Laser drive circuit and use

Details Laser drive circuit and use Laser drive circuit and use

2011-03-01

2011-03-01

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular component circuitry

For driving or controlling laser

C372S038030, C372S038070

Reexamination Certificate

active

07899099

ABSTRACT:
A laser drive circuit and use of digital-to-analog converters is provided, each with a current input and a current output to set current values of partial currents switchable by means of digital channel signals to provide a laser current pulse at least on the basis of a sum of partial currents, wherein at least one current output of one of the digital-to-analog converters is connected to at least one current input of an additional digital-to-analog converter via an analog switch.

REFERENCES:
patent: 5640381 (1997-06-01), Call et al.
patent: 7200091 (2007-04-01), Masui et al.
patent: 2007/0096963 (2007-05-01), De Boer et al.
patent: 2007/0147450 (2007-06-01), Inoue et al.
patent: 2008/0008066 (2008-01-01), Rees et al.
patent: 2008/0074970 (2008-03-01), Itoga et al.

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