3409842

Information

• Patent Grant
• 3409842

• References
• Source

• Patent Number

  3,409,842

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • H03B5/34 - active element in amplifier being vacuum tube
  • F16P3/14 - the means being photocells or other devices sensitive without mechanical contact
  • F16P3/148 - using capacitive technology
  • Y10T307/766 - Condition responsive

• US Classifications

  • 331 - Oscillators
  • 192 - Clutches and power-stop control
  • 307 - Electrical transmission or interconnection systems
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices