the power switch 29 is on, as shown in FIG. 7B, the permanent magnet 26
is attracted, the spring 28 is contracted, and the wedge 12 is pulled by the solenoid 11. This state
indicates that the weir 12 has come out of the weir induction path 19
[0013]
FIG. 8 shows a circuit configuration of the embodiment of the present invention, which is an
example in which the headphone plug 1 of the present invention is inserted into the headphone
jack of the television receiver 43. As shown in FIG. In the figure, 32 is an adapter, 33 is a low
frequency amplifier provided in the adapter 32, and is connected to the left and right separate
output lines 22 and 23 from the headphone plug 1. These low frequency amplifiers 33 are
connected to the power amplifier 35 through the volume amplifier 34. The headphone plug
mechanism 36 outputs to the headphones 38 if the headphones 38 are connected to the
headphone jack 43 and does not output to the speakers 37 When the headphone 38 is removed
from the headphone jack 43, the signal is output to the speaker 37 and is not output to the
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headphone 38. In the figure, 39 is a switch in the case of applying a voltage from the power
supply 40. The operation of the present invention configured as described above will be
described based on the embodiment shown in FIG. In this case, the speaker output of the
television receiver 43 is cut off due to the structure of the headphone plug and the headphone
jack. Then, the output is induced to the headphone plug 1. These carried signals are sent to the
low frequency amplifier 33 (left and right separately) of the adapter 32 as the left signal on the
output line 22 and as the right signal on the output line 23. The signal amplified by the low
frequency amplifier 33 is subjected to power amplification by the power amplifier 35 via the
volume controller 34. Further, when the headphone 38 is removed from the headphone plug, an
audio signal is output to the speaker 37, and at this time, the audio signal is not output to the
headphone 38. Now, when the switch 41 is off, no current flows to the solenoid 11 in the
headphone plug 1 and the weir 12 comes into the weir guiding path 19 by the biasing force of
the spring 28. It will expand and the split type electrode 9 will be expanded. That is, since the
headphone plug 1 works as a normal headphone plug, the audio output of the television receiver
43 is guided to the adapter 32 as a headphone output. At this stage, the speaker output of the
television receiver 43 is extinguished. However, when the switch 41 is turned on, a current flows
through the solenoid 11 in the headphone plug 1 to attract the permanent magnet 26 connected
to the weir 12. Thereby, the weir 12 is also sucked, and the spring 28 is contracted. Then, the
weir 12 comes out of the weir induction path 19, the stretchable resin molded portion 10
shrinks, and the divided electrodes 9 close.
At this stage, the convex part 7 of the headphone plug 1 is contracted, and the speaker in the
headphone jack of the television receiver 43 and the tongue of the changeover switch of the
headphone can not be supported, the output to the headphone is cut off and the speaker output
is connected. . As described above, according to the present invention, the audio output of the
television receiver 43 can be easily guided to the adapter 32 simply by switching the switch 41
in the adapter 32, or Usability can be improved because it is possible to switch between listening
with a speaker.
[0014]
As is apparent from the above description, according to the invention as set forth in claim 1
having the above construction, the solenoid can be easily operated simply by operating the
switch mechanism of the adapter section. The speaker or headphone can be switched on / off to
switch between the first output unit connection unit such as a speaker and the second output
unit connection unit such as a headphone, and with the headphone plug attached to the
headphone jack such as a TV. As it is configured to take out and listen to the signal, it is not
necessary to remove the headphone plug from the headphone jack such as TV each time when
listening to the speaker, and there are various effects such as improvement of usability. become.
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