2912510

Information

• Patent Grant
• 2912510

• References
• Source

• Patent Number

  2,912,510

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1959
  65 years ago

• CPC

  • H03K3/281 - using at least two transistors so coupled that the input of one is derived from the output of another
  • H03K3/26 - by the use, as active elements, of bipolar transistors with internal or external positive feedback
  • H04Q1/18 - Electrical details
  • H04Q3/00 - Selecting arrangements
  • H04Q3/0004 - using crossbar selectors in the switching stages

• US Classifications

  • 379 - Telephonic communications