3271732

Information

• Patent Grant
• 3271732

• References
• Source

• Patent Number

  3,271,732

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1966
  58 years ago

• CPC

  • G06G7/1914 - using a magnetic medium, a linear filter
  • G01V1/366 - by correlation of seismic signals
  • G06E3/001 - Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements

• US Classifications

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