Patents by Inventor Laszlo Kezi

Laszlo Kezi 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).

  • 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
  • Patent number: 5129716
    Abstract: Object of invention is such an appliance which is suitable for stereoscopic displaying of video images. It is wearable on head having a common stiff frame with two video image displays built in it; then an optical system, containing lenses and mirrors or prisms, is located, arranged symmetrically. Video image diplays (1), e.g. cathode ray tubes, while wearing on head, are located near the temples; in front of the screen (3) there is a mirror or a prism having reflecting surface, having of 45.degree.-75.degree. angles with the plain of the screen on two sides symetrically fitting into optical train between the screen (3) and the concerned pupil, then a lense or lense-system (8), then there is a reflecting mirror (7) having the area not greater than that of the average pupil, in front of the pupils (5), fixing of this mirror (7) is made of transparent material or is covered.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: July 14, 1992
    Inventors: Laszlo Holakovszky, Karoly Endrei, Laszlo Kezi, Karolyne Endrei