Patent application number | Description | Published |
20090050794 | ORIGIN DETECTION METHOD FOR OPTICAL ENCODER - An optical encoder equipped with an origin detection apparatus has a scale provided with an optical grating, a plurality of light receiving elements that is provided in association with the pitch of the optical grating and movable relative to the scale and a light source that illuminates the light receiving elements with light through the scale. An optically discontinuous portion is provided in the optical grating of the scale, a change of a light beam that occurs over a certain length of section at the time when a light beam corresponding to the discontinuous portion is incident on the light receiving elements, a change occurring in that section is detected, calculation is performed, and an origin position is detected from the result of the calculation. | 02-26-2009 |
20110234042 | VIBRATION ACTUATOR AND METHOD FOR MANUFACTURING THE SAME - A vibration actuator includes an elastic body on which at least one projection is formed and a vibrating body including an electromechanical conversion device, and drives a driven member that is in contact with a contact portion of the projection by causing an end portion of the projection to perform an ellipsoidal movement in response to a combination of two vibration modes generated in the vibrating body when an alternating driving voltage is applied. The elastic body is formed integrally with the projection and a bonding portion between the projection and the electromechanical conversion device. A space is provided between the contact portion and the electromechanical conversion device to which the projection is bonded. The spring portion is provided between the bonding portion and the contact portion and causes the projection to exhibit a spring characteristic when the contact portion is pressed by the driven member. | 09-29-2011 |
20110291595 | METHOD OF CONTROLLING VIBRATION MOTOR - Provided is a method of controlling a vibration motor, in which there are provided: a unit that generates a drive signal for generating elliptic motion; a unit that switches the drive signal with a voltage from a power supply, and changes a pulse width of the drive signal; a unit that detects a current flowing in an electromechanical energy conversion element through the switching unit; a unit that detects a position and a velocity of an object to be driven; and a control unit that controls the respective units, and sets the velocity of the object to be driven. The control unit controls a frequency and the pulse width of the drive signal so as to exercise a maximum output characteristic with respect to a target velocity within a range in which the current detected by the current detection unit does not exceed a given limit value. | 12-01-2011 |
20130076922 | CORRECTING OPTICAL DEVICE AND IMAGE PICKUP APPARATUS - A correcting optical device according to an aspect of the present invention in which, when image shake is not corrected, a restricting member is caused to engage an engaging portion, to restrict translational movement of a movable member, and in which, when the image shake is corrected, the restricting member is caused to disengage the engaging portion, to cause the movable member to be in a state capable of the translational movement, the restricting member being provided at the rotary member, the engaging portion being provided at the movable member. A driving unit drives the movable member in a direction in which the movable member moves translationally with respect to a fixed member in a plane perpendicular to an optical axis of a correcting lens, so that the correcting lens corrects the image shake, and drives the rotary member in a direction in which the rotary member rotates around the optical axis. | 03-28-2013 |
20140101905 | VIBRATION ACTUATOR AND METHOD FOR MANUFACTURING THE SAME - A vibration actuator includes an elastic body on which at least one projection is formed and a vibrating body including an electromechanical conversion device, and drives a driven member that is in contact with a contact portion of the projection by causing an end portion of the projection to perform an ellipsoidal movement in response to a combination of two vibration modes generated in the vibrating body when an alternating driving voltage is applied. The elastic body is formed integrally with the projection and a bonding portion between the projection and the electromechanical conversion device. A space is provided between the contact portion and the electromechanical conversion device to which the projection is bonded. The spring portion is provided between the bonding portion and the contact portion and causes the projection to exhibit a spring characteristic when the contact portion is pressed by the driven member. | 04-17-2014 |
20140145649 | DRIVING APPARATUS OF VIBRATION-TYPE ACTUATOR, METHOD OF CONTROLLING DRIVING VIBRATION-TYPE ACTUATOR, AND IMAGE PICKUP APPARATUS - A driving apparatus of a vibration-type actuator includes a driving circuit configured to drive a vibration unit including a plurality of vibrators, a detection unit configured to detect a sum of power consumption consumed by the plurality of vibrators, and a driving frequency setting unit configured to set a driving frequency within a frequency range depending on the sum of power consumption detected by the detection unit. | 05-29-2014 |
20150180373 | DRIVER OF VIBRATOR, METHOD OF DRIVING THE SAME, LENS DRIVER, VIBRATION DEVICE, AND IMAGING DEVICE - One aspect of the present invention relates to a driver of a vibrator including: a control section; and an alternating current signal generation section configured to generate an alternating current signal based on an output from the control section, and to apply the alternating current signal to the vibrator, wherein the control section is configured to lower a frequency of the alternating current signal, and to change, after the frequency change, at least one of a voltage ratio and a phase difference of the alternating current signal such that the ellipse ratio of the elliptical motion changes from a first ellipse ratio to a second ellipse ratio, the second ellipse ratio has a larger ratio of a component in a moving direction in the elliptical motion to a component in a direction perpendicular to the moving direction in the elliptical motion than the first ellipse ratio. | 06-25-2015 |
Patent application number | Description | Published |
20090213130 | DISPLAY DEVICE - In a display device provided with a frame memory developing an auxiliary line image as a display image and a means of reading out and displaying the image data developed in the aforementioned frame memory, the aforementioned auxiliary line image is constituted by background pixels and dashed auxiliary lines constituted by pixels which have luminance or color that is different from that of the background color and pixels with have nearly identical luminance or color to that of the background color; and by carrying out the display of the dashes so as to move, at fixed time intervals or arbitrary time intervals, the dash display areas of the aforementioned auxiliary lines on the trajectory of the figure described by the aforementioned auxiliary lines, the system is devised to display the auxiliary lines while controlling that an identical pixel of the display device is not displayed continually. | 08-27-2009 |
20130169671 | PROJECTOR AND METHOD FOR CONTROLLING IMAGE DISPLAY OF THE SAME - A projector in which an additional writing image is synthesized with a projection image and the synthesized image is projected and displayed includes: a display memory storing trapezoidal distortion corrected projection image information; a pen drawing control part forming an additional writing image by straight line drawing based on display position information of an inputted additional writing image and corrects trapezoidal distortion; and an OSD memory storing additional writing image information generated in the pen drawing control part and having corrected trapezoidal distortion, in which image information in the display memory and image information in the OSD memory are synthesized and displayed. Recording of projection image information into an external storage device includes setting an output image to BLANK; storing a projection image without correcting trapezoidal distortion into the display memory; and synthesizing the contents of the display memory and the additional writing image to into the external storage device. | 07-04-2013 |
20140307000 | DISPLAY DEVICE - In a display device provided with a frame memory developing an auxiliary line image as a display image and a means of reading out and displaying the image data developed in the aforementioned frame memory, the aforementioned auxiliary line image is constituted by background pixels and dashed auxiliary lines constituted by pixels which have luminance or color that is different from that of the background color and pixels with have nearly identical luminance or color to that of the background color; and by carrying out the display of the dashes so as to move, at fixed time intervals or arbitrary time intervals, the dash display areas of the aforementioned auxiliary lines on the trajectory of the figure described by the aforementioned auxiliary lines, the system is devised to display the auxiliary lines while controlling that an identical pixel of the display device is not displayed continually. | 10-16-2014 |
Patent application number | Description | Published |
20090242781 | X-RAY DETECTOR - An X-ray detector includes: a semiconductor substrate to generate charged particles by an irradiation of an X-ray; a plurality of pixel electrodes arranged in matrix on an X-ray incident surface of the semiconductor substrate and applied with a first electric potential to detect the charged particles; and a platy electrode provided on a surface opposite to the X-ray incident surface of the semiconductor substrate and applied with a second electric potential different from the first electric potential. | 10-01-2009 |
20130093902 | INFRARED SOLID STATE IMAGING DEVICE - An infrared solid state imaging device includes an infrared detection element unit having heat sensitive pixels, an AD conversion unit which conducts analog-to-digital conversion on an infrared image signal obtained by the infrared detection element unit, and a digital signal processing unit which converts the image signal converted to a digital signal. The digital signal processing unit stores an image value produced from the digital signal, and acquired in a frame immediately preceding a current frame, subtracts an image value obtained by multiplying the image value acquired in the frame immediately preceding the current frame by a predetermined constant α in a range of 0 to 1, from an image value acquired in the current frame, and conducts processing of multiplying a resultant image value obtained by the subtraction by 1/(1−α) so that an infrared image with less afterimage is provided. | 04-18-2013 |
20130242237 | LIQUID CRYSTAL DISPLAY APPARATUS INCLUDING INTERFERENCE FILTERS - According to one embodiment, a liquid crystal display apparatus includes an interference filter, a transistor, a substrate, and a liquid crystal layer. The interference filter includes a first area and a second area. The first area transmits light in a first wavelength band and reflects light except the first wavelength band. The second area transmits white light. The transistor is provided on the first area and the second area. The substrate faces the interference filter. The liquid crystal layer is provided between the interference filter and the substrate. | 09-19-2013 |
20130248714 | UNCOOLED INFRARED IMAGING DEVICE - An uncooled infrared imaging device according to an embodiment includes: reference pixels formed on a semiconductor substrate and arranged in at least one row; and infrared detection pixels arranged in the remaining rows and detecting incident infrared rays. Each of the reference pixels includes a first cell located above a first concave portion. The first cell includes a first thermoelectric conversion unit having a first infrared absorption film; and a first thermoelectric conversion element. Each of the infrared detection pixels includes a second cell located above a second concave portion, and having a larger area than the first cell. The second cell includes: a second thermoelectric converting unit located above the second concave portion; and first and second supporting structure units supporting the second thermoelectric converting unit above the second concave portion. The second thermoelectric converting unit includes: a second infrared absorption film; and a second thermoelectric conversion element. | 09-26-2013 |
20140071534 | INTERFERENCE FILTER, DISPLAY DEVICE, AND DISPLAY DEVICE MANUFACTURING METHOD - According to one embodiment, a display device includes an interference filter including following layers, and a display layer. The first common layer includes first and second regions. The second common layer faces the first common layer. The first spacer layer is provided between the first and second common layers and includes first and second portions facing the first and second regions. The thickness of the first portion is different from the thickness of the second portion. The second spacer layer faces at least one of the first and second portions through the second common layer and is made of the same material as that of the first spacer layer. The coating layer faces the second common layer through the second spacer layer. | 03-13-2014 |
Patent application number | Description | Published |
20120061791 | INFRARED DETECTION DEVICE - According to one embodiment, an infrared detection device includes a detection element. The detection element includes a semiconductor substrate, a signal interconnect section, a detection cell and a support section. The semiconductor substrate is provided with a cavity on a surface of the semiconductor substrate. The signal interconnect section is provided in a region surrounding the cavity of the semiconductor substrate. The detection cell spaced from the semiconductor substrate above the cavity includes a thermoelectric conversion layer, and an absorption layer. The absorption layer is laminated with the thermoelectric conversion layer, and provided with a plurality of holes each having a shape whose upper portion is widened. The support section holds the detection cell above the cavity and connects the signal interconnect section and the detection cell. | 03-15-2012 |
20120228496 | UNCOOLED INFRARED IMAGING ELEMENT AND MANUFACTURING METHOD THEREOF - An uncooled infrared imaging element includes a pixel region, a device region, and a support substrate. The pixel region includes heat-sensitive pixels. The heat-sensitive pixels are arranged in a matrix and change current-voltage characteristics thereof in accordance with receiving amounts of infrared. The device region includes at least one of a drive circuit and a readout circuit which includes a MOS transistor. The drive circuit drives the heat-sensitive pixels. The readout circuit detects signals of the heat-sensitive pixels. The support substrate is provided with a cavity region to be under pixel region and the MOS transistor. | 09-13-2012 |
20140285753 | DISPLAY DEVICE - According to one embodiment, a display device includes a first polarizing layer configured to transmit light polarized in a first direction, a second polarizing layer configured to transmit light polarized in a second direction, a display layer provided between the first polarizing layer and the second polarizing layer, an interference filter provided between the first polarizing layer and the display layer, and a refracting layer. The refracting layer includes a first layer and a second layer contacting the first layer. The second polarizing layer is disposed between the refracting layer and the display layer. The second layer is provided between the first layer and the second polarizing layer. The first layer includes a protrusion extending along the first direction and protruding toward the second polarizing layer. | 09-25-2014 |
Patent application number | Description | Published |
20150084021 | SEMICONDUCTOR ELEMENT, DISPLAY DEVICE, METHOD FOR MANUFACTURING SEMICONDUCTOR ELEMENT, AND METHOD FOR MANUFACTURING DISPLAY DEVICE - A semiconductor element includes a semiconductor layer, a first and a second conductive unit, a gate electrode, and a gate insulating film. The semiconductor layer includes a first portion, a second portion, and a third portion provided between the first portion and the second portion. The first conductive unit is electrically connected to the first portion. The second conductive unit is electrically connected to the second portion. The gate electrode is separated from the first conductive unit, the second conductive unit, and the third portion. The gate electrode opposes the third portion. The gate insulating film is provided between the third portion and the gate electrode. A concentration of nitrogen of the first portion is higher than a concentration of nitrogen of the third portion. A concentration of nitrogen of the second portion is higher than the concentration of nitrogen of the third portion. | 03-26-2015 |
20150084040 | SEMICONDUCTOR DEVICE AND IMAGING DEVICE - According to one embodiment, a semiconductor device includes a semiconductor layer including a first semiconductor portion and a second semiconductor portion being continuous with the first semiconductor portion, a first gate electrode, a second gate electrode, an insulating film. The first semiconductor portion includes a first portion, a second portion and a third portion provided between the first portion and the second portion. The second semiconductor portion includes a fourth portion separated from the first portion, a fifth portion separated from the second portion, and a sixth portion provided between the forth portion and the fifth portion. The first gate electrode is separated from the third portion. The second gate electrode is separated from the sixth portion. The insulating film is provided at a first position between the first gate electrode and the semiconductor layer and at a second position between the second gate electrode and the semiconductor layer. | 03-26-2015 |
20150084149 | RADIATION DETECTOR AND RADIATION DETECTION APPARATUS - A radiation detector according to an embodiment includes: a semiconductor substrate; a light detecting unit provided on a side of a first surface of the semiconductor substrate; a first insulating film provided covering the light detecting unit; a second insulating film covering the first insulating film; a scintillator provided on the second insulating film; an interconnection provided between the first and second insulating films, and connected to the light detecting unit; a first electrode connected to the interconnection through a bottom portion of the first opening; a second electrode provided on a region in the second surface of the semiconductor substrate, the region opposing at least a part of the light detecting unit; a second opening provided in a region surrounding the first electrode and not surrounding the second electrode; and an insulating resin layer covering the first and second electrodes and the first and second openings. | 03-26-2015 |