Patents by Inventor Rolf Sand

Rolf Sand 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).

  • Transmitting device for optical signals
    Publication number: 20080008478
    Abstract: The invention relates to a transmitting device for optical signals, having an optical transmitting unit and at least one optical assembly for conditioning a light beam emitted by the transmitting unit. Here, the device has means which permit the attenuation of the intensity of the light beam in the region of an optical axis of the device.
    Type: Application
    Filed: June 1, 2007
    Publication date: January 10, 2008
    Inventors: Martin Theis, Rolf Sand, Dietmar Gaengler, Carsten Schymik
  • Directionally adjustable telescope arrangement
    Patent number: 6441957
    Abstract: The invention is directed to a directionally adjustable telescope arrangement (1) having a first arcuate mirror (3), a second arcuate mirror (9) and a planar deflecting mirror (13). A third arcuate mirror (17) is provided in the imaging beam path of the telescope arrangement (1). The mirror (17) coacts with the first arcuate mirror (3) and the second arcuate mirror (9) to effectively form images.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: August 27, 2002
    Assignee: Zeiss Optronik GmbH
    Inventors: Wolf-Dieter Teuchert, Karl-Heinz Hager, Rolf Sand