2570939

Information

• Patent Grant
• 2570939

• References
• Source

• Patent Number

  2,570,939

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1951
  73 years ago

• CPC

  • H03C3/145 - by using semiconductor elements
  • H03J3/00 - Continuous tuning

• US Classifications

  • 334 - Tuners
  • 330 - Amplifiers
  • 331 - Oscillators
  • 332 - Modulators
  • 333 - Wave transmission lines and networks