2307099

Information

• Patent Grant
• 2307099

• References
• Source

• Patent Number

  2,307,099

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1943
  81 years ago

• CPC

  • H04L15/20 - with optical sensing means

• US Classifications

  • 178 - Telegraphy
  • 352 - Optics: motion pictures
  • 369 - Dynamic information storage or retrieval