3505601

Information

• Patent Grant
• 3505601

• References
• Source

• Patent Number

  3,505,601

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • H04B14/066 - using differential modulation with several bits [NDPCM]
  • H04B1/62 - for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver
  • H04B14/02 - characterised by the use of pulse modulation
  • H04J3/10 - Arrangements for reducing cross-talk between channels

• US Classifications

  • 375 - Pulse or digital communications
  • 370 - Multiplex communications
  • 704 - Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression