1992585

Information

• Patent Grant
• 1992585

• References
• Source

• Patent Number

  1,992,585

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1935
  90 years ago

• CPC

  • G10L19/02 - using spectral analysis
  • G11B3/003 - Devices for transmitting, directing, amplifying sound

• US Classifications

  • 704 - Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression
  • 369 - Dynamic information storage or retrieval