Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2008-07-30
2011-11-01
Lee, John (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C385S014000, C398S139000, C398S164000
Reexamination Certificate
active
08049159
ABSTRACT:
An optical transmitter-receiver subassembly including a light-emitting element which converts a current into an output optical signal, a light-receiving element which converts an input optical signal from an optical fiber into a current, a planar lightwave circuit which guides the output optical signal and the input optical signal, and comprises the light-emitting element and the light-receiving element, a first land pad through which the current to be input to the light-emitting element passes, a second land pad through which the current output from the light-receiving element passes, a package which is electrically coupled to the planar lightwave circuit and includes the first land pad and the second land pad.
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Lee John
NEC Corporation
Young & Thompson
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