3424871

Information

• Patent Grant
• 3424871

• References
• Source

• Patent Number

  3,424,871

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1969
  55 years ago

• CPC

  • H03F1/302 - in bipolar transistor amplifiers
  • G05F1/648 - being plural resistors among which a selection is made
  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • G11B15/18 - Driving Starting Stopping Arrangements for control or regulation thereof
  • G11B19/28 - Speed controlling, regulating, or indicating
  • H02P7/063 - using centrifugal devices
  • H02P7/29 - using pulse modulation
  • H03F1/30 - Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
  • G11B2005/0002 - Special dispositions or recording techniques
  • Y10S388/924 - Centrifugal device

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 388 - Electricity: motor control systems