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JPH10224886

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DESCRIPTION JPH10224886
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
unit that operates to switch between speakers and headphones by means of a relay drive circuit.
[0002]
2. Description of the Related Art Conventionally, since switching between a speaker and a
headphone is operated by inserting and removing a headphone plug, there is a concern that the
plug and the jack may be damaged or the headphone cord may be broken. Moreover, in the case
of use of cordless headphones, there is a problem in the sound quality deterioration due to the
obstruction and the change in direction, and the volume of the headphone main body.
[0003]
Accordingly, the present invention was invented to prevent the repair and replacement by this, or
to take advantage of the conventional headphones.
[0004]
Means for Solving the Problems Now, the configuration will be described. (A) A unit 1 is provided
between the connection of the amplifier and the speaker.
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(B) The relay drive circuit 2 is provided in the unit 1. Set up as above.
[0005]
DESCRIPTION OF THE PREFERRED EMBODIMENTS When listening with headphones, the relay
drive circuit 2 is switched by operating the remote control 3.
[0006]
DESCRIPTION OF THE PREFERRED EMBODIMENTS The operation can also be achieved by the
wired remote control 4 or the switch 5 of the unit 1.
[0007]
According to the present invention, it is possible to switch between the speaker and the
headphone immediately while the headphone is connected to the unit 1.
Moreover, there is no concern of the sound quality deterioration because of the cord connection.
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