Laser navigation sensor
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United States of America Patent
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Jun 22, 2010
Issued Date -
N/A
app pub date -
Oct 31, 2006
filing date -
Oct 31, 2006
priority date (Note) -
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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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