Optical communications – Transmitter – Having particular modulation
Reexamination Certificate
2006-08-29
2006-08-29
Phan, Hanh (Department: 2613)
Optical communications
Transmitter
Having particular modulation
C398S182000, C398S186000, C398S192000, C398S193000, C398S194000, C398S195000, C398S196000, C398S197000, C398S198000, C372S029010, C372S032000, C372S034000, C372S038060, C372S036000
Reexamination Certificate
active
07099596
ABSTRACT:
A high-speed optical transmitter having an optical modulator and a driver circuit while maintaining optical modulator performance. The high-speed optical transmitter comprises the optical modulator which modulates and outputs an input light in accordance with an applied voltage, and a driver circuit which outputs the applied voltage into the optical modulator and has an emitter follower circuit at an output stage thereof.
REFERENCES:
patent: 4237427 (1980-12-01), Holland
patent: 5706116 (1998-01-01), Sugata
patent: 5-075438 (1993-03-01), None
patent: 9-181682 (1997-07-01), None
Shirai Masataka
Takeyari Ryoji
Watanabe Koichi
Antonelli, Terry Stout and Kraus, LLP.
Hitachi , Ltd.
Phan Hanh
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