3805049

Information

• Patent Grant
• 3805049

• References
• Source

• Patent Number

  3,805,049

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • G09F19/20 - with colour-mixing effects
  • 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
  • Y10S40/902 - Circuit control
  • Y10S362/811 - Psychedelic lighting

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 362 - Illumination
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER