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Class 118/691 - Photoelectric sensor


Subclass of Class 118 - Coating apparatus
Definition: Apparatus wherein the means for measuring the quantity of
No. of patents: 106
Last issue date: 07/31/2007


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NumberTitleIssue Date
7250724Plasma display panel including dummy electrodes in non-display area
A plasma display panel having an active area and a non-display area positioned at the outside of the active area wherein dummy electrodes positioned within said non-display area have a narrower gap between electrodes than sustain electrode pairs positioned within sa...
07/31/2007
7236448Optical information recording medium and information recording method using the recording medium
An optical information recording medium including a ROM region in which pits are previously formed at a track pitch (P); and a RAM region including a groove which is to be exposed to laser light to form at least one of a pit and a mark therein and to record informat...
06/26/2007
7087118Coating film forming apparatus and coating unit
A coating film forming apparatus for forming a film by applying a coating solution to a substrate, which is provided with a cassette section, coating unit, developing unit, pre-treatment/post-treatment units and a main arm for transferring the substrate between the ...
08/08/2006
6946157Method and apparatus for monitoring the coating on particle during manufacturing of a pharmaceutical product
In a method of monitoring the formation of a coating on a single particle (P), an apparatus is used which comprises means (2,5,6,9) for arranging said particle (P) at a given spatial location, and a fluid supply unit (3) adapted to apply a coating flui...
09/20/2005
6863730Coating die with laser position sensors
An apparatus including: a movement device that moves an object to be coated; a slot die coater equipped with a position sensor mounted on at least one end of the slot die coater and which slot die coater controllably dispenses coating material onto the moving object...
03/08/2005
6859629Image forming apparatus having developer container with light transmitting window used for remaining developer amount detection
A developer container for accommodating a developer used for developing an electrostatic latent image formed on an electrophotographic photosensitive member by a developing member for developing the electrostatic latent image includes, a first light-transmitting win...
02/22/2005
6522009Apparatus to electroless plate a metal layer while eliminating the photo electric effect
A new method of electroless plating a metal layer onto a semiconductor substrate in the manufacture of an integrated circuit device has been achieved. A semiconductor substrate is provided. A metal layer is electroless plated onto the semiconductor substr...
02/18/2003
6370342Toner concentration sensor
A toner concentration sensor has a pair of optical members for optically coupling a light emitting device and a photodetector. The optical members are disposed with a gap therebetween for introducing liquid developer to measure transparency of the liquid ...
04/09/2002
6364953Method and apparatus for making aerogel film
A method for making an aerogel film includes the steps of performing a gelation reaction of a metal alkoxide on a substrate to prepare a substrate with a wet-gel film, and converting the wet-gel film into an aerogel film by a supercritical or sub-critical...
04/02/2002
6061535Developing cartridge, for a revolver type developing device, with sensing means for sensing the remaining toner
A developing cartridge for developing a latent image formed on the photosensitive member, wherein the developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus, the developing cartridge includes a ca...
05/09/2000
6033503Adhesive sensing assembly for end jointed beam
Methods and apparatus for detecting imperfections in adhesive coatings formed on fingers of beams are disclosed. The present invention relates, in one aspect, to a method for preparing a first work piece for joining with a second work piece. The method in...
03/07/2000
6016408Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus
A developing cartridge for developing a latent image formed on a photosensitive member, which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a developing member for developing a latent image formed o...
01/18/2000
5991559Solute concentration control method and apparatus
A control apparatus for controlling a concentration of a solute having a predetermined optical absorption characteristic is disclosed. A cell holding member has a plurality of cells formed therein, one of which is placed at a predetermined detection posit...
11/23/1999
5980975Thin-film-coated substrate manufacturing methods having improved film formation monitoring and manufacturing apparatus
The present invention is directed to providing thin-film-coated substrate manufacturing methods and apparatus that make it possible to manufacture large thin-film-coated substrates such as anti-reflection filters using relatively small production faciliti...
11/09/1999
5916626HMDS supplying apparatus
An HMDS supplying apparatus capable of sensing the flow of hexamethyldisilazane through a flowmeter and to control the amount thereof which is flowing, to thereby prevent a lowering of productivity due to inadequate or excessive flow amounts. The HMDS sup...
06/29/1999
5897240Concentration measuring device of electrographic printer
A concentration measuring device, in an electrographic printer, for measuring the concentration of developer liquid supplied from a mixing container to a development device. The concentration measuring device includes a variable thickness body installed b...
04/27/1999
5860041Device for measuring toner concentration in developer comprising toner and carrier
A device for measuring toner concentration of developer housed in a developing system, which developer comprising toner and carrier. The device has a transparent detection window facing the interior of the developing system, which transparent detection wi...
01/12/1999
5810928Method of measuring gas component concentrations of special material gases for semiconductor, a semiconductor equipment, and an apparatus for supplying special material gases for semiconductor
A method of measuring gas component Concentrations of special material gases for semiconductor, and a semiconductor equipment are provided. The method and apparatus can be incorporated in a gas pipe line system in an inline manner, and measure the compone...
09/22/1998
5682574Developing apparatus having reciprocating cleaning device for photodetector
A developing apparatus for developing a latent image formed on an electrophotographic photosensitive member include a toner container for containing toner to be used for developing the latent image, a light transmitting member for transmitting light for d...
10/28/1997
5678126Filming attenuation correcting toner concentration sensor assembly and method
A filming attenuation correcting toner concentration sensor assembly and method of controlling in a container, a concentration of a mixture that includes a light absorbing substance and a clear liquid carrier in solution, while correcting the effects of c...
10/14/1997
5625857Image forming apparatus which measures deposit amounts of toner
In an image forming apparatus using an electro-photographic process, using a plurality of colors of toner including black toner, a reflectance of a base medium on which a toner image is formed is higher than that of black toner itself and lower than that ...
04/29/1997
5621221Toner end detection device and method
An apparatus and method for detecting an empty condition of toner cartridges containing toner for copiers, fax machines, printers and the like is disclosed. The cartridges may be mounted to a rotary developing device. According to one embodiment, when a t...
04/15/1997
5617188Developing apparatus provided with a portable developing unit for supporting a plurality of developing devices
A developing apparatus has a rotatable developing unit having a plurality of developing devices each provided with a containing portion for containing a developer and a carrying member carrying the developer, a light emitting element for applying light to...
04/01/1997
5601649Oxide superconducting film manufacturing apparatus
Disclosed herein is an apparatus for manufacturing an oxide superconducting film employing laser ablation method. This apparatus has a thin film forming chamber having a laser-transparent laser entrance window, a target being provided in the thin film for...
02/11/1997
5534066Fluid delivery apparatus having an infrared feedline sensor
An apparatus for processing a layer on a workpiece includes a source of reactant fluid, a reaction chamber having a support for the workpiece and a fluid delivery apparatus for feeding an input fluid into the reaction chamber with the input fluid being ut...
07/09/1996
5489338Oxide superconducting film manufacturing apparatus
An apparatus for manufacturing an oxide superconducting film employing laser ablation method having a thin film forming chamber having a laser-transparent laser entrance window, a target being provided in the thin film forming chamber and containing compo...
02/06/1996
5402209Electrophotographic reproduction apparatus controllable toner density and method thereof for controlling an electrophotographic reproduction process
An apparatus includes a system controller which calculates a ratio of a first signal to a second signal and adjusts a control parameter of an electrophotographic reproduction process so that the density of fog indicated by the ratio is within a predetermi...
03/28/1995
5317369Apparatus for detecting toner in image forming apparatus
An apparatus for detecting an amount of toner in a toner casing. A sensor detects the magnetic flux density of the toner in the toner casing and generates detection signals. A sampling device samples the detection signals. A selecting device selects a sig...
05/31/1994
5276481Method and apparatus for optically measuring toner density
An apparatus for optically measuring toner density, having a rotary member which rotates and retains a developer constituted by a toner and a carrier by magnetic force, a transparent detection window which is disposed at a position where the developer ret...
01/04/1994
5270784Image forming apparatus having means for measuring the amount of developing agent on the image carrier
An image forming apparatus includes a measuring for measuring an amount of a toner agent deposited on the image carrier. The measuring device has measuring section facing the image carrier, and a conductive cover plate arranged between the measuring secti...
12/14/1993
5253018Toner image density detecting mechanism for image forming apparatus
The present invention relates to a toner image density detecting mechanism for an image forming apparatus which includes an image bearing layer supported on a rotatable cylindrical member, a device for forming a plurality of toner reference patterns on th...
10/12/1993
5216469Apparatus for controlling toner density in a developing device of an electrophotographic or electrostatic image forming apparatus
A developing device in an image forming apparatus has a developing sleeve through which a two-component toner material is applied onto a photosensitive surface. The developing device has an optical sensor assembly including a sensor casing opening towards...
06/01/1993
5200783Black image density correcting device
An image density correcting device for a color copying machine capable of producing monochrome copies and full color copies, the device including a toner density detecting means for detecting the toner density of a toner image transferred on a transfer me...
04/06/1993
5200021Method and apparatus for vapor deposition
A method for vapor deposition includes monitoring of growth of a semiconductor layer by way of in-situ monitoring. According to the invention, in-situ monitoring is performed by irradiating a light beam onto the surface of the growing layer in a direction...
04/06/1993
5194297System and method for accurately depositing particles on a surface
A particle deposition system having an atomizer, wafer transport, sheath flow means, particle counter and computer control for accurately depositing a desired density of particles onto a surface. The sheath flow keeps an article clean, while the particle ...
03/16/1993
5162131Method and equipment for measurement and regulation of quantity of coating
A method is provided for measuring and regulating the quantity of coating in surface sizing or pigmenting of paper or board, wherein the coating agent is spread by means of a coating device in the form of a film onto the face of a roll in a size press. Th...
11/10/1992
5157440Toner density sensing device for image forming equipment
A device incorporated in image forming equipment for sensing the density of a reference toner image formed on a photoconductive element by illuminating the toner image by light issuing from a light emitting element, and causing the light reflected from or...
10/20/1992
5149374Device for forming LB film
An LB film forming device according to the present invention having a packing control device by which a barrier is moved under the control of the packing control device to compress a sample until the sample spreading over the surface of a subphase liquid ...
09/22/1992
5146274Toner density measurement apparatus having output characteristics variable with humidity
A photoelectronic image forming apparatus reproduces an image on the basis of an electrostatic latent image produced on a photo-sensitive body by using a developer containing a toner and a carrier, and comprises a plurality of toner density measuring unit...
09/08/1992
5117259Apparatus for measuring developer density
Apparatus for measuring developer density comprising, a container containing a developer constituted by a toner and a carrier, a rotary member agitating the developer in the container with its rotation, a transparent detection window facing the container,...
05/26/1992
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