3531591

Information

• Patent Grant
• 3531591

• References
• Source

• Patent Number

  3,531,591

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  55 years ago

• CPC

  • H04N3/36 - Scanning of motion picture films
  • G03B21/46 - affording adjustment for framing

• US Classifications

  • 348 - Television
  • 226 - Advancing material of indeterminate length