3643125

Information

• Patent Grant
• 3643125

• References
• Source

• Patent Number

  3,643,125

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • H04N9/285 - using quadrupole lenses
  • H01J29/764 - using toroidal windings
  • Y10T29/49071 - by winding or coiling

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 348 - Television