Inventor
TAKATA KENGO
JP5 patents
Patents
5 patentsUS6873209B2Mar 29, 2005
Input buffer circuit having function of canceling offset voltage
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Excitation light source device and optical transmission system
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Excitation light source apparatus and optical transmission system
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Signal light interruption detection device, optical amplifier, optical wavelength multiplex transmission device, and optical wavelength multiplex transmission system
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Optical transmission line switching apparatus, optical transmission system, and transmission line switching method
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