3459931

Information

• Patent Grant
• 3459931

• References
• Source

• Patent Number

  3,459,931

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • G01V1/375 - Correlating received seismic signals with the emitted source signal
  • G01V1/366 - by correlation of seismic signals
  • G06G7/1914 - using a magnetic medium, a linear filter
  • G06G7/1928 - for forming correlation integrals; for forming convolution integrals
  • G01S7/352 - Receivers
  • G01V2210/30 - Noise handling

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 324 - Electricity: measuring and testing