Patent application number | Description | Published |
20150260780 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - A semiconductor device includes a transistor, a diode, a first detection circuit, a second detection circuit, a calculation circuit, and a determination circuit. The diode is connected in reverse parallel with the transistor. The first detection circuit is configured to detect a change rate of a gate voltage of the transistor with respect to time. The second detection circuit is configured to detect a gate current of the transistor. The calculation circuit is configured to calculate a gate capacitance based on the change rate of the gate voltage with respect to time, and the gate current. The determination circuit is configured to determine, based on a determination result of the gate capacitance when a charge is injected to a gate of the transistor, whether a current flows to the diode or to the transistor. | 09-17-2015 |
20150263514 | SEMICONDUCTOR DRIVE APPARATUS - A semiconductor drive apparatus includes a first control unit configured, when an overcurrent is detected flowing between a first main electrode and a second main electrode of a switching element, to make a gate of the switching element conductive with a predetermined reference potential, to make a control voltage applied between the gate and the first main electrode lower, and to turn off the switching element; a detection unit configured to detect a current generated accompanying charge or discharge of a feedback capacitance between the gate and the second main electrode; and a second control unit configured, when the overcurrent and the current generated accompanying the charge or discharge of the feedback capacitance are detected, to make a resistance between the gate and the reference potential lower. | 09-17-2015 |
20160079974 | CURRENT CONTROL CIRCUIT - A current control circuit includes a first drive switching device, a gate power source, a control switching device, a first resistor, an operational amplifier, and a switching circuit. The operational amplifier includes: an output terminal connected to the control switching device; a non-inverting input terminal; and an inverting input terminal configured to receive a reference potential. The switching circuit is configured to: input a value based on a potential difference between both ends of the first resistor to the non-inverting input terminal when a current flowing through the first drive switching device is equal to or smaller than a threshold level; and input a value based on a potential on a current pathway between the control switching device and the first drive switching device to the non-inverting input terminal when the current flowing through the first drive switching device is greater than the threshold level. | 03-17-2016 |
Patent application number | Description | Published |
20080253803 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a drum unit having an electrophotographic photosensitive drum; and a developing unit rotatably connected with the drum unit at a center of rotation, the developing unit including a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum with a developer, a developer accommodating portion accommodating the developer, a supply opening, extending in an axial direction of the developing roller, for supplying the developer to the developing roller from the developer accommodating portion; wherein the rotation axis is within a width of the sealing member as seen in a direction perpendicular to a surface of the sealing member. | 10-16-2008 |
20110116832 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge is provided detachably mountable to a main assembly of an electrophotographic image forming apparatus. The process cartridge includes an electrophotographic photosensitive drum, a frame for supporting the electrophotographic photosensitive drum, a developing roller, and a developer supplying roller. The process cartridge further includes portions-to-be-supported, portions-to-be-positioned, a portion-to-be-urged, and a cartridge side developer supply roller bias contact. The process cartridge can be positioned with high accuracy relative to the main assembly of an image forming apparatus. | 05-19-2011 |
20110123223 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge includes an electrophotographic photosensitive drum and a frame for supporting the electrophotographic photosensitive drum. The process cartridge also includes a first portion-to-be-positioned for being positioned to a first main assembly side positioning portion provided in the main assembly of an apparatus, a second portion-to-be-positioned for being positioned to a second main assembly side positioning portion provided in the main assembly of the apparatus, and a longitudinal positioning portion to be positioned by a main assembly side longitudinal positioning portion provided in the main assembly of the apparatus. The apparatus still further includes a portion-to-be-urged for receiving an inclined downward elastic force of a first main assembly side elastic member provided in the main assembly of the apparatus to urge the longitudinal positioning portion and the second portion-to-be-positioned. | 05-26-2011 |
20110222906 | CLEANING DEVICE, CARTRIDGE AND IMAGE FORMING APPARATUS - A cleaning device for removing a developer remaining on an image bearing member from the image bearing member includes a cleaning device, including an elastic blade elastically contacted to the image bearing member and a supporting member for supporting the elastic blade, for removing the developer remaining on the image bearing member from the image bearing member; an image bearing member bearing member including a supporting portion for rotatably supporting the image bearing member; and a removed developer accommodating container formed of a material having a thermal expansion coefficient different from that of a material for the supporting member, the removed developer accommodating container including an accommodating portion for accommodating the developer removed by the cleaning device. The image bearing member bearing member is fixed to the supporting member. The removed developer accommodating container is fixed to the supporting member. The image bearing member bearing member and the removed developer accommodating container are provided with a gap therebetween with respect to a longitudinal direction of the supporting member. | 09-15-2011 |
20110286764 | PHOTOSENSITIVE DRUM, PROCESS CARTRIDGE AND FLANGE MOUNTING METHOD - A photosensitive drum for use with an image forming apparatus, includes a cylinder; a flange provided at a longitudinal end of said cylinder, wherein the flange has an outer diameter smaller than an inner diameter of the cylinder; and a resin material injected in a gap in a radial direction between the cylinder and the flange and fixing said flange to the cylinder. | 11-24-2011 |
20120093538 | Electrical contact, electrophotographic photosensitive drum, and process cartridge - An electrical contact member for electrically connecting to an external contact which is electrically connected with an electroconductive cylindrical member having a photosensitive layer on an outer surface thereof and which is provided outside the cylindrical member, the electrical contact member comprising a first contact portion contacted with the cylindrical member; a second contact portion contacted with the external contact; a first extension connected electrically with the first contact portion and extending in a diametrical direction across an axis of the cylindrical member; and a second extension electrically connecting with the first extension and extending the diametrical direction toward the axis, the second extension being provided with the second contact portion, wherein when second contact portion is contacted by the external contact, second contact portion displaces along the axis. | 04-19-2012 |
20140056614 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge includes an electrophotographic photosensitive drum, a frame for supporting the electrophotographic photosensitive drum, a developer roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum with a developer, and a developer supplying roller for supplying the developer to the developing roller. The process cartridge also includes first and second portions-to-be-positioned on ends of the cartridge, and a portion-to-be urged for receiving an elastic force. A developer supplying roller bias contact is provided exposed at an end side of the process cartridge for receiving a supplying roller bias voltage to be supplied to the developer side supplying roller, with the cartridge side developer supplying roller bias facing obliquely downward. | 02-27-2014 |
Patent application number | Description | Published |
20130315618 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus includes a plurality of cartridges, and a moving member to which the plurality of cartridges is detachably attached. Of a pair of cartridges attached to the moving member and adjacent to each other, one cartridge has a recessed portion recessed from a frame member thereof and extending in an attachment direction of the cartridge, and the other cartridge has a raised portion protruding from the frame member thereof and extending in the attachment direction. The raised portion provided on the other cartridge enters the recessed portion provided in the one cartridge when the pair of cartridges is attached to the moving member. Positions of the raised portion and the recessed portion overlap each other as viewed in an axial direction of the image bearing member. | 11-28-2013 |
20140064784 | PACKAGED CARTRIDGE, PACKING MATERIAL AND CARTRIDGE - A packaged cartridge detachably mountable to an image forming apparatus includes: (i) a cartridge provided with a grip portion; (ii) a frame portion accommodating the cartridge, the frame portion including an opening and a recessed portion so that the grip portion is exposed through the opening so as to be capable of being gripped; and (iii) a cap portion movable, in a state in which the cartridge is accommodated in the recessed portion, relative to the frame portion between an open position where the opening is open and a closed position where the opening is closed. Such a gap is provided between the cartridge and an inner surface of the frame portion that when the frame portion is moved relative to the cap portion in an opening direction with a cap portion side of the packaged cartridge down, the cartridge interferes the inner surface of the frame portion. | 03-06-2014 |
20140161489 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus for forming an image on a recording material, includes: a mounting portion to which a cartridge is detachably mounted; a drive transmission member for transmitting a driving force by being engaged with a drive-transmitted member provided on the cartridge when the cartridge is mounted to the mounting portion; and a protecting member movable between a protecting position where the drive transmission member is prevented from being exposed toward the mounting portion and an open position where the protecting member is retracted from the protecting position to expose the drive transmission member to the mounting portion thereby to permit engagement of the drive transmission member with the drive-transmitted member. | 06-12-2014 |
20140270845 | CARTRIDGE DETACHABLY MOUNTABLE TO MAIN ASSEMBLY OF ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, ASSEMBLING METHOD FOR DRIVE TRANSMITTING DEVICE FOR PHOTOSENSITIVE DRUM, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - With a structure in which a coupling member includes a sphere providing a center of inclination (pivoting), a rotational force transmitted member has an opening have a diameter smaller than that of the sphere, and the coupling member is prevented from disengaging from rotational force transmitted member by contact of inner edge of the opening to the sphere, the inner edge of the opening may limit an inclinable (pivotable) angle range of the coupling member. In a state that a pin that is a shaft portion is inserted in a hole that is a through-hole provided in a coupling member, opposite end portions of the pin are supported by a driving side flange, which is a rotational force transmitted member. The coupling member, the driving side flange, and the pin are connected in this manner, and the pin contacts the inside of the hole without limiting the inclinable (pivotable) angle range, by which the coupling member is prevented from disengaging from the driving side flange. | 09-18-2014 |
20150114870 | PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER - A packing member for packing a cartridge which is detachably mountable to an image forming apparatus includes: a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a limiting portion, provided in the first recessed portion, for limiting a position of the cartridge with respect to the direction crossing a limiting portion of the cartridge; and a cap portion, provided rotatably connected to the frame portion by a hinge portion, for openably covering the opening. The limiting portion limits the position of the cartridge so that the cartridge is located in a position where a grip portion of the cartridge is remoter from the hinge portion than the center line of the cartridge with respect to the crossing direction and a direction crossing an entering direction in which the cartridge enters the frame portion. | 04-30-2015 |
20150153708 | PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER - A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion. | 06-04-2015 |
20150185688 | IMAGE FORMING APPARATUS AND MAIN ASSEMBLY OF THE IMAGE FORMING APPARATUS - An image forming apparatus includes: a main assembly provided with an opening; an openable member movable between a closed position and an open position; and the cartridge, including a portion-to-be-urged, detachably mountable to the main assembly at a mounting completion position. The openable member includes a guiding portion including a supporting surface, a recessed portion provided partway of the supporting surface, and an urging portion as a part of the supporting surface. When the openable member is in the open position, the supporting surface is capable of guiding the cartridge to the opening. During a closing operation of the openable member, the urging portion and the portion-to-be-urged contact each other to push the cartridge toward the mounting completion position. When the openable member is in the closed position, a spacing is provided between the recessed portion and the portion-to-be-urged. | 07-02-2015 |
20160091822 | PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER - A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion. | 03-31-2016 |
Patent application number | Description | Published |
20090028018 | Optical disc apparatus and recording power determining method thereof - A method of determining a recording power used to record information to an optical disc, includes carrying out test recording which records predetermined data to a predetermined area of the optical disc to determine the recording power, and recording predetermined data with a power equal to or more than the determined recording power to an area adjacent to the predetermined area. | 01-29-2009 |
20090168619 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK - Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing back the thus manufactured optical disk on a reproduction apparatus, the barcode data can be played back using the same optical pickup. | 07-02-2009 |
20110286315 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK - Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing back the thus manufactured optical disk on a reproduction apparatus, the barcode data can be played back using the same optical pickup. | 11-24-2011 |
Patent application number | Description | Published |
20110199079 | CURRENT SENSOR AND BATTERY WITH CURRENT SENSOR - A current sensor includes a magnetic detection element having a resistance value changed by applying inductive magnetic field from measurement target current, a magnetic core provided in the vicinity of the magnetic detection element, and a coil generating magnetic field attenuating the inductive magnetic field. A constant level current in a predetermined range of output voltage of the magnetic detection element flows in the coil, and the measurement target current is detected on the basis of the output voltage of the magnetic detection element. | 08-18-2011 |
20110202295 | CURRENT MEASURING DEVICE - A current measuring device includes a conductor in which detection target current flows, at least two magnetic sensors that detect change of magnetic field generated when the detection target current flows in the conductor, and a calculation unit that calculates magnitude of the detection target current from an output of the magnetic sensor. At least two magnetic sensors are provided at different distances from the conductor, and the calculation unit acquires distances between the magnetic sensors and the conductor to calculate magnitude of the detection target current using the distances. | 08-18-2011 |
20110294420 | COMMUNICATION SYSTEM - A communication system includes a transmitter that applies an electric field, obtained by modulating an information signal for wideband communication, to a transmission medium. The transmitter includes a transmission electrode, a transmission circuit that outputs the information signal for the wideband communication, and a first band controller that controls a band of the information signal for the wideband communication. When the transmission medium is in contact with the transmission electrode and the transmission medium and the transmission electrode are capacitively coupled to each other, the first band controller performs control to provide a band that is necessary for a receiver to perform demodulation for the wideband communication, and when the transmission medium is not in contact with the transmission electrode, the first band controller performs control to provide a narrower band than the band that is necessary for the wideband communication. | 12-01-2011 |
20110294421 | COMMUNICATION SYSTEM - A communication system according to the present invention includes a transmitter | 12-01-2011 |
Patent application number | Description | Published |
20130075006 | Pneumatic Tire - A pneumatic tire includes a turbulent flow generating fin on a surface of a tire side portion. A plurality of the fins is arranged in a tire radial direction having a predetermined gap so as to form a fin row. Additionally, a plurality of the fin rows is disposed in a tire circumferential direction at a predetermined pitch. Moreover, the adjacent fins are disposed so as to overlap each other in the tire circumferential direction and a tire radial direction. | 03-28-2013 |
20130263991 | Pneumatic Tire - A pneumatic tire is provided including a plurality of protrusions and a plurality of recesses of at least one tire side portion. A region including the recesses is provided in the outermost side in a tire radial direction. The protrusions are formed as convexities having a longitudinal shape in a predetermined direction. A region including the protrusions is provided inward in the tire radial direction of the region including the recesses. | 10-10-2013 |
20140008000 | Pneumatic Tire Unit - A pneumatic tire unit comprises a front tire to be mounted on a leading side of a vehicle, and a rear tire to be mounted on a trailing side of the vehicle. A plurality of recesses is provided in at least one tire side portion of the front tire, and a plurality of protrusions is provided on at least one tire side portion of the rear tire. A negative pressure region that can be generated at a back surface side of the vehicle is reduced and, therefore, air resistance of the vehicle is reduced and fuel economy is enhanced. | 01-09-2014 |
20150136292 | Pneumatic Tire - In a tire, protrusions are disposed at intervals in the tire circumferential direction in at least one tire side portion, extending in an elongated manner from the inner side to the outer side in the tire radial direction including the maximum tire width position, the extension direction of each of the protrusions is inclined with respect to the tire radial direction, and the each of the protrusions adjacent to each other in the tire circumferential direction is disposed with the opposite orientation of the inclination with respect to the tire radial direction. | 05-21-2015 |
20150183275 | Pneumatic Tire - The pneumatic tire having a vehicle inner/outer orientation when mounted on a vehicle includes: protrusions provided on a vehicle inner side on a tire side portion in a tire circumferential direction; and a plurality of recesses provided on a vehicle outer side on a tire side portion, wherein the height of projection of the protrusions from the tire side portion is more than 4 mm and not more than 10 mm, the protrusions are formed elongated and the bending rigidity in a lateral direction satisfies a range not less than 0.1 MPa·mm | 07-02-2015 |
20150266347 | Pneumatic Tire - A pneumatic tire has a plurality of long radially extending ridges disposed at intervals in the tire circumferential direction on at least one side section of the tire, the ridges being non-uniformly disposed around the tire circumferential direction. The ridges are disposed, for example, so that the angles θ between the ridges vary in the tire circumferential direction. | 09-24-2015 |
Patent application number | Description | Published |
20130051704 | EXPOSURE CONDITION DECISION SUPPORT SYSTEM AND METHOD - A console of an X-ray imaging system functions as a query receiver and a retrieval section to support decision on an exposure condition. The query receiver receives a retrieval query such as an exposed body portion and an exposure direction. The retrieval section refers to an exposure date of image files having the same patient ID number, and calculates an exposure interval between a pair of prior and subsequent image files the exposure dates of which are the nearest to each other. The exposure interval is compared with a threshold value. If the exposure interval is less than the threshold value, neither image file is assigned as a model image file. If the exposure interval is the threshold value or more, the subsequent image file is assigned as the model image file. The retrieval section retrieves the image file matching the retrieval query out of the model image files. | 02-28-2013 |
20130208852 | RADIOGRAPHIC SYSTEM AND CONTROL METHOD THEREOF - A detection field setting unit of a console sets a detection field of detection pixels of an electronic cassette which are used to detect the dose of X-rays passing through a subject so as to correspond to each irradiation position on the basis of irradiation positions of an X-ray source set by a driving condition setting unit and ROI information such as the position and the size of a region of interest (ROI) of the subject M input through an input device and the height thereof from a radiography platform. The electronic cassette performs an automatic exposure control of detecting the dose of X-rays by the use of the detection pixels in the detection field set by the detection field setting unit of the console and automatically controlling the irradiation dose of X-rays on the basis of the detected dose, when performing a radiographing operation at the irradiation positions. | 08-15-2013 |
20130251232 | SYSTEM AND METHOD FOR RADIOGRAPHING INFORMATION MANAGEMENT AND RECORDING MEDIUM STORING PROGRAM THEREFOR - A search processing unit of a central server searches for radiographing information matched with a designated radiographing part, among all items of the radiographing information of a medical facility having radiographing information matched with a detection device ID from a storage device. A sorting unit performs classification into medical facilities (first group), in which the radiation dose after an X-ray image detection device of the designated detection device ID is introduced has changed from that before the introduction, and medical facilities (second group) in which the radiation dose after the X-ray image detection device of the designated detection device ID is introduced has not changed. A statistical data generation unit generates a histogram, in which the range of radiation dose is set as the class on the horizontal axis and the number of medical facilities is set as the frequency on the vertical, for each of first and second groups. | 09-26-2013 |