3259755

Information

• Patent Grant
• 3259755

• References
• Source

• Patent Number

  3,259,755

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1966
  58 years ago

• CPC

  • H03K19/16 - using saturable magnetic devices
  • B66B1/50 - with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
  • G05B11/016 - using inductance means
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H03K3/315 - the devices being tunnel diodes
  • H03K17/90 - using galvano-magnetic devices
  • H03K19/10 - using tunnel diodes
  • Y10T307/766 - Condition responsive

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems