Patent application number | Description | Published |
20100181939 | LIGHT OUTPUT CONTROL DEVICE FOR LASER LIGHT SOURCE - A light output control device for laser light sources for respective RGB colors includes, for each of RGB, three sets, each including: a semiconductor laser for one of the colors; light output detection unit for detecting a light output from the semiconductor laser; light output adjustment unit for updating a light output target value; light output control unit for controlling the semiconductor laser based on the updated light output target value; and division unit for dividing the light output by an output from the light output adjustment unit to obtain a ratio of the rising of the light output, and includes rising determination unit for determining, based on results obtained by the respective division unit, a semiconductor laser with a slowest rising and outputs light output adjustment values for the respective colors. The light output adjustment unit update their respective light output target values based on the light output adjustment values. The light output control unit causes their respective corresponding semiconductor lasers to operate in accordance with a semiconductor laser whose rising time is slowest, based on the updated light output target values to keep RGB color balance upon start-up. | 07-22-2010 |
20110032342 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display method can make the total time of light emission longer per display line. This method is an image display method used in an image display apparatus that repeats displaying images for a left eye and for a right eye alternately that form a stereoscopic image, on a screen including a plurality of display lines, and includes: a shield switching starting step (t | 02-10-2011 |
20110234777 | THREE-DEMENSIONAL DISPLAY APPARATUS AND THREE-DIMENSIONAL DISPLAY SYSTEM - A stereoscopic display apparatus and a stereoscopic display system capable of reducing flicker due to the influence of a fluorescent lamp while preventing an increase in crosstalk. The stereoscopic display apparatus includes a display controller that causes a display section to display left-eye video and right-eye video based on an input left-eye video signal and right-eye video signal and a shutter control section that controls an open/closed state of left and right shutters of stereoscopic image observation glasses in an opening/closing cycle in accordance with a display cycle of the left-eye video and the right-eye video, wherein the shutter control section controls a duty ratio of an Open period of each of the left and right shutters to a greater value than 50% and the display controller causes the display section to display video on a side whose shutter is in the open state of the left-eye video and the right-eye video only while the shutter control section exercises control so that one of the left and right shutters is in the closed state. | 09-29-2011 |
20110304657 | BACKLIGHT DEVICE AND DISPLAY DEVICE - Disclosed is a backlight device that reduces elevated black levels and the visibility of flickering when displaying a video. A light-emitting unit ( | 12-15-2011 |
20110316902 | BACKLIGHT DEVICE AND DISPLAY APPARATUS - Provided is a backlight device, wherein when both the drive duty and the drive current are controlled in each of separated areas, the image quality is improved by preventing the change of luminance even when there is a difference between the adjustment resolutions of both the drive duty and the drive current. A light-emitting unit ( | 12-29-2011 |
20120007844 | BACKLIGHT DEVICE AND DISPLAY APPARATUS - Provided is a backlight device, wherein when the drive duty and drive current are controlled in each of predetermined light-emitting areas of a light-emitting unit, the color unevenness and moving image resolution difference between image display areas corresponding thereto are improved. A light-emitting unit ( | 01-12-2012 |
20120013652 | BACKLIGHT DEVICE AND DISPLAY APPARATUS - Provided is a backlight device wherein when the drive duty and the drive current are controlled according to a motion, the image quality is improved by preventing flicker caused by the change of the drive waveform. A light-emitting unit ( | 01-19-2012 |
20120081624 | DISPLAY APPARATUS AND IMAGE VIEWING SYSTEM - The present invention provides display apparatus including: liquid crystal panel for displaying left and right images; liquid crystal driver for writing image signal into liquid crystal panel; backlight source for radiating light to liquid crystal panel; and controller for controlling backlight source so that it emit the light during first emission periods which are set for left viewing period while left image is viewed with left and right viewing periods while right image is viewed with right eye, respectively, wherein controller controls backlight source so that it emits the light during second emission period within non-viewing period, during which none image is viewed, and sets turn-off period during which backlight source is turned off between first and second emission periods. | 04-05-2012 |
20120120209 | DISPLAY DEVICE AND VIDEO VIEWING SYSTEM - A display device includes a liquid crystal panel which switches between a left frame image which is viewed by a left eye and a right frame image which is viewed by a right eye to alternately display the left and right frame images on a display surface with time; and a liquid crystal driver which scans and drives the liquid crystal panel with a frame image signal for displaying the left or right frame image over the display surface. The liquid crystal driver executes a first scanning operation over the display surface and a second scanning operation over the display surface after the first scanning operation, and the first scanning operation is executed in a shorter period than the second scanning operation. | 05-17-2012 |
20120162219 | DISPLAY DEVICE AND VIDEO VIEWING SYSTEM - A display device includes: a liquid crystal panel including a display surface on which frame images are displayed; a conversion portion for converting a frame image signal into a first image signal representing an image having a lower resolution and a second image signal representing an image having a higher resolution; and a liquid crystal driver for driving the liquid crystal panel with performing first and second scanning operations of the first and second image signals over pixels of the entire display surface. The liquid crystal driver performs the second scanning operation with targeting a drive luminance value which is set in response to an expected value of an achieved luminance value during the first scanning operation for the pixel of the display surface before the second scanning operation commences, and target luminance value for the pixels defined by the frame image signal. | 06-28-2012 |
20120188294 | Backlight Device - A backlight device, used in a liquid crystal display device, comprising: a substrate including first and second areas; a plurality of first light emitting diodes (LEDs) arranged in the first area at a density equal to or higher than a predetermined density; a plurality of second LEDs arranged in the second area at a density lower than the predetermined density; and a control unit configured to control current supplied to the first LEDs with respect to the temperature of the first area, and current supplied to the second LEDs with respect to the temperature of the second area so as to make the rate of change in effective value of the current supplied to the first LEDs different from the rate of change in effective value of the current supplied to the second LEDs when temperatures of the first and second areas are higher than a predetermined temperature. | 07-26-2012 |
20120188348 | VIDEO DISPLAY DEVICE AND VIDEO VIEW SYSTEM - A video display device and a video view system with which occurrence of crosstalk can be avoided in stereoscopic video images. The device has a liquid crystal panel on which the video image for the left eye corresponding to the video signal for the left eye and the video image for the right eye corresponding to the video signal for the right eye are displayed, and a driving unit which drives the liquid crystal panel by executing at least two times of write-scanning respectively according to the driving amount based on the respective video signal for the left or right eye, wherein in each write-scanning, the driving unit performs an overdrive operation in which the liquid crystal panel is driven according to a driving amount based on a target luminance. | 07-26-2012 |
20130135297 | DISPLAY DEVICE - The present application discloses a video display device. The display device includes: a display surface with pixels. Each pixel has an opened sub-pixel including an opened filter having a color filter with an opening, an unopened sub-pixel having a color filter without an opening, and a liquid crystal driven in response to luminance for each of the opened and unopened sub-pixels; an input portion to which a video signal is input to define the video on the display surface; a signal generator for generating a luminance signal to define the luminance of the opened sub-pixel in response to the video signal; a detector for detecting a degree of change corresponding to a change between video frame images in response to the video signal; and an adjuster for adjusting the luminance of the opened sub-pixel defined by the video signal in response to the degree of change. | 05-30-2013 |
20130155040 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display panel includes a liquid crystal display unit, and a backlight unit illuminating the liquid crystal display unit. The backlight unit includes first and second white light-emitting diodes that respectively emit white light, and first and second drive units that respectively supply a current to the first and second white light-emitting diodes. The first and second drive units are respectively configured to be able to adjust supply current to the first and second white light-emitting diodes. Chromaticities of the first and second white light-emitting diodes are of a relationship of being positioned opposite each other across a blackbody locus on an xy chromaticity diagram. The first and second white light-emitting diodes change over time so that, on the xy chromaticity diagram, an intersection point of the blackbody locus and a line that passes through the chromaticities of the first and second white light-emitting diodes becomes constant. | 06-20-2013 |
20130162697 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display unit including pixels and displaying an image based on an input image signal; a drive unit that applies a voltage based on the input image signal to the pixels while inverting a polarity of the voltage for each of frames; a luminance determination unit that determines whether a detected average luminance has changed, between the frames, by an amount equal to or more than a reference luminance; and a signal generation unit that generates a phase inversion enabling signal for inverting a phase of the polarity of the voltage applied to the pixels, in a case where the luminance determination unit determines that the average luminance has changed by the above amount, wherein the drive unit inverts the phase of the polarity of the voltage applied to the pixels when the phase inversion enabling signal is generated. | 06-27-2013 |
20130169615 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display unit that displays, for each of frames, an image based on an input image signal; a drive unit that applies a voltage based on the input image signal to pixels of the liquid crystal display unit; and a control unit that controls an amplitude of the voltage applied to the pixels. The drive unit applies, in one of the frames, a voltage of the same polarity to the pixels connected to one of the source signal lines. The control unit includes: a temperature-information acquiring unit that acquires temperature information of the drive unit; and a filter unit that acquires high-frequency and low-frequency components of the input image signal in a substantial extending direction of the source signal lines. The control unit controls the amplitude of the applied voltage using the temperature information and an output value of the high-frequency component. | 07-04-2013 |
20130169618 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display unit that includes pixels and displays an image based on an input image signal input for each of frames; a drive unit that applies a voltage based on the input image signal to the pixels of the liquid crystal display unit while inverting a polarity of the voltage for each of the frames; a signal discrimination unit that discriminates whether the input image signal is an interlaced signal; and a signal generation unit that generates a phase inversion enabling signal for inverting a phase of the polarity of the voltage applied to the pixels, in a case where the signal discrimination unit discriminates that the input image signal is the interlaced signal. The drive unit inverts the phase of the polarity of the voltage applied to the pixels when the signal generation unit generates the phase inversion enabling signal. | 07-04-2013 |
Patent application number | Description | Published |
20080242321 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND TERMINAL APPARATUS - A base station apparatus includes a first transmission unit configured to transmit area common information common to all base station apparatuses in an area by using not less than one time slot of not less than one common time slot assigned to each of a plurality of areas including a plurality of base station apparatuses, the common time slot being assigned to adjacent areas which are different from each other, a carrier sense unit configured to perform carrier sense on a first time slot except for the common time slot, a selection unit configured to select a second time slot determined as being available by the carrier sense, and a second transmission unit configured to intermittently transmit a control signal unique to the base station apparatus in the second time slot at K (K positive integer) time slot periods. | 10-02-2008 |
20080279259 | Radio Communication Apparatus, Base Station and System - Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation unit configured to estimate channel response values of sub-channels based on OFDM signal, selector which selects, from sub-channels, several sub-channels which have higher channel response values than a value, each of channel response values being expressed by power level, signal-to-noise power ratio, or signal-to-interference ratio, determination unit configured to determine hopping pattern from selected sub-channels, transmitter which transmits, to base station, hopping pattern information item indicating determined hopping pattern, receiver which receives collision information from base station, and correction unit configured to correct hopping pattern based on collision information. | 11-13-2008 |
20090028271 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 01-29-2009 |
20090279618 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 11-12-2009 |
20090304107 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 12-10-2009 |
20100111203 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 05-06-2010 |
20110142023 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 06-16-2011 |
20120063535 | TRANSMITTING APPARATUS AND RECEIVING APPARATUS - According to one embodiment, a transmitting apparatus includes a generation unit, a division unit, an imparting unit and a transmitting unit. The generation unit generates first control information in accordance with a first information format. The division unit divides the first control information into control information pieces in accordance with information format divisions into which the first information format is divided and which include respective pointer regions, each of the information format divisions having a same data length as a second information format. The imparting unit imparts, to the pointer region of each of the information format divisions, a pointer indicating a wireless communication resource used to transmit one of the control information pieces corresponding to one of the information format divisions other than the each control information format division. The transmitting unit transmits the control information pieces. | 03-15-2012 |
20120129471 | WIRELESS COMMUNICATION APPARATUS - According to one embodiment, a wireless communication apparatus includes a wireless unit and a control unit. The wireless unit is configured to set, for each period, a transmit state including a first period for transmitting a connection request to establish connection or a receive state including a second period for receiving a connection request and to transmit or receive a signal, both lengths of the first period and the second period being equal. The control unit is configured to control the wireless unit to operate in one of a transmit mode, a receive mode and a transceive mode. The control unit causes the wireless unit to operate in the receive mode or the transceive mode before a trigger signal is externally input, and to operate in the transmit mode if the trigger signal is input. | 05-24-2012 |
20120155452 | WIRELESS TRANSMITTING AND RECEIVING DEVICE AND METHOD - A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas. | 06-21-2012 |
20140211743 | WIRELESS COMMUNICATION SYSTEM FOR POWER SUPPLY AND DEMAND CONTROL AND METHOD FOR CONTROLLING THE SAME - According to an embodiment, a wireless communication system for power supply and demand control comprises a plurality of wireless devices to form an autonomous distributed wireless network, and is configured to transmit information to a plurality of aggregation apparatuses or a management apparatus via the autonomous distributed wireless network. The management apparatus comprises a first control section configured to generate an affiliation change instruction to the wireless devices. The wireless device comprises a storage section configured to store information belonging to a first aggregation apparatus, and a second control section configured to change an affiliation destination from the first aggregation apparatus to a second aggregation apparatus based on the affiliation change instruction. | 07-31-2014 |
Patent application number | Description | Published |
20080204878 | WEATHER-SEALING STRUCTURE OF A LENS BARREL - A weather-sealing structure of a lens barrel includes an inner annular member and an outer annular member which are concentrically arranged to be movable relative to each other, and a water-repellent ring made of synthetic leather which is impregnated with a water repellent, one of two sides of the water-repellent ring being fixed to one of an inner peripheral surface of the outer annular member and an outer peripheral surface of the inner annular member. The other of the two sides of the water-repellent ring includes a hair-implanted surface including a large number of hairs which is in contact with the other of the inner peripheral surface of the outer annular member and the outer peripheral surface of the inner annular member to be slidable thereon. | 08-28-2008 |
20080238253 | ONE-WAY ROTATIONAL TRANSFER MECHANISM, AND ULTRASONIC ROTARY DRIVE DEVICE INCORPORATING ONE-WAY ROTATIONAL TRANSFER MECHANISM - A one-way rotational transfer mechanism includes a rotary input member; a holding member including an axially orthogonal surface to the axis; a hollow-cylindrical rotary output shaft positioned coaxially around the rotary input member to be rotatable relative to the rotary input member, and including a cylindrical inner peripheral surface; a circumferential guide groove formed on the rotary input member; and a torque transfer ball installed between the axially orthogonal surface, the cylindrical inner peripheral surface and the circumferential guide groove, to roll on and be held between the axially orthogonal surface and the circumferential guide groove. The circumferential guide groove is shaped to make the torque transfer ball revolve around the rotary input member in a same direction as the rotary input member while trailing therebehind and to make the torque transfer ball press against the cylindrical inner peripheral surface when the rotary input member rotates. | 10-02-2008 |
20090116122 | INTERNAL FOCUSING ZOOM LENS - An internal focusing zoom lens includes a stationary barrel including a focus-guide cam groove; a zoom cam ring including a focus-shift cam groove and rotated about an optical axis during zooming; a focus cam ring including a focus cam groove and rotated about the optical axis and moved in the optical axis direction to move a focusing lens group during focusing; and a focus correction ring for moving the focus cam ring in the optical axis direction by rotation of the zoom cam ring. The focus correction ring includes a focus correction cam-follower engaged in the focus-shift cam groove, the focus cam groove and the focus-guide cam groove. A position of the focus correction cam-follower in the focus cam groove changes via the focus-shift cam groove and the focus-guide cam groove in accordance with the rotation of the zoom cam ring during zooming. | 05-07-2009 |
20140111686 | CAMERA BODY, LENS BARREL AND LENS-INTERCHANGEABLE CAMERA - A camera body includes a body-side bayonet lug, wherein a lens-side bayonet lug of a lens barrel is positioned immediately behind the body-side bayonet lug when the lens barrel is mounted to the camera body; an opposed surface formed on the rear surface of the body-side bayonet and positioned immediately in front of the lens-side bayonet lug; a body-side mount surface positioned in front of the opposed surface and with which the lens-side bayonet surface comes into contact; and a body-side contact portion, the front end of which contacts the rear end of the lens-side contact portion when the opposed surface faces the lens-side bayonet lug, the front end of the body-side contact portion being positioned in front of the opposed surface and behind the body-side mount surface. | 04-24-2014 |
20140119720 | CAMERA BODY - A camera body includes body-side bayonet lugs concentric with lens-side bayonet lugs, circular-arc openings, a circular arc protrusion positioned inside the camera body and projecting forward and concentric with the body-side bayonet lugs, body-side contact portions provided and arranged on the front end surface of the circular arc protrusion and come into contact with lens-side contact portions which are provided on the lens barrel, and rearward biasers provided immediately behind two of the body-side bayonet lugs to bias and move the lens-side bayonet lugs rearward, wherein two of the body-side contact portions located at both ends in the lengthwise direction and the two rearward biasers lie on radial-direction extension lines of the circular arc protrusion, respectively, as viewed in an optical axis direction. | 05-01-2014 |
20140119721 | CAMERA BODY, LENS BARREL AND LENS-INTERCHANGEABLE CAMERA - A camera body includes a plurality of body-side bayonet lugs which are provided on the peripheral edge of an opening; and a protrusion which is positioned in a circular-arc opening formed between adjacent body-side bayonet lugs of the body-side bayonet lugs, the distance between the protrusion and either of adjacent two body-side bayonet lugs of the body-side bayonet lugs being shorter than each of the lens-side bayonet lugs; and a body-side mount surface with which the lens-side bayonet surface comes into contact from the front side when the lens-side bayonet lugs are positioned immediately behind the body-side bayonet lugs. | 05-01-2014 |
20150029811 | MIXING BLADE - A mixing blade is formed into a spiral shape by disposing blade plates, which are twisted in a predetermined manner in a circumferential direction of the blade, adjacent to each other in the circumferential direction along an inner wall surface of a mixer drum. Each of the blade plates includes a rib extended in the circumferential direction of the blade. | 01-29-2015 |
Patent application number | Description | Published |
20130276922 | Aqueous Urea Tank Structure for Construction Machine - An aqueous urea tank structure is provided for a construction machine, in which a temperature rise of the aqueous urea within the tank can be suppressed and the load applied to the tank due to vibration of a vehicle body can be reduced. The aqueous urea tank structure including an aqueous urea tank which is disposed within a revolving upperstructure of a hydraulic excavator to store aqueous urea that purifies the exhaust gas discharged from an engine, wherein the aqueous urea tank structure further includes a securing member which encloses the periphery of the aqueous urea tank to secure the aqueous urea tank within the revolving upperstructure, and heat insulating materials which are interposed between the securing member and the aqueous urea tank to hold the aqueous urea tank. The securing member contains a box. | 10-24-2013 |
20130294876 | Construction Machine - To provide a construct ion machine in which the temperature of a battery and aqueous urea within an aqueous urea tank can be prevented from rising and high stability can be secured in the vehicle body. | 11-07-2013 |
20130319787 | CONSTRUCTION MACHINE - On an upper revolving structure, an engine having an exhaust port is mounted. In the midway portion of the exhaust pipe connecting the exhaust port of the engine and an exhaust gas post-treatment device, a first bellows pipe and a second bellows pipe are arranged through a connecting pipe having an L-shaped bending portion. In this case, the first bellows pipe and the second bellows pipe are arranged so as to have a positional relationship in which axis lines thereof (X | 12-05-2013 |
20130343853 | CONSTRUCTION MACHINE - On a rear part side of a revolving frame ( | 12-26-2013 |
20140023473 | CONSTRUCTION MACHINE - On the right front side of a revolving frame ( | 01-23-2014 |
20150016932 | CONSTRUCTION MACHINE - A first accommodating case ( | 01-15-2015 |
20150204351 | Cooling Fan Mounting Structure for Construction Machine - A structure for mounting a cooling fan ( | 07-23-2015 |