|
KR100661076B1
|
|
Emergency control system
|
|
KR100661078B1
|
|
Amp system had a function of protecting for amp errors
|
|
KR100661077B1
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|
Audio volume restriction system
|
|
KR100649671B1
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Microphone have a function of visual alert
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|
KR100649666B1
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Audio output apparatus used the power line communication and control apparatus for it
|
|
KR100671940B1
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Broadcasting apparatus capable using for both main broadcasting and local broadcasting
|
|
KR20050104819A
|
|
Broadcasting system using optical communication
|
|
KR20040108492A
|
|
Microphone for being able to adjust the Volume automatically
|
|
KR100420165B1
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|
Management system for Public Address
|
|
KR100420163B1
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|
Public Address Controller consisted of Module Type
|
|
KR100420164B1
|
|
Public Address Controller consisted of Module Type
|
|
KR20010100541A
|
|
outputing phonetics of a language for fate philosophy machine
|
|
KR20010100542A
|
|
automatic total broadcast controller
|
