2662118

Information

• Patent Grant
• 2662118

• References
• Source

• Patent Number

  2,662,118

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1953
  71 years ago

• CPC

  • H04Q1/4423 - using one signalling frequency
  • H01H1/60 - Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
  • H03F1/54 - with tubes only
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H04B1/64 - Volume compression or expansion arrangements
  • H04B14/062 - using delta modulation or one-bit differential modulation [1DPCM]
  • H04J1/14 - Arrangements providing for calling or supervisory signals
  • C10M2209/00 - Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
  • C10M2209/02 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C10M2209/10 - Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • H03M2201/01 - First edition
  • H03M2201/1127 - in which the digital generator is adjusted in a predetermined direction regardless of the sign of the error
  • H03M2201/196 - Communications systems
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/3178 - Capacitors
  • H03M2201/4135 - Momentary value
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4279 - Pure
  • H03M2201/8108 - Vacuum tubes

• US Classifications

  • 375 - Pulse or digital communications
  • 341 - Coded data generation or conversion