3725575

Information

• Patent Grant
• 3725575

• References
• Source

• Patent Number

  3,725,575

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • H04N5/84 - using optical recording
  • G03G15/328 - using a CRT
  • G09G1/14 - the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
  • G09G1/16 - the pattern of rectangular co-ordinates extending over the whole area of the screen
  • H04N3/38 - with continuously moving film

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 345 - Computer graphics processing and selective visual display systems
  • 347 - Incremental printing of symbolic information
  • 348 - Television
  • 386 - Motion video signal processing for recording or reproducing