2514081

Information

• Patent Grant
• 2514081

• References
• Source

• Patent Number

  2,514,081

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1950
  74 years ago

• CPC

  • G11B3/08512 - using optical detecting means
  • H04R1/16 - Mounting or connecting stylus to transducer with or without damping means
  • H04R23/008 - using optical signals for detecting or generating sound

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER