3525926

Information

• Patent Grant
• 3525926

• References
• Source

• Patent Number

  3,525,926

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • H03G1/0047 - using photo-electric elements
  • G01S7/4052 - by simulation of echoes
  • G01S2007/4082 - using externally generated reference signals

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 250 - Radiant energy
  • 361 - Electricity: electrical systems and devices