Patent application number | Description | Published |
20080291304 | IMAGING DEVICE AND DRIVING METHOD THEREOF - There is provided an imaging device which eliminates complexity in reading an image in low resolution and reading an image in high resolution and realizes prevention of decrease in frame rate. The device includes a pixel region including a plurality of pixel elements and imaging an incident light of an object as an image and a reading unit for thinning out a pixel element from the pixel region to read a thinned out image in low resolution and reading a partial image in resolution higher than the thinned out image from a partial region of the pixel region (a horizontal shift register and a vertical shift register), wherein the reading unit reads the thinned out image and the partial image from mutually different pixel elements and reads the thinned out image and the partial image as different imaging frames. | 11-27-2008 |
20090021621 | IMAGE SENSING APPARATUS AND IMAGE CAPTURING SYSTEM - An image sensing apparatus comprises: a pixel array; a selection unit which selects a readout region in the pixel array; and a readout unit which reads out a signal from the readout region, wherein in thinning-out readout, the readout unit reads out signals from a first readout region corresponding to the whole pixel array at a first pixel density in a first frame period and reads out signals from a second readout region corresponding to a part of the pixel array at a second pixel density in a second frame period, the second pixel density being higher than the first pixel density, and in thinning-out readout, the selection unit causes pixels in the first readout region to perform a charge accumulation operation for a first accumulation period and causes pixels in the second readout region to perform the charge accumulation operation for a second accumulation period. | 01-22-2009 |
20090033783 | IMAGE SENSING APPARATUS AND IMAGING SYSTEM - An image sensing apparatus comprises: a pixel array in which a plurality of pixels are arrayed in a row direction and column direction; a selection unit configured to select a row of the pixel array; and a readout unit configured to read out signals from the pixels of the row selected by the selection unit, wherein, when the readout unit reads out signals from the pixels of not all rows but some rows in the pixel array, the selection unit resets the pixels of rows in adjacent regions adjacent to readout rows from which signals are read out, and the pixel array includes rows, in which the pixels are not reset by the selection unit, in regions other than the readout rows and the adjacent regions. | 02-05-2009 |
20090322903 | IMAGING SYSTEM AND METHOD OF DRIVING THE SAME - An object of the present invention is to provide an imaging system capable of improving S/N ratio and increasing dynamic range and a method of driving the imaging system suited to the improvement and increase. An imaging system includes: a solid-state imaging device having a plurality of pixels arranged in a matrix, column amplifiers each corresponding to each of columns of the pixels and an output portion for outputting an image signal based on an amplification by the column amplifier; and a signal processing portion receiving the image signal, wherein the column amplifier amplifies a signal output from the pixel by a gain q larger than 1, and the signal processing portion multiplies, by a factor less than 1, the image signal based on the signal amplified by the gain q. | 12-31-2009 |
20100321532 | SOLID-STATE IMAGING DEVICE, IMAGING SYSTEM, AND METHOD OF DRIVING SOLID-STATE IMAGING DEVICE - The invention provides a solid state imaging device and imaging system, both capable of obtaining a good image suppressing the reduction of the SN ratio thereof, suppressing the increase of the chip size of the imaging device and suppressing the increase of power consumption of a sensor without performing complicated processing even if there are regions different in luminance mutually in an imaging plane. Variable gain units provided correspondingly to columns of pixels amplify the signals from the pixels by different gains group by group of the pixels each group including a plurality of pixels according to the signals from the outside. | 12-23-2010 |
20110037868 | SOLID-STATE IMAGE SENSING ELEMENT AND IMAGE SENSING SYSTEM - In a solid-state image sensing element which includes a pixel array portion in which a plurality of pixels each including a photoelectric converter are arranged two-dimensionally, and readout circuits which read out analog pixel signals from the pixel array portion by column, and in which each of the readout circuits includes an A/D conversion circuit which converts the analog pixel signal from the pixel array portion into a digital pixel signal, and the A/D conversion circuit performs A/D conversion by comparing, by a comparison unit, a signal level of the analog pixel signal from the pixel array portion with a temporally changing reference level, a frequency band characteristic of the comparison unit is switched in accordance with the signal level of the analog pixel signal from the pixel array portion. | 02-17-2011 |
20110058079 | IMAGING DEVICE AND DRIVING METHOD THEREOF - There is provided an imaging device which eliminates complexity in reading an image in low resolution and reading an image in high resolution and realizes prevention of decrease in frame rate. The device includes a pixel region including a plurality of pixel elements and imaging an incident light of an object as an image and a reading unit for thinning out a pixel element from the pixel region to read a thinned out image in low resolution and reading a partial image in resolution higher than the thinned out image from a partial region of the pixel region (a horizontal shift register and a vertical shift register), wherein the reading unit reads the thinned out image and the partial image from mutually different pixel elements and reads the thinned out image and the partial image as different imaging frames. | 03-10-2011 |
20110122306 | IMAGE SENSING APPARATUS AND IMAGING SYSTEM - An image sensing apparatus comprises: a pixel array in which a plurality of pixels are arrayed in a row direction and column direction; a selection unit configured to select a row of the pixel array; and a readout unit configured to read out signals from the pixels of the row selected by the selection unit, wherein, when the readout unit reads out signals from the pixels of not all rows but some rows in the pixel array, the selection unit resets the pixels of rows in adjacent regions adjacent to readout rows from which signals are read out, and the pixel array includes rows, in which the pixels are not reset by the selection unit, in regions other than the readout rows and the adjacent regions. | 05-26-2011 |
20110134295 | IMAGING APPARATUS AND METHOD FOR DRIVING THE SAME - An imaging apparatus comprising: a plurality of column amplifiers, each outputting, based on the same one pixel, first and second pixel signals derived by amplifying the signal by different amplifying factors p and q; a plurality of column A/D converters for performing analog to digital conversion of the first and second pixel signals obtained; a plurality of replacing units, each selecting the first pixel signal converted by the column A/D converter when the first pixel signal converted by the column A/D converter is smaller than a threshold value, and selecting the second pixel signal converted by the column A/D converter when the first pixel signal converted by the column A/D converter is equal to or larger than the threshold value; and a horizontal scanning circuit for successively selecting the first or second pixel signals selected by the replacing units. | 06-09-2011 |
20130033630 | IMAGING SYSTEM AND METHOD OF DRIVING THE SAME - An object of the present invention is to provide an imaging system capable of improving S/N ratio and increasing dynamic range and a method of driving the imaging system suited to the improvement and increase. An imaging system includes: a solid-state imaging device having a plurality of pixels arranged in a matrix, column amplifiers each corresponding to each of columns of the pixels and an output portion for outputting an image signal based on an amplification by the column amplifier; and a signal processing portion receiving the image signal, wherein the column amplifier amplifies a signal output from the pixel by a gain q larger than 1, and the signal processing portion multiplies, by a factor less than 1, the image signal based on the signal amplified by the gain q. | 02-07-2013 |
20140016006 | DRIVING METHOD FOR IMAGE PICKUP APPARATUS AND DRIVING METHOD FOR IMAGE PICKUP SYSTEM - A driving method for an image pickup apparatus that includes a plurality of pixels each including a photoelectric conversion portion includes performing photoelectric conversion in each of the plurality of photoelectric conversion portions during a period between first time and second time, generating a plurality of first signals, each being a signal deriving from electric charge generated through the photoelectric conversion in the photoelectric conversion portion, which is a plurality of signals to be generated for each of the plurality of pixels, and generating a plurality of second signals by performing moving average processing on the plurality of first signals. | 01-16-2014 |
20150156435 | IMAGE PICKUP DEVICE, IMAGE PICKUP SYSTEM, DRIVING METHOD FOR IMAGE PICKUP DEVICE, AND DRIVING METHOD FOR IMAGE PICKUP SYSTEM - In an image pickup device, in a period for which a signal value of the comparison result signal is changed in a certain AD converter among a plurality of AD converters, the signal value of the comparison result signal changes a plurality of times in another AD converter. | 06-04-2015 |
20150163435 | DEVICE, IMAGE SENSOR, METHOD FOR DRIVING DEVICE, AND METHOD FOR DRIVING IMAGE SENSOR - There are provided an image sensor and an image capturing device that detect the cycle of cyclic noise produced by an external circuit outside the image sensor and set operation timings of the image sensor on the basis of the detected cycle. | 06-11-2015 |
20150240788 | METHOD FOR DETECTING DAMAGE OF WIND TURBINE BLADE AND WIND TURBINE - A method for detecting a damage of a wind turbine blade of a wind turbine rotor including a plurality of wind turbine blades includes: a strain data acquiring step of acquiring strain data representing strain of each of the plurality of wind turbine blades; a difference calculation step of calculating a difference between the strain data of a detection target wind turbine blade which is one of the wind turbine blades and a reference value reflecting the strain data of at least one comparison target wind turbine blade of other wind turbine blades; and a detection step of detecting the damage of the detection target wind turbine blade based on a trend of the difference calculated in the difference calculation step. | 08-27-2015 |
Patent application number | Description | Published |
20100057309 | CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION - A control device for a vehicular automatic transmission which can realize a shifting with quickened response with suppressing a turbine blow-up during the shifting is provided. When a response in hydraulic pressure control by a hydraulic pressure control circuit | 03-04-2010 |
20100198468 | CONTROL DEVICE FOR VEHICLE DRIVE DEVICE AND CONTROL METHOD FOR VEHICLE DRIVE DEVICE - A control device for a vehicle drive device that includes a drive source that outputs a drive force for running and an automatic transmission that has multiple speeds, the control device includes: a blipping control device that performs blipping control in which an output torque of the drive source is changed irrespective of an accelerator operation when a manual downshift of the automatic transmission is performed, and that changes a timing to perform next blipping control in a learning manner on the basis of an undershoot amount of a turbine speed at start of shifting of the automatic transmission. | 08-05-2010 |
20110315499 | CONTROL APPARATUS AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION - An ECU executes a program including the steps of: starting monitoring the turbine revolution speed and the output shaft revolution speed when a direct shift is started; performing complete disengagement control on a disengagement element; lowering control pressure of a disengagement element to preliminarily fixed control pressure; starting engagement control on an engagement element when a set time period Ts passes; performing complete disengagement control on the disengagement element when a set time period Ts passes; and starting the engagement control on an engagement element when turbine revolution speed NT is equal to or larger than (the synchronous revolution speed of a gear after a shift—a set value Ns). | 12-29-2011 |
20120017724 | CONTROL APPARATUS AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION - An ECU executes a program including the steps of: starting monitoring the turbine revolution speed and the output shaft revolution speed when a direct shift is started (YES in S | 01-26-2012 |
20140046560 | CONTROLLER AND CONTROL METHOD FOR VEHICLE - In a vehicle control, an automatic transmission is shifted using a predetermined shift model, which determines control operation amounts for achieving shift target values, by setting the shift target values on the basis of a torque on an output shaft-side rotating member and a speed variation amount of an input shaft-side rotating member, setting the control operation amounts on the basis of a torque on the input shaft-side rotating member, a torque capacity of an engaged-side engagement device during shifting and a torque capacity of a released-side engagement device during shifting and setting torque shares of a transmission torque between the engaged-side engagement device and the released-side engagement device during shifting when the transmission torque is converted to the torque on the input shaft-side rotating member, and timing at which the torque shares are varied is changed on the basis of a shift pattern. | 02-13-2014 |
20140330492 | ENGINE CONTROL DEVICE FOR VEHICLE - A vehicle engine control device in a vehicle including an engine, a supercharger pressurizing intake air of the engine, a supercharging pressure adjustment mechanism adjusting a supercharging pressure of the supercharger, and a stepped automatic transmission outputting power of the engine to drive wheels provides supercharging pressure suppression control of actuating the supercharging pressure adjustment mechanism so as to suppress a rise in the supercharging pressure in a process of a rise in the supercharging pressure of the supercharger, the supercharging pressure suppression control is limited during a shift of the automatic transmission as compared to after the shift of the automatic transmission. | 11-06-2014 |
20150184599 | CONTROL SYSTEM FOR VEHICLE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE DURING|TRANSMISSION GEAR SHIFTING - A control system for a vehicle performs torque down control to reduce torque of an engine by cutting off supply of fuel to at least one of the cylinders of the engine during an inertia phase of a power-on upshift. During the torque down control, the throttle opening is reduced to smaller than a throttle opening including an amount by which the throttle opening is increased so as to compensate for a part of the amount of torque reduction, by means of one or more cylinders to which the fuel continues to be supplied. | 07-02-2015 |
Patent application number | Description | Published |
20140200778 | GEAR SHIFT CONTROL APPARATUS FOR VEHICLE - A torque sharing rate is set as a constraint of a motion equation of an automatic transmission by using a gear shift model in which gear shift target values are set by two values of a torque on a rotating member on an output shaft side and a rotation speed variation of a rotating member on an input shaft side. In addition, a first gear shift according to the gear shift control and a second gear shift that uses a gear shift model in which the gear shift target value is set using only the velocity variation of the rotating member on the input shaft side to enable a speedier gear shift than the first gear shift are selectively executed. | 07-17-2014 |
20150051047 | VEHICLE DRIVE APPARATUS CONTROL APPARATUS - A control device of a vehicle drive device includes an engine, a supercharger pressurizing intake air of the engine, and an automatic transmission outputting power of the engine to drive wheels. The control device makes a temporal rise rate of an engine torque larger from a predetermined time point during an upshift of the automatic transmission, the upshift being a shift with the engine torque after end of the upshift made larger than that before start of the upshift, the predetermined time point being made earlier when a response delay of supercharging by the supercharger becomes larger. During the upshift, the engine torque is raised in accordance with an assumed progress of the upshift from the predetermined time point and the assumed progress of the upshift being an assumption that the upshift does not progress until the predetermined time point and the upshift starts progressing from the predetermined time point. | 02-19-2015 |
20150184740 | VEHICLE TRANSMISSION CONTROLLER - The present invention executes a desired gear shift of an automatic transmission using gear shift modeling even when there are three control inputs to two target gear shift values. Setting torque share ratio as a constraint on the equation of motion for the automatic transmission is suitable for controlling the transfer of engaging unit torque, which is considered to be difficult in variable speed control, and allows solving of the equation of motion. Viewed from a different angle, because the torque share ratio, which represents the torque transfer, has been set as a constraint, any gear shift pattern can be handled with a single gear shift model. | 07-02-2015 |
20150252891 | GEAR SHIFT CONTROL APPARATUS FOR VEHICLE - In a gear shift control apparatus for a vehicle, since a torque sharing rate is set as a constraint for a motion equation for an automatic transmission, suitable control in torque delivery, which is considered difficult in gear shift control, can be implemented and also the motion equation can be solved. Furthermore, when at least four control operation amounts must be determined in order to achieve two gear shift target values, another engaging device is classified into any of an engaging-side clutch and a releasing-side clutch depending on how another clutch torque acts on progress of a gear shift, hence in addition to achieving torque sharing in accordance with a torque sharing rate between the engaging-side clutch and the releasing-side clutch, torque sharing among a plurality of engaging devices classified into a same side can be arbitrarily set. As a result, the respective control operation amounts can be determined. | 09-10-2015 |
20150260280 | SHIFT CONTROL DEVICE AND SHIFT CONTROL METHOD FOR VEHICLE - Torque shares that express an exchange of torque are set as a constraint condition of an equation of motion of an automatic transmission, so it is suitable to control an exchange of torque between engagement devices, which is difficult in shift control, and it is possible to solve the equation of motion. In other words, it is possible to handle any shift pattern with the use of a predetermined shift model. Furthermore, at the time of a shift in which two elements are released and two elements are engaged, a first shift and a second shift in each of which one element is released and one element is engaged are carried out, so three control operation amounts are used in each of the first shift and the second shift, with the result that it is possible to solve the equation of motion. | 09-17-2015 |