Patents by Inventor Horst Soeding

Horst Soeding 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).

  • Process for producing a disc-shaped information carrier which has information in the form of a beam-reflecting structure
    Patent number: 4179532
    Abstract: A disc-shaped information carrier for high-density storage, in particular for video signals, has the information provided on both sides of the carrier and stored in the form of a beam-relfecting surface structure which is covered by a layer of translucent material. A disc-shaped base element is formed by injection molding, pressing, stamping or the like to exhibit a surface structure corresponding to the information to be stored on both sides thereof. Each side has a thin metallic coating applied thereto which maintains the same surface profile and the information structure is protected on each side with a layer of transparent material.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: December 18, 1979
    Assignee: Polygram GmbH
    Inventor: Horst Soeding
  • Disc-shaped information carrier having information in the form of a beam-reflecting structure and a process for producing the same
    Patent number: 4126726
    Abstract: A disc-shaped information carrier for high-density storage, in particular for video signals, has the information provided on both sides of the carrier and stored in the form of a beam-reflecting surface structure which is covered by a layer of translucent material. A disc-shaped base element is formed by injection molding, pressing, stamping or the like to exhibit a surface structure corresponding to the information to be stored on both sides thereof. Each side has a thin metallic coating applied thereto which maintains the same surface profile and the information structure is protected on each side with a layer of transparent material.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: November 21, 1978
    Assignee: Polygram GmbH
    Inventor: Horst Soeding