3852726

Information

• Patent Grant
• 3852726

• References
• Source

• Patent Number

  3,852,726

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  49 years ago

• CPC

  • G06M1/274 - using magnetic means using Hall-effect devices

• US Classifications

  • 340 - Communications: electrical
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets