3297981

Information

• Patent Grant
• 3297981

• References
• Source

• Patent Number

  3,297,981

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1967
  58 years ago

• CPC

  • G06G7/1914 - using a magnetic medium, a linear filter
  • G01V1/366 - by correlation of seismic signals
  • G01V1/375 - Correlating received seismic signals with the emitted source signal

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 324 - Electricity: measuring and testing
  • 367 - Communications, electrical: acoustic wave systems and devices