Class / Patent application number | Description | Number of patent applications / Date published |
399083000 | Having memory | 18 |
20080212992 | PROCESS CARTRIDGE FOR IMAGE FORMING DEVICE - A process cartridge having a nonvolatile memory for storing prescribed information corresponding to addresses is detachably attached to a main body of an image forming device. The nonvolatile memory stores first destination information of “shipment destination” data to be used to control the printing operation by a control system of the main body of the image forming device and second destination information of “lot No.” data not to be used to control the printing operation by the control system. The nonvolatile memory allows the image forming device to perform an appropriate printing operation without changing a program of the main body of the image forming device even when a new destination is arisen for a reason of production management, marketing etc. after beginning to put the image forming device on the market. | 09-04-2008 |
20080219692 | PROCESS CARTRIDGE FOR USE IN IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS - In an image forming apparatus employing a process cartridge for image forming apparatus which is equipped with a chip including a rewritable non-volatile memory, the non-volatile memory at least includes a read-only region and an arbitrarily rewritable region, a control program for writing data to the read-only region is installed in the arbitrarily rewritable region, and the use of the control program is limited after the completion of the writing of data to the read-only region. | 09-11-2008 |
20080304849 | IMAGE FORMING APPARATUS AND SETTING METHOD FOR THE SAME - An image forming apparatus according to the invention includes: a control panel capable of displaying a menu screen; an image forming unit configured to carry out image forming processing under a condition set by the control panel; a reader and writer capable of communicating with a portable storage medium; a first control unit configured to control the reader and writer to write setting information at the time the image forming condition is set, into the storage medium, and to read the setting information stored in the storage medium; and a second control unit configured to control a content of the menu screen in accordance with the setting information read from the storage medium when the control panel is operated to set an image forming condition, and to display plural setting items for condition setting on the menu screen in predetermined order. | 12-11-2008 |
20090022511 | IMAGE FORMING DEVICE, IMAGE PROCESSING DEVICE, IMAGE FORMING METHOD, COMPUTER READABLE MEDIUM, AND COMPUTER DATA SIGNAL - An image forming device has an imaging unit including: a rotating body; an exposure unit forming an electrostatic latent image on the rotating body; a developing unit developing the latent image using developer to form an image; and a transfer unit transferring the image to a recording medium, a memory storing data on correspondence between first image data, second image data and a first correction amount, the first image data representing a first latent image formed by a first turn of the rotating body, the second image data representing a second latent image formed by a second turn of the rotating body, and the first correction amount used for correcting the second image data so that density of the image on the recording medium closer to density of the second latent image; a correction amount determining unit determining the first correction amount corresponding to the first and second image data based on the data stored in the memory; and a correcting unit correcting the second image data based on the first correction amount. | 01-22-2009 |
20090067872 | DEVELOPING DEVICE, MEMORY UNIT THEREOF, AND IMAGE FORMING APPARATUS - A developing device to prevent damage of a memory unit and poor connection between terminals of the memory unit and a main body of an image forming apparatus, by improving a mounting position of the memory unit. The developing device is removably mounted to a main body of the image forming apparatus. The memory unit includes terminals exposed through a rear side of the developing device. The memory unit is disposed closer to a power reception unit formed at one side of the developing device than to a driving force reception unit formed at an other side of the developing device. | 03-12-2009 |
20100034551 | IMAGE FORMING APPARATUS, MEMORY MANAGEMENT METHOD, MEMORY MANAGEMENT PROGRAM PRODUCT - An image forming apparatus includes a storage area used as a work area of programs for implementing functions, the programs including a basic function program configured to implement a basic function and an extension function program configured to implement an extension function, wherein the entire storage area is used in the event that the basic function program is executed to implement a specified maximum function of the basic function; a detecting unit configured to detect a usage state of the storage area; a storage unit configured to store information indicating an allocation mode defining a method of allocating the work area to the programs; and an allocation unit configured to allocate the work area to each of the programs that is to be executed, according to the usage state of the storage area detected by the detecting unit and the allocation mode stored in the storage unit. | 02-11-2010 |
20100316406 | IMAGE FORMING APPARATUS - An image forming apparatus is provided. The image forming apparatus includes: a storage section configured to store data; a printing section configured to perform duplex printing of the data stored in the storage section, the duplex printing including printing N sheets on first sides thereof and subsequently printing M sheets on second sides thereof, wherein M is equal to or smaller than N; a detection section configured to detect a request for storing data in the storage section; and a changing section configured to change the value of N into a smaller value during the duplex printing, in response to the detection of the request for storing data based on a function which uses the storage section concurrently with an operation of the duplex printing. | 12-16-2010 |
20110013924 | Image Forming Apparatus - An image forming apparatus including: plural sheet supplying sections which accommodate a recording sheet and feed out the recording sheet; an image forming section which forms an image on the recording sheet, fed out from the sheet supplying section, based on a printing job; a memory section which stores information of the printing job, including information of the recording sheet; and a control section which determines a sheet supplying section, based on the information of the recording sheet, included in the printing job stored in the memory section, and displays an event using a time axis provided on a vertical axis or a horizontal axis on a display section, the event is generated by a schedule for using the sheet supplying section determined above, and is generated when the sheet supplying section is switched to another sheet-supplying section, or the event is generated at a predetermined time cycle. | 01-20-2011 |
20110176826 | PRINTING CONTROL APPARATUS, PRINTING CONTROL METHOD, AND PROGRAM - A printing control apparatus includes a storage unit configured to store information about a plurality of print jobs and a plurality of printing devices in a storage device, a detection unit configured to detect the shift of operating status of the plurality of printing devices, a determination unit configured to determine a print job which a printing device prints from the plurality of print jobs based on the information about the plurality of print jobs and the plurality of printing devices stored in the storage device when the shift of the printing device to a standby state is detected by the detection unit, and a print control unit configured to cause the first printing device to print the print job determined by the determination unit. | 07-21-2011 |
20120141156 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - An image forming apparatus includes a detachable unit having a memory configured to store information. The image forming apparatus further includes a first acquiring unit, a second acquiring unit, and a control unit. The first acquiring unit acquires first information on a used amount of the memory. The second acquiring unit acquires second information on a used amount of the detachable unit. The control unit controls an interval between accesses to the memory based on the first information on the used amount of the memory and the second information on the used amount of the detachable unit. | 06-07-2012 |
20140147156 | CONTROL APPARATUS, IMAGE FORMING SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM - A control apparatus includes an output unit, a transmission unit, an output-history generating unit, a transmission-history generating unit, a checking unit, and a determination-information generating unit. The output unit acquires image formation information items, and performs output processes of outputting the information items to a storage unit. The transmission unit acquires the information items, and performs transmission processes of transmitting the information items to the image forming unit. The output-history generating unit generates output histories in which an order in which unit processes constituting the output processes have been performed is recorded. The transmission-history generating unit generates transmission histories in which an order in which unit processes constituting the transmission processes have been performed is recorded. The checking unit checks whether the orders match. The determination-information generating unit generates a determination information item to be used in determination of a unit process. | 05-29-2014 |
20140286670 | APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE FROM FALLING FROM A REMOVABLE DEVICE - An information storage device installed in a removable device configured to be removably installed in an image forming apparatus body, includes: an information storage unit that stores information communicated between the image forming apparatus body and the removable device; a terminal that comes in contact with a body side terminal; and a substrate that holds the information storage unit and the terminal and includes a hole configured to be engaged with a protruding section installed in the image forming apparatus body. The terminal includes a plurality of terminals each including one of a plurality of metallic plates arranged in a transverse direction thereof. An earth terminal, which comes in contact with a body side earth terminal formed in the protruding section, is formed in the hole. The hole is disposed at a position sandwiched between two metallic plates among the plurality of metallic plates. | 09-25-2014 |
20140294422 | Systems and Methods for Universal Imaging Components - A method of operating a cartridge chip installed in an imaging device includes: causing, by the cartridge chip, the imaging device to enter an error condition; monitoring the timing or sequence of communication signals received from the imaging device during at least a portion of the error condition; and operating, based on the timing or sequence of the communication signals received from the imaging device during at least a portion of the error condition, in a first mode of operation compatible with a first type of imaging device not having a list of banned serial numbers or in a second mode of operation compatible with a second type of imaging device having a list of banned serial numbers. | 10-02-2014 |
20140301752 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main controller unit provided in a main body of the image forming apparatus. The main controller includes a replacement component management memory to store lifespan information of a replacement component is provided in An authentication operation is performed with respect to the replacement component management memory, and the lifespan information of the replacement component is encrypted and stored in the replacement component management memory. Accordingly, the security of the main controller unit may be enhanced and illegal use of the replacement component may be prevented. | 10-09-2014 |
20140341602 | APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE FROM FALLING FROM A REMOVABLE DEVICE - An information storage device installed in a removable device configured to be removably installed in an image forming apparatus body, includes: an information storage unit that stores information communicated between the image forming apparatus body and the removable device; a terminal that comes in contact with a body side terminal; and a substrate that holds the information storage unit and the terminal and includes a hole configured to be engaged with a protruding section installed in the image forming apparatus body. The terminal includes a plurality of terminals each including one of a plurality of metallic plates arranged in a transverse direction thereof. An earth terminal, which comes in contact with a body side earth terminal formed in the protruding section, is formed in the hole. The hole is disposed at a position sandwiched between two metallic plates among the plurality of metallic plates. | 11-20-2014 |
20150293485 | APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE FROM FALLING FROM A REMOVABLE DEVICE - An information storage device installed in a removable device configured to be removably installed in an image forming apparatus body, includes: an information storage unit that stores information communicated between the image forming apparatus body and the removable device; a terminal that comes in contact with a body side terminal; and a substrate that holds the information storage unit and the terminal and includes a hole configured to be engaged with a protruding section installed in the image forming apparatus body. The terminal includes a plurality of terminals each including one of a plurality of metallic plates arranged in a transverse direction thereof. An earth terminal, which comes in contact with a body side earth terminal formed in the protruding section, is formed in the hole. The hole is disposed at a position sandwiched between two metallic plates among the plurality of metallic plates. | 10-15-2015 |
20150301476 | Toner Level Sensing for a Replaceable Unit of an Image Forming Device - A method for programming memory of a replaceable unit of an electrophotographic image forming device according to one example embodiment includes determining an amount of toner in a reservoir of the replaceable unit. The amount of toner determined is converted to an estimate of an amount of rotation of a shaft that will be sensed before the reservoir of the replaceable unit runs out of usable toner. The estimate of the amount of rotation of the shaft that will be sensed before the reservoir of the replaceable unit runs out of usable toner is stored in the memory of the replaceable unit. | 10-22-2015 |
20160100072 | IMAGE FORMING APPARATUS INCORPORATING INFORMATION DETECTOR - An image forming apparatus includes an information obtainer, a memory, a candidate determining unit, and an image forming device. The information obtainer obtains feature information from the target recording medium. The memory stores at least one set of recording medium information regarding the target recording medium associated with the feature information and at least one set of image forming condition information corresponding to the recording medium information. The recording medium information is identification information. The candidate determining unit determines a candidate recording medium information from the recording medium information stored in the memory based on the feature information of the target recording medium obtained by the information obtainer. The image forming device forms an image on the target recording medium based on the image forming condition information in the memory according to the candidate recording medium information determined by the candidate determining unit. | 04-07-2016 |