2218905

Information

• Patent Grant
• 2218905

• References
• Source

• Patent Number

  2,218,905

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • H03J5/08 - Settings determined by a number of separately-actuated positioning means
  • H03J1/187 - the auxiliary power balancing automatically a Wheatstone bridge or the like, that has been unbalanced by the controlling device
  • H03J3/12 - Electrically-operated arrangements for indicating correct tuning
  • H03J7/042 - with reactance tube

• US Classifications

  • 334 - Tuners
  • 318 - Electricity: motive power systems
  • 455 - Telecommunications