Patents by Inventor Joerg Plamper

Joerg Plamper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for stabilizing the optical output power of light-emitting diodes and laser diodes
    Patent number: 6807202
    Abstract: The invention relates to a method that can be used to compensate the influence of the temperature on the optical output power (light power) of light emitting diodes and laser diodes without the need to measure the temperature or light power. The method is based on the fact that the current flowing through a light emitting or laser diode and the forward voltage drop on the diode are at a constant light power independent of the temperature in a functional correlation that is often linear and can be obtained. If it is known, it must only be achieved during operation that the current and the forward voltage exhibit this correlation in order to eliminate the temperature effect on the light power.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: October 19, 2004
    Assignee: Sensor Line-Gesellschaft fuer Optoelektronische Sensoren mbH
    Inventors: Joerg Plamper, Josef Engl