3147374

Information

• Patent Grant
• 3147374

• References
• Source

• Patent Number

  3,147,374

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1964
  60 years ago

• CPC

  • H03C3/28 - using variable impedance driven mechanically or acoustically

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 361 - Electricity: electrical systems and devices