3834806

Information

• Patent Grant
• 3834806

• References
• Source

• Patent Number

  3,834,806

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • G01F23/226 - measuring the braking of a rotatable element
  • G01F23/2966 - making use of acoustical resonance or standing waves
  • G03G15/0856 - Detection or control means for the developer level
  • G03G15/086 - the level being measured by electro-magnetic means
  • Y10S222/01 - Xerography

• US Classifications

  • 399 - Electrophotography
  • 073 - Measuring and testing
  • 118 - Coating apparatus
  • 222 - Dispensing