Patents Examined by Brian Heely
  • Circuit for controlling the output power of an uncooled laser or light emitting diode
    Patent number: 5907569
    Abstract: A selected positive coefficient resistor is connected in parallel across a laser, Light Emitting Diode (LED) or amplifier LED (ALED) to adjust the bias current, respectively, to the laser, LED or ALED as a function of temperature so as to maintain a more regulated optical power output therefrom.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: May 25, 1999
    Assignee: Lucent Technologies Inc.
    Inventors: Bernard Glance, Kang-Yih Liou