3670145

Information

• Patent Grant
• 3670145

• References
• Source

• Patent Number

  3,670,145

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • G06K7/10831 - Arrangement of optical elements
  • G06K13/22 - Capstans Pinch rollers

• US Classifications

  • 235 - Registers
  • 226 - Advancing material of indeterminate length
  • 250 - Radiant energy
  • 359 - Optical: systems and elements
  • 360 - Dynamic magnetic information storage or retrieval