2602906

Information

• Patent Grant
• 2602906

• References
• Source

• Patent Number

  2,602,906

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1952
  72 years ago

• CPC

  • H04R23/004 - using ionised gas
  • H04R23/00 - Transducers other than those covered by groups H04R9/00 - H04R21/00
  • H05H1/00 - Generating plasma Handling plasma
  • H01J2893/0061 - Tubes with discharge used as electron source

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 369 - Dynamic information storage or retrieval
  • 381 - Electrical audio signal processing systems and devices