3838278

Information

• Patent Grant
• 3838278

• References
• Source

• Patent Number

  3,838,278

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • H04Q3/526 - Optical switching systems
  • H04J14/08 - Time-division multiplex systems

• US Classifications

  • 250 - Radiant energy
  • 398 - Optical communications