2620394

Information

• Patent Grant
• 2620394

• References
• Source

• Patent Number

  2,620,394

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1952
  72 years ago

• CPC

  • H03M5/00 - Conversion of the form of the representation of individual digits
  • H04L13/184 - Photographic printing and recording
  • H04L17/30 - using electric or electronic translation
  • H04L21/00 - Apparatus or local circuits for mosaic printer telegraph systems
  • H04L25/49 - using code conversion at the transmitter using predistortion using insertion of idle bits for obtaining a desired frequency spectrum using three or more amplitude levels; Baseband coding techniques specific to data transmission systems
  • H04L25/4902 - Pulse width modulation; Pulse position modulation
  • H04L25/4917 - using multilevel codes

• US Classifications

  • 178 - Telegraphy
  • 235 - Registers
  • 315 - Electric lamp and discharge devices: systems