2817025

Information

• Patent Grant
• 2817025

• References
• Source

• Patent Number

  2,817,025

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • H04N5/58 - in dependence upon ambient light
  • B06B3/02 - involving a change of amplitude
  • B06B3/04 - involving focusing or reflecting
  • H04Q9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
  • Y10S116/30 - Remote TV tuner
  • Y10T307/773 - Light, heat, vibratory or radiant energy
  • Y10T307/944 - Power circuit controlled

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 116 - Signals and indicators
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 329 - Demodulators
  • 334 - Tuners
  • 361 - Electricity: electrical systems and devices
  • 455 - Telecommunications