3154640

Information

• Patent Grant
• 3154640

• References
• Source

• Patent Number

  3,154,640

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1964
  60 years ago

• CPC

  • H04L15/22 - Apparatus or circuits for sending one or a restricted number of signals

• US Classifications

  • 178 - Telegraphy
  • 345 - Computer graphics processing and selective visual display systems