3555549

Information

• Patent Grant
• 3555549

• References
• Source

• Patent Number

  3,555,549

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  54 years ago

• CPC

  • G01S13/16 - using counters
  • G01S13/103 - particularities of the measurement of the distance
  • G04F10/04 - by counting pulses or half-cycles of an alternating current

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 968 - Horology