Patent application number | Description | Published |
20080242931 | CAPSULE ENDOSCOPIC SYSTEM AND OPERATION CONTROL METHOD OF CAPSULE ENDOSCOPE - A receiver of capsule endoscopic system downloads diagnostic information of a patient obtained by a past diagnosis from a data storage of work station. A data analyzer of the receiver compares the diagnostic information and present information obtained by use of a capsule endoscope during endoscopy. A CPU produces a control command in which a frame rate of image shooting by use of the capsule endoscope is set based on an analysis result of the data analyzer. The produced control command is wirelessly transmitted via a radio wave from the receiver. The capsule endoscope wirelessly receives the control command from the receiver via the radio wave, and performs image shooting with the frame rate set by the control command. | 10-02-2008 |
20090189762 | Electronic device - During communication periods between transportable electronic cassette and an image reading device by laser light, laser light detection is carried out by peripheral light sensors provided at the periphery of laser light receiving regions of the electronic cassette and the image reading device. The detected value of the received light amount of the laser light by the peripheral light sensor is monitored to see whether or not the detected value exceeds a reference value, the detected value at the start of communication, by a specific value or greater. If the detected value of the received light amount exceeds the reference value by the specific value or greater, then it is concluded that there has been a relatively large change in the relative position of the electronic cassette and the image reading device, and emission is halted of the laser light from the electronic cassette and the image reading device. | 07-30-2009 |
20090190922 | Communication system - A communication system includes a first device and a second device. The first device includes a first housing including a first guiding member, a modulator modulating a laser beam based on transmission information, and an emission unit emitting the laser beam that has been modulated. The second device includes a second housing including a light-receiving region on an outer surface of the second housing, a receiver that, when a relative position between the first and the second housings is adjusted to a communicable position at which the modulated laser beam is incident within the light-receiving region, receives the transmission information from the first device by detecting the modulated laser beam and demodulating the transmission information based on the detection result, and a second guiding member being disposed on the second housing and guides the first and the second housings to the communicable position by contacting the first guiding member. | 07-30-2009 |
20090190923 | Electronic apparatus - A system including a device equipped with a reception section, a reception condition detection section and a control section. A partner device emits laser light and modulates the laser light in accordance with transfer subject information. Relative positions of the partner device and the device are adjusted to a communication-possible position, at which the laser light from the partner device is incident in a light reception region of the device. In this state, the reception section receives the transmission subject information from the partner device by detecting the incident laser light and demodulating the transmission subject information therefrom. The reception condition detection section detects a deterioration in a reception condition. If a deterioration in the reception condition is detected, the control section produces a warning or stops emissions of laser light from the partner device. | 07-30-2009 |
20090192348 | CAPSULE ENDOSCOPE, METHOD OF CONTROLLING THE SAME, AND INFORMATION MANAGER - A capsule endoscope swallowable in a body is provided, and includes an image pickup device for picking up an image in the body. A transmitter externally transmits information of the image. By use of an acceleration sensor, a capsule moving speed is detected in the body. A CPU as pixel number changer changes a pixel number of the image, namely resolution of the image according to information of the capsule moving speed. The CPU sets the pixel number lower according to lowness of the capsule moving speed. Also, the CPU sets the pixel number lower according to lowness of a capsule moving distance, and/or according to highness of similarity degree between plural consecutive images. Preferably, the CPU sets the pixel number by at least one of pixel binning, pixel thinning and pixel averaging. | 07-30-2009 |
20090192351 | CAPSULE ENDOSCOPE AND CAPSULE ENDOSCOPE SYSTEM - When a program is started upon turning on a power, a capsule endoscope (CE) is activated under a normal shooting mode and starts shooting images with light sources on. Using a remote controller for mode change, a mode change command is emitted to the CE. The image data thus obtained is input to a mode changer. The mode changer analyzes the image data and switches to a setting change mode when the image data is recognized as the mode change command. A two-dimensional code is displayed on a monitor of a command production device. The two-dimensional code is shot with a CCD. The image data thus obtained is input to a setting changer. The setting changer rewrites an argument in a setting value table to an argument designated by the setting change command. | 07-30-2009 |
20090214220 | Electronic device - The main power source unit of an image read-out device supplies power to an laser diode (LD) power supply unit of an electronic cassette through a contact. The LD power supply unit supplies the supplied power to a laser diode (LD), as power used for emitting laser light, and also supplies a portion of the supplied power to an LD power supply unit of the image read-out device through a contact. The power supplied to the LD power supply unit of the image read-out device is supplied as power for emitting laser light to an LD of the image read-out device. When there is a change in the relative position of the casings of the electronic cassette and the image read-out device, the contact and electrical continuation of the contacts breaks and laser light stops being emitted from the LDs. | 08-27-2009 |
20090220052 | Portable radiation image converting device - A portable radiation image converting device has: an image data generating unit that is sensitive to radiation, and that generates image data expressing a radiation image manifested by radiation that is transmitted through a subject and is irradiated onto an image-receiving surface; a storage unit storing image data generated by the image data generating unit; and one or more projecting units projecting, to a device exterior, various types of information including a radiation image expressed by image data that is stored in the storage unit. Various types of information including a radiation image that is generated by radiation, that has been transmitted through a subject and irradiated onto an image-receiving surface, and is stored in a memory, are projected to a device exterior by a projecting device. A portable radiation image converting device at which confirmation of a stored radiation image is easy to carry out is thereby provided. | 09-03-2009 |
20090278047 | Electronic device - A transportable electronic cassette and an image reading device carry out communication by laser light between themselves, with the separation distance to the casing of the opposing device detected by separation distance sensors provided respectively to the electronic cassette and the image reading device. The value of the separation distance detected is monitored to see whether or not the separation distance exceeds a reference value of the detected value at the start of communication by a specific value or more. Conclusion can be made that there has been a relatively large change in the relative position of the electronic cassette and the image reading device if the detected value of the separation distance becomes greater than the reference value by the specific value or more, and consequently emission is halted of the laser light from the electronic cassette and the image reading device. | 11-12-2009 |
20110186741 | Radiographic image capturing apparatus, radiographic image capturing system, and method of supplying electric power to radiographic image capturing apparatus - A radiographic image capturing apparatus has a radiation source device including a radiation source for outputting radiation, and a detector device including a radiation detector for detecting radiation that is transmitted through a subject when the subject is irradiated with radiation by the radiation source, and converting the detected radiation into a radiographic image. At least one of the radiation source device and the detector device has an electric power supply limiting unit for limiting supply of electric power, and the electric power supply limiting unit controls supply of electric power between the radiation source device and the detector device, depending on timing of an image capturing process. | 08-04-2011 |
20110188633 | Radiographic image capturing apparatus and radiographic image capturing system - A radiographic image capturing apparatus has a radiation source device including a radiation source, and a detector device including a radiation detector. At least one of the radiation source device and the detector device includes an electric power supply limiting unit for limiting supply of electric power. The electric power supply limiting unit has an activator/deactivator for determining activation or deactivation of supply of electric power between the radiation source device and the detector device, based on a present position of a corresponding one of the radiation source device and the detector device, or based on distance between the radiation source device and the detector device, and an electric power supply activator for enabling supply of electric power between the radiation source device and the detector device, if the activator/deactivator determines activation of supply of electric power between the radiation source device and the detector device. | 08-04-2011 |
20120045110 | METHOD OF ENCODING A RADIOGRAPHIC IMAGE SIGNAL, METHOD OF DECODING A RADIOGRAPHIC IMAGE SIGNAL, RADIOGRAPHIC IMAGE DETECTION DEVICE AND RADIOGRAPHIC IMAGE SIGNAL GENERATION DEVICE - From a radiation detecting unit for detecting a radiographic image of a subject by receiving radiation transmitted through the subject, a radiographic image signal representing the radiographic image is read out, and information about an imaging operation carried out to obtain the radiographic image of the subject is obtained. The radiographic image signal is encoded with using key information based on the obtained information about the imaging operation to generate an encoded radiographic image signal, and the encoded radiographic image signal is outputted as a radio communication signal. | 02-23-2012 |
20120126129 | RADIOGRAPHIC IMAGE CAPTURING APPARATUS - A radiographic image capturing apparatus includes a photodetector substrate, a scintillator, a switching filter, and a resetting light source, which are arranged successively in this order. If the switching filter is made permeable to resetting light from the resetting light source, the switching filter allows resetting light to be applied to the photodetector substrate through the scintillator, whereas, if the switching filter is made impermeable to the resetting light, the switching filter reflects at least a fluorescence, which is converted from radiation by the scintillator, toward the photodetector substrate. | 05-24-2012 |
20120132820 | RADIOGRAPHIC IMAGE DETECTING APPARATUS AND RADIOGRAPHIC IMAGE CAPTURING SYSTEM - A radiographic image detecting apparatus and a radiographic image capturing system are provided. The radiographic image detecting apparatus includes a plurality of photoelectric conversion elements for generating electric charge by emission of radiation, a bias line through which a bias voltage is supplied to the photoelectric conversion elements, a power supply for applying the bias voltage to the photoelectric conversion elements through the bias line, a current detector for detecting a bias current flowing through the bias line, and a reading circuit including an amplifying circuit. The current detector includes a current mirror circuit connected between the bias line connected to the photoelectric conversion elements and the power supply. | 05-31-2012 |
20120132824 | RADIOGRAPHIC IMAGE DETECTING APPARATUS AND RADIOGRAPHIC IMAGE CAPTURING SYSTEM - A radiographic image detecting apparatus and a radiographic image capturing system are provided. The radiographic image detecting apparatus includes photoelectric conversion elements for generating electric charge by emission of radiation, a bias line through which a bias voltage is supplied to the photoelectric conversion elements, a power supply for applying the bias voltage to the photoelectric conversion elements through the bias line, a current detector for detecting a bias current flowing through the bias line based on a voltage drop across a resistor inserted in the bias line, a first amplifying circuit, a second amplifying circuit connected to an output of the first amplifying circuit, and a controller for correcting the electric signal by increasing a gain of the second amplifying circuit depending on decrease in a sensitivity of the photoelectric conversion element, the decrease being caused by the voltage drop. | 05-31-2012 |
20130228694 | RADIOGRAPHIC IMAGING DEVICE - A radiographic imaging device that may detect irradiation states of radiation is provided. Pixels for radiation detection that are provided in a radiation detector of an electronic cassette are configured with characteristics thereof being alterable. The characteristics are set in accordance with the imaging conditions of a radiation image by a cassette control section of the electronic cassette. | 09-05-2013 |
20130300737 | STEREOSCOPIC IMAGE GENERATING APPARATUS, STEREOSCOPIC IMAGE GENERATING METHOD, AND STEREOSCOPIC IMAGE GENERATING PROGRAM - At least one of parallax images for left and right eyes to be fusionally displayed to perform stereopsis using binocular parallax is generated at low resolution or low sharpness of such a degree that a subject in the parallax image is observable as a stereoscopic image when an observer observes the subject in an observation mode in which the two fusionally displayed parallax images are stereoscopically viewable, and also of such a degree that the subject is recognizable as a plane image when an observer observes the subject in an observation mode in which the two fusionally displayed parallax images are not stereoscopically viewable. | 11-14-2013 |
20140056409 | RADIATION IMAGE CAPTURING SYSTEM, RADIATION DETECTING APPARATUS, IMAGE CAPTURING BASE AND RADIATION IMAGE CAPTURING METHOD - A radiation image capturing system includes a first image capturing apparatus for capturing a radiation image of a subject, a second image capturing apparatus for capturing a radiation image of the subject, the second image capturing apparatus having a specification different from that of the first image capturing apparatus, an image correcting device for correcting the radiation image of the subject which is captured by the second image capturing apparatus such that the radiation image of the subject which is captured by the second image capturing apparatus has the same magnification as that of the radiation image of the subject which is captured by the first image capturing apparatus, and a display unit for displaying the corrected radiation image. The radiation images captured by the image capturing apparatus of different specifications are corrected to have the same magnification. | 02-27-2014 |
20140061496 | RADIOGRAPHIC IMAGING DEVICE AND COMPUTER READABLE MEDIUM - There is provided a radiographic imaging device including: a radiation detector including plural radiographic image acquisition pixels that are arranged in a matrix in an imaging region for capturing a radiographic image and that acquire image information representing the radiographic image by converting applied radiation into electric charges and storing the electric charges and plural radiation detection pixels that are arranged in the imaging region, that have mutually different characteristics, and that detect the applied radiation by converting the applied radiation into electric charges and storing the electric charges; and a detecting unit that uses the radiation detection pixels selectively according to the characteristics to detect a state of application of the radiation. | 03-06-2014 |
20140072103 | RADIOGRAPHIC IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - An X-ray imaging apparatus includes an FPD and short-circuited pixels. The FPD has pixels arranged in arrays for detecting an X-ray image. The short-circuited pixels detect a radiation dose of X-rays in the FPD. The X-ray imaging apparatus is changed over between first and second operating modes. The first operating mode is selected in case of combining with an X-ray generating apparatus with communication compatibility, and performs an exposure control for controlling a total radiation dose according to a detection signal from the short-circuited pixels. The second operating mode is selected in case of combining with an X-ray generating apparatus with communication incompatibility, and performs control of start synchronization for synchronizing operation of the FPD with the emission start of X-rays according to a detection signal from the short-circuited pixels. Thus, control of the X-ray imaging apparatus is changed over appropriately. | 03-13-2014 |
20140079310 | RADIATION EXPOSURE DOSE OBTAINING APPARATUS, METHOD, AND PROGRAM - In a case where a radiation exposure dose of a subject is obtained in a radiation exposure dose obtaining apparatus based on a radiation image signal of each frame detected by a radiation image detector by continuously performing radiological imaging of the subject due to the continuous radiological imaging, an area corresponding to a region of the subject is set in an image represented by the radiation image signal and a radiation exposure dose is obtained for each set area. | 03-20-2014 |
20140086390 | RADIATION EXPOSURE DOSE OBTAINING METHOD AND APPARATUS, AND RADIATION IMAGE CAPTURING SYSTEM - In the case where a radiation exposure dose of a human body that includes an artificial object is obtained based on a radiation image signal detected by a radiation image detector through the application of radiation transmitted through the human body, information of the artificial object included in the human body is obtained and, in the case where information indicating that an artificial object is included in the human body is obtained as the information of the artificial object, a correction is performed to increase the radiation exposure dose, which is based on the radiation image signal, by a predetermined correction radiation exposure dose. | 03-27-2014 |
20140086391 | RADIOGRAPHIC IMAGE DETECTING DEVICE AND CONTROL METHOD THEREOF - An X-ray image detecting device has an FPD having a matrix of pixels each for accumulating signal charge in accordance with an X-ray irradiation amount. An imaging area of the FPD is partitioned into a plurality of divided sections A to I. Each of the divided sections A to I has a short pixel for detecting X-ray irradiation. In a synchronization control for controlling the FPD in synchronization with detection of a start of X-ray emission from an X-ray source, a control unit for controlling the X-ray image detecting device uses all the divided sections A to I. In an automatic exposure control for stopping the X-ray emission from the X-ray source by detecting a total X-ray irradiation amount, the control unit uses part of the divided sections, e.g. the short pixels of the divided sections that are judged to be opposed to an object in the synchronization control. | 03-27-2014 |
20140093043 | RADIATION EXPOSURE DOSE OBTAINING METHOD AND APPARATUS, AND RADIATION IMAGE CAPTURING SYSTEM - In the case where radiological imaging of a subject to be injected with a contrast agent is performed continuously and a radiation exposure dose of the subject due to the continuous radiological imaging is obtained based on a radiation image signal of each frame detected by a radiation image detector through the continuous radiological imaging, identifying a frame which includes an image signal representing an image of the contrast agent as a contrast agent frame from the radiation image signal of each frame, and correcting the radiation exposure dose based on information of the contrast agent frame and obtaining a radiation exposure dose of the subject for the radiological imaging of the contrast agent frame. | 04-03-2014 |
20140103220 | RADIOGRAPHIC IMAGING APPARATUS - An electronic cassette includes a first radiation detector for still imaging and a second radiation detector for fluoroscopic imaging. The first radiation detector includes a first photo detection device and a luminous device. The luminous device generates visible light by absorbing radiation transmitted through the first photo detection device. The first radiation detector detects the visible light generated by the luminous device. The second radiation detector is constituted by the luminous device and a second photo detection device disposed downstream of the luminous device in an optical path direction of the radiation. The second photo detection device detects the visible light generated by the luminous device. The second radiation detector is changed over to the first radiation detector, so that still imaging can be started by rapid setting during operation of fluoroscopic imaging. | 04-17-2014 |
20140103222 | RADIATION IMAGING SYSTEM - This radiation imaging system has a radiation source, a case, and a radiation detection device which is housed in the case, and is equipped with a radiation detector having a conversion unit that converts radiation from the radiation source, which has passed through at least a subject, to radiation image information, wherein a prediction is made as to whether the afterimage phenomenon has occurred in the conversion unit, and if it is predicted that the phenomenon has occurred, at least the conversion unit is moved. | 04-17-2014 |
20140107463 | RADIATION IMAGE CAPTURING SYSTEM AND RADIATION IMAGE CAPTURING METHOD - A radiation image capturing system and a radiation image capturing method, wherein this radiation image capturing system comprises a radiation source, a radiation detection device provided with a radiation detector for converting radiation that has been transmitted through at least a subject from the radiation source into radiation image information, a photographing sequence setting unit for setting the photographing sequence of radiation photographing when successive radiation photographing is performed, and a photographing sequence display unit (a display device, a cassette display unit, a terminal display unit) for displaying the set photographing sequence. | 04-17-2014 |
20140110595 | RADIATION IMAGING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND RADIATION IMAGE DETECTION DEVICE - A determination section of an FPD checks external information against a determination table and determines whether detection of a rise of X-ray pulses is allowed based on an output voltage from a short-circuited pixel. The FPD detects X-ray images. The external information is transmitted from an imaging control device. The X-ray pulses are sequentially generated by an X-ray generating apparatus. A controller selects a pulse irradiation mode in a case where the detection of the rise of the X-ray pulse is allowed. If not, a successive irradiation mode is selected. In the pulse irradiation mode, the rise and the fall of the X-ray pulse are detected and timing of storage operation is synchronized with the detected timing of the rise. In the successive irradiation mode, the storage operation is performed at predetermined time intervals without the detection of the rise and the fall of the X-ray pulse. | 04-24-2014 |
20140161228 | RADIOGRAPHY SYSTEM AND RADIOGRAPHY METHOD - In a radiography system and radiography method according to the present invention, the radiography system comprises: a radiography device further comprising a radiation device further comprising a radiation source, and a radiation detection device which converts radiation which passes through a radiography subject into radiography information; and a system control portion which controls the radiography device to execute radiography at a set frame rate. The system control portion further comprises: a radiation emission disabling portion which interrupts the irradiation of radiation from the radiation source at least in a case where an error occurs with the radiography device; and a recovery processing portion which implements control so as to set the irradiation energy of the radiation source to a preset low irradiation energy and execute the radiography in a case where recovering from the error state. | 06-12-2014 |
20140209806 | RADIOGRAPHY SYSTEM AND RADIOGRAPHY METHOD - The present invention pertains to a radiography system and a radiography method. A radiation output device has a plurality of radiation sources disposed along a predetermined plane. Also, in accordance with whether an imaging state is a still image mode or a moving picture mode, at least one of the radiation sources that outputs radiation among the plurality of radiation sources is selected. | 07-31-2014 |
20140275954 | RADIOGRAPHY SYSTEM - This radiography system has a switching processing unit that switches the device that controls a radiation source and a radiography device to a control device or a portable apparatus. In a case where penetrative imaging has started, the switching processing unit switches the device that controls the radiation source and the radiography device from the control device to the portable apparatus. | 09-18-2014 |
20150078527 | PORTABLE RADIOGRAPHIC IMAGING APPARATUS AND SYSTEM - A portable X-ray imaging apparatus includes an electronic cassette for imaging of an X-ray image and transmitting the X-ray image wirelessly. An image receiving unit communicates with the electronic cassette and receives the X-ray image wirelessly. A passive monitoring device receives ambient electromagnetic waves to measure communication environment by passive monitoring. An active monitoring device performs data communication between the electronic cassette and the image receiving unit to measure the communication environment by active monitoring. Furthermore, an evaluation device detects a cause of a communication failure by considering a result of the passive monitoring and a result of the active monitoring. The evaluation device detects that the cause of the communication failure is a blocking object blocking radio waves or a relative position between the electronic cassette and the image receiving unit according to the results of the passive and active monitoring. | 03-19-2015 |
20150078529 | PORTABLE RADIATION IMAGING APPARATUS AND PORTABLE RADIATION IMAGING SYSTEM - A portable X-ray imaging apparatus has an electronic cassette and a console capable of receiving an imaging order. The console has a wireless communication section, a trigger signal obtaining section, a connection determining section, a switching section, and a delivery requesting section. The wireless communication section receives radio waves and connects itself to an access point (AP). The trigger signal obtaining section obtains a trigger signal while the mobile radiography unit stands still. At the time of obtaining the trigger signal, the connection determining section determines one of the APs as an appropriate AP based on field intensity. The switching section switches the connection to the appropriate AP. Then, the delivery requesting section transmits a delivery request for the imaging order. | 03-19-2015 |