3579252

Information

• Patent Grant
• 3579252

• References
• Source

• Patent Number

  3,579,252

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1971
  53 years ago

• CPC

  • H04N5/72 - Modifying the appearance of television pictures by optical filters or diffusing screens
  • Y10S348/902 - Photochromic

• US Classifications

  • 714 - Error detection/correction and fault detection/recovery
  • 340 - Communications: electrical
  • 345 - Computer graphics processing and selective visual display systems
  • 348 - Television
  • 708 - Electrical computers: arithmetic processing and calculating