Equal-area simultaneous display of remotely located television cameras' signals on a single monitor screen and synchronization of same

• US 3,180,932 A
• Filed: 02/19/1963
• Issued: 04/27/1965
• Est. Priority Date: 02/19/1963
• Status: Expired due to Term

• Current Assignee: Henry N. Oppenheimer
• Original Assignee: Henry N. Oppenheimer
• Inventors: Oppenheimer, Henry N.
• Application Number:
  US04/259,599
• Time in Patent Office: 798 Days
• US Class Current: 348/524
• CPC Class Codes: H04N 5/0733 for distributing synchronisation pulses to different TV cameras
• CPC Class Codes: H04N 5/2624 for obtaining an image which is composed of whole input images, e.g. splitscreen
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources

Claims

1. A MULTIPLE IMAGE TELEVISION DISTRIBUTION SYSTEM COMPRISING, A PLURALITY OF CAMERAS FOR GENERATING TELEVISION SIGNALS, A TELEVISION IMAGE REPRODUCER, MEANS FOR GENERATING A FIRST FREQUENCY, FOR CONTROLLING THE FIELD RATE OF THE TELEVISION IMAGE REPRODUCER, AND A SECOND FREQUENCY, WHICH IS EQUAL TO SAID FIRST FREQUENCY MULTIPLIED BY THE NUMBER OF IMAGES WHICH ARE TO BE SIMULTANEOUSLY REPRODUCED, FOR CONTROLLING THE FIELD RATE OF THE TELEVISION CAMERAS. AND MEANS RESPONSIVE TO BOTH SAID FIRST AND SECOND FREQUENCIES FOR SEQUENTIALLY APPLYING THE CAMERA VIDEO OUTPUTS TO THE TELEVISION IMAGE REPRODUCER WHEREBY THE IMAGES FROM EACH CAMERA ARE SIMULTANEOUSLY DISPLAYED IN PRESELECTED LOCATIONS.