Patents by Inventor Harry Kaemmerer

Harry Kaemmerer 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).

  • Helical video tape insert recording editing method with flying erase head and servo control
    Patent number: 4175271
    Abstract: Disclosed is a helical scan video tape recorder having a flying sense head located upstream from a flying erase head and further upstream from a flying record/playback head. By employing a separate sense head to detect synch pulses, tension and relative speed of the video tape are controlled so as to eliminate synchronization errors in consequence of editing operations.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: November 20, 1979
    Assignee: American Telephone and Telegraph
    Inventor: Harry Kaemmerer
  • Helical video tape recorder arrangement suitable for high quality editing
    Patent number: 4163262
    Abstract: Disclosed is a helical scan video tape recorder having a flying sense head located upstream from a flying erase head and further upstream from a flying record/playback head. By employing a separate sense head to detect synch pulses, tension and relative speed of the video tape are controlled so as to eliminate synchronization errors in consequence of editing operations.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: July 31, 1979
    Assignee: Americal Telephone and Telegraph
    Inventor: Harry Kaemmerer