3302904

Information

• Patent Grant
• 3302904

• References
• Source

• Patent Number

  3,302,904

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  58 years ago

• CPC

  • H02P5/50 - by comparing electrical values representing the speeds
  • B65G51/24 - Switches
  • H03L7/18 - using a frequency divider or counter in the loop

• US Classifications

  • 406 - Conveyors: fluid current