Patents by Inventor Douglas A. Pinoow

Douglas A. Pinoow 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).

  • Apparatus for transmitting optical signals into a protected environment
    Patent number: 4912525
    Abstract: Apparatus for transmitting optical signals from an unprotected environment to a protected environment are disclosed. The apparatus may take the form of a lightpipe which has a light transmitting core and a cladding material surrounding the core having an index of refraction lower than the core. The lightpipe is aligned with a photodetector by means of a retaining collar. An omnidirectional optical signal collector is also disclosed for receiving optical signals from any direction and relaying them to a secure photodetector.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: March 27, 1990
    Assignee: Universal Photonix, Inc.
    Inventor: Douglas A. Pinoow