3024319

Information

• Patent Grant
• 3024319

• References
• Source

• Patent Number

  3,024,319

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1962
  62 years ago

• CPC

  • H04M3/4876 - Time announcements
  • F16D27/105 - with a helical band or equivalent member co-operating with a cylindrical coupling surface
  • F16D48/064 - Control of electrically or electromagnetically actuated clutches
  • G04C21/14 - Electro-acoustic time announcement
  • G11B5/52 - with simultaneous movement of head and record carrier
  • G11B15/34 - through non-skip drive means
  • G11B25/06 - using web-form record carriers
  • G11B33/06 - combined with other apparatus having a different main function
  • F16D2027/002 - Electric or electronic circuits relating to actuation of electromagnetic clutches
  • F16D2500/1021 - Electrical type

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 226 - Advancing material of indeterminate length
  • D14 - Recording, communication, or information retrieval equipment
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER