3426337

Information

• Patent Grant
• 3426337

• References
• Source

• Patent Number

  3,426,337

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1969
  55 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G11B21/106 - on disks
  • H03M2201/01 - First edition
  • H03M2201/122 - Servo-systems for D/A conversion
  • H03M2201/126 - with auxiliary D/A conversion of the error signal
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/2125 - Providing an incremental position
  • H03M2201/2137 - Providing real and complementary signals
  • H03M2201/2174 - Magnetic
  • H03M2201/2185 - Photoelectric
  • H03M2201/2192 - Radiation other than visible light
  • H03M2201/32 - Intermediate conversion to time interval type
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4135 - Momentary value
  • H03M2201/417 - Amplitude modulated pulses
  • H03M2201/4175 - Time modulated pulses
  • H03M2201/418 - Width modulated pulses
  • H03M2201/4185 - Frequency modulated pulses
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4237 - Multivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4262 - Binary radix
  • H03M2201/4279 - Pure
  • H03M2201/844 - Servomotors
  • H03M2201/93 - Constructional details

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER