Optical communications – Diagnostic testing – Fault detection
Reexamination Certificate
2005-12-13
2005-12-13
Phan, Hanh (Department: 2638)
Optical communications
Diagnostic testing
Fault detection
C398S070000, C398S071000, C398S072000, C398S079000, C398S009000, C398S010000, C398S013000, C398S016000, C398S017000, C398S020000, C398S140000, C398S141000, C398S151000, C385S024000, C385S015000, C356S073100
Reexamination Certificate
active
06975812
ABSTRACT:
The detection light reflection function is given to PLC type LD, PD or LD/PD modules having light guides and optoelectronic chips (LD, LED, PD or APD) by forming a grating on the light guides which selectively reflects only the detection light.
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Kuhara Yoshiki
Yamabayashi Naoyuki
Phan Hanh
Smith , Gambrell & Russell, LLP
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