3581200

Information

• Patent Grant
• 3581200

• References
• Source

• Patent Number

  3,581,200

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • G06G7/1921 - for forming Fourier integrals, harmonic analysis and synthesis
  • G01R23/00 - Arrangements for measuring frequencies Arrangements for analysing frequency spectra

• US Classifications

  • 324 - Electricity: measuring and testing