3659055

Information

• Patent Grant
• 3659055

• References
• Source

• Patent Number

  3,659,055

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • H04Q1/32 - using trains of dc pulses
  • G01R29/0273 - the pulse characteristic being duration
  • H03K5/01 - Shaping pulses

• US Classifications

  • 375 - Pulse or digital communications
  • 178 - Telegraphy
  • 379 - Telephonic communications