3517120

Information

• Patent Grant
• 3517120

• References
• Source

• Patent Number

  3,517,120

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1970
  54 years ago

• CPC

  • H04M11/027 - Annunciator systems for hospitals
  • H04N7/183 - for receiving images from a single remote source
  • Y10S128/904 - Telephone telemetry

• US Classifications

  • 725 - Interactive video distribution systems
  • 128 - Surgery
  • 340 - Communications: electrical
  • 348 - Television