2263643

Information

• Patent Grant
• 2263643

• References
• Source

• Patent Number

  2,263,643

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1941
  83 years ago

• CPC

  • G11B3/52 - Arrangements permitting styli to yield under excessive pressure
  • G11B3/08509 - using mechanical detecting means
  • G11B3/08545 - driven by cams

• US Classifications

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