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Patent No. 5687752

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A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.

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Class 399/62 - Concentration detection


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein the concentration is controlled in
No. of patents: 130
Last issue date: 12/28/2010


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NumberTitleIssue Date
7860415Image forming apparatus with toner concentration sensor
An image forming apparatus includes a toner image forming section including a developing device having a developer tank for storing a two-component developer, a transfer section, a fixing section, a recording medium feeding section, and a discharging section. The im...
12/28/2010
7835656Developing device and image forming apparatus which can detect a concentration of a developer
A developing device includes: a developer carrier; a first housing chamber; a second housing chamber; a first inflow portion; a first conveying member; a second conveying member; and a concentration detecting member. ...
11/16/2010
7783215Image forming apparatus and toner replenishment control method
An image forming apparatus and a toner replenishment control method according to the present invention are configured such that a concentration of toner in a developer detected by a toner concentration detection sensor is measured and the measured toner concentratio...
08/24/2010
7764891Solid-concentration measuring apparatus and method thereof, and solid-concentration control system
A solid-concentration measuring apparatus includes an ultrasonic transmitter, an ultrasonic receiver, and a response-time integrator. The ultrasonic transmitter transmits a single-pulse ultrasonic wave to a liquid toner. The ultrasonic receiver receives the single-p...
07/27/2010
7558496Image forming device
A developer agitation screw is provided with a blade to gather developer onto the sensor surface of a toner concentration sensor. A toner concentration control unit detects the maximum value of the output of the toner concentration sensor within each predetermined p...
07/07/2009
7409170Developing apparatus, image forming apparatus and density detection method
To provide a technology capable of realizing high-accuracy detection of toner density. A developing apparatus includes: a partition plate provided within the developing apparatus for partitioning an interior of the developing apparatus into a plurality of spa...
08/05/2008
7406274Controlling apparatus for developing roller, image forming device having the same, and developer controlling method thereof
An image forming apparatus having a developer controlling apparatus for a developing roller is provided to uniformly control an amount of developer deposited on the developing roller and a developer controlling method thereof. The apparatus includes a sensing part h...
07/29/2008
7389060Image forming apparatus for controlling variation of image density and toner concentration
An image forming apparatus includes an image carrying member, a developing unit, an image density detector, a toner concentration detector, a toner concentration controller, and an output adjustment unit. The image carrying member forms a reference latent image patt...
06/17/2008
7352977Toner level detection method and image forming apparatus employing such toner level detection method
Forced supply of toner(s) from toner hopper(s) to developer storage container(s) is executed while interrupting and/or prohibiting image forming operation(s) so as to prevent consumption of toner(s), toner level(s) within toner hopper(s) being determined to be low a...
04/01/2008
7257353Developing apparatus
A developing apparatus develops a latent image formed on an electrophotographic photosensitive member with a developer in an electrophotographic image forming apparatus The device includes a developer accommodating portion and a developer stirring member stirring th...
08/14/2007
7231164Developing unit, developing cartridge, and image forming apparatus
A developing unit detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a developing member for developing an electrostatic latent image formed on an electrophotographic photosensitive member, a developer accommodating p...
06/12/2007
7218870Image forming apparatus
An image forming apparatus includes an image forming portion, a developing apparatus, a developer density detection portion, an image density detection portion, an environment detection portion, and a developer replenishing apparatus. The image forming apparatus fur...
05/15/2007
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
7180532Dry ink concentration monitor interface with automated temperature compensation algorithm
A system, method, and apparatus for adjusting dry ink concentration in a developing station (30) of a printer is disclosed. The adjustment is performed by calculating the thermal drift of a dry ink monitor (40) and applying the result as a compensating...
02/20/2007
7177557Method for calculating toner age and a method for calculating carrier age for use in print engine diagnostics
The present invention generally relates to a digital imaging system or a light lens based imaging system. More specifically, the present invention provides an improved method and apparatus for calculating toner age and, additionally, carrier age using a toner concen...
02/13/2007
7155149Image forming apparatus which detects abnormality condition in feeding of toner
An image apparatus comprising a toner supplying device; a toner receiving device; a first toner conduit communicating with the toner receiving device to feed a toner supplied from the toner supplying device; a first feeding device which forms an air stream to feed t...
12/26/2006
7110706Toner replenisher and method for an electrographic imaging machine
The invention relates to a toner replenisher and method for an electrographic imaging machine, including flow of toner through a toner replenisher and sealing between a toner replenisher and a toner bottle. According to the numerous aspects of the invention, a toner...
09/19/2006
7107002Toner collection apparatus
In order to collect sufficiently the toner in the toner collecting section so as to prevent the toner from overflowing from the toner collecting section, a toner collection apparatus is provided. The toner collection apparatus comprises a removing member for removin...
09/12/2006
7099617Waste toner transfer apparatus and electrophotographic printer adopting the same
A waste toner transfer apparatus in an electrophotographic printer to transfer waste toner removed by a cleaning unit and transferred to a waste toner storage container. The waste toner transfer apparatus includes a duct connecting the cleaning unit and the waste to...
08/29/2006
7068955Image forming apparatus having developer amount detector
An image forming apparatus or a cartridge detachably attachable to the image forming apparatus is provided, wherein the apparatus comprises developer container for containing developer, developer amount detecting means for detecting an amount of the developer contai...
06/27/2006
7058320Image forming apparatus, cartridge detachably mountable to the image forming apparatus, developer remainder displaying method and system
An image forming apparatus includes a developer container for containing a developer; a developer amount detector for detecting the amount of the developer contained in the developer container; a memory; and a calculator for calculating a display level of the remain...
06/06/2006
7050729Image forming apparatus
An image forming apparatus includes a latent image forming portion for forming an electrostatic latent image corresponding to image information on an image bearing member, a developing portion, having a developer container for accommodating a developer containing a ...
05/23/2006
7031644Image forming apparatus
In an image forming apparatus, the level of the rotational axis of a third mixer 26a that conveys and stirs recycle toner is set to be lower than the level of the rotational axis of a second mixer 25a at a communicating region with a seco...
04/18/2006
7024151Image forming apparatus and toner stirring method
The image forming apparatus has a communicating portion from the first chamber 24 to the second chamber 25, and a communicating portion from the first chamber 24 to the third chamber 26, which are separated from each other. With this stru...
04/04/2006
7020415Image forming apparatus with transfer belt
An image forming apparatus containing image forming stations Y, M, C, K for respective colors arranged along a transfer belt, each image forming station including an image carrier, a charging means and a developing means disposed around the image carrier. The appara...
03/28/2006
7006784Image forming apparatus and toner stirring method
In an image forming apparatus, the distance of stirring and conveyance of recycle toner that is recovered from a photosensitive drum is made greater than the distance of stirring and conveyance of fresh toner. It is thus possible to prevent non-charged toner from be...
02/28/2006
6999689Image forming apparatus and method of controlling same
Provided are an image forming apparatus and method of controlling same in which when toner replenishment from a toner accommodating unit has been performed satisfactorily, a no-toner indication can be cancelled without taking more time than necessary, and in which t...
02/14/2006
6978094Image forming apparatus with a toner density sensor
This invention relates to an image forming apparatus including a developing unit which develops an electrostatic latent image formed on an image carrier by using a two-component developing agent containing polymerized toner. The developing unit includes a supply/con...
12/20/2005
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
6959156Image forming apparatus
An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with developer including toner and carrier, a density sensor for detecting a density of the toner, a control unit for controlling the amou...
10/25/2005
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
6947681Image forming apparatus with two-speed developing operation and toner control feature
An image forming apparatus in which the control of toner supply can be effected well irrespective of an image forming mode (image forming speed). The density of a toner in a developer contained in a developer containing portion is detected by a toner density sensor....
09/20/2005
6944410Image forming apparatus and method of sensing amount of remaining developer in image forming apparatus
In an image forming apparatus that is capable of forming an image in a plurality of image forming modes that correspond to frequencies of developing bias, a voltage value that reflects the image forming mode and amount of remaining toner is corrected using a correct...
09/13/2005
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
6931217Toner residual amount detection apparatus
In order to prevent a toner residual amount from being erroneously judged as “toner present” after the toner residual amount has been judged to be insufficient, the toner residual amount detection apparatus of the present invention has a developing device for de...
08/16/2005
6925267MEMORY DEVICE STORING INFORMATION WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT, A PROCESS CARTRIDGE INCLUDING A MEMORY STORING SUCH INFORMATION, AND A CONTROL SYSTEM AND A MEMORY SYSTEM FOR WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT
An image forming apparatus or a cartridge detachably attachable to the image forming apparatus is provided, wherein the apparatus comprises a developer container for containing developer, a developer amount detector for detecting an amount of the developer contained...
08/02/2005
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
6912366IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEVELOPER CONTAINER, A MEMORY FOR STORING THE AMOUNT DETECTED BY THE DETECTING MEANS, AND CONTROL MEANS FOR UPDATING THE INFORMATION STORED IN THE MEMORY
An image forming apparatus or a cartridge detachably attachable to the image forming apparatus is provided, wherein the apparatus comprises developer container for containing developer, developer amount detecting means for detecting an amount of the developer contai...
06/28/2005
6819887Apparatus and method for measuring concentration of developer in liquid printer
A developer concentration measuring apparatus of a liquid printer includes a container installed so that developer supplied to a photoreceptor web enters and is exhausted, a roller rotatably installed in the container for forming a film of the developer contained in...
11/16/2004
6768881Developing device and image forming apparatus using the same
A developing device of the present invention includes a conveying member for conveying a developer that is a toner and carrier mixture. A sensor senses the toner content of the developer in terms of the permeability of the developer. A preventing member prevents the...
07/27/2004
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