3886327

Information

• Patent Grant
• 3886327

• References
• Source

• Patent Number

  3,886,327

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  49 years ago

• CPC

  • G07F7/10 - together with a coded signal
  • G06K7/08 - by means detecting the change of an electrostatic or magnetic field
  • G06K13/073 - with continuous movement
  • G06Q20/347 - Passive cards
  • G07F7/1058 - PIN is checked locally
  • Y10S283/904 - Credit card

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 235 - Registers
  • 283 - Printed matter