| Patent application number | Description | Published |
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| 20100302422 | SOLID-STATE IMAGING DEVICE, CAMERA, AND DRIVING METHOD FOR SOLID-STATE IMAGING DEVICE - A high image quality solid-state imaging device that reduces horizontal noise is provided. An embodiment of the solid-state imaging device of the present invention is a solid-state imaging device which reads a pixel signal from each of unit pixels selected on a row basis, including amplifying transistors each of which is arranged in a corresponding one of the unit pixels, first transistors each of which is arranged on a column basis and supplies bias current to one of the amplifying transistors corresponding to a selected row, an active transistor which generates a reference bias voltage, a bias signal line through which the reference bias voltage is supplied from the gate terminal of the active transistor to gate terminals of the first transistors; and a low-pass filter inserted to the bias signal line between the gate terminal of the active transistor and the gate terminals of the first transistors. | 12-02-2010 |
| 20110019039 | SOLID-STATE IMAGING DEVICE AND CAMERA - Specifically, the solid-state imaging device includes: pixels each of which includes an amplifying transistor that amplifies a signal; first column signal lines each of which is connected to one of the columns of the pixels; first load transistors each of which is connected to one of the first column signal lines; a bias circuit which supplies a bias voltage to a gate of each of the first load transistors; first detection units each of which is connected to the one of the first column signal lines; a second detection unit which detects a noise component of each of the rows, the noise component occurring in each of the first column signal lines and resulting from fluctuation in the bias voltage; and a correction unit which corrects, the pixel signal detected by each of the first detection units, using the noise component detected by the second detection unit. | 01-27-2011 |
| 20110254986 | ANALOG-DIGITAL CONVERTER, IMAGE SENSOR SYSTEM AND CAMERA DEVICE - An analog-digital converter includes n comparators arranged in a first direction with a predetermined cell pitch and corresponding respectively to n input voltages, each comparator comparing a voltage value of a reference signal whose voltage value increases or decreases over time with an input voltage corresponding to the comparator. Each of the n comparators includes differential transistors to which the reference signal and the input voltage are given respectively. A differential transistor is formed by p unit transistors connected in series whose gates are given the reference signal, and another differential transistor is formed by p unit transistors connected in series whose gates are given the input voltage. | 10-20-2011 |
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| 20080281189 | MEDICAL GUIDING SYSTEM - A medical guiding system of the invention includes: a detection portion for detecting at least one of position and orientation of a medical instrument; a storage portion for storing multiple reference image data obtained from a human body in multiple states and including anatomical positional information of at least one of viscus and organ; a state selection portion for selecting, among the stored reference image data, the reference image data obtained in a state coincident with or approximate to a state of the subject in using the medical instrument; and a guide image creation portion for creating a guide image showing at least one of an anatomical position, shape, and orientation of the medical instrument with respect to the subject, based on at least one of the position and the orientation of the medical instrument detected by the detection portion and reference image data stored in the state selection portion. | 11-13-2008 |
| 20080306379 | MEDICAL GUIDING SYSTEM - A medical guiding system of the invention includes: a detection portion for detecting a position and an orientation of a medical instrument and positions of feature points of a subject; a storage portion for storing reference image data having positional information on an organ of a human body; and a guide image creation portion for creating a guide image indicating the position of the medical instrument with respect to the subject from the reference image data. The guide image creation portion calculates the position of the medical instrument with respect to the subject, based on the position and the orientation of the medical instrument and the positions of feature points of the subject which are detected by the detection portion, and creates a guide image by correcting the calculated position of the medical instrument, using the positions of the feature points. | 12-11-2008 |
| 20090036775 | MEDICAL GUIDING SYSTEM - A medical guiding system of the invention includes: a detection portion for detecting and outputting a position and an orientation of an ultrasound transducer; a reference image storage portion for storing reference image data having anatomical positional information of an organ of a human body; and a guide image creation portion for creating, based on the output from the detection portion and the reference image data, a guide image configured of: an anatomical model image of the organ of the human body; an ultrasound tomographic image marker showing a position and an orientation with respect to the model image of the latest ultrasound tomographic image; and an image scan history marker showing a position and an orientation with respect to the model image, of a region where the ultrasound tomographic image has been scanned in the past. | 02-05-2009 |
| 20090175518 | MEDICAL SYSTEM AND METHOD FOR GENERATING MEDICAL GUIDE IMAGE - A medical system includes: an image signal acquiring portion for acquiring a signal to generate an image corresponding to a picture of a subject; an image generating portion for generating a real-time image of an inside of the test subject based on the acquired signal; a detecting portion for outputting a position and an orientation of an image position and orientation detecting element as a detection value; a reference image data storage portion for storing reference image data made up of anatomical images of the test subject; a guide image generating portion for generating a guide image to provide guide information about at least one of an anatomical position and orientation within the test subject of the real-time image, based on the detection value and the reference image data; and a detection state notification information generating portion for generating information to notify a detection state of the detection value. | 07-09-2009 |
| 20090292171 | MEDICAL DEVICE - A medical device for examination or treatment based on a reference point, includes: a virtual endoscopic image generation section configured to generate a virtual endoscopic image of a bronchus from a plurality of different line-of-sight positions using three-dimensional image data of the bronchus of a subject that is obtained in advance; an image retrieval section configured to retrieve a virtual endoscopic image highly similar to an endoscopic image of the bronchus picked up by an image pickup section arranged at a distal end portion of an insertion section; a reference-point setting section configured to set a reference point based on a line-of-sight position of the highly similar virtual endoscopic image; and a relative-position calculation section configured to calculate a relative position of a treatment instrument to the reference point. | 11-26-2009 |
| 20110060185 | MEDICAL DEVICE SYSTEM AND CALIBRATION METHOD FOR MEDICAL INSTRUMENT - An endoscope system is provided with an insertion portion having a rigid portion disposed at a distal end portion of the insertion portion, an ultrasound probe that has a first sensor for detecting a position and a direction at a probe distal end portion, is inserted from an insertion port from a proximal end portion side of a channel and projects from a projection port of the rigid portion, a channel that passes through the rigid portion and can linearly support the medical instrument distal end portion, a position calculation section that calculates a position and a direction of the first sensor, and a direction calculation section that calculates a direction of the probe distal end portion based on a positional information variation of the first sensor before and after linear movement in the channel in the rigid portion of the probe distal end portion. | 03-10-2011 |
