2133811

Information

• Patent Grant
• 2133811

• References
• Source

• Patent Number

  2,133,811

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • H04N1/0678 - using a lead-screw or worm
  • H04M11/06 - Simultaneous speech and telegraphic or other data transmission over the same conductors
  • H04N1/00103 - specially adapted for radio transmission
  • H04N1/06 - using cylindrical picture-bearing surfaces
  • H04N1/0886 - Mounting the sheet from a roll
  • H04N1/36 - for synchronising or phasing transmitter and receiver
  • Y10T74/19633 - Yieldability in gear trains
  • Y10T74/2102 - Adjustable

• US Classifications

  • 379 - Telephonic communications