Patents by Inventor Endre Nagykalnai

Endre Nagykalnai 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).

  • Image Display device
    Patent number: 5682173
    Abstract: A head worn image display device, particularly TV picture display device, includes a TV screen or an image holder, and optical elements for transmitting a light beam from the screen or image to the eyes. The essence of the invention is that the device comprises optical elements dividing the beam starting from the screen (4) or image into beam branches, and directing the beam branches towards the eyes of a user of the device; optical elements reflecting the beam branches into the pupils (14,15); and focusing elements arranged between the reflecting optical elements and the pupils, and/or between the dividing optical elements and the reflecting optical elements.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: October 28, 1997
    Inventors: Laszlo Holakovszky, Endre Nagykalnai, Laszlo Kezi