3426270

Information

• Patent Grant
• 3426270

• References
• Source

• Patent Number

  3,426,270

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1969
  56 years ago

• CPC

  • G01V1/366 - by correlation of seismic signals
  • G06G7/1914 - using a magnetic medium, a linear filter

• US Classifications

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