3544780

Information

• Patent Grant
• 3544780

• References
• Source

• Patent Number

  3,544,780

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • H03K17/78 - using opto-electronic devices
  • G06E1/04 - for performing computations using exclusively denominational number representation
  • G06F7/388 - using other various devices such as electro-chemical, microwave, surface acoustic wave, neuristor, electron beam switching, resonant
  • G06F7/4824 - using signed-digit representation
  • G06F7/64 - Digital differential analysers
  • G06G7/16 - for multiplication or division
  • G06J1/00 - Hybrid computing arrangements
  • G11B20/16 - using non self-clocking codes
  • H03D13/00 - Circuits for comparing the phase or frequency of two mutually-independant oscillations
  • H03K5/26 - the characteristic being duration, interval, position, frequency, or sequence
  • 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

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER