2184843

Information

• Patent Grant
• 2184843

• References
• Source

• Patent Number

  2,184,843

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1939
  85 years ago

• CPC

  • H04L27/04 - Modulator circuits Transmitter circuits
  • G01S1/02 - using radio waves
  • G01S1/44 - Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems