1951198

Information

• Patent Grant
• 1951198

• References
• Source

• Patent Number

  1,951,198

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1934
  90 years ago

• CPC

  • G11B11/18 - with reproducing by optical means
  • G11B7/007 - Arrangement of the information on the record carrier
  • G11B7/24 - Record carriers characterised by shape, structure or physical properties, or by the selection of the material

• US Classifications

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