2994856

Information

• Patent Grant
• 2994856

• References
• Source

• Patent Number

  2,994,856

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  63 years ago

• CPC

  • G11B21/02 - Driving or moving of heads
  • G05B5/01 - electric
  • G05D3/1427 - with non-linear amplifier chain
  • G05D3/149 - with clutch or brake
  • G11B5/5521 - across disc tracks
  • G11B5/553 - Details
  • Y10T74/20201 - Control moves in two planes

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 074 - Machine element or mechanism
  • 318 - Electricity: motive power systems
  • 346 - Recorders
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER