Laser navigation sensor

Details Laser navigation sensor Laser navigation sensor

2006-10-31

2010-06-22

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular component circuitry

For driving or controlling laser

C372S038070, C372S038010

Reexamination Certificate

active

07742514

ABSTRACT:
The apparatus includes a diode laser, a current source interconnected with the diode laser, and four limiting circuits. The first limiting circuit limits peak current flowing to an anode connection of the diode laser. The second limiting circuit limits peak current flowing from a cathode connection of the diode laser, wherein the first and second limiting circuits are independent from each other. The third limiting circuit limits average current flowing through the diode laser. Finally, the fourth limiting circuit limits average current flowing through the diode laser, wherein the third and fourth limiting circuits are independent from each other. Other embodiments and features are also disclosed.

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