2730713

Information

• Patent Grant
• 2730713

• References
• Source

• Patent Number

  2,730,713

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  69 years ago

• CPC

  • G01S13/876 - Combination of several spaced transponders or reflectors of known location for determining the position of a receiver
  • G01S1/02 - using radio waves
  • G01S7/08 - with vernier indication of distance
  • G01S13/10 - using transmission of interrupted pulse modulated waves

• US Classifications

  • 342 - Communications: directive radio wave systems and devices