Patents by Inventor Antonius Isidorus Hofste op Bruinink

Antonius Isidorus Hofste op Bruinink 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: 4001886
    Abstract: Apparatus for synchronizing the head wheel of a video tape recorder with the recorded signals uses a variable frequency oscillator controlled by the phase difference between recorded vertical synchronized signals and signals received from a vertical reference oscillator to provide a horizontal reference signal. The horizontal reference signal is compared with recorded horizontal synchronized signals as a fine control during playback.
    Type: Grant
    Filed: January 7, 1975
    Date of Patent: January 4, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Antonius Isidorus Hofste op Bruinink