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Class 399/42 - Artificial intelligence


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an electrophotography system or method
No. of patents: 73
Last issue date: 09/11/2007


1    
NumberTitleIssue Date
7269362Image forming apparatus, control method and toner consumption calculating apparatus and method
When the remaining toner amount within a developer is relatively large, a control target value of a toner amount is set to Ttgt1, and a lower limit value of a toner amount which can regarded proper is set to TL1. When the density of a patch image forme...
09/11/2007
7265881Method and apparatus for measuring assembly and alignment errors in sensor assemblies
A target, method, and apparatus are disclosed for measuring assembly and alignment errors in scanner sensor assemblies. The sensor assembly comprises at least two sensor segments. The target comprises edges defined by changes in reflectance. At least one vertical ed...
09/04/2007
7245840Method and apparatus for estimating the volume of toner consumption in consideration of overlapping areas
Provided is a method and apparatus for accurately estimating the volume of toner consumption of a laser printer by subtracting the volume of toner consumption corresponding to overlapping areas between adjacent bits of video data sequentially input by the bit from a...
07/17/2007
7233749Image forming device for performing calibration by patch pattern
An image forming device, has an image carrier on which a latent image is formed, and a development device to which a plurality of development units for containing developer with the same color are detachably installed, and development is performed by attaching the d...
06/19/2007
7203344Biometric imaging system and method
A method and system of obtaining a ten-print plain impression fingerprint includes scanning a print image, processing the scanned image, separating the processed image into individual fingerprint images, and determining how many print images have been scanned. The m...
04/10/2007
7164487Communication terminal
A communication terminal capable of preventing a circuit from being released when a hook key is operated in the case the circuit is being closed forcibly. The communication terminal is capable of informing the functions capable of being used in the case the circuit ...
01/16/2007
7162172Semi-automatic image quality adjustment for multiple marking engine systems
Using a document scanner or other image input device of an image or document processing system to periodically scan or image printed test images from a plurality of marking engines replaces internal sensors as a feedback means in image quality control. For example, ...
01/09/2007
7149450Image forming apparatus and function extension program for image forming apparatus
An image forming apparatus that allows easy implementation of options or other extensions to a multi-functional peripheral or the like is provided, together with a function extension program for use in the image forming apparatus. The image forming apparatus reads a...
12/12/2006
7113647Removal of background noise of image data by an image processing device or image reading apparatus
An image processing device includes a background noise detecting device configured to detect from image data of an image, background noise data of the image data. An image memory stores the image data, and an inputting/outputting device inputs and outputs the image ...
09/26/2006
7079271Communication terminal
A communication terminal (1) having a network control unit for closing and releasing a circuit, a memory for registering a communication job, and a recording unit (50) for recording image data. The communication terminal (1) further has a contro...
07/18/2006
7068338Electro-optical device substrate, electro-optical device, and electronic apparatus
An electro-optical device substrate is provided comprising a base, and a plurality of wirings formed on the base. In at least one of the wirings, there is, in a bent portion of the wirings, a portion whose line width W0 gradually increases from a first side o...
06/27/2006
7028015Filtering device and method for reducing noise in electrical signals, in particular acoustic signals and images
A neuro-fuzzy filter device that implements a moving-average filtering technique in which the weights for final reconstruction of the signal are calculated in a neuro-fuzzy network according to specific fuzzy rules. The fuzzy rules operate on three signal features f...
04/11/2006
7027139Photosensor apparatus and image forming apparatus
A photosensor apparatus includes a light receiving element that receives reflection light of light which is illuminated onto a reference pattern image formed on a moving member, a first illuminating unit that enters regular reflection light to the light receiving el...
04/11/2006
7024126Developing unit and density control method in electrophotography
A developing unit maintains constant density in an electrophotographic imaging process. The developing unit has: a) a developer with a developing surface and a first voltage is applied to the developer; b) a deposi...
04/04/2006
6951186Non-invasive environment history indicator for reusable device
In an apparatus including a unit which is recoverable and reusable after use, an environmental history indicator member having a property variable according to an environmental history of use of the apparatus and arranged not to participate in any functions of the a...
10/04/2005
6938550System and method for print screen tonal control and compensation
A print screen tonal control and compensation system and method are provided in which a compensated density curve is utilized to increase press predictability, performance, resources consumption, color variation, and quality. A computerized test pattern is generated...
09/06/2005
6920269Lens
The invention is a lens. The light transmitting portion of the lens comprises a plurality of fiber optic strands arranged parallel to each other in a side-by-side manner, forming a planar layer. The fiber optic strands are also inclined at an angle to a surface of t...
07/19/2005
6909856Functionality switching for MICR printing
An electrographic printing machine (10) operable in combination with an installed one of a plurality of developing, or toning, stations (38a, 38b), is disclosed. Each of the plurality of toning stations (38a, 38
06/21/2005
6601159Dynamically-switched supplemental information support system for a copier system
An integrated information support system (IISS) uses a stand-alone, large capacity memory device, such as a CD ROM, to enhance the user interface of a copier system. The IISS, providing system users with access to vast quantities of graphical, textual, vi...
07/29/2003
6591147Adjustment control and adjustment control method
In the present invention, control amounts are input from plural sensors. Good/bad determination is performed to determine whether all deviations of control amount variables are within tolerable ranges. If a determination result is "bad", it is determined ...
07/08/2003
6585341Back-branding media determination system for inkjet printing
A system of classifying the type of incoming media entering an inkjet or other printing mechanism is provided to identify the media according to markings or identifying indicia on the back surface of the media opposite the printing surface which ultimatel...
07/01/2003
6339650Image information processing apparatus
An image information processing apparatus which includes an image reading section which reads an image of a document and outputs image data, a document judging section which judges whether the read document is an original document or a reproduced document...
01/15/2002
6327443Liquid crystal display device
A liquid crystal display device including first and second substrates opposing each other at a certain gap, a plurality of electrodes disposed on the first substrate, thin film transistors as nonlinear resistors disposed in a region where the plurality of...
12/04/2001
6160600Interlayer insulation of TFT LCD device having of silicon oxide and silicon nitride
There is disclosed a lightweight and small liquid crystal display which achieves low power consumption and in which the optical anisotropy of the liquid crystal material is compensated for in order to enhance the viewing angle characteristics and the resp...
12/12/2000
5963757System for processing a photosensitive material
A method and apparatus for locating and cutting individual images from a web containing a plurality of images, the web having a magnetic media capable of retaining magnetically recorded data. The apparatus comprising a reader for reading magnetically reco...
10/05/1999
5850582Administrative device for image forming apparatus
A host computer 104 at a remote administrative site receives a jam code and the number of accumulated copies made from a photocopier 100 at which jamming has occurred, an accumulated jam curve is calculated based on the received data, a certain filtering ...
12/15/1998
5838596Simulation system for control sequence for sheet transportation
A simulation system is provided which is capable of simulating the behavior of a sheet transported by a transportation system. In response to application of a control sequence formulated for the sheet transportation system, a simulation is performed to ch...
11/17/1998
5812903Image forming apparatus and method enabling toner amount control without actual measurement of toner characteristic
Operation variables such as laser power, grid voltage, and developing bias are corrected by using image-density controlling rules so as to control the image density. Control of toner supply is also effected by using the image-density controlling rules. A ...
09/22/1998
5794094Accurate toner level feedback via active artificial intelligence
A toner detecting system includes an image forming apparatus having a toner reservoir. A toner sensor of the system has a toner sensing element positioned to detect toner amount within the toner reservoir. A pixel counter of the system is configured to co...
08/11/1998
5778279Image forming apparatus estimating a consumable life of a component using fuzzy logic
A copying machine equipped with a PC counter for counting cumulative rotation time of a photoconductive drum, a development counter for counting cumulative drive time of a developing unit, a sensor for detecting deposition amount of toner onto the photoco...
07/07/1998
5729786Image forming control apparatus which retreives control rules via control cases stored in control clusters
Solid and highlight developed image patches are formed, and their densities are measured with a development density sensor and stored into a control case memory as data constituting a control case. Two additional control cases are similarly stored into th...
03/17/1998
5708917Toner replenishment device for an image forming apparatus which employs pixel density and toner density information
The image forming apparatus is provided with a detecting means for detecting transfer efficiency when transferring a toner image from a photosensitive member to a transfer sheet, and a developing efficiency changing means for changing developing efficienc...
01/13/1998
5699096Potential estimating apparatus using a plurality of neural networks for carrying out an electrophotographic process
A potential estimation apparatus estimates a potential of a photosensitive body of an image forming apparatus that carries out an electro-photography process using the photosensitive body. The potential estimation apparatus includes a sensor group for sen...
12/16/1997
5696605Method and apparatus for exercising diagnostic functionality in product extensions
A reprographic system having one or more peripheral devices or subsystems whose function is integrated therewith, including a communications link between the reprographic system and peripheral devices. Furthermore, the reprographic system would have the c...
12/09/1997
5647010Image forming apparatus with security feature which prevents copying of specific types of documents
In a digital copier, facsimile machine, scanner, image filing apparatus or similar apparatus, an image processing device is provided with a capability of surely identifying confidential or secrecy documents which should be protected from unauthorized pers...
07/08/1997
5633952Identification of a particular color image using color distribution, and circuitry for same
An image processing apparatus comprises: an input device for supplying color image information; a discrimination unit to discriminate whether the color image information includes a predetermined image or not in accordance with a color distribution of the ...
05/27/1997
5623713Self-reparir type image forming apparatus utilizing functional representation
The present invention makes it possible to make good self-repair on which little secondary effect is exerted by calculating a manipulated variable of a parameter at the time of the repair by a functional amount in an image forming apparatus having a self-...
04/22/1997
5610689Image forming apparatus having failure diagnosing function
A detector for detecting status quantities in processes of an image forming apparatus and a correction mechanism for changing parameters are connected to a controller. By virtue of this arrangement, the amount of current associated with a primary charging...
03/11/1997
5467449Fault clearance and recovery in an electronic reprographic system
A fault clearance and recovery operation in an electronic reprographic system comprises storing in memory clearance and recovery instructions for specific system faults, monitoring the system for fault occurrence and accessing displaying the stored instru...
11/14/1995
5459556Toner consumption rate gauge for printers and copiers
A toner meter for determining a rate of toner usage per print in a printing machine of the type having operator actuatable settings effecting the rate of toner usage per print. The meter has a controller for calculating the rate of toner usage per print r...
10/17/1995
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