3459929

Information

• Patent Grant
• 3459929

• References
• Source

• Patent Number

  3,459,929

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

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

• US Classifications

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