Abstract: An acoustic arrangement shelf is configured to be capable of facilitating adjustment of acoustic properties and be capable of enhancing aesthetic appeal of a space for which the acoustic properties are to be adjusted. The acoustic arrangement shelf includes: a shelf frame including a plurality of segments; and an acoustic adjustment member configured to be removably placed in at least one of the segments and change a property of input sound.

Abstract: A vitrified grinding stone having an open and homogeneous structure in which an abrasive grain and an inorganic hollow filler are bonded by an inorganic bonding agent, the abrasive grain is filled at a proportion by volume fraction of 23 to 35 vol %, and has homogeneity with a standard deviation of 10 or less in a frequency distribution chart of an area ratio of an abrasive grain, which is a distribution chart of proportions of a solid matter including the abrasive grain per unit area at a plurality of locations in a cross section of the vitrified grinding stone.

Abstract: Provided is a noise identifying apparatus and noise identifying method, allowing automatic identification of whether or not a measured noise has been influenced by a non-object noise, using a simple system. Apparatus includes a sound detection unit, including plural microphones and/or particle velocity sensors; a sound source direction specifying unit, specifying an instantaneous direction of a sound source for each unit time, on the result of detection by the sound detection unit; a variation degree calculating unit, calculating a variation degree of the plural instantaneous directions specified by the sound source direction specifying unit for a prescribed period set longer than the unit time; and a non-object noise determining unit, determining the existence/absence of a non-object noise having influenced the measurement of an object noise taken as an object to be measured, coming from a noise source, on the variation degree calculated by the variation degree calculating unit.

Abstract: A displaying device includes a first storing portion that stores first connection data indicating connection statuses of a plurality of instruments and a controlling system, a second storing portion that stores second connection data indicating connection statuses of a plurality of instruments and an instrument controlling device, a displaying portion that displays the first connection statuses through the first connection data and the second connection statuses through the second connection data, and a display controlling portion that causes the first connection statuses and the second connection statuses to be displayed separately on the displaying portion.

Abstract: Provided is a noise identifying apparatus and noise identifying method, allowing automatic identification of whether or not a measured noise has been influenced by a non-object noise, using a simple system. Apparatus includes a sound detection unit, including plural microphones and/or particle velocity sensors; a sound source direction specifying unit, specifying an instantaneous direction of a sound source for each unit time, on the result of detection by the sound detection unit; a variation degree calculating unit, calculating a variation degree of the plural instantaneous directions specified by the sound source direction specifying unit for a prescribed period set longer than the unit time; and a non-object noise determining unit, determining the existence/absence of a non-object noise having influenced the measurement of an object noise taken as an object to be measured, coming from a noise source, on the variation degree calculated by the variation degree calculating unit.

Abstract: The open air layer-type vibration reduction structure is provided with at least one plate-like member of which the obverse surface faces toward the open space side; and a frame spaced at an interval from the reverse surface of the plate-like member, and an air layer is formed between the plate-like member and the frame. An air-permeable ventilation portion is formed at least one of the plate-like member and the frame, such that the average value of the flow resistance on the surface of at least one of the plate-like member and the frame, which forms an air layer, is in a range greater than 0 N·s/m3 and equal to or less than 1,000 N·s/m3. The ventilation portion may be configured such that the sound pressure level generated within the air layer by applying an external force to the air layer is reduced by 3 dB or more.

Abstract: A displaying device includes a first storing portion that stores first connection data indicating connection statuses of a plurality of instruments and a controlling system, a second storing portion that stores second connection data indicating connection statuses of a plurality of instruments and an instrument controlling device, a displaying portion that displays the first connection statuses through the first connection data and the second connection statuses through the second connection data, and a display controlling portion that causes the first connection statuses and the second connection statuses to be displayed separately on the displaying portion.

Abstract: A data creating device includes a composite data creating portion that creates a copy of data that is stored in a data storing portion and creates composite data by applying changed data that has been inputted through a data inputting portion, a comparing portion that compares the composite data created by the composite data creating portion and the data that is stored in the data storing portion to extract, from the composite data, parts that are different from the data, and a display controlling portion that displays, on a displaying portion, the data that is stored in the data storing portion along with the composite data, in a form wherein it is possible to identify the parts in the composite data that are different, extracted by the comparing portion, and parts that are same.

Abstract: A data creating device includes an instrument control data generating portion that creates instrument definition data wherein fields for defining a field instrument in an instrument controlling device, including instrument tag information for the field instrument, are added to point definition data. The data creating device also includes a display controlling portion that controls creation and display of display data for inputting the instrument tag information into instrument tag information fields of the instrument definition data. The display data that is created by the display controlling portion is displayed on the displaying portion under control of the display controlling portion.

Abstract: The open air layer-type vibration reduction structure is provided with at least one plate-like member of which the obverse surface faces toward the open space side; and a frame spaced at an interval from the reverse surface of the plate-like member, and an air layer is formed between the plate-like member and the frame. An air-permeable ventilation portion is formed at least one of the plate-like member and the frame, such that the average value of the flow resistance on the surface of at least one of the plate-like member and the frame, which forms an air layer, is in a range greater than 0 N·s/m3 and equal to or less than 1,000 N·s/m3, The ventilation portion may be configured such that the sound pressure level generated within the air layer by applying an external force to the air layer is reduced by 3 dB or more.

Abstract: There is provided a sound field adjusting method that can provide an acoustic improvement effect tailored to the characteristics of various acoustic rooms, with small differences in reflection properties between sound receiving points. The diameters of a plurality of columnar reflectors are calculated so as to diffuse sound waves of respective different frequency ranges. An arrangement condition is calculated so that the columnar reflectors having the calculated diameters form a plurality of reflecting surfaces that reflect the sound waves of different frequency ranges in random reflection directions, with random reflection time delays, or in random phases. The plurality of columnar reflectors having respective different diameters are then arranged under the arrangement condition.

Abstract: There is provided a sound field adjusting method that can provide an acoustic improvement effect tailored to the characteristics of various acoustic rooms, with small differences in reflection properties between sound receiving points. The diameters of a plurality of columnar reflectors are calculated so as to diffuse sound waves of respective different frequency ranges. An arrangement condition is calculated so that the columnar reflectors having the calculated diameters form a plurality of reflecting surfaces that reflect the sound waves of different frequency ranges in random reflection directions, with random reflection time delays, or in random phases. The plurality of columnar reflectors having respective different diameters are then arranged under the arrangement condition.

Abstract: According to one embodiment, a copyright protection processing apparatus is provided in a source device containing content items that are objects of copyright protection. The apparatus includes a network interface which is connected to a sink device which utilizes the content items, and a protection process section which executes mutual authentication for exchanging keys requested by the sink device in a state where a network connection is established with the sink device via the network interface and performs a protection process of encrypting the content items by the secret key shared as a result of successful mutual authentication and transmitting the encrypted content items to the sink device. A content list process section adds an item of error information to the content list to be transmitted to the sink device, upon failure in the mutual authentication.

Abstract: It is possible to simultaneously identify the sound coming direction from a sound source in all directions and estimate the sound intensity of the sound source. A plurality of microphones (11) are arranged on the surface of a baffle (10) of a shape such as a sphere and polyhedron so that sound from all directions are acquired. A calculation device (40) calculates the amplitude characteristic and the phase characteristic of acoustic signals acquired by the microphones (11). The signal information and information on sound field analysis around the baffle are integrated and calculation to emphasize a sound coming from a particular direction is performed for all the directions so as to identify the sound coming direction from a sound source. According to these calculation results and the distance input by an input device (70), it is possible to estimate the sound intensity of the sound source at a plurality of portions generated at the sound source or boundary surface.

Abstract: A disk device (10) comprises a case (11) for supporting the entire disk device (10), a base chassis (12) on which a spindle motor (21) for rotating the disk is set, a counterweight (13) for absorbing vibration of the base chassis (12), and a plurality of elastic bodies (14a-14d) for mutually supporting the case (11), the base chassis (12) and the counterweight (13). The case (11), the base chassis (12), and the counterweight (13) are supported by the common elastic bodies (14a-14d). As a result, there can be provided the dynamic vibration absorber in which the number of parts is not increased and a cost can be reduced, and the optical disk device (10) using the dynamic vibration absorber.

Abstract: It is possible to simultaneously identify the sound coming direction from a sound source in all directions and estimate the sound intensity of the sound source. A plurality of microphones (11) are arranged on the surface of a baffle (10) of a shape such as a sphere and polyhedron so that sound from all directions are acquired. A calculation device (40) calculates the amplitude characteristic and the phase characteristic of acoustic signals acquired by the microphones (11). The signal information and information on sound field analysis around the baffle are integrated and calculation to emphasize a sound coming from a particular direction is performed for all the directions so as to identify the sound coming direction from a sound source. According to these calculation results and the distance input by an input device (70), it is possible to estimate the sound intensity of the sound source at a plurality of portions generated at the sound source or boundary surface.

Abstract: A disk device (10) comprises a case (11) for supporting the entire disk device (10), a base chassis (12) on which a spindle motor (21) for rotating the disk is set, a counterweight (13) for absorbing vibration of the base chassis (12), and a plurality of elastic bodies (14a-14d) for mutually supporting the case (11), the base chassis (12) and the counterweight (13). The case (11), the base chassis (12), and the counterweight (13) are supported by the common elastic bodies (14a-14d). As a result, there can be provided the dynamic vibration absorber in which the number of parts is not increased and a cost can be reduced, and the optical disk device (10) using the dynamic vibration absorber.

Abstract: A rubber vibration insulator for use in a vibration insulation device integrated into precision instruments such as acoustic, computer-associated and game instruments, which insulator has a low hardness, a small compression set, a large loss tangent and a small temperature dependence and can be prepared by curing a rubber composition comprising 100 parts by weight of a partially crosslinked butyl rubber and 50 to 200 parts by weight of an extender component as well as a vulcanizing agent.

Abstract: A video-on-demand system has a video-on-demand server 103, connected to a network 106, for storing a plurality of video content, a set-top box 102, connected to the network 106, for recalling video content stored in the video-on-demand server and viewing the recalled video content, and a TV picture receiving apparatus 101 connected to the set-top box 102, wherein the video-on-demand server 103 having content information 109 indicating characteristic of the plurality of video content stored therein, and a search server 107, connected to the network 106, for searching the content information 109 stored in the video-on-demand server 103, being provided.

Abstract: The present invention provides a rubber vibration insulator for use in a vibration insulation device integrated into precision instruments such as acoustic, computer-associated and game instruments, which insulator has a low hardness, a small compression set, a large loss tangent and a small temperature dependence. The insulator can be prepared by crosslinking and curing a rubber composition comprising 100 parts by weight of a partially crosslinked butyl rubber and 50 to 200 parts by weight of an extender component.