×

AREA SURVEILLANCE SYSTEM

  • US 3,686,434 A
  • Filed: 06/17/1970
  • Issued: 08/22/1972
  • Est. Priority Date: 06/27/1957
  • Status: Expired due to Term
First Claim
Patent Images

1. Scanning apparatus for monitoring changing events comprising:

  • first means for scanning an image field which changes in content with time, said first means including a video scanner having a read beam, and deflection control means for said read beam, second means for controlling said deflection control means for causing said read beam of said video scanner to full frame scan its scanning field, trigger input means for initiating operation of said second means to cause said beam to full frame scan the field presented to said video scanner in a single scanning cycle and to effect the generation of a single full-frame composite video picture signal and the output of said video scanner each time said trigger input means is activated, a monitor station located remote from said first means and having a video receiver including a monitor screen and means for generating image representations on said screen of the image phenomena scanned by said first means, means for establishing a communication link between the output of said video scanner and said monitor station, means for generating scanning control signals and transmitting same to energize said trigger input means to initiate a scanning cycle, and means for retaining the image generated by said single full frame composite video picture signal on the screen of said mOnitor station video receiver for an extended period of time whereby the image phenomenon may be visually monitored.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×