Patent application number | Description | Published |
20140018987 | TORQUE DISTRIBUTION APPARATUS, TORQUE DISTRIBUTION METHOD, TORQUE DISTRIBUTION VALUE GENERATION METHOD, AND PROGRAM - A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.2 and based on the instructed torque and torque optimizing efficiency, a torque distribution value for each of the motors such that total efficiency ηtotal=Σ((Tn/T)×ηdn×ηλn) is maximized; and controls based on the calculated torque distribution values, torque distribution among motors. | 01-16-2014 |
20140067181 | TORQUE DISTRIBUTION APPARATUS, TORQUE DISTRIBUTION METHOD, TORQUE DISTRIBUTION VALUE GENERATION METHOD, AND PROGRAM - A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values. | 03-06-2014 |
Patent application number | Description | Published |
20140232841 | RADIATION VIDEO PROCESSING DEVICE, RADIATION VIDEO CAPTURING DEVICE, RADIATION VIDEO CAPTURING SYSTEM, RADIATION VIDEO PROCESSING METHOD AND PROGRAM STORAGE MEDIUM - A radiographic video processing device includes: an acquisition section that acquires gradation signals expressing charges; and a control section that, if capture of a video image formed from plural frames is being performed with a radiation detector, and a number of the pixels, from which charges are combined and read by switching elements included in adjacent pixels of the radiation detector, has been increased, effects control such that, from a frame at a time of the increase up until a predetermined frame, the gradation signals distributed in a higher density range than that for frames subsequent to the predetermined frame are used as image data. | 08-21-2014 |
20140233701 | RADIOGRAPHIC IMAGING CONTROL DEVICE, RADIOGRAPHIC IMAGING SYSTEM, RADIOGRAPHIC IMAGING DEVICE CONTROL METHOD, AND RECORDING MEDIUM - A radiographic imaging control device is provided with a radiation detector, amplifiers and a controller. A plurality of pixels are arrayed in the radiation detector, each pixel including a sensor portion that generates charges in accordance with irradiated radiation and a switching element that is for reading out the charges generated at the sensor portion. Each amplifier is provided in correspondence with a respective pixel of the radiation detector, is equipped with a resetter that resets charges remaining at an integration capacitor, and amplifies an electronic signal according to the charges read out by the switching element from the corresponding pixel by a pre-specified amplification factor. In accordance with pre-specified conditions, the controller controls so as to alter a bias current supplied to the amplifiers in at least some periods of resetting by the resetter. | 08-21-2014 |
Patent application number | Description | Published |
20100054406 | RADIOGRAPHIC IMAGING SYSTEM, RADIOGRAPHIC IMAGING DEVICE, CONTROL DEVICE, AND RADIOGRAPHIC IMAGING CONTROL METHOD - There is provided a radiographic imaging system including: a radiographic imaging device including a generating section that captures a radiographic image expressed by irradiated radiation and generates image information expressing the captured radiographic image, and a first communication section that transmits, plural times and by wireless communication and even during a response wait time period, imaging start instructing information that instructs starting of imaging when preparations for capturing a radiographic image by the generating section have been completed; and a control device having a second communication section that can communicate by wireless communication with the first communication section, and a control section that controls a radiation irradiating section such that radiation is irradiated with respect to the radiographic imaging device in a case in which the second communication section receives any of the imaging start instructing information that are transmitted plural times from the first communication section. | 03-04-2010 |
20100054624 | RADIOGRAPHIC IMAGING DEVICE, IMAGE PROCESSING DEVICE - There is provided a radiographic imaging device including: a radiation detector having plural sensor portions; a receiving unit that receives request data requesting radiation irradiation permission from a control device that controls a radiation source; a control unit that controls the radiation detector such that an accumulation extraction operation is repeatedly performed that extracts charge that has accumulated in each sensor portions of the radiation detector, the accumulation extraction operation being performed after a specific accumulation period has elapsed that is greater than the irradiation period of radiation; a determination unit that determines whether or not radiation irradiation of the irradiation period from the radiation source is possible within the accumulation period of the accumulation extraction operation; and a permission unit that permits radiation irradiation if the determination unit has determined that irradiation is possible, and otherwise that permits radiographic image after starting the accumulation period of the next accumulation extraction operation. | 03-04-2010 |
20100078583 | RADIATION IMAGE CAPTURING SYSTEM - A radiation image capturing system is provided. A radiation source control device includes a first timing component, and a control component that, when a time of the first timing component has reached a pre-specified exposure start time, controls a radiation source, which emits radiation, and performs control to cause radiation to be irradiated for a predetermined duration from the radiation source. A radiation image capturing device includes a second timing component that measures time, which is synchronized with the first timing component, a sensor portion that generates charges in accordance with irradiation of radiation and that is irradiated with the radiation from the radiation source, and a generation component that, after a time of the second timing component has passed through the predetermined duration from the exposure start time, reads out the charges generated at the sensor portion and generates image data representing a radiation image. | 04-01-2010 |
20100207032 | RADIOGRAPHIC IMAGE CAPTURE SYSTEM, RADIATION GENERATION DEVICE, IMAGE CAPTURE CONTROL DEVICE AND RADIOGRAPHIC IMAGE CAPTURE DEVICE - A radiographic image capture system is provided. The system includes: a radiation source control component that, when capturing a radiographic image, controls a radiation source such that radiation for image capture is irradiated after radiation for notification of radiation exposure commencement has been irradiated; a detection component that is provided within an irradiation range of radiation irradiated from the radiation source and that detects radiation irradiated from the radiation source; and a radiographic image capture device that includes: a generation component that has a sensor section with sensitivity to radiation and that generates image information denoting a radiographic image represented by radiation irradiated onto the sensor section, and an image capture control component that, when radiation for notification has been detected by the detection component, controls the generation component such that a radiographic image is captured with the radiation for image capture irradiated after detection. | 08-19-2010 |
20120018640 | RADIATION IMAGE CAPTURING DEVICE AND RADIATION IMAGE CAPTURING METHOD - A radiation image capturing device includes: an image capturing unit that captures a radiation image using irradiated radiation; a radiation detection unit that detects the radiation; a determination unit that determines whether image capturing preparation is completed; and a control unit that starts detection of the radiation by the radiation detection unit, in a case in which the determination unit determines that the image capturing preparation is completed, and controls the image capturing unit to capture a radiation image, in a case in which the radiation detection unit detects the radiation. | 01-26-2012 |
20120018641 | RADIATION IMAGE CAPTURING DEVICE, RADIATION IMAGE CAPTURING SYSTEM, AND RADIATION IMAGE CAPTURING METHOD - A radiation image capturing system includes: a radiation image capturing device that includes an irradiation detecting/image capturing mode in which a start of irradiation of radiation is detected and a radiation image is captured; a detection unit that detects whether a radiographer has completed positioning of a subject with respect to the radiation image capturing device or has completed image capturing preparation; and a control unit that controls the radiation image capturing device to transit to the irradiation detecting/image capturing mode, in a case in which it is detected by the detection unit that the radiographer has completed the positioning of the subject or has completed the image capturing preparation. | 01-26-2012 |
20120161026 | IMAGE CAPTURE CONTROLLER AND RADIOGRAPHIC IMAGE CAPTURE SYSTEM - An image capture controller includes: a communication unit that communicates with a portable radiographic image capture device that captures a radiographic image and generates image data indicating the captured radiographic image; a measuring unit that measures a duration of an off state of a power supply when a power supply of the portable radiographic image capture device has been turned off; and a controlling unit that controls the communication unit such that, if the measured duration is equal to or greater than a predetermined value, a calibration is performed in the portable radiographic image capture device when the power supply thereof is changed from off to on, and such that, if the measured duration is less than the predetermined value, the calibration is not performed in the portable radiographic image capture device when the power supply thereof is changed from off to on. | 06-28-2012 |
20120163542 | PORTABLE RADIOGRAPHIC IMAGE CAPTURE DEVICE, IMAGE CAPTURE CONTROLLER, AND RADIOGRAPHIC IMAGE CAPTURE SYSTEM - A portable radiographic image capture device includes a radiographic image data generating unit, a wired communication unit that and performs wired communication with an image capture controller; a wireless communication unit that performs wireless communication with a communication base station; a storing unit that stores first wireless communication configuration data related to a first communication base station; and an update unit that, when the image capture controller is wire-connected, acquires from the image capture controller second wireless communication configuration data related to a second communication base station with which the image capture controller performs wireless communication, and updates the first wireless communication configuration data with the acquired second wireless communication configuration data. | 06-28-2012 |
20120166607 | PORTABLE RADIOGRAPHIC IMAGE CAPTURE DEVICE, IMAGE CAPTURE CONTROLLER AND RADIOGRAPHIC IMAGE CAPTURE SYSTEM - A portable radiographic image capture device includes: an radiographic image data generating unit; a wired communication unit that includes a connecting terminal and that performs wired communication with an image capture controller; a wireless communication unit; a storing unit that stores, as an IP address used to identify the device itself, a first IP address used to perform wired communication and a second IP address used to perform wireless communication; and a setting unit that sets the first IP address as the IP address to perform communication with the image capture controller in a case in which the connecting terminal and the image capture controller are wire-connected, and sets the second IP address as the IP address to perform communication with the image capture controller in a case in which the image capture controller is disconnected from the connecting terminal. | 06-28-2012 |
20140241502 | RADIOLOGICAL IMAGE-CAPTURING DEVICE, RADIOLOGICAL IMAGE-CAPTURING SYSTEM, RADIOLOGICAL IMAGE-CAPTURING METHOD, AND PROGRAM - A radiological image-capturing device includes: a first read control section that executes a first read mode in which electric signals stored in a plurality of pixels are read out simultaneously in units of a plurality of rows; and an emission-start determining section that determines that the emission of radiation from a radiation source onto an image-capturing panel has started when the values of the electric signals read by the first read control section have become greater than an arbitrarily settable threshold. If it is determined by the emission-start determining section that the emission of the radiation has started, the first read control section terminates the reading of the electric signals, and thereby brings the image-capturing panel into an exposure state. | 08-28-2014 |
20140374610 | RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM, CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - The present invention may suppress feedthrough components in video imaging, Namely, TFT driving waveforms are plurally overlapped, and an integration period of capacitors C of amplification circuits is set so as to encompass a generation period of a feedthrough component (OFF), a generation period of a feedthrough component (ON), and a period in which charges (a signal component) are read out from storage capacitors of pixels by ON states of the TFTs. A number of driving waveforms to be overlapped is determined in accordance with a frame rate, the integration period and a reset period, or the like. | 12-25-2014 |
20150085980 | RADIOLOGICAL IMAGE-CAPTURING DEVICE, RADIOLOGICAL IMAGE-CAPTURING SYSTEM, RADIOLOGICAL IMAGE-CAPTURING METHOD, AND PROGRAM - A radiological image-capturing device includes: a first read control section that executes a first read mode in which electric signals stored in a plurality of pixels are read out simultaneously in units of a plurality of rows; and an emission-start determining section that determines that the emission of radiation from a radiation source onto an image-capturing panel has started when the values of the electric signals read by the first read control section have become greater than an arbitrarily settable threshold. If it is determined by the emission-start determining section that the emission of the radiation has started, the first read control section terminates the reading of the electric signals, and thereby brings the image-capturing panel into an exposure state. | 03-26-2015 |
Patent application number | Description | Published |
20120245421 | ENDOSCOPE SYSTEM AND ILLUMINATION LIGHT CONTROL METHOD THEREFOR - In an endoscope system, a light guide for conducting illumination light from a light source to an endoscope distal end consists of a first fiber bundle and a second fiber bundle. Optical fibers of the first fiber bundle have a smaller numerical aperture than optical fibers of the second fiber bundle. A light volume control mechanism is controlled to project the illumination light only from the first fiber bundle in a close-up inspection mode. In an ordinary inspection mode, the illumination light is projected only from the second fiber bundle. When the volume of light projected from the second fiber bundle toward a target site is insufficient in the ordinary inspection mode, the light volume control mechanism is controlled to let the illumination light be projected from the first fiber bundle. | 09-27-2012 |
20120253121 | ELECTRONIC ENDOSCOPE - A distal portion of an electronic endoscope is formed with a cutaway portion and a distal end surface. The distal portion is provided with side-viewing and front-viewing capturing optical systems. The side-viewing capturing optical system has a side-viewing objective lens, a prism with a half mirror surface, and a varifocal lens. Light incident on the half-mirror surface from the side-viewing objective lens is reflected to be incident on a CCD through the varifocal lens. Moving the varifocal lens allows the side-viewing capturing optical system to switch from normal observation to magnifying observation and vice versa. In the magnifying observation, a best focus position resides on an extension, of an outer circumferential surface of the distal portion, facing the cutaway portion. | 10-04-2012 |
20120253129 | ENDOSCOPE AND LIGHTING OPTICAL DEVICE THEREFOR - A lighting optical device is disposed in a distal portion of an endoscope, and illuminates a target with light transmitted through a light guide. An optical element has an incident surface facing the light guide, an outer circumferential portion having light reflection function, and a convex exit surface. In a lens mounting hole formed in the distal portion, a lens is housed in front of and at a predetermined distance away from the optical element fixed in a lens barrel. An outer diameter of the lens is greater than that of the optical element. To allow light rays, coming out of a peripheral portion of the exit surface of the optical element and traveling parallel with an optical axis, to be incident on the lens, a diameter of a space between the optical element and the lens is greater than or equal to the outer diameter of the optical element. | 10-04-2012 |
20130085328 | CAMERA MODULE FOR ENDOSCOPE AND ENDOSCOPE - One end of a cable connecting fitting is fixed to a transmission cable. After a locking claw provided on the other end of the cable connecting fitting is locked to the tip surface of a mounting tube portion of a prism holder, the mounting tube portion and the cable connecting fitting are fixed to each other. An image area sensor is close to the inner circumferential surface of a distal end hard portion, and a camera module is disposed in the distal end hard portion. The cable connecting fitting can be disposed at a free space between the inner circumferential surface of the distal end hard portion and the image area sensor. The size of the cable connecting fitting can be increased within a range of the free space, connection strength is secured, and separation of the prism or junctions and rupture of the transmission cable can be suppressed. | 04-04-2013 |
20130222563 | ELECTRONIC ENDOSCOPIC APPARATUS AND CONTROL METHOD THEREOF - An electronic endoscopic apparatus includes an endoscopic scope, an imaging device provided in the endoscopic scope, a signal processing unit processing a captured image signal obtained by the imaging device to generate an observation image, a monitor device displaying the observation image, and a control unit controlling the signal processing unit to generate a high definition observation image and a high sensitivity observation image as the observation image, in which the control unit makes the signal processing unit generate the high sensitivity observation image at the time of screening the inside of the biological body, and generate the high definition observation image at the time of precise inspecting for an interest area in the body. | 08-29-2013 |