3561856

Information

• Patent Grant
• 3561856

• References
• Source

• Patent Number

  3,561,856

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  54 years ago

• CPC

  • G11B15/685 - the cassettes being arranged in a single level
  • G03B23/044 - whereby the picture is returned to the same stock
  • G03B23/06 - with rotary movement
  • G03B31/06 - in which sound track is associated with successively-shown still pictures

• US Classifications

  • 353 - Optics: image projectors
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER