3215981

Information

• Patent Grant
• 3215981

• References
• Source

• Patent Number

  3,215,981

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1965
  59 years ago

• CPC

  • G06K9/66 - references adjustable by an adaptive method
  • H03H15/00 - Transversal filters
  • H03H17/02 - Frequency selective networks
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/196 - Communications systems
  • H03M2201/2111 - using a pure representation
  • H03M2201/2185 - Photoelectric
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/311 - with plural stages
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3142 - Series network
  • H03M2201/3168 - Resistors
  • H03M2201/3178 - Capacitors
  • H03M2201/412 - representing linear position
  • H03M2201/4175 - Time modulated pulses
  • H03M2201/418 - Width modulated pulses
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4279 - Pure
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/712 - at input
  • H03M2201/716 - Mechanical
  • H03M2201/8128 - Diodes
  • H03M2201/8132 - Transistors
  • H03M2201/8192 - Photoelectric devices
  • H03M2201/847 - Switches

• US Classifications

  • 382 - Image analysis
  • 333 - Wave transmission lines and networks