Electro-optical distance measuring device
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United States of America Patent
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-
Nov 14, 2017
Grant Date -
Aug 14, 2014
app pub date -
Sep 4, 2012
filing date -
Sep 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An electro-optical distance measuring device includes a laser driver for a laser diode for emitting laser light pulses. The laser driver has a laser diode voltage supply for providing a voltage below a laser threshold voltage of the laser diode, an inductive component in a supply path of the laser diode, and an electronic switching element. The electronic switching element is arranged in an interacting manner such that a current flow through the inductive component can be generated in a first switching position of the switching element and the current flow can be conducted through the laser diode in a second switching position of the switching element. One of the laser light pulses can be emitted as the result of a switch from the first switching position to the second switching position, and laser light cannot be emitted in the static first switching position or the static second switching position.
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