2197523

Information

• Patent Grant
• 2197523

• References
• Source

• Patent Number

  2,197,523

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1940
  84 years ago

• CPC

  • H01J29/465 - for simultaneous focalisation and deflection of ray or beam
  • H01J29/74 - Deflecting by electric fields only
  • H01J29/76 - Deflecting by magnetic fields only
  • H01J29/80 - Arrangements for controlling the ray or beam after passing the main deflection system

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices