2638549

Information

• Patent Grant
• 2638549

• References
• Source

• Patent Number

  2,638,549

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  72 years ago

• CPC

  • H03K4/16 - using a single tube with positive feedback through transformer
  • H03B19/12 - using division only
  • H04N5/06 - Generation of synchronising signals

• US Classifications

  • 331 - Oscillators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 348 - Television
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems