Patent application number | Description | Published |
20080309206 | IMAGE FORMING APPARATUS - An image forming apparatus and printer are provided. The image forming apparatus includes a plurality of side frames opposed to each other; an intermediate frame provided between the plurality of side frames; a plurality of first screws for connecting the side frames and the intermediate frame at first mutually opposed positions of the side frames; and a plurality of second screws for connecting the side frames and the intermediate frame at second mutually opposed positions of the side frames; wherein a distance between the first mutually opposed positions of the first screws is narrower than a distance between the second mutually opposed positions of the second screws. | 12-18-2008 |
20090092432 | Image Forming Apparatus - An image forming apparatus is provided. The image forming apparatus includes a housing; a sheet discharging tray; a discharge unit, provided within the housing, the discharge unit configured to discharge a sheet into the sheet discharging tray; a pressing member, provided at a position downstream of the discharge unit in a conveying direction of the sheet, the pressing member configured to apply a pressing force to a surface of the sheet at a pressing position; and a pressing force changing unit which is configured to change the pressing force of the pressing member against the surface of the sheet. | 04-09-2009 |
20090214245 | Image Forming Apparatus - An image forming apparatus includes a body frame defining an opening configured to receive a cartridge installed in an installation direction, and a power supply terminal disposed on the body frame. The power supply terminal can be configured to supply power to an installed cartridge by making contact with a power supplied portion disposed in the cartridge The power supply terminal may include a main body protruding from the body frame toward the opening and extending from an upstream side, with respect to the installation direction, toward a downstream side, and an engaging portion disposed upstream from the main body in the installation direction and protruding in a direction orthogonal to the installation direction. The engaging portion may be configured to engage the body frame. | 08-27-2009 |
20100074648 | IMAGE-FORMING DEVICE HAVING DETACHABLE PROCESS CARTRIDGE - An image forming device capable of attaching and detaching a process cartridge to and from a frame without mechanical interference of the process cartridge with sheet feed unit and an LED array and without any movement of the LED array, | 03-25-2010 |
20100074649 | IMAGE-FORMING DEVICE HAVING PHOTOSENSITIVE DRUM AND LED ARRAY - An image forming device capable of attaching and detaching a process cartridge to and from a frame without moving an LED array when a door is open. The process cartridge includes a first casing supporting a photosensitive drum and a developing roller, and a second casing pivotally movably connected to the first casing and supporting a charger. The second casing is pivotally movable between a first position in which the charger is positioned close to the LED array for image forming operation, and a second position in which the charger is remote from the LED array in accordance with push-in and pull-out movement of the first casing relative to the frame. | 03-25-2010 |
20110026963 | Image Forming Apparatus - An image forming apparatus including an image forming unit; a pair of frames that faces each other with sandwiching the image forming unit therebetween, at least one of the pair of frames including: a first frame, which is made of resin, and which forms a lower part thereof; and a second frame, which forms an upper part thereof; a duct that forms an air passageway between an outer side of the pair of frames and an inner side of the pair of frames; a fan that generates airflow in the duct; and a rib wall, which forms at least a part of the duct, and which is integrally molded with the first frame, wherein a width of the rib wall, increases from an upper end side of the first frame to a lower end side of the first frame. | 02-03-2011 |
20110052251 | Image Forming Apparatus - An image forming apparatus includes: an image forming unit; a sheet feeding unit; an upper frame; a sheet feeding frame; and a lower frame. The upper frame includes: a pair of sheet-metal components, each of which is punched out in a right-left direction; and a first contact part facing a first direction. The sheet feeding frame is made of a resin component and is arranged between a space defined by the pair of sheet-metal components and includes a second contact part at a face facing the first direction. The lower frame supports the upper frame and the sheet feeding frame from below and includes a contacted part facing a second direction opposite to the first direction. A relative position in a front-rear direction between the upper frame and the lower frame is defined by contacting the contacted part with both of the first contact part and the second contact part. | 03-03-2011 |
20110129250 | Image Forming Apparatus - An image forming apparatus includes: a main body frame placed on a placement surface; an image forming unit provided at an upper portion in the main body frame and forms an image on a recording medium; and an accommodation unit provided at a lower portion in the main body frame and accommodates the recording medium to be fed to the image forming unit, wherein the main body frame includes an upper frame that supports the image forming unit, and a lower frame that has a rigidity lower than the rigidity of the upper frame, supports the upper frame from below, and supports the accommodation unit, the upper and lower frames are covered with a cover member, and a combining unit is provided between the upper frame and the cover member, and combines the cover member with the upper frame without being restricted by the lower frame. | 06-02-2011 |
20110129276 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a recording medium cassette storing recording medium; an image forming unit, a feed unit; an upper frame that supports the image forming unit and the feed unit; and a lower frame in which the recording medium cassette is detachably attached, the upper frame being disposed on the lower frame, and the lower frame having rigidity lower than the rigidity of the upper frame, the lower frame including a rail for guiding the recording medium cassette to a predetermined receiving position, wherein the feed unit has a groove portion formed along a direction parallel to a horizontal direction, the recording medium cassette has a first convex portion which is fitted in the groove portion when the recording medium cassette is attached in the lower frame, the recording medium cassette having a second convex portion which is contact with a portion of the rail of the lower frame. | 06-02-2011 |
Patent application number | Description | Published |
20120159228 | IMAGE FORMING APPARATUS - An image forming apparatus is provided, which includes a control unit, one or more motors, and a plurality of power supply management devices each of which includes one or more driving circuits for driving the motors, one or more power supply circuits for supplying electricity to the control unit and an external device, a signal output unit issuing a halting signal to the other power supply management devices in response to detection of an abnormality in the power supply management device, a halting unit halting an operation of the power supply management device in response to receipt of a halting signal from one of the other power supply management devices and detection of the abnormality in the power supply management device, and a restoring unit restoring the halted operation of the power supply management device in response to a predetermined restoring condition being satisfied. | 06-21-2012 |
20130257929 | IMAGE FORMING APPARATUS - An image forming apparatus may includes a central processing device, a first switching regulator and a second switching regulator. The central processing device may perform information processing associated with image formation. The first switching regulator may receive an input of a first voltage and output a second voltage which is lower than the first voltage. The second switching regulator may receive an input of the second voltage and output a third voltage which is lower than the second voltage. The third voltage may be input to the central processing device. A first switching frequency which is a switching frequency of the first switching regulator may be lower than a second switching firequency which is a switching frequency of the second switching regulator. | 10-03-2013 |
20130257972 | IMAGE FORMING APPARATUS - An image forming apparatus may be configured to enter a first state where electric power is supplied from a power supply and a second state where no electric power is supplied from the power supply. A capacitor may be connected to the power supply, and may be charged by the power supply in the first state. A controller may be connected to the capacitor, and may operate with electric power supplied from the capacitor in the second state. The controller may operate with electric power supplied from the power supply in the first state. The controller may cause the image forming apparatus to enter the first state upon detecting that the image forming apparatus is in a predetermined state. The controller may acquire the related information and may cause the image forming apparatus to enter the second state. | 10-03-2013 |
20150229811 | IMAGE READING APPARATUS - An image reading apparatus includes: a reading unit having a plurality of photoelectric conversion elements arranged in a main scanning direction; a white reference plate arranged to face the reading unit; a motor configured to move at least one of an original and the reading unit relative to each other; and a controller configured to: control the reading unit to read the white reference plate to obtain white reference data; determine, based on a driving velocity of the motor, whether relative position between the original and the reading unit has changed by a predetermined distance; and output a displacement signal in a case of determining that the relative position between the original and the reading unit has changed by the predetermined distance. | 08-13-2015 |
Patent application number | Description | Published |
20090042386 | Semiconductor device using metal nitride as insulating film and its manufacture method - A first insulating film is formed on a semiconductor substrate. A second insulating film made of insulating metal nitride is formed on the first insulating film. A recess is formed through the second insulating film and reaches a position deeper than an upper surface of the first insulating film. A conductive member is buried in the recess. A semiconductor device is provided whose interlayer insulating film can be worked easily even if it is made to have a low dielectric constant. | 02-12-2009 |
20150056381 | METHOD FOR FORMING CONDUCTIVE FILM - A method for forming a conductive film on a substrate includes forming a precursor-containing film on the substrate; and irradiating plasma of a treatment gas to the precursor-containing film by an atmospheric pressure plasma treatment device, removing the organic substances and forming a conductive film from the metallic fine particles or the metallic compounds, the atmospheric pressure plasma treatment device including: a microwave generator, a hollow waveguide, a gas supply device, and an antenna portion configured to discharge to the outside, whereby the treatment gas being converted to plasma by the microwaves, the plasma thus generated being irradiated to the precursor-containing film on the substrate, and a hydrogen radical density of the plasma at a position spaced apart 7 mm from the slot holes being equal to or higher than 2×10 | 02-26-2015 |
20150140788 | Apparatus and Method for Producing Group III Nitride Semiconductor Device and Method for Producing Semiconductor Wafer - The production apparatus includes a shower head electrode, a susceptor for supporting a growth substrate, a first gas supply pipe, and a second gas supply pipe. The first gas supply pipe has at least one first gas exhaust outlet and supplies an organometallic gas containing Group III metal as a first gas, and the second gas supply pipe supplies a gas containing nitrogen gas as the second gas. The distance between the shower head electrode and the susceptor is greater than the distance between the first gas exhaust outlet of the first gas supply pipe and the susceptor. | 05-21-2015 |