3739346

Information

• Patent Grant
• 3739346

• References
• Source

• Patent Number

  3,739,346

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • H04M11/06 - Simultaneous speech and telegraphic or other data transmission over the same conductors
  • G06K1/06 - Manually-controlled device
  • G06K17/00 - Methods or arrangements for effecting co-operative working between equipments covered by two or more of the preceding main groups

• US Classifications

  • 714 - Error detection/correction and fault detection/recovery