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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8112008 | Image forming apparatus An image forming apparatus, which has a plurality of image forming units, comprises a plurality of cartridges adapted to supply developer; a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges; a driv... | 02/07/2012 |
| 8107830 | Image forming apparatus and method of discarding developer An image forming apparatus includes a plurality of image forming units each having an image supporting member, a developer supporting member, and a cleaning member for cleaning developer on the image supporting member. The image forming apparatus further includes a ... | 01/31/2012 |
| 8107829 | Image forming apparatus with a developer circulation mechanism An image forming apparatus includes: at least one retaining member configured to temporarily retain remaining developer remaining on a photosensitive member; a belt arranged opposite to a plurality of photosensitive members; a cleaning device collecting developer on... | 01/31/2012 |
| 8099001 | Developer cartridge and developer device for detecting the amount of developer in the developer cartridge A developer cartridge and developing device are provided. The developer cartridge is attachable to and detachable from a developing housing, the developing housing comprising a drive gear for transmitting a driving force to the developer cartridge. The developer car... | 01/17/2012 |
| 8099002 | Developing device of image forming apparatus using a toner and carrier mixture According to an embodiment of the invention, degradation of carrier in a case is detected from the number of rotations of a developing roller. A predetermined quantity of carrier is replenished every time the developing roller reaches a predetermined number of rotat... | 01/17/2012 |
| 8090276 | Developing device and image forming apparatus A developing device includes a developing roller that carries a two-component developer from a developer container to an image carrier, a first screw carrying a developer, and a second screw carrying the developer in a direction opposite to a direction in which the ... | 01/03/2012 |
| 8086117 | Image forming apparatus and developer replenishing method A switching controller switches from a developer replenishment prohibition mode to a developer replenishment permission mode when the replenishment detection device detects that the developer containing section does not store a prescribed amount of the developer, an... | 12/27/2011 |
| 8081888 | Estimating amount of toner in an image forming device An image forming device includes a container accommodating toner, a light emitting unit emitting light to be transmitted through the container, a light receiving unit receiving the light transmitted through the container, an efficiency determining unit determining a... | 12/20/2011 |
| 8078068 | Toner yield analysis for monitor and replacement of consumables within a print system Systems and methods are described hereinto to provide a notification when a predetermined event occurs that is related to a consumable. A print engine outputs hard copies based on electronically received data. One or more toner cartridges that are utilized by the pr... | 12/13/2011 |
| 8073347 | Image forming apparatus An image forming apparatus includes an image holder, a latent image forming unit, and a developing unit, the developing unit including a developer holder that is disposed to face the image holder and holds developer. Also included is a developer container, replenish... | 12/06/2011 |
| 8068748 | Methods and systems for sensing an amount of material in a toner cartridge A method and system to sense an amount of material such as toner in a container held in a horizontal position within a machine, such as a printing machine. A level sensor senses an amount of material within a dispensing unit which causes the level sensor to issue a ... | 11/29/2011 |
| 8050576 | Management system, management device, management method and computer readable medium A management system includes: an image forming apparatus including a toner storage unit storing toner used in a developing unit, and a toner-transporting unit transporting the toner from the toner storage unit to the developing unit; and a management device connecte... | 11/01/2011 |
| 8036544 | Image forming apparatus and method of detecting amount of residual developer An image forming apparatus has a developer container containing a developer and a developer carrying member for carrying the developer and adapted to switch an AC voltage to be applied to the developer carrying member. The apparatus includes a detecting member for d... | 10/11/2011 |
| 8036543 | Developing apparatus, process cartridge and image forming apparatus A developing apparatus usable with an electrophotographic image forming apparatus, the apparatus including a developer accommodating container, a developer chamber including a developer carrying member carrying and feeding a developer supplied from the container to ... | 10/11/2011 |
| 8032038 | Developing device and image forming apparatus A developing device includes a storage portion for retaining developer; a light guide member for forming a plurality of optical paths passing through the storage unit to detect an amount of the developer in the storage portion; a plurality of window members formed i... | 10/04/2011 |
| 8027598 | Image forming method with renewal of toner residual amount When copying control (copying/printing job) is finished, the main CPU checks whether the scanner control is being executed in the scanner portion. If the scanner control is not being executed, the main CPU checks whether there is any scanner control executing reques... | 09/27/2011 |
| 8019240 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus A developing apparatus used in an electrophotographic image forming apparatus includes: a developing roller for developing a latent image formed on a photosensitive drum; a developing container for containing developer; a developer conveying member for supplying the... | 09/13/2011 |
| 8009997 | Toner replenishment determination device of an image forming apparatus An image forming apparatus, which comprises a toner density detection device for detecting the density of a toner inside a developing device, acquires the number of pixels from inputted image information, calculates the toner replenishment amount from the toner dens... | 08/30/2011 |
| 8000617 | Image forming apparatus having toner containers of varying sizes An image forming apparatus including cyan (C), magenta (M), yellow (Y), and black (K) developing units using a C developer, a M developer, a Y developer, and a K developer, respectively; at least one auxiliary developing unit using a developer other than the C, M, Y... | 08/16/2011 |
| 7983576 | Image forming apparatus having function to control developer exhausting amount and image forming method thereof An image forming apparatus to form image data on a printing medium, the apparatus includes a developing cartridge having a developer transfer body to transfer developer to an image receptor, a developer storing unit to separately store a transfer-regulated developer... | 07/19/2011 |
| 7983577 | Image forming apparatus An image forming apparatus including an image bearing member; a developing device forming a toner image; a toner supplying device including a toner container, a toner feeding passage, a pump, in which a first member is moved while rubbing a second member to feed a d... | 07/19/2011 |
| 7978988 | Image forming apparatus An image forming apparatus, which has a plurality of image forming units, comprises a plurality of cartridges adapted to supply developer; a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges; a driv... | 07/12/2011 |
| 7978989 | Toner cartridge and image forming apparatus A toner cartridge counts the number of times the toner cartridge has been shaken by a counting unit. A control unit of an image forming apparatus acquires the counting result of the counting unit, and controls each unit of the apparatus such that a display unit disp... | 07/12/2011 |
| 7970296 | Image forming apparatus with developer amount determining unit having rotational period equal to integral multiple of image supporter rotational period An image forming unit includes an image supporter configured to be rotatable, and an amount detecting unit configured to rotate with a predetermined period to detect an amount of remaining developer. A rotation period of the amount detecting unit is an integral mult... | 06/28/2011 |
| 7970295 | Document processing system and method for adjustable print consumable refill level Document processing systems and methods are presented in which a graphical user interface is used to set a user-selectable refill level for a print engine consumable, such as toner, replenisher, paper, etc. Once the user-selectable level has been reached, the user i... | 06/28/2011 |
| 7965952 | Remaining amount of developer detection device, development device, process unit, and image forming apparatus A disclosed remaining amount of developer detection device includes a remaining amount of developer detection section detecting a remaining amount of developer in a development device, an operation amount computation section computing an operation amount of the deve... | 06/21/2011 |
| 7962053 | Method and device for controlling supply of developer A method and a device for controlling a supply of a developer are provided. An amount of the developer is sensed during warm-up and a determination is made as to whether the sensed amount is equal to or less than a predetermined threshold during warm-up. The develop... | 06/14/2011 |
| 7949265 | Toner supply device, developing device and image forming apparatus with residual quantity of toner based control A toner supply device for supplying toner to a developing device includes: a first toner supply portion for supplying toner to a developing hopper; a second toner supply portion for supplying the stored toner to the first toner supply portion; a first toner supply d... | 05/24/2011 |
| 7949266 | Image forming apparatus with function of toner supply amount control An image forming apparatus transfers a toner image, which has been formed onto an image carrying member, to a printing medium. The image forming apparatus includes a sub-scan distance measuring part configured to measure a distance along a sub-scan direction from a ... | 05/24/2011 |
| 7945175 | Toner container structure and method for assessing toner consumption in an image forming apparatus The present invention provides a toner container system (such as a toner cartridge) and method for determining the toner consumed by each pixel in an image forming apparatus, such as a printer, so to accurately assess the amount of toner remaining in the toner conta... | 05/17/2011 |
| 7937003 | Image forming apparatus and method of determining degradation of charging property of developer A photosensitive layer of a photosensitive drum is charged and a surface of the photosensitive layer is exposed at a specified density and then a development bias is applied to a development roller. An absolute value of a detection voltage is obtained from a develop... | 05/03/2011 |
| 7929871 | Image forming apparatus, image quality management method and image quality management program A technique is provided which enables keeping color developers of yellow, magenta and cyan in developing devices in a satisfactory state even in a circumstance where a black toner is mainly used, in an image forming apparatus which is capable of executing image qual... | 04/19/2011 |
| 7929872 | Xerographic process controls scheduling approach to mitigate costs of measurement A method and apparatus for maintaining color consistency includes varying a sampling interval to balance the benefit of xerographic process controls regulation with the cost of sampling. The request to sample is triggered by external indicators (area coverage, carri... | 04/19/2011 |
| 7929870 | Image forming apparatus with a toner dispensing control unit An image forming apparatus includes: an image carrying member; a developing unit that develops an electrostatic latent image formed on the image carrying member using toner; a toner dispensing unit that dispenses the toner to the developing unit; and a toner dispens... | 04/19/2011 |
| 7925173 | Monitoring apparatus, image forming apparatus, and image forming system A monitoring apparatus includes a determining unit that determines in advance a first target amount, which is determined as a target of consumption amount of a colorant at a first timing, at which a first predetermined period from start of use of the colorant in ima... | 04/12/2011 |
| 7925174 | Image forming apparatus An image forming apparatus includes a latent image carrier, a developing unit to develop a latent image on the image carrier with developer including toner and carrier, a developer bearing member, a first detector to detect a toner adhesion amount per unit area of a... | 04/12/2011 |
| 7920799 | Image forming apparatus for controlling replenishing toner into developing device An image forming apparatus is provided with a photoconductor to have an electrostatic latent image formed thereon, a developing device for developing the electrostatic latent image with a toner, a toner replenishing device for replenishing the toner into the develop... | 04/05/2011 |
| 7912385 | Image forming apparatus and developer level calculating method of the same An image forming apparatus and a developer level calculating method of the same. The image forming apparatus includes a developing unit which includes a developing roller to provide the developer onto a photosensitive body, a developing sensor to sense a developer l... | 03/22/2011 |
| 7903986 | Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocity In a reuse method for reusing a reusable device and a sensor of a first image forming apparatus having a first process linear velocity in a second image forming apparatus having at least one second process linear velocity different from the first process linear velo... | 03/08/2011 |
| 7899343 | Image forming apparatus An image forming apparatus includes an image bearing member on which an electrostatic image is to be formed; a developing device for accommodating a developer including toner and a carrier and for developing the electrostatic image with the developer; a developer su... | 03/01/2011 |
