Patents by Inventor Gerald Amster

Gerald Amster 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).

  • Apparatus for selectively transmitting television images from a plurality of cameras to a monitor
    Patent number: 4091422
    Abstract: A system for selectively transmitting television images includes a plurality of television cameras for generating image signals. The cameras may be placed at different respective locations, and at least a single television monitor-receiver is provided for selectively receiving and monitoring one of the image signals. The monitor-receiver includes a circuit for generating common line and field synchronizing signals for the cameras, and an activation-signal generating circuit for supplying activation signals for the cameras, respectively. The activation and synchronizing signals are transmitted to the cameras, respectively, by cable or radio-frequency.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: May 23, 1978
    Inventor: Gerald Amster