3051793

Information

• Patent Grant
• 3051793

• References
• Source

• Patent Number

  3,051,793

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1962
  62 years ago

• CPC

  • H04Q3/521 - using semiconductors in the switching stages
  • H03K17/60 - using bipolar transistors
  • H03K17/6242 - with several inputs only and without selecting means
  • H03K17/6257 - with several inputs only combined with selecting means
  • H03K17/74 - using diodes
  • H03K17/81 - Switching arrangements with several input- or output-terminals
  • H04Q3/00 - Selecting arrangements

• US Classifications

  • 379 - Telephonic communications
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 340 - Communications: electrical