DRIVER CIRCUIT, METHOD FOR LASER ACTUATION, AND OPHTHALMOLOGICAL LASER TREATMENT DEVICE

DRIVER CIRCUIT, METHOD FOR LASER ACTUATION, AND OPHTHALMOLOGICAL LASER TREATMENT DEVICE

The invention relates to a driver circuit (1) for generating a current flow through a light source (5), in particular a laser diode (LD), to a method for operating the driver circuit (1) and to an ophthalmological laser treatment device comprising such a driver circuit (1). A voltage source (3), the...

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1. Verfasser: STETTER, Michael
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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creator STETTER, Michael
description The invention relates to a driver circuit (1) for generating a current flow through a light source (5), in particular a laser diode (LD), to a method for operating the driver circuit (1) and to an ophthalmological laser treatment device comprising such a driver circuit (1). A voltage source (3), the light source (5), a series resistor and a switch are arranged in an electric circuit (2). To generate a series resistance which can be controlled or regulated in discrete stages for the light source (5), the electric circuit (2) is branched into at least two parallel branch circuits (21, . . . , 2N), and there is at least one connectable series resistor (R1, . . . , RN) in each branch circuit (21, . . . , 2N).
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language eng ; fre ; ger
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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title DRIVER CIRCUIT, METHOD FOR LASER ACTUATION, AND OPHTHALMOLOGICAL LASER TREATMENT DEVICE
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