3770176

Information

• Patent Grant
• 3770176

• References
• Source

• Patent Number

  3,770,176

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • G11B33/06 - combined with other apparatus having a different main function
  • G04C21/28 - by closing a contact to put into action electro-acoustic means
  • G11B15/02 - Control of operating function
  • G11B15/18 - Driving Starting Stopping Arrangements for control or regulation thereof

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 968 - Horology
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER