2658186

Information

• Patent Grant
• 2658186

• References
• Source

• Patent Number

  2,658,186

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1953
  71 years ago

• CPC

  • G01S7/521 - Constructional features
  • G01S15/42 - Simultaneous measurement of distance and other co-ordinates
  • G01S15/876 - Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
  • H01Q15/0073 - said selective devices having corrugations

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 342 - Communications: directive radio wave systems and devices