Patents by Inventor Eric Tseo

Eric Tseo 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).

  • Head-mounted personal visual display apparatus with image generator and holder
    Patent number: 6369952
    Abstract: A visual display device is provided for delivering a generated image, preferably combinable with environment light, to the eye of a user. The device is lightweight and compact but yields a high quality image. In one embodiment, a shroud protects from stray light and holds optical elements in desired alignment. In one embodiment an image generator is masked by at least two masks to provide for a high quality image without waste. In one embodiment, a removably mounted shield or activatable device and convert the apparatus from a see-through device to an immersion device and back again. In one embodiment, the device can be comfortably mounted to the user's head while still allowing for use of conventional eyeglasses. A tracker for outputting an indication of the orientation, attitude and/or position of a head-mounted display (HMD) may be provided.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: April 9, 2002
    Assignee: i-O Display Systems LLC
    Inventors: Richard Dennis Rallison, C. Gregory Amadon, Wolfgang Adam Mack, Jr., Leo Nikora, Eric Tseo, Douglas Donaldson, Robert T. Etter
  • Head-mounted personal visual display apparatus with image generator and holder
    Patent number: 5991085
    Abstract: A visual display device is provided for delivering a generated image, preferably combinable with environment light, to the eye of a user. The device is lightweight and compact but yields a high quality image. In one embodiment, a shroud protects from stray light and holds optical elements in desired alignment. In one embodiment an image generator is masked by at least two masks to provide for a high quality image without waste. In one embodiment, a removably mounted shield or activatable device and convert the apparatus from a see-through device to an immersion device and back again. In one embodiment, the device can be comfortably mounted to the user's head while still allowing for use of conventional eyeglasses. A tracker for outputting an indication of the orientation, attitude and/or position of a head-mounted display (HMD) may be provided.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: November 23, 1999
    Assignee: i-O Display Systems LLC
    Inventors: Richard Dennis Rallison, C. Gregory Amadon, Wolfgang Adam Mack, Jr., Leo Nikora, Eric Tseo, Douglas Donaldson, Robert T. Etter