Kakishima
Aya Kakishima, Ebina-Shi JP
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20110064492 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes: a belt member provided to be circularly movable; a first fixing member disposed inside the belt member; a second fixing member that is disposed to be in press contact with the first fixing member across the belt member, and forms a press contact portion between the belt member and the second fixing member; a pressing member that presses the belt member against the second fixing member, the pressing member having a pressing surface that presses an inner peripheral surface of the belt member on a downstream side of the press contact portion in a moving direction of the belt member; and a suppressing unit that suppresses looseness in a portion of the belt member in the width direction thereof, the portion being located on the downstream side of the press contact portion and an upstream side of the pressing surface in the moving direction of the belt member. | 03-17-2011 |
Aya Kakishima, Kanagawa JP
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20110081173 | SEPARATION UNIT, FIXING UNIT AND IMAGE FORMING APPARATUS - A separation unit is provided on a downstream side of a contact area between a belt-like rotating body and a pressure rotating body. The separation unit includes a pressure member, a guide portion and a pressure portion. The pressure member extends along a width direction of the belt-like rotating body, and presses the belt-like rotating body to deform the belt-like rotating body into a bent shape changing a course away from a surface of the pressure rotating body. The guide portion is on the pressure rotating body side of the pressure member to guide the belt-like rotating body so that an angle portion of the bent shape bites into the pressure rotating body. The pressure portion is on the surface in the pressure rotating body side, and the surface separates sequentially from the pressure rotating body in the extending direction from a center portion to an end portion. | 04-07-2011 |
Aya Kakishima, Ashigarakami-Gun JP
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20080247797 | Recording Medium Deburring Apparatus and Image Forming Apparatus - The recording medium deburring apparatus is provided with: a transporting device that transports a recording medium; and a pressure applying device that applies pressure to edge portions of the recording medium. The edge portions are in parallel to a transporting direction of the recording medium transported by the transporting device. | 10-09-2008 |
Hiroyuki Kakishima, Shizuoka-Ken JP
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20100011920 | METHOD AND APPARATUS FOR MACHNING V GROOVES - There is provided a V-groove machining method and apparatus which, by measuring the depth of a V groove cut by a cutting tool and correcting the cutting depth of the cutting tool based on the measurement data, enables high precision machining of four-sided pyramids having vertices of a uniform height. The V-groove machining method includes the steps of: feeding a cutting tool relative to a workpiece in a first direction to create a first V groove, extending in the first direction, in the surface of the workpiece, and repeating this machining operation to create first V grooves at a predetermined pitch; moving the cutting tool along one of the first V grooves and scanning the first V groove with a distance sensor, disposed near the cutting tool, to measure the distance to the bottom of the first V groove, thereby detecting undulation of the bottom of the first V groove along the first direction; and feeding the cutting tool relative to the workpiece in a second direction orthogonal to the first direction to create a second V groove in the surface of the workpiece, and repeating this machining operation while correcting the position of the cutting tool in the machining position for each second V groove based on the results of detection of the undulation, thereby creating second V grooves at a predetermined pitch. | 01-21-2010 |
Hiroyuki Kakishima, Kawasaki-Shi JP
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20090302532 | CONVEYANCE APPARATUS, CONTROL METHOD THEREFOR, AND PRINTING APPARATUS - A conveyance apparatus increases the conveyance precision of a conveyance unit. The conveyance apparatus has first and second conveyance rollers. The conveyance apparatus includes a DC motor serving as a driving source for the conveyance rollers, a first encoder which outputs a first pulse signal in accordance with rotation of the first conveyance roller, a second encoder which outputs a second pulse signal in accordance with rotation of the second conveyance roller, and a control unit having a first mode in which the DC motor is controlled based on first information about the first pulse signal when executing a conveyance operation to convey a sheet by using the first and second conveyance rollers, and a second mode in which the DC motor is controlled based on second information about the second pulse signal when executing a conveyance operation to convey a sheet by using the second conveyance roller. | 12-10-2009 |
20100266321 | PRINTING APPARATUS, CONVEYANCE APPARATUS, AND FEED-CONVEYANCE CONTROL METHOD - This invention relates to an apparatus and method capable of appropriately preventing a printing medium from being diagonally conveyed upon feed regardless of changes in printing medium feed conditions. In this invention, the maximum output value of a PWM signal is compared with the sum of a predetermined bias value and the PWM signal when a sensor detects the tip of a fed printing medium. If the sum is smaller than the maximum output value, it is monitored that the value of the PWM signal increases by the bias value. If the sum is equal to or larger than the maximum output value, it is monitored that the conveyance speed of the printing medium becomes smaller than a predetermined threshold value. Control is performed on the basis of the monitor results to stop driving a DC motor that supplies a driving force to rollers used for feed and conveyance. | 10-21-2010 |
Hiroyuki Kakishima, Takata-Gun JP
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20100242693 | CUTTING-EDGE POSITION DETECTING METHOD AND CUTTING-EDGE POSITION DETECTING APPARATUS - The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations; connecting the newly recognized points on the respective two edge lines, so as to obtain two second-level approximate linear lines by a least-squares method; and obtaining a coordinate of an intersection of the second-level approximate linear lines, as the position of the cutting edge of the tool, with respect to the measurement reference point. | 09-30-2010 |
20110217905 | GRINDING MACHINE HAVING THE FUNCTION OF MEASURING DISTANCE - The invention relates to a grinding machine for grinding a workpiece, which has been set on a chuck top surface, by moving a rotating grinding wheel in relation to the workpiece. The grinding machine includes: a microscope configured to be vertically movable; a CCD camera configured to take an image viewed through the microscope; and an image processor configured to process the image taken by the CCD camera to measure a vertical distance between a reference plane of the microscope and an object of the microscope. The image processor is adapted to measure the vertical distance between the reference plane of the microscope and the object of the microscope based on sharpness of the image, which corresponds to how clear the microscope is focused. | 09-08-2011 |
Hiroyuki Kakishima, Tokyo JP
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20120200629 | PRINTING METHOD AND PRINTING APPARATUS - A plurality of images is sequentially printed on a sheet, and the sheet is cut at a cut position that is behind the finally-printed image. At that time, if an inappropriate region of the fed sheet that is not suited to printing is detected, and the detected inappropriate region is behind the finally-printed image, the cut position is changed to be behind the detected inappropriate region. | 08-09-2012 |
20130100222 | PRINTING APPARATUS - A decision is made for each page as to whether to allow image printing on that page, by comparing the remaining sheet length DL with a length of an image about to be printed, IL. A length of a non-printed, rear-end cut sheet is also checked to determine whether the non-printed cut sheet needs to be further cut into smaller sheets. This arrangement can prevent a complete image to be printed in one page from being broken and only partly printed in the last portion of a paper roll, ensure that printed cut sheets and non-printed cut sheets are stably conveyed and discharged and enable the non-printed cut sheets to be almost equal in size so that they can be properly accommodated in the associated tray. | 04-25-2013 |
Shoichi Kakishima, Shizuoka-Ken JP
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20130250024 | COMPONENT SUPPORTING DEVICE AND INK-JET DEVICE - According to one embodiment, a component supporting device includes a cover having a through-hole, a support covered with the cover, a component arranged between the cover and the support, and a fixing tool which is inserted into the through-hole of the cover from an outside of the cover and sandwiches the component between the support and the fixing tool. The fixing tool includes an elastically deformable main body having an apical surface to butt to the component, a hook provided on the main body to engage with an edge of the through-hole inside the cover, and an operating portion provided on the main body to protrude from the through-hole outside the cover which is configured to release the engagement of the hook with the edge of the through-hole through elastic deformation of the main body. | 09-26-2013 |
Yuichi Kakishima, Tokyo JP
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20110256897 | BASE STATION APPARATUS, USER EQUIPMENT AND PRECODING METHOD - The present invention provides a base station apparatus capable of preventing degrading of throughput performance even when feedback information amount on precoding in uplink MIMO transmission is reduced. This base station ( | 10-20-2011 |
20120140723 | BASE STATION APPARATUS AND INFORMATION FEEDBACK METHOD - To suitably transmit feedback information for rank adaptation and precoding in uplink MIMO transmission to a user apparatus as feedback, a base station apparatus ( | 06-07-2012 |
20120195264 | BASE STATION APPARATUS, MOBILE STATION APPARATUS AND TRANSMISSION POWER CONTROL METHOD - To suppress deterioration of throughput characteristics in the entire system even when a plurality of transmission antennas is placed in an indoor environment, a base station apparatus (eNode B) is provided with a power control matrix generating section ( | 08-02-2012 |
20130033979 | MOBILE TERMINAL APPARATUS, RADIO BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD - Provided are a mobile terminal apparatus, a radio base station apparatus and a radiocommunication method, capable of saving PHICH resources enough and realizing effective retransmission control of uplink SU-MIMO. The radio communication method of the present invention is characterized in that a radio base station apparatus receives signals of plural codewords, when there is an error in each of the codewords, generates a one-bit negative response physical HARQ indicator channel signal and transmits the physical HARQ indicator channel signal, and a mobile terminal apparatus receives the physical HARQ indicator channel signal and transmits retransmission signals of all the codewords to the radio base station apparatus based on the negative response physical HARQ indicator channel signal. | 02-07-2013 |
20130034066 | RADIO BASE STATION APPARATUS, MOBILE TERMINAL DEVICE AND WIRELESS COMMUNICATION METHOD - To provide a radio base station apparatus, mobile terminal device and wireless communication method for enabling the SRS to be used efficiently in an LTE-A system, a wireless communication method of the invention is characterized in that a radio base station apparatus performs OFDM modulation on a transmission signal including transmission information on sounding reference signals for each transmission antenna, and transmits the OFDM-modulated transmission signal, and that a mobile terminal device receives the signal including the transmission information, controls a transmission aspect of the sounding reference signals for each transmission antenna based on the transmission information, and transmits the sounding reference signals in the transmission aspect for each transmission antenna. | 02-07-2013 |
20130058279 | DATA TRANSMITTING METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - The data rate in MIMO transmission is increased to a maximum even when a number of transmitting antennas of a base station apparatus is different from the number of transmitting antennas of the base station apparatus supported by a mobile station apparatus. The base station apparatus (eNodeB) reports the number of transmitting antennas provided for the base station apparatus to the mobile station apparatus UE (ST | 03-07-2013 |
20130083757 | DATA TRANSMITTING METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A data rate in MIMO transmission is increased to a maximum even when the number of transmitting antennas of a mobile station apparatus is different from the number of transmitting antennas of the mobile station apparatus supported by a base station apparatus. The base station apparatus (eNodeB) reports the maximum number of supported antennas of the mobile station apparatus (UE) supported by the base station apparatus (eNodeB) to the mobile station apparatus (UE) (ST | 04-04-2013 |
20130182671 | COMMUNICATION CONTROL METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To notify the control information necessary for uplink MIMO transmission while reducing overhead, generated is a UL grant having the PMI/RI field and non-transmission/swap flag field of 1 bit indicative of a transport block made non-transmission and the presence or absence of a swap of control information between two transport blocks corresponding to a value of the PMI/RI field, a downlink control channel signal including the UL grant is transmitted to a mobile station apparatus, and the transport block made non-transmission and the presence or absence of a swap of control information between two transport blocks is determined from the non-transmission/swap flag of the UL grant. | 07-18-2013 |
20130182672 | MOBILE TERMINAL APPARATUS AND RADIO COMMUNICATION METHOD - The present invention provides a mobile terminal apparatus and a radio communication method which can feed back precoders that are essential to generate precoding weights in downlink MIMO transmission. With the present invention, in the first mode to feed back subband second PMIs that are selected per bandwidth part through a physical uplink control channel, a subband second PMI and a wideband second PMI are selected from a second codebook, the subband second PMI and the wideband second PMI are multiplexed on a subframe, and the multiplex signals is transmitted to a radio base station apparatus through the above physical uplink control channel. | 07-18-2013 |
20130182787 | COMMUNICATION CONTROL METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - In order to suppress deterioration of the throughput performance of the whole system in the MIMO system performing MIMO transmission, the present invention is characterized in that in a codebook in which there are defined a plurality of precoding weights and a plurality of PMIs (Precoding Matrix Indicators) assigned to the precoding weights, bit information of the PMIs assigned to the precoding weights is adjusted in such a manner as to suppress an effect of feedback error from a mobile station apparatus. The bit information of the PMIs assigned to the precoding weights is adjusted in such a manner as to suppress an effect of a transmission beam formed with a PMI in which feedback error is detected. | 07-18-2013 |
20130195035 | MOBILE TERMINAL DEVICE AND RADIO BASE STATION APPARATUS - Disclosed is a mobile terminal device and a radio base station apparatus capable of effectively feeding back PMIs by selecting a precoder using double codebooks W | 08-01-2013 |
20130215988 | FEEDBACK METHOD, MOBILE TERMINAL APPARATUS AND RADIO BASE STATION APPARATUS - The present invention makes it possible to generate precoding weights reliably, even in downlink MIMO transmission using a plurality of transmitting antennas. The present invention includes: a first feedback information selection section ( | 08-22-2013 |
20130230007 | FEEDBACK METHOD AND MOBILE TERMINAL APPARATUS - The present invention makes it possible to feed back PMIs that are required to generate precoding weights, while securing improvement of throughput performance, in downlink MIMO transmission using a plurality of transmitting antennas. With the present invention, in a mode to include a PTI (Precoder Type Indicator) in a PUCCH and feedback the PTI to a radio base station apparatus for downlink MIMO transmission using a plurality of transmitting antennas, the transmission cycle of feedback information corresponding to report 2 and report 3 when the value of the PTI is 0 are made different from the transmission cycle of feedback information corresponding to report 2 and report 3 when PTI=1 and the former feedback information and the latter feedback information are multiplexed, and the multiplexed signal is transmitted to the radio base station apparatus by the PUCCH. | 09-05-2013 |
20140362946 | RADIO BASE STATION APPARATUS, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD - The present invention is designed to implement radio communication to maintain good communication quality even when the number of antennas provided in a radio base station apparatus is greater than the number of transmission layers of a downlink control channel, a broadcast channel, and cell-specific reference signals. When, from a radio base station apparatus ( | 12-11-2014 |
20150078289 | RADIO COMMUNICATION SYSTEM, MOBILE TERMINAL APPARATUS, RADIO BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD - The present invention is designed to realize signaling of DM-RS sequence parameters for improving the flexibility of allocation of DM-RS resources in a system having complex cell structures. According to the radio communication method of the present invention, in a radio communication system supporting a system band formed with a plurality of component carriers by carrier aggregation, a radio base station apparatus allocates uplink DM-RS sequences per mobile terminal apparatus and per component carrier, and reports DM-RS sequence allocation information, and a mobile terminal apparatus generates DM-RS sequences using the allocation information reported from the radio base station apparatus. | 03-19-2015 |