3627228

Information

• Patent Grant
• 3627228

• References
• Source

• Patent Number

  3,627,228

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  53 years ago

• CPC

  • G11B27/22 - Means responsive to presence or absence of recorded information signals
  • G06M3/021 - with drums type indicating means
  • G11B15/10 - Manually-operated control Solenoid-operated control
  • G11B27/34 - Indicating arrangements

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 235 - Registers
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER