1990544

Information

• Patent Grant
• 1990544

• References
• Source

• Patent Number

  1,990,544

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  90 years ago

• CPC

  • H04N7/063 - Simultaneous transmission of separate parts of one picture

• US Classifications

  • 386 - Motion video signal processing for recording or reproducing
  • 348 - Television
  • 352 - Optics: motion pictures