3144637

Information

• Patent Grant
• 3144637

• References
• Source

• Patent Number

  3,144,637

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1964
  60 years ago

• CPC

  • H04N5/257 - Picture signal generators using flying-spot scanners
  • G03B17/24 - with means for separately producing marks on the film
  • G11B7/08 - Disposition or mounting of heads or light sources relatively to record carriers
  • G11B7/09 - with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation
  • G11B20/1261 - on films
  • G11B20/1423 - Code representation depending on subsequent bits
  • G11B27/322 - used signal is digitally coded
  • G11C13/04 - using optical elements using other beam accessed elements
  • G11C13/048 - using other optical storage elements

• US Classifications

  • 365 - Static information storage and retrieval
  • 250 - Radiant energy
  • 347 - Incremental printing of symbolic information
  • 348 - Television
  • 355 - Photocopying
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER