Patents by Inventor Wolfgang Otto Gotthard Steinkopf

Wolfgang Otto Gotthard Steinkopf 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: 4112445
    Abstract: A television player adds an identification signal to the recorded video signal so that a receiver with a recognition circuit can distinguish between the played back signal and a broadcast one. The identification signal is compatible so that a receiver without the recognition circuit can receive the played back signal.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: September 5, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Wolfgang Otto Gotthard Steinkopf, Rudolf Drabek
  • Patent number: 4051526
    Abstract: A television system comprising a video tape recorder or the like and a television receiver, in which system the television signal contains an identification signal by which it is distinguished from the television signal received from a transmitter. The television receiver includes a circuit arrangement for recognizing the identification signal and for changing over circuits in the receiver, in particular for changing over the time constant network of the flywheel filter of the line synchronizing circuit. The identification signal can encode the line synchronizing pulses, for example by a serration formed therein.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: September 27, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Wolfgang Otto Gotthard Steinkopf, Rudolf Drabek