2897484

Information

• Patent Grant
• 2897484

• References
• Source

• Patent Number

  2,897,484

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1959
  65 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
  • G05G5/06 - for holding members in one or a limited number of definite positions only
  • G11B5/5521 - across disc tracks
  • G11B5/553 - Details
  • G05G2700/08 - Control mechanisms for locking members in one or more positions

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 235 - Registers
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER