Patents Examined by Victor R. Kastak
  • Patent number: 4752821
    Abstract: Color differences between primary color components obtained from a matrix in the usual way are combined by pairs in six non-additive mixers in a known way to produce six color sector signals. In a known system, these sector signals are individually amplitude adjustable for color correction purposes. In order to provide a correction for the luminance signal corresponding to the color corrections that may be made, a low pass-filtered luminance signal is used to multiply either all of the sector signals individually before amplitude adjustment or to multiply their sum after amplitude adjustment, the ultimate product-sum in each case being added to the full-band luminance signal for provision of a corrected luminance signal.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: June 21, 1988
    Assignee: Robert Bosch GmbH
    Inventor: Dieter Poetsch
  • Patent number: 4724485
    Abstract: Television (TV) scanning with improved resolution is obtained by implementation into a conventional TV scanning arrangement of a vertical drive signal modifying circuit which modifies vertical drive signals prior to their being provided as an input to the conventional TV scanning arrangement. Processing of the vertical drive signals results in the generation of various time delay signals which, when logically combined in accordance with the present invention, result in the generation of modified vertical drive signals. As a result of application of the modified vertical drive signals to the conventional TV scanner arrangement, the number of fields making up the conventional interlace pattern is multiplied by an integral factor greater than one.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: February 9, 1988
    Assignee: National Biomedical Research Foundation
    Inventors: Thomas J. Golab, Robert S. Ledley
  • Patent number: 4719482
    Abstract: An apparatus and a method for three-dimensional (3D) color televisions where the two simultaneously recorded static or movie pictures of a scene from two different directions are merged into one picture of a TV-receiver is disclosed. The pickups from two different directions are reproduced in different orientations of linear polarization of light such that when viewing through glasses with different polarization, each eye will receive the picture of each recording separately which will be perceived as a 3-D image. The different orientations of linear polarization are produced by subjecting the images from a first direction to an electric field which causes the light to become plane polarized according to the Kerr effect, while the electric field is switched off for the images from the second direction.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: January 12, 1988
    Inventor: Heinrich W. Hora