Patent application number | Description | Published |
20150323785 | THREE-DIMENSIONAL OBJECT DETECTION DEVICE AND FOREIGN MATTER DETECTION DEVICE - A three-dimensional object detection has an image capturing device, an image conversion unit, a three-dimensional object detection unit, a three-dimensional object assessment unit, first and second foreign matter detection units and a controller. The image capturing device captures images rearward of a vehicle. The three-dimensional object detection unit detects three-dimensional objects based on image information. The three-dimensional object assessment unit assesses whether or not a detected three-dimensional object is another vehicle. The foreign matter detection units detect whether or not foreign matter has adhered to a lens based on the change over time in luminance values for each predetermined pixel of the image capturing element and the change over time in the difference between an evaluation value and a reference value. The controller outputs control commands to the other means to suppress the assessment of foreign matter as another vehicle when foreign matter has been detected. | 11-12-2015 |
20150324972 | THREE-DIMENSIONAL OBJECT DETECTION DEVICE, AND THREE-DIMENSIONAL OBJECT DETECTION METHOD - A three-dimensional object detection device has an image capturing unit, an object detection unit, a nighttime assessment unit, a luminance detection unit, a luminance peak detection unit and a controller. The image capturing unit captures images rearward of a vehicle. The object detection unit detects a presence of an object from the captured images. The nighttime assessment unit assesses if nighttime has fallen. The luminance detection unit detects a luminance of image areas from the captured image. The luminance peak detection unit detects a peak in the luminance having a luminance gradient that is greater than or equal to a predetermined reference value from among the detected peaks in the luminance as a target luminance peak. The controller controls detection of the object in an image area in which the target luminance peak is detected when an assessment has been made that nighttime has fallen by the nighttime assessment unit. | 11-12-2015 |
20150325005 | WATER DROPLET DETECTION DEVICE, AND THREE-DIMENSIONAL OBJECT DETECTION DEVICE USING WATER DROPLET DETECTION DEVICE - A water droplet detection device has an image capturing unit and a water droplet detection unit. The image capturing unit has a photographic optical system that an area captures an image of a predetermined area. The water droplet detection unit sets an arbitrary attention point in the captured image, a plurality of first reference points inside an imaginary circle of a predetermined radius having the attention point as a center the imaginary circle, and a plurality of second reference points corresponding to the first reference points outside the imaginary circle. The water droplet detection unit detects edge information between the first reference points and second reference points, and assesses a circularity strength of the edge information to detect a water droplet attached to the photographic optical system. The water droplet detection device can be used with an image conversion unit to form a three-dimensional object detection device. | 11-12-2015 |
Patent application number | Description | Published |
20110187044 | Sheet feeding device and image forming apparatus - A sheet feeding device includes an air separating unit includes a floating air blowing unit and a separating air blowing unit that blow air to leading edges of a bundle of sheets in a paper feeding direction to float and separate upper sheets, and a side air blowing unit that blows air to both side edges of the sheet bundle to separate each of the sheets in the bundle, an air suctioning unit that suctions the air to suction a top sheet thus separated, a sheet feeding unit that feeds the sheet thus suctioned and retained, and a control unit that controls to blow floating air, to blow separating air, to blow side air, and to suction the air all at different operational timings. | 08-04-2011 |
20130215481 | SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE - A sheet conveying device includes: a sheet housing unit that houses a sheet; a sheet conveying unit that conveys the sheet; a sheet detection unit that detects presence or absence of the sheet in the sheet housing unit; a sheet nipping unit that nips the sheet housed in the sheet housing unit; and a control unit. The control unit controls the sheet nipping unit to reach a nipping state to nip the sheet in the sheet housing unit upon the sheet detection unit detecting a sheet-present state, executes a power saving mode to stop supplying power to at least a part of the electric mechanisms when no drive command is input for a predetermined time, and controls the sheet nipping unit to cancel the nipping state before execution of the power saving mode. | 08-22-2013 |
20130242359 | DOCUMENT CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A document conveying device includes a document table on which a stack of document sheets is placed; a rotating shaft member detachably provided on a main body of the document conveying device; a feeding member configured to contact and feed a topmost sheet of the stack of document sheets, the feeding member being attached to the rotating shaft member via a driving force transmitting member; a separating unit configured to separate the topmost sheet from one or more sheets that are fed together with the topmost sheet, rotating members rotatably attached to the rotating shaft member; a holding member configured to hold the feeding member and the driving force transmitting member; and a rotating member position restricting unit configured to restrict a position of the rotating members other than the holding member to a given predetermined position with reference to a position of the holding member. | 09-19-2013 |
Patent application number | Description | Published |
20130315610 | AUTOMATIC DOCUMENT FEEDER AND IMAGE FORMING APPARATUS INCLUDING THE SAME - According to an embodiment, an ADF includes: a sheet-feed cover unit; a switch unit to be switched on or off depending on whether the sheet-feed cover unit is open or closed and including a first terminal, to which a first voltage, by which a driving motor is driven, is input, and a second terminal connected to the driving motor; and an open/close-detection circuit unit that includes a first switch circuit and a second switch circuit. The first switch circuit is switched on or off based on a threshold voltage that is larger than a second voltage to be generated in the driving motor by a jammed-document removing motion and smaller than the first voltage. The open/close-detection circuit unit detects that the sheet-feed cover unit is closed when the second switch circuit is energized, but detects that the sheet-feed cover unit is open when the second switch circuit is de-energized. | 11-28-2013 |
20130320611 | SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A sheet conveying device such as a feed mechanism includes a pick-up roller and a cover member. The pick-up roller feeds, into an apparatus, a sheet such as a document on a placing table such as a document placing table on which the sheet is placed. The cover member such as a pick-up cover covers the pick-up roller. The cover member is supported at both ends thereof on a shaft of the pick-up roller or on shaft bearings that receive the shaft of the pick-up roller. | 12-05-2013 |
20140140744 | AUTOMATIC DOCUMENT FEEDER, IMAGE SCANNING DEVICE, AND IMAGE FORMING APPARATUS - An automatic document feeder includes a document stack unit; a conveying unit configured to separate a document from the documents stacked on the document stack unit and convey the document to a scanning position through a conveying path; document detecting units configured to detect the document; an upstream document detecting unit configured to detect the document, the upstream document detecting unit being arranged in the conveying path at an uppermost stream in a document conveying direction with respect to the document detecting units; and a determining unit configured to determine a passage of a trailing end of the document at positions of the document detecting units and the upstream document detecting unit and determine a presence of a hole on the document, based on the detection results. A detection range of the upstream document detecting unit is set to be wider than detection ranges of the document detecting units. | 05-22-2014 |
20150048566 | SHEET MATERIAL CONVEYING DEVICE, IMAGE SCANNING DEVICE, AND IMAGE FORMING APPARATUS - A sheet material conveying device includes: a sheet material housing unit; a sheet material conveying unit that conveys each sheet material to a predetermined conveyance target position; a separating/feeding unit that separates a sheet material from sheet materials in the sheet material housing unit and conveys the separated sheet material alone to the sheet material conveying unit; a multi-feed detecting unit that detects whether multi-feed occurs in which a plurality of sheet materials are fed from the separating/feeding unit to the sheet material conveying unit; and an internal sheet material detecting unit that detects presence of the sheet material in the sheet material conveying unit. The sheet material conveying device performs multi-feed failure detection control for detecting whether a failure occurs in the multi-feed detecting unit before notification of a detection result of the internal sheet material detecting unit. | 02-19-2015 |
Patent application number | Description | Published |
20090253370 | WIRELESS NETWORK SYSTEM - A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless network system comprises a plurality of wireless communication devices ( | 10-08-2009 |
20100117891 | MICROWAVE/MILLIMETER WAVE SENSOR APPARATUS - A microwave/millimeter wave sensor apparatus including a planar radiation type oscillator substrate having an inner-layer GND interposed between a front surface side dielectric substrate and a rear surface side dielectric substrate and a pair of conductor patches in an axis-symmetric manner on the side of the front surface layer. A gate and drain of a microwave transistor are respectively connected to the conductor patches to supply power to the gate and the drain of the microwave transistor through a gate-side RF choke circuit and a drain-side RF choke circuit. An impedance line satisfying an oscillation condition is connected to a source and a transmit RF signal in an RF zone as a planar radiation type oscillator is transmitted and a receive RF signal as reflected waves is received from a measured object, thus obtaining an IF signal as the sensing information through homodyne mixing. | 05-13-2010 |
20100315990 | WIRELESS COMMUNICATION NETWORK SYSTEM - This inventive wireless communication system comprises a plurality of wireless communication devices ( | 12-16-2010 |
20110244801 | MICROWAVE/MILLIMETER WAVE COMMUNICATION APPARATUS - A baseband signal processing unit changes the collector current of a transistor ( | 10-06-2011 |
20110255634 | PULSE WIRELESS COMMUNICATION DEVICE - To provide a microwave/milliwave UWB pulse wireless communication device that enables realization of structural simplification, high performance, compact integration, easy design, low power consumption, and low cost. A radiation type oscillator is configured by a radiation type oscillator substrate S | 10-20-2011 |
20110260906 | PULSE RADAR DEVICE - A radiation type oscillator including a radiation type oscillator substrate including a microwave transistor for generating negative resistance by short-duration operation and a resonant cavity structure; a high-frequency pulse signal of an oscillation frequency/frequency bandwidth determined by negative resistance produced by the short-duration operation of the microwave transistor and the resonant cavity structure is generated as a transmitted RF signal and simultaneously radiated into space. The radiation type oscillator performs oscillating operation when a received RF signal that is a reflected wave of the transmitted RF signal from an object of detection enters the radiation type oscillator, an IF signal is acquired from an IF signal output terminal owing to homodyne mixing by the radiation type oscillator itself, and this is analyzed and processed to detect the object of detection. | 10-27-2011 |
20120002388 | PULSE SIGNAL GENERATION DEVICE - To provide a microwave/milliwave band high-frequency pulse signal generating device that enables realization of structural simplification, high performance, compact integration, easy design, low power consumption, and low cost. A radiation type oscillator substrate S | 01-05-2012 |
Patent application number | Description | Published |
20110053718 | CONTINUOUSLY VARIABLE TRANSMISSION AND CONTROL METHOD THEREOF - An inertia torque input into the continuously variable speed change mechanism from the subtransmission mechanism is estimated during the shift in the subtransmission mechanism. During the shift in the subtransmission mechanism, a required oil pressure, which is an oil pressure required to maintain a contact frictional force between the respective pulleys and the wrapped member, is calculated on the basis of an input torque into the continuously variable speed change mechanism and the inertia torque. | 03-03-2011 |
20150075360 | HYDRAULIC CONTROL CIRCUIT AND ITS CONTROL METHOD - In a hydraulic control circuit including a solenoid valve, whose change responsiveness in an actual pressure with respect to a change in an instructional pressure deteriorates when the instructional pressure enters a dead band region on a lower pressure side than a dead band threshold, for adjusting a hydraulic pressure supplied to a hydraulic device operated by the hydraulic pressure based on the instructional pressure, the instructional pressure is increased in a stepwise manner to a charge pressure higher than the dead band threshold, when the instructional pressure is set in the dead band region and the instructional pressure increases within the dead band region to such an extent that a speed ratio does not change. Then, a lower limit of the instructional pressure is set to the dead band threshold, and use of the dead band region is prohibited for a certain period of time. | 03-19-2015 |
20150080156 | CONTINUOUSLY VARIABLE TRANSMISSION AND ITS HYDRAULIC PRESSURE CONTROL METHOD - A target primary pressure and a target secondary pressure are set based on a speed ratio, a target line pressure as a target value of a line pressure is set to be a value obtained by adding an offset amount, as a positive value, to either one having a higher value out of the target primary pressure and the target secondary pressure, in at least a cross-point region as a region where an absolute value of a deviation, obtained by subtracting the target primary pressure from the target secondary pressure, is smaller than a predetermined deviation, and a primary pressure, a secondary pressure, and the line pressure are controlled to be the target primary pressure, the target secondary pressure, and the target line pressure, respectively. | 03-19-2015 |
20150081181 | CONTINUOUSLY VARIABLE TRANSMISSION AND ITS HYDRAULIC PRESSURE CONTROL METHOD - A transmission controller determines whether a shift returning to low, changing a speed ratio of a continuously variable transmission to the lowest when a vehicle decelerates, is being performed or not, calculates a primary pressure measured lower limit value at which a belt begins to slip actually, based on a deceleration of the vehicle and the speed ratio of the continuously variable transmission, and sets a lower limit value of a target value of the primary pressure during the shift returning to low as the primary pressure measured lower limit value. | 03-19-2015 |
20150148157 | CONTINUOUSLY VARIABLE TRANSMISSION AND A HYDRAULIC CONTROL METHOD THEREOF - A transmission controller determines whether a shift is a kickdown, and when the shift is determined as the kickdown, the target line pressure is increased to a first target pressure corresponding to an input torque to a continuously variable transmission increased by the kickdown; the transmission controller then determines whether the line pressure has reached the first target pressure, and if determined that the line pressure has reached the first target pressure, the target line pressure is increased to a second target pressure higher than the first target pressure. | 05-28-2015 |
Patent application number | Description | Published |
20100026714 | MIXED REALITY PRESENTATION SYSTEM - An image composition unit outputs a composition image of a physical space and virtual space to a display unit. The image composition unit calculates, as difference information, a half of the difference between an imaging time of the physical space and a generation completion predicted time of the virtual space. The difference information and acquired position and orientation information are transmitted to an image processing apparatus. A line-of-sight position prediction unit updates previous difference information using the received difference information, calculates, as the generation completion predicted time, a time ahead of a receiving time by the updated difference information, and predicts the position and orientation of a viewpoint at the calculated generation completion predicted time using the received position and orientation information. The virtual space based on the predicted position and orientation, and the generation completion predicted time are transmitted to a VHMD. | 02-04-2010 |
20110116045 | APPARATUS AND METHOD FOR IMAGING OPTICAL COHERENCE TOMOGRAPHIC IMAGE - An ophthalmic imaging apparatus for imaging a subject's eye includes a detection unit configured to detect facts that the subject's eye moves by an amount of movement thereof, which is equal to or more than a predetermined value, and that the movement thereof is finished, and an imaging start unit configured to start imaging of the subject's eye according to a result of detection by the detection unit. | 05-19-2011 |
20120287400 | ABERRATION CORRECTION METHOD, PHOTOGRAPHING METHOD AND PHOTOGRAPHING APPARATUS - A fundus image photographing apparatus with adaptive optics generally corrects an aberration by feedback control using a wave front sensor and a wave front correction device. The reduction in the time required to correct the aberration to a high-resolution photographing level is demanded. Aberration correction information of last photographing is stored for each subject, and a stored correction value is used to correct the aberration to reduce the time before the completion of the aberration correction. If there is no stored information, a correction value for a preset reference aberration amount is used. | 11-15-2012 |
20130003018 | IMAGING APPARATUS AND IMAGING METHOD - An imaging apparatus according to the present invention can cause a display unit to display a scanning range of each of a plurality of measurement light beams in an intersection image (an image in a direction intersecting a direction in which an inspection object is irradiated with the plurality of measurement light beams) of the inspection object. | 01-03-2013 |
20130010258 | IMAGING APPARATUS AND IMAGING METHOD - An imaging apparatus includes an irradiation unit configured to irradiate an object to be examined with a plurality of measuring beams, a scanning unit configured to perform scanning with the plurality of measuring beams, a specifying unit configured to specify a size of an overlap region where scanning regions of the plurality of measuring beams on the object to be examined overlap one another, and a change unit configured to change one of a center-to-center distance of the scanning regions and a size of each of the scanning regions according to the size of the overlap region. | 01-10-2013 |
20130215386 | IMAGING APPARATUS AND CONTROL METHOD THEREFOR - In order to solve the problem in that, when a fundus is irradiated with multiple beams, a load has been placed on a subject, an imaging apparatus for imaging an object to be inspected based on return light from a first area in the object to be inspected, which is irradiated with first light, including: a determination unit for determining a second area being narrower than the first area in the object to be inspected; and a control unit for restricting the irradiation with the first light in the second area, which is irradiated with second light. | 08-22-2013 |
20130321768 | OPHTHALMIC DEVICE - There is provided an ophthalmic device that includes a plurality of light sources including at least a light source for obtaining a return light of which aberration has been corrected with a correction unit from an eye under examination; and
| 12-05-2013 |
20140111546 | MIXED REALITY PRESENTATION SYSTEM - An image composition unit outputs a composition image of a physical space and virtual space to a display unit. The image composition unit calculates, as difference information, a half of the difference between an imaging time of the physical space and a generation completion predicted time of the virtual space. The difference information and acquired position and orientation information are transmitted to an image processing apparatus. A line-of-sight position prediction unit updates previous difference information using the received difference information, calculates, as the generation completion predicted time, a time ahead of a receiving time by the updated difference information, and predicts the position and orientation of a viewpoint at the calculated generation completion predicted time using the received position and orientation information. The virtual space based on the predicted position and orientation, and the generation completion predicted time are transmitted to a VHMD. | 04-24-2014 |
20140185008 | ABERRATION CORRECTION METHOD, PHOTOGRAPHING METHOD AND PHOTOGRAPHING APPARATUS - A fundus image photographing apparatus with adaptive optics generally corrects an aberration by feedback control using a wave front sensor and a wave front correction device. The reduction in the time required to correct the aberration to a high-resolution photographing level is demanded. Aberration correction information of last photographing is stored for each subject, and a stored correction value is used to correct the aberration to reduce the time before the completion of the aberration correction. If there is no stored information, a correction value for a preset reference aberration amount is used. | 07-03-2014 |
20150124217 | OPHTHALMIC DEVICE - There is provided an ophthalmic device that includes a plurality of light sources including at least a light source for obtaining a return light of which aberration has been corrected with a correction unit from an eye under examination; and a control unit configured to control measurement lights from the plurality of light sources such that the measurement lights enter the eye under examination in a predetermined order when a photography of a second eye is started after a photography of a first eye has been completed. | 05-07-2015 |
Patent application number | Description | Published |
20080309825 | IMAGE RECEIVING APPARATUS AND CONTROL METHOD OF IMAGE RECEIVING APPARATUS - A video receiving apparatus configured to receive packetized video data from a server includes a detecting unit configured to detect an error from the packetized video data received from the server; a determining unit configured to determine the importance of the packetized video data with the error in the case that the error is detected by the detecting unit, based on added information relating to the packetized video data; and an error processing unit configured to process the packetized video data with the error, according to the importance determined by the determining unit. | 12-18-2008 |
20090046737 | DATA PROCESSING SYSTEM, TRANSMISSION APPARATUS, AND BAND CONTROL APPARATUS - A data processing system that packetizes content, transmits the packetized content via a transmission path, and allocates a transmission path band for transmitting the packetized content includes a packet interval control unit configured to control intervals at which packets of the packetized content are transmitted, an obtaining unit configured to obtain communication information indicating a communication state in which the intervals at which the packets are transmitted; a band computation unit configured to compute a transmission path band for transmitting the packetized content based on the communication information obtained by the obtaining unit, and a band allocation unit configured to allocate the transmission path band computed by the band computation unit within the transmission path. | 02-19-2009 |
20100086021 | INFORMATION TRANSMISSION APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - There is provided an information transmission apparatus which includes a reproduction information reception unit configured to receive reproduction information about reproduction of video data transmitted to a reception apparatus, a determination unit configured to determine a fragment size of the video data based on the reproduction information received by the reproduction information reception unit, a generation unit configured to generate a packet of the video data based on the fragment size determined by the determination unit, and a transmission unit configured to transmit the packet generated by the generation unit to the reception apparatus. | 04-08-2010 |
20100318870 | TRANSMISSION APPARATUS, RECEIVING APPARATUS, METHOD, AND STORAGE MEDIUM - In a transmission apparatus for transmitting periodical data transmitted at predetermined intervals and event data transmitted in response to occurrence of an event, an information generation unit generates identification information for a receiving apparatus to identify transmitted event data, and a control unit includes the generated identification information in the periodical data in response to generation of identification information by the identification information generation unit. | 12-16-2010 |
20110141936 | TRANSMISSION APPARATUS AND TRANSMISSION METHOD - A determination unit of a transmission apparatus determines a transmission timing of notice data (SR) for informing a reception apparatus that the event data has been transmitted according to a transmission state of the event data. An transmission unit transmits the SR at the timing determined by the determination unit. | 06-16-2011 |
20120120309 | TRANSMISSION APPARATUS AND TRANSMISSION METHOD - A transmission apparatus configured to transmit moving image data to another apparatus inputs moving image data and, if some of the input moving image data is to be excluded from the moving image data to be transmitted according to a transmission state, excludes the moving image data of a frame not corresponding to an event out of the input moving image data from the moving image data to be transmitted. | 05-17-2012 |