Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2005-10-04
2005-10-04
Ben, Loha (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S248000, C345S087000, C345S089000, C327S438000, C327S514000, C327S360000, C363S054000, C398S182000, C398S140000, C708S844000
Reexamination Certificate
active
06952297
ABSTRACT:
A method and apparatus are provided for driving an electro-optic converter assembly with an information signal. The method includes the steps of disposing a resistor having a resistance substantially equal to a resistance of the electro-optic converter adjacent the electro-optic converter, coupling the electro-optic converter and resistor together, in series, to form a current loop, driving the electro-optical converter end of the current loop with the information signal and driving the resistor end of the current loop with an opposite polarity of the information signal.
REFERENCES:
patent: 3407301 (1968-10-01), Kovanic
patent: 3624378 (1971-11-01), Brunkhorst
patent: 4029976 (1977-06-01), Fish et al.
patent: 4633380 (1986-12-01), Kashiwazaki
patent: 6380917 (2002-04-01), Matsueda et al.
patent: 6674420 (2004-01-01), Matsueda et al.
Mansur Dan
Wickman Randy
Ben Loha
Emcore Corporation
Welsh & Katz Ltd.
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