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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 399/64 - Optical detector


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein a means or method is provided for
No. of patents: 93
Last issue date: 09/20/2011


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NumberTitleIssue Date
8023848Density measuring device, liquid developer storing apparatus, and image forming apparatus
A density measuring device includes a moving member that can be moved in a liquid, a light emitting member and a light receiving member that receives light emitted by the light emitting member. A gap part in which the moving member is disposed in a path of light emi...
09/20/2011
8005386Image forming apparatus having density sensor for developer bearing member
In an image forming apparatus having a toner density sensor which emits light to a developer carried on a developing sleeve and which detects developer density by a reflection output value from the developer, when a reflection output value when the developer is init...
08/23/2011
7877031Image forming apparatus having toner density control
An image forming apparatus capable of setting a criterion individually for respective image forming apparatuses, which is used in determining whether or not a developer is properly supplied to a developing unit, thereby stabilizing a developer toner density. With a ...
01/25/2011
7860416Image forming apparatus
An image forming apparatus which is capable of decreasing the failure rate by improving a photocatalytic material and utilization efficiency thereof, and by decomposing substances that cannot be completely removed with a cleaning member or by not causing the substan...
12/28/2010
7756432Image forming apparatus and cartridge having optical detection of toner amount
An image forming apparatus is described. The image forming apparatus includes a first casing accommodating a developing agent and having a first opening, an agitating member rotatably provided in the first casing and agitating the developing agent, a detection devic...
07/13/2010
7593657Powder transferring device capable of detecting an amount of the powder
A powder transferring apparatus provided with a powder electrostatic transferring device includes a plurality of transferring electrodes configured to generate an electric field for transferring the powder by an electrostatic force including a powder transferring am...
09/22/2009
7391981Developer supply container and image forming apparatus
A developer supply container detachably mountable to a main assembly of an image forming apparatus, with the image forming apparatus including a remaining amount detecting portion for detecting an amount of remaining developer by receiving light from a light emittin...
06/24/2008
7330290Image forming apparatus
An image forming apparatus adds a plurality of dots of image data in the subscanning direction and starts generating a density from a particular pixel, and switches PWM (Pulse Width Modulation) right and left phases in order to concentrate potentials and to increase...
02/12/2008
7292797Toner quantity measuring device, method of measuring toner quantity and image forming apparatus
A toner quantity measuring device, a method of measuring toner quantity and an image forming apparatus are provided that can accurately measure the toner quantity in an environmentally friendly manner, without having to make contact with a toner carrier and within a...
11/06/2007
7283766Process cartridge and image forming apparatus
A process cartridge detachably mountable to an electrophotographic image forming apparatus main assembly forms an image on recording material. The cartridge is transportable with the apparatus while being set therein. The cartridge includes a frame, an electrophotog...
10/16/2007
7194216Method and apparatus for measuring toner concentration
A device to measure toner concentration can include a selector that selects a type of developer material to be measured and a sensor that detects an amount of light reflected off a developer material. A controller within the device can determine a value correspondin...
03/20/2007
7194215Process cartridge comprising memory medium storing information for selecting one of a plurality of alternating voltages applied to charging member and such a memory medium
A memory medium is provided to a cartridge detachably mountable to an image forming apparatus. Into the memory medium, as information for performing charge control, information on the amount of usage of an image-bearing member and information on a charging alternati...
03/20/2007
7181147Image forming apparatus, developing unit and storage medium
An image forming apparatus including a first unit having a developer container holding developer containing toner and carrier, and a developer holder to hold and transfer the developer held in the developer container, a second unit to supply toner to the developer c...
02/20/2007
7162174Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable
A process cartridge detachably mountable to a main assembly of an apparatus, includes a drum, a developing member, a cartridge frame including a developer accommodating portion, a first light guide adjacent one end of the cartridge frame and a leading end with respe...
01/09/2007
7155140Process cartridge and image forming apparatus
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus for forming an image on a recording material, the process cartridge being transportable with the electrophotographic image forming apparatus while being set...
12/26/2006
7139087Image formation system, image formation apparatus, image formation method and computer products
A color copying machine for outputting a draft image has a preparing unit for preparing calibration data containing its scanner's calibration patterns to be output from a printer of the color copying machine, and a correcting unit for correcting the draft image inpu...
11/21/2006
7122800Optical density sensor
An optical density sensor disposed over a target surface in an image formation apparatus comprises an integrating cavity having a diffuse, reflective interior surface and a view port formed therein. An optical source directs light through the view port onto the targ...
10/17/2006
7095964Image forming apparatus determining an indicating level of a utilized amount of a developing apparatus and a control method thereof
The image forming apparatus, to which a developing apparatus for developing a latent image on an image bearing member corresponding to image information is detachably attachable, includes, a first detection device for detecting an amount of developer in the developi...
08/22/2006
7072594Developing apparatus, process cartridge, and image forming apparatus
A developing apparatus is for developing a latent image formed on an image bearing member. The apparatus includes: a developer accommodating portion for accommodating the developer; a developing device for developing the latent image; a light transmitting portion, p...
07/04/2006
7061616Optical transceiver and method for image density measurement
An optical transceiver measures optical density of a toned image. The optical transceiver comprises: a) a bifurcated optical bundle having first and second branches and a common end, each branch having a first plurality of fibers a...
06/13/2006
7035560Image forming apparatus having charging member supplied with a plurality of alternating voltages and memory for storing information for selecting the voltages
A memory medium is provided to a cartridge detachably mountable to an image forming apparatus. Into the memory medium, as information for performing charge control, information on the amount of usage of an image-bearing member and information on a charging alternati...
04/25/2006
6978099Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge
The present invention relates to a developing apparatus for developing an electrostatic latent image formed on an electrophotographic photosensitive drum using a developing agent, including a developing agent carrier for supplying the developing agent to the photose...
12/20/2005
6957023Image forming apparatus, developing unit and storage medium
An image forming apparatus including a first unit having a developer container holding developer containing toner and carrier, and a developer holder to hold and transfer the developer held in the developer container, a second unit to supply toner to the developer c...
10/18/2005
6941084Compensating optical measurements of toner concentration for toner impaction
A method for sensing toner concentration in a developer housing with an optical system containing developer material including toner and carrier, the method, including: emitting light with the optical system through a viewing window in the developer housing onto dev...
09/06/2005
6937830Image forming apparatus
An image forming apparatus of the present invention includes a photoconductive drum and a developing device for developing a latent image formed on the drum with a developer. The developing device includes a developing roller facing the drum via an opening formed in...
08/30/2005
6931219Led color specific optical toner concentration sensor
An apparatus and method for determining toner concentration of a sample comprised of toner and carrier, including exposing the sample to light; the exposing includes emitting light at a predefined wavelength based upon the color of the toner; detecting the light ref...
08/16/2005
6922539PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS IN WHICH THE CONTACT WIDTH OF A DEVELOPER CHARGER WITH AN IMAGE BEARING MEMBER IS GREATER THAN OR EQUAL TO THE SUM OF THE DEVELOPING WIDTH OF DEVELOPING MEANS AND THE WIDTH OF MOVEMENT OF THE DEVELOPER CHARGER
A process cartridge includes an image bearing member, a developing device developing an electrostatic image on the member using developer to form a developer image on the member and a developer charger charging residual developer on the member disposed downstream of...
07/26/2005
6917779Toner conveying device and image forming apparatus including the toner conveying device
A toner conveying device includes a toner container that contains toner, a toner discharge urging device that urges the discharge of the toner from the toner container, a toner conveying mechanism that conveys the toner discharged from the toner container through a ...
07/12/2005
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
6639697Automatic slide feeder for use with reflective optical scanner device
An automatic slide feeder according to one embodiment of the present invention may comprise a housing configured to define an input slide tray, an output slide tray and a scan slide tray. A slide actuator operatively associated with the housing moves a sl...
10/28/2003
6606463Optical toner concentration sensor
A toner maintenance system for an electrophotographic developer unit, including a sump for storing a quantity of developer material comprised of toner material; a first member for transporting developer material from the sump, a viewing window, in communi...
08/12/2003
6553189Optical guide, process cartridge, and electrophotographic image forming apparatus
An optical guide to be used for detecting the remaining amount of developer contained in a developer containing portion includes a blocking portion for blocking an opening formed in the developer containing portion when the optical guide is fitted to the ...
04/22/2003
6515747Method and device for measuring a substance concentration in a liquid
A method and apparatus for measuring a substance concentration in a liquid wherein a continuously variable thickness of the liquid is formed, and light is emitted such that a portion of the light passes through the formed continuously variable thickness o...
02/04/2003
6505008Developer container, process cartridge, developing device, and image forming apparatus with toner sensor wiping member orientation
A developer container for containing a developer includes a detecting member for detecting a developer amount having an electrode member having a pair of input-side and output-side electrodes formed in parallel and in one plane at a predetermined interval...
01/07/2003
6505007Developer remaining amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus
A method of detecting a developer remaining amount for successively detecting the remaining amount of a developer used for developing an electrostatic latent image formed on an electrophotographic photosensitive member, the method including successively d...
01/07/2003
6501933Developing cartridge with agitator driven to rotate independent from developing roller
To provide age forming device and a developing cartridge used in the image forming device capable of performing high-speed image forming operation for forming high-quality images and of reliably detecting an accurate amount of remaining toner. An agitator...
12/31/2002
6377760Toner concentration measuring apparatus
The present invention provides a toner concentration measuring apparatus capable of precisely measuring the concentration of toner in a developer and having first and second light guiding devices whose end surfaces project into a duct traversed by develop...
04/23/2002
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
6289184Apparatus for measuring concentration of developer of liquid printer
An apparatus for measuring the concentration of developer in a liquid printer, the apparatus includes a housing, a developer film forming device installed in the housing for forming a developer film, and a sensing device including a light source unit for ...
09/11/2001
6278850Device of measuring concentration of developer liquid for liquid-type printer
A device for measuring the concentration of a developer liquid for a liquid-type printer, including a container having a discharge portion, first and second rotary members rotatably installed in the container with a predetermined space, and a supply porti...
08/21/2001
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