2143398

Information

• Patent Grant
• 2143398

• References
• Source

• Patent Number

  2,143,398

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  87 years ago

• CPC

  • H04N5/228 - Circuit details for pick-up tubes
  • H04M5/10 - using separate plug for each subscriber
  • H04N5/217 - in picture signal generation in cameras comprising an electronic image sensor

• US Classifications

  • 348 - Television
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 333 - Wave transmission lines and networks