Abstract: An imaging device includes a camera 31, a light source 32, a polarizer 35 arranged between the camera 31 plus the light source 32 and an object 11, and a spatial light modulator 40A arranged between the polarizer 35 and the object 11 to control a revolution angle of an emitting light polarization plane relative to an incident light polarization plane.

Abstract: There is provided an imaging unit comprising at least one image sensor, a measuring instrument including at least one marker, a position computing unit, a determining unit, and an output controller, wherein the imaging unit is configured to acquire an image comprising a user and the marker, and provide the acquired image to the position computing unit, wherein the position computing unit is configured to compute a position of the marker with respect to the user based on the image provided by the imaging unit, and further provide the computed position to the determining unit, wherein the determining unit is configured to determine whether the computed position of the marker matches a retrieved measurement position, and further output the result of the determination to the output controller, and wherein the output controller is configured to provide an indication when the marker position matches the measurement position.

Abstract: There is provided an imaging unit comprising at least one image sensor, a measuring instrument including at least one marker, a position computing unit, a determining unit, and an output controller, wherein the imaging unit is configured to acquire an image comprising a user and the marker, and provide the acquired image to the position computing unit, wherein the position computing unit is configured to compute a position of the marker with respect to the user based on the image provided by the imaging unit, and further provide the computed position to the determining unit, wherein the determining unit is configured to determine whether the computed position of the marker matches a retrieved measurement position, and further output the result of the determination to the output controller, and wherein the output controller is configured to provide an indication when the marker position matches the measurement position.

Abstract: There is provided an imaging unit comprising at least one image sensor, a measuring instrument including at least one marker, a position computing unit, a determining unit, and an output controller, wherein the imaging unit is configured to acquire an image comprising a user and the marker, and provide the acquired image to the position computing unit, wherein the position computing unit is configured to compute a position of the marker with respect to the user based on the image provided by the imaging unit, and further provide the computed position to the determining unit, wherein the determining unit is configured to determine whether the computed position of the marker matches a retrieved measurement position, and further output the result of the determination to the output controller, and wherein the output controller is configured to provide an indication when the marker position matches the measurement position.

Abstract: An imaging device includes a camera 31, a light source 32, a polarizer 35 arranged between the camera 31 plus the light source 32 and an object 11, and a spatial light modulator 40A arranged between the polarizer 35 and the object 11 to control a revolution angle of an emitting light polarization plane relative to an incident light polarization plane.

Abstract: There is provided an imaging unit comprising at least one image sensor, a measuring instrument including at least one marker, a position computing unit, a determining unit, and an output controller, wherein the imaging unit is configured to acquire an image comprising a user and the marker, and provide the acquired image to the position computing unit, wherein the position computing unit is configured to compute a position of the marker with respect to the user based on the image provided by the imaging unit, and further provide the computed position to the determining unit, wherein the determining unit is configured to determine whether the computed position of the marker matches a retrieved measurement position, and further output the result of the determination to the output controller, and wherein the output controller is configured to provide an indication when the marker position matches the measurement position.

Abstract: An image-capturing device including a lens system and an image-capturing unit upon which light having passed through the lens system is incident, wherein the image-capturing unit includes a plurality of first image-capturing elements configured to receive light in a first wavelength band and a plurality of second image-capturing elements configured to receive light in a second wavelength band which is different from the first wavelength band, and wherein the lens system or the image-capturing unit is provided with an optical element so that the light in the first wavelength band of which light quantity is less than the light quantity of the light in the second wavelength band reaches the image-capturing unit.

Abstract: In a gas phase olefin polymerization process using a fluidized bed vessel, an apparatus is employed having a device for measuring temperature or temperature distribution on the external wall surface of the vessel and a controlling means which predicts the progressive state of reaction inside the vessel, calculates the difference between the measured value and a target value determined beforehand and modifies polymerization conditions in relation thereto.

Abstract: In a gas phase olefin polymerization process using a fluidized bed vessel, an apparatus is employed having a device for measuring temperature or temperature distribution on the external wall surface of the vessel and a controlling means which predicts the progressive state of reaction inside the vessel, calculates the difference between the measured value and a target value determined beforehand and modifies polymerization conditions in relation thereto.

Abstract: In a gas phase olefin polymerization process using a fluidized bed vessel, an apparatus is employed having a device for measuring temperature or temperature distribution on the external wall surface of the vessel and a controlling means which predicts the progressive state of reaction inside the vessel, calculates the difference between the measured value and a target value determined beforehand an modifies polymerization conditions.

Abstract: The plasma addressed electro-optical display includes a panel having a plasma cell and a liquid crystal cell joined to each other with a dielectric sheet interposed in between. While the plasma cell has display channels arranged thereon in rows, the liquid crystal panel has signal electrodes arranged thereon in columns, which define pixels at the intersections with the display channels to thereby form an image. A scanning circuit is connected to the display channels and sequentially drives the display channels to discharge over the image and select pixels in each row through the dielectric sheet. A signal circuit is connected to the signal electrodes and drives the signal electrodes in synchronism with the driving for discharge and in accordance with one image of picture data, and, thereby, it writes signal voltages into the selected pixels.

Abstract: A plasma addressed display system with a flat panel structure comprising a display cell for displaying an image through modulation of incident light in accordance with an image signal, and a plasma cell joined to the display cell for scanning the same. The plasma cell has discharge channels arrayed in rows and generates discharges in succession to scan the display cell line sequentially. The display cell has signal electrodes arrayed in columns, and forms pixels at intersections with the discharge channels. The display cell applies an image signal in synchronism with the line sequential scanning and modulates the incident light per pixel. Pixels of two rows are defined in the discharge channel of one row.

Abstract: Disclosed herein is a plasma addressed display device which can adaptively control a voltage to be applied to each discharge channel, thereby suppressing an excess applied voltage. The plasma addressed display device includes a flat panel as a display. The flat panel has a laminated structure consisting of a plasma cell having a plurality of rows of discharge channels and a display cell having a plurality of columns of signal electrodes. A drive circuit sequentially supplies an applied voltage to a cathode in each discharge channel to generate a plasma discharge, thereby performing line-sequential scanning. A signal circuit supplies an image signal to each signal electrode in synchronism with the line-sequential scanning. A constant-current circuit operates so that a constant discharge current flows after the generation of the plasma discharge in each discharge channel. A detecting circuit samples a discharge voltage during flowing of the constant discharge current in each discharge channel.

Abstract: To optimize a discharge current flowing in each of discharge channels for performing linear sequential scan of a display cell, a panel 0 has a laminated structure in which a display cell having signal electrodes D arranged in columns and a plasma cell having discharge channels (K,A) arranged in rows are laminated to each other. Pixels 1 are defined in a matrix at positions where the signal electrodes D cross the discharge channels (K,A). A vertical drive circuit 2 repeatedly performs field scans in each of which pixels 1 are selected in a row-sequential manner by sequentially applying drive pulses each to the signal channels (K,A) for generating plasma discharges. A horizontal drive circuit 3 applies image signals each to the signal electrodes D, to write the image signals in the selected pixels 1. The vertical drive circuit 2 includes a detecting resistance 14 for detecting a discharge state of each discharge channel (K,A) for each field scan.

Abstract: In a plasma addressed display device, rush currents flowing through the respective channels during a discharge starting time period are suppressed.

Abstract: An electro-optical display device in accordance with the present invention has a plurality of picture elements arranged in a matrix form, and each of the picture elements is composed of an electro-optical material layer and a switching element which is electrically connected to the material layer in a series form. A data voltage is written on the electro-optical material layer via the switching element for a writing period. A reference voltage is applied to the other end of a connection to which the data voltage is applied, and the reference voltage is inverted alternately together with the data voltage for each predetermined period, by which the electro-optical material layer is ac driven. The value of the data voltage is controlled to coincide approximately with that of the reference voltage for the periods other than the writing period.

Abstract: To restrain cross-talk caused by floating capacitance of switching elements contained in an active matrix liquid crystal display apparatus, the active matrix liquid crystal display apparatus includes a matrix structure in which there are scanning lines and signal lines which intersect with each other in the form of a matrix and liquid crystal pixels and switching elements are arranged at the intersections. The signal lines are comprised of transparent electrodes formed in liquid crystal cells, and the scanning lines are comprised of discharge channels formed in plasma cells. The discharge channels are formed by cathodes and anodes and function as switching elements. A scanning circuit selects the switching elements row by row through the cathodes. A drive circuit writes signal voltages through the selected switching elements into the respective liquid crystal pixels via the transparent electrodes.

Abstract: A plasma addressing electro-optical device which can be driven at a comparatively low voltage is disclosed. A plurality of signal electrodes are formed on an inner surface of an upper glass substrate. A plurality of plasma electrodes as anodes and cathodes are formed on an inner surface of a lower glass substrate and extend perpendicularly to the signal electrodes. A liquid crystal layer is filled between the upper glass substrate and an intermediate dielectric sheet. A plasma chamber is provided between the dielectric sheet and the lower glass plate, and ionizable gas is enclosed in the plasma chamber. The gas is selectively ionized by discharge between the cathodes and the anodes, and taking the discharge regions, in which the ionized gas exists locally, as scanning units, the liquid crystal layer positioned at intersecting positions between the signal electrodes and the discharge regions is driven.