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Class Information
Number: 118/691
Name: Coating apparatus > Control means responsive to a randomly occurring sensed condition > Responsive to condition of coating material > Concentration of coating material in carrier medium > Photoelectric sensor
Description: Apparatus wherein the means for measuring the quantity of one of the components of the coating material is composed of a light transmitting device and a light responsive device between which the coating material passes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588643 |
Method and apparatus for measuring amount of coating on paper web |
Sep. 15, 2009 |
| 7485189 |
Thin film deposition device using an FTIR gas analyzer for mixed gas supply |
Feb. 3, 2009 |
| 7087118 |
Coating film forming apparatus and coating unit |
Aug. 8, 2006 |
| 6946157 |
Method and apparatus for monitoring the coating on particle during manufacturing of a pharmaceutical product |
Sep. 20, 2005 |
| 6863730 |
Coating die with laser position sensors |
Mar. 8, 2005 |
| 6859629 |
Image forming apparatus having developer container with light transmitting window used for remaining developer amount detection |
Feb. 22, 2005 |
| 6522009 |
Apparatus to electroless plate a metal layer while eliminating the photo electric effect |
Feb. 18, 2003 |
| 6370342 |
Toner concentration sensor |
Apr. 9, 2002 |
| 6364953 |
Method and apparatus for making aerogel film |
Apr. 2, 2002 |
| 6061535 |
Developing cartridge, for a revolver type developing device, with sensing means for sensing the remaining toner |
May. 9, 2000 |
| 6033503 |
Adhesive sensing assembly for end jointed beam |
Mar. 7, 2000 |
| 6016408 |
Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus |
Jan. 18, 2000 |
| 5991559 |
Solute concentration control method and apparatus |
Nov. 23, 1999 |
| 5980975 |
Thin-film-coated substrate manufacturing methods having improved film formation monitoring and manufacturing apparatus |
Nov. 9, 1999 |
| 5916626 |
HMDS supplying apparatus |
Jun. 29, 1999 |
| 5897240 |
Concentration measuring device of electrographic printer |
Apr. 27, 1999 |
| 5860041 |
Device for measuring toner concentration in developer comprising toner and carrier |
Jan. 12, 1999 |
| 5810928 |
Method of measuring gas component concentrations of special material gases for semiconductor, a semiconductor equipment, and an apparatus for supplying special material gases for semiconductor |
Sep. 22, 1998 |
| 5682574 |
Developing apparatus having reciprocating cleaning device for photodetector |
Oct. 28, 1997 |
| 5678126 |
Filming attenuation correcting toner concentration sensor assembly and method |
Oct. 14, 1997 |
| 5625857 |
Image forming apparatus which measures deposit amounts of toner |
Apr. 29, 1997 |
| 5621221 |
Toner end detection device and method |
Apr. 15, 1997 |
| 5617188 |
Developing apparatus provided with a portable developing unit for supporting a plurality of developing devices |
Apr. 1, 1997 |
| 5601649 |
Oxide superconducting film manufacturing apparatus |
Feb. 11, 1997 |
| 5534066 |
Fluid delivery apparatus having an infrared feedline sensor |
Jul. 9, 1996 |
| 5489338 |
Oxide superconducting film manufacturing apparatus |
Feb. 6, 1996 |
| 5402209 |
Electrophotographic reproduction apparatus controllable toner density and method thereof for controlling an electrophotographic reproduction process |
Mar. 28, 1995 |
| 5317369 |
Apparatus for detecting toner in image forming apparatus |
May. 31, 1994 |
| 5276481 |
Method and apparatus for optically measuring toner density |
Jan. 4, 1994 |
| 5270784 |
Image forming apparatus having means for measuring the amount of developing agent on the image carrier |
Dec. 14, 1993 |
| 5253018 |
Toner image density detecting mechanism for image forming apparatus |
Oct. 12, 1993 |
| 5216469 |
Apparatus for controlling toner density in a developing device of an electrophotographic or electrostatic image forming apparatus |
Jun. 1, 1993 |
| 5200783 |
Black image density correcting device |
Apr. 6, 1993 |
| 5200021 |
Method and apparatus for vapor deposition |
Apr. 6, 1993 |
| 5194297 |
System and method for accurately depositing particles on a surface |
Mar. 16, 1993 |
| 5162131 |
Method and equipment for measurement and regulation of quantity of coating |
Nov. 10, 1992 |
| 5157440 |
Toner density sensing device for image forming equipment |
Oct. 20, 1992 |
| 5149374 |
Device for forming LB film |
Sep. 22, 1992 |
| 5146274 |
Toner density measurement apparatus having output characteristics variable with humidity |
Sep. 8, 1992 |
| 5117259 |
Apparatus for measuring developer density |
May. 26, 1992 |
| 4998141 |
Electret toner concentration monitor |
Mar. 5, 1991 |
| 4981726 |
Method and apparatus for dispensing coating materials on a moving substrate with a smoothing member and supporting structure |
Jan. 1, 1991 |
| 4980726 |
Toner density control device for an image forming apparatus |
Dec. 25, 1990 |
| 4974025 |
Method of controlling toner concentration in electrophotographic developing apparatus |
Nov. 27, 1990 |
| 4965634 |
Image recording apparatus capable of controlling image density |
Oct. 23, 1990 |
| 4963929 |
Cleaning device for toner detecting sensor |
Oct. 16, 1990 |
| 4951088 |
Toner mass developed control ratio modification system |
Aug. 21, 1990 |
| 4949399 |
Development station engageable with toner monitor |
Aug. 14, 1990 |
| 4931132 |
Optical control of deposition of crystal monolayers |
Jun. 5, 1990 |
| 4883019 |
Image forming apparatus having developer content detector |
Nov. 28, 1989 |
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