1849544

Information

• Patent Grant
• 1849544

• References
• Source

• Patent Number

  1,849,544

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1932
  92 years ago

• CPC

  • H04N1/52 - Circuits or arrangements for halftone screening
  • B41C1/04 - using heads controlled by an electric information signal
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]
  • Y10T409/30112 - Process
  • Y10T409/500492 - including provision for circumferential relative movement of cutter and work

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 033 - Geometrical instruments
  • 101 - Printing
  • 250 - Radiant energy
  • 409 - Gear cutting, milling, or planing