2559037

Information

• Patent Grant
• 2559037

• References
• Source

• Patent Number

  2,559,037

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1951
  73 years ago

• CPC

  • H03D3/22 - by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation
  • H01J21/14 - Tubes with means for concentrating the electron stream
  • H01J31/02 - having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
  • H01J2893/0029 - Electron beam tubes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 329 - Demodulators