Abstract: The present invention discloses a method for producing a mosaic diamond comprising implanting ions in the vicinity of the surfaces of a plurality of single-crystal diamond substrates arranged in the form of a mosaic, or in the vicinity of the surfaces of mosaic single-crystal diamond substrates whose back surfaces are bonded by a single-crystal diamond layer, so as to form non-diamond layers; growing a single-crystal diamond layer by a vapor-phase synthesis method; and separating the single-crystal diamond layer above the non-diamond layers by etching the non-diamond layers. The method of the present invention prevents the destruction of single-crystal diamond substrates by using a process that is simpler than conventional methods, thus allowing a large quantity of mosaic diamond to be produced in a stable and efficient manner.

Abstract: A head mounted display is provided. The head mounted display includes an image display unit which is configured to be mountable to a head of a user and optically guide an image to an eye of the user, a control unit which is connected to the image display unit via a connection cable and configured to control display of the image, and a holding unit which is provided to the control unit and configured to hold the image display unit.

Abstract: A field-sequential-type image forming device which includes: a light valve element which divides one field of a color image to sectors corresponding to primary colors different from each other and forms images corresponding to the primary colors during periods of the respective sectors; a light emission control unit which controls light emission quantities of the light sources; and an image control signal outputting unit which outputs control signals to the light valve element. In such an image forming device, the image control signal outputting unit outputs signals for forming the image by controlling light quantities of lights emitted from the primary color sources during the primary color light emission period and light quantity correction signals for controlling light quantity of the image corresponding to the positions of the pixels which form the image during the high-brightness light emission period.

Abstract: A radio wave arrival angle detecting device includes: a first receiver antenna; a second receiver antenna that is located apart from the first receiver antenna by a distance less than the wavelength of the signal wave; an oscillator that outputs an oscillation wave at the same frequency as the signal wave; a first multiplier that outputs a first mixture wave by multiplying the first signal wave by the oscillation wave; a first filter that extracts a first DC component of the first mixture wave; a second multiplier that outputs a second mixture wave by multiplying the second signal wave by the oscillation wave; a second filter that extracts a second DC component of the second mixture wave; and an arrival angle calculator that calculates a phase difference between the first signal wave and the second signal wave and that calculates an arrival angle of the signal wave.

Abstract: An imaging unit images a predetermined range including at least a range where an image is displayed out of a field-of-view range of a user. An image forming unit forms a background canceling image which cancels a background image which is visually recognized by a user via an external light based on an imaged image imaged by the imaging unit. The image forming unit combines the background canceling image with the original image corresponding to original image information by aligning them in terms of display position and size. An image formed by combining the background canceling image with the original image is displayed on the display unit by a display control unit.

Abstract: A sensor chip has a substrate and a comb-teeth electrode arranged on the substrate. The sensor chip is fixed to a diaphragm structure to be distorted by receiving pressure, and is fixed to the diaphragm structure only through a predetermined fix area so as to detect the pressure. The fix area is defined on only a part of the sensor chip opposing to the diaphragm structure. The sensor chip is restrained by the diaphragm structure in a direction of transmitting surface acoustic wave. Flexibility of the sensor chip in a perpendicular direction approximately perpendicular to the wave transmitting direction is larger than that in the transmitting direction.

Abstract: A motion state detection method which uses a pair of electrodes, facing each other to fix mutual positional relationship, and a movable spherical conductor disposed between the pair of electrodes, putting the pair of electrodes into either a conduction state or a non-conduction state, includes: defining a plurality of level values determined by the proportion of a duration of the conduction state in a unit time period and calculating a level value in the unit time period among the plurality of level values as a first level value; adding a second predetermined value to the first level value to calculate a second level value; and calculating the sum of squares of a plurality of first level values in a plurality of consecutive unit time periods as a first detection value and calculating the sum of squares of a plurality of second level values as a second detection value.

Abstract: A motion state detecting method using a detector, detecting one of a conducting state and a non-conducting state according to a movement of an object, includes: first processing to measure either a first number of times, indicating the number of times of change from the conducting state to the non-conducting state per unit time or a second number of times that is the number of times of change from the non-conducting state to the conducting state per the unit time; and second processing to regard either the first number of times or the second number of times as a change determination value and change a length of the unit time based on the change determination value; wherein a proportion of time of the conducting state per the unit time or the non-conducting state per the unit time is changed by changing the length of the unit time.

Abstract: A detecting method employing a first sensor and a second sensor, includes: first processing for detecting, on the basis of an output value of the first sensor, a predetermined state defined in advance; second processing for starting the second sensor according to the detection of the predetermined state; and third processing for generating interpolation data from an output value of the first sensor in a predetermined time until the second sensor becomes capable of outputting a measurement value after being started.

Abstract: A turbo decoding device includes a memory unit that stores data in an interleaving process performed in a process of decoding a coded signal encoded with a turbo code and an access unit that accesses the memory unit to read and write the data. The memory unit includes memory circuits and is formed as one memory space by coupling the memory circuits. Furthermore, the memory circuit functions as a first bank configuration by which a first capacity is assigned to each bank or a second bank configuration by which a second capacity is assigned to each bank in accordance with a combination of the memory circuits. Moreover, the access unit selects by which of the first bank configuration and the second bank configuration the memory unit functions in accordance with a communication method of a coded signal and accesses the memory unit in accordance with the selected bank configuration.

Abstract: An inclination detection method is disclosed, which uses a pair of electrodes placed so as to face each other and having a fixed positional relation and an electric conductor which can move between the pair of electrodes, wherein the pair of electrodes is in either a conducting state or a nonconducting state depending on the position of the movable electric conductor, the conducting state in a predetermined period is expressed as any one of a plurality of level values, and a movement state of the pair of electrodes is estimated based on which of the plurality of level values the conducting state takes on.

Abstract: A communication method includes: (a) dividing one bit data group into a plurality of bit groups, the one bit data group being taken out from a plurality of bit data groups defined by a communication protocol for transmitting predetermined information, and exerting no substantial influence on the predetermined information even when arbitrarily inverting a value of the bit; (b) determining whether or not the values of the bits constituting the bit group are all the same by each of the plurality of bit groups divided into in step (a); (c) inverting at least one of the values of the bits of the bit group determined in step (b) that the values of the bits are all the same; and (d) arranging the plurality of bit groups, each of which has at least one of the values of the bits inverted in step (c), in the plurality of bit data groups except the one bit data group at regular intervals.

Abstract: A surface acoustic wave device is disclosed. The surface acoustic wave device includes: a substrate having a plane surface; multiple first electrodes formed on the plane surface of the substrate; and multiple second electrodes formed on the plane surface of the substrate. Each of the first and second electrodes has a predetermined closed ring shape. The first and second electrodes are concentric. The second electrodes are located radially inside or radially outside of the first electrodes.

Abstract: The present invention provides a method for separating a surface layer of a diamond, which comprises implanting ions into a diamond to form a non-diamond layer near a surface of the diamond; and etching the non-diamond layer in the diamond by applying an alternating-current voltage across electrodes in an electrolytic solution; and a method for separating a grown layer of a diamond, which further comprises the step of growing a diamond by a vapor-phase synthesis method, after forming a non-diamond layer according to the above-described method. The invention is applicable to various single-crystal and polycrystal diamonds. More specifically, even with a large single-crystal diamond, a portion of the single-crystal diamond can be efficiently separated in a reusable form in a relatively short period of time.

Abstract: A sensor chip has a substrate and a comb-teeth electrode arranged on the substrate. The sensor chip is fixed to a diaphragm structure to be distorted by receiving pressure, and is fixed to the diaphragm structure only through a predetermined fix area so as to detect the pressure. The fix area is defined on only a part of the sensor chip opposing to the diaphragm structure. The sensor chip is restrained by the diaphragm structure in a direction of transmitting surface acoustic wave. Flexibility of the sensor chip in a perpendicular direction approximately perpendicular to the wave transmitting direction is larger than that in the transmitting direction.

Abstract: The present invention provides a method for producing a large substrate of single-crystal diamond, including the steps of preparing a plurality of single-crystal diamond layers separated form an identical parent substrate, placing the single-crystal diamond layers in a mosaic pattern on a flat support, and growing a single-crystal diamond by a vapor-phase synthesis method on faces of the single-crystal diamond layers where they have been separated from the parent substrate. According to the method of the invention, a mosaic single-crystal diamond having a large area and good quality can be produced relatively easily.

Abstract: A clock generating device includes: a DDS circuit that generates a periodic signal; and a comparator that compares an input signal and a reference signal and outputs a binary signal. The clock generating device includes a rate-of-change correcting unit that applies correction for increasing a rate of change at a crossing point with the reference signal to the periodic signal generated by the DDS circuit.

Abstract: The present invention provides a process for removing surface damage of a single-crystal diamond, which comprises implanting ions into a single-crystal diamond to form a non-diamond layer near a surface of the diamond, graphitizing the non-diamond layer, and removing a surface layer by etching. According to the invention, the surface damage can be removed or reduced without increasing the surface roughness of a single crystal diamond.

Abstract: A technique is disclosed of controlling a layer count of actual layers within a layered media stream having a maximum number “M” of layers that include “m(0?m?M)” video layers and an audio layer. The technique includes: receiving from at least one destination a quality event indicative of audio quality of the audio layer; calculating an estimated value of subjective quality of the received audio layer, based on the received quality event; calculating a quality value indicative of transmission quality of the media stream, based on the calculated subjective quality, and a ratio of a layer count “m” of at least one of the video layers, to the maximum number “M;” and, based on the calculated quality value, controlling a layer count of actual layers within the media stream.

Abstract: The invention provides a process for producing a single-crystal substrate with an off-angle, which comprises using, as a substrate, a material capable of epitaxial growth by a vapor-phase synthesis method, whose surface has an off-angle with respect to a crystal plane capable of epitaxial growth; implanting ions into the substrate having a surface with an off-angle to form a layer with a deteriorated crystal structure near the surface of the substrate; growing a crystal on the surface with an off-angle of the substrate by a vapor-phase synthesis method; and separating a grown crystal layer from the substrate. In accordance with the process of the invention, when producing off-substrates usable in vapor-phase synthesis of single crystals, the manufacturing costs can be reduced, and substrates with an identical off-angle can be produced easily and in large quantities.