3128459

Information

• Patent Grant
• 3128459

• References
• Source

• Patent Number

  3,128,459

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1964
  60 years ago

• CPC

  • G06K9/4609 - by matching or filtering
  • H03K23/82 - using gas-filled tubes
  • H03M1/808 - using resistors

• US Classifications

  • 341 - Coded data generation or conversion
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems