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DATA ENTRY AND RETRIEVAL COMPOSITE DISPLAY SYSTEM

  • US 3,753,240 A
  • Filed: 03/08/1971
  • Issued: 08/14/1973
  • Est. Priority Date: 03/08/1971
  • Status: Expired due to Term
First Claim
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1. A composite display system converting data from independent sources into video signals and combining the same for a composite display having in combination, a computer comprising a programmed data source including instructions for selection of data from a second data source, means comprising a second data source, position control means selecting data from said second data source, terminal control means coupled to said computer receiving programmed instructions therefrom and transmitting the same to said second mentioned means for said selection of data from said second data source, means reading said last mentioned data and converting the same into video signals, a video signal mixing means, gating means controlling the passage of said video signals from said fourth mentioned means to said last mentioned means, a memory bank receiving data from said computer data source through said control means, said memory bank being coupled to said gating means and receiving programmed instructions with said data from said computer data source through said control means for the selective control of the passage of said second source data through said gating means, a signal generating means coupled to said memory bank receiving data therefrom and converting the same into video signals transmitted to said fifth mentioned means, said fifth mentioned means integrating video signals from said second data source and from said computer data source forming a composite signal for output, a composite video gating means coupled to said last mentioned means receiving video signals therefrom, means coupled to said last mentioned means receiving said video signals therefrom for display and/or recording, and timing means synchronizing said video signals from said computer data source through said memory bank with said video signals from said second data source.

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