3549827

Information

• Patent Grant
• 3549827

• References
• Source

• Patent Number

  3,549,827

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G06F3/16 - Sound input Sound output
  • H03M2201/01 - First edition
  • H03M2201/196 - Communications systems
  • H03M2201/30 - D/A converters
  • H03M2201/412 - representing linear position
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/52 - Digital conversions
  • H03M2201/526 - Parallel/serial
  • H03M2201/712 - at input
  • H03M2201/716 - Mechanical
  • H03M2201/8192 - Photoelectric devices
  • H03M2201/844 - Servomotors
  • H03M2201/848 - Relays
  • H03M2201/856 - Shaft couplings
  • H03M2201/91 - Theory
  • H03M2201/93 - Constructional details

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 250 - Radiant energy
  • 341 - Coded data generation or conversion
  • 359 - Optical: systems and elements
  • 365 - Static information storage and retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER