3487390

Information

• Patent Grant
• 3487390

• References
• Source

• Patent Number

  3,487,390

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • H01B13/02 - Stranding-up
  • H01B11/002 - Pair constructions
  • H01B11/12 - Arrangements for exhibiting specific transmission characteristics
  • H01B13/0228 - by a twisting pay-off and take-up device
  • Y10T29/49201 - with overlapping orienting
  • Y10T29/53243 - Multiple, independent conductors

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 346 - Recorders
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER