Patents Examined by Harold M. Pitts
  • Time lapse video tape recorder
    Patent number: 4007490
    Abstract: A time lapse video tape recorder has rotary magnetic transducers connected to receive video signals during selected, spaced intervals and record them on a magnetic medium. In succeeding intervals switching means connects the transducers to a playback and alarm system to produce a warning if the signal as reproduced is defective in a predetermined manner, thereby indicating possible malfunctioning of the recording apparatus.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: February 8, 1977
    Assignee: Sony Corporation
    Inventor: Hiroshi Shoda