Abstract: A data search method of a first device storing multiple sets of privacy data acquired from multiple persons and multiple reference features corresponding to the multiple sets of privacy data, where the multiple reference features each are expressed by an n-dimensional vector, includes receiving first encrypted features from a second device connected to the first device, generating multiple second converted features by a second conversion of the multiple reference features, generating of multiple second encrypted features by encrypting the multiple second converted features using inner product encryption, acquiring multiple inner product values by performing inner product computation of each of the first encrypted features and the multiple second encrypted features, determining whether or not the first features and the first reference features are similar, and transmitting of first privacy data corresponding to the first reference features out of the multiple sets of privacy data to the second device.

Abstract: A method of producing a polishing head including: a backing pad, for holding a workpiece back surface, stuck on a lower portion of a rigid body; and a ring template, for holding a workpiece edge, disposed on a lower surface of the backing pad. This polishing head brings a front surface of the workpiece into sliding contact with a polishing pad attached on a turn table while holding the workpiece back surface on the lower surface of the backing pad. The method includes sticking the backing pad on the lower portion of the rigid body with a double-sided tape under a reduced pressure without heating; and sticking the template on the backing pad with a double-sided tape or a liquid or paste reaction curable adhesive containing no solvent under a reduced pressure without heating. This method can polish the workpiece into a very flat workpiece.

Abstract: A method of obtaining a shared prediction model is provided. The method includes: obtaining a prediction model as a neural network; converting each negative numerical value in a plurality of parameters included in the prediction model to a positive numerical value to obtain a converted prediction model; and sharing the converted prediction model by a secret sharing method to obtain shared prediction models while concealing an input data.

Abstract: Treatment with an acoustic catheter is disclosed. A photoacoustic catheter system includes an imaging laser beam generator that generates an imaging laser beam used for imaging; a treatment laser beam generator that generates a treatment laser beam used for treatment; a driver that provides driving to cause the imaging laser beam and the treatment laser beam to be emitted in a predetermined direction with respect to an advancing direction of a catheter; an acoustic element that receives an acoustic wave generated due to irradiation of the imaging laser beam; and a treatment laser beam controller, wherein the treatment laser beam controller synchronously emits the imaging laser beam and the treatment laser beam so as to be directionally aligned with each other.

Abstract: A fluid controller heating apparatus includes a cylindrical heater unit that surrounds a portion of an opening-and-closing valve to be heated, and a heat insulation jacket that surrounds the heater unit. The heater unit includes a pair of heat-transfer members to which plate-shaped heaters are fixed, respectively. The heat-transfer members are mounted so as to hold the opening-and-closing valve therebetween from both sides and are capable of being coupled to each other with a screw member. The heat insulation jacket is a cylindrical integrated product.

Abstract: A fluid control apparatus includes a gas line unit detachably attached to a frame. The gas line unit includes a line support member to which a fluid control device is attached. The frame includes: a first horizontal frame member; and a second horizontal frame member located below the first horizontal frame member. The first horizontal frame member includes: a hooking member extending in a left-right direction; and a lower portion which is located below the hooking member and in which a plurality of first grooves that are open to front are formed. The line support member includes: a device placement portion; and a pair of side plate portions protruding rearward from right and left edges of the device placement portion. Each of the side plate portions includes: a base portion located below the hooking member; and an upper portion located above the base portion and behind the hooking member.

Abstract: A coordinate-conversion-parameter determination apparatus includes a marker detector that detects feature points of a marker from each of a first and second images; a three-dimensional position determiner that calculates three-dimensional coordinates of each of the feature points of the marker in a camera coordinate system in which reference is a first place, based on positions of the feature points in the first and second images; and a coordinate-conversion-parameter determiner that calculates a coordinate conversion parameter so that a sum of absolute values of errors between three-dimensional coordinates in a world coordinate system, the three-dimensional coordinates in the world coordinate system being obtained by converting the three-dimensional coordinates of the feature points of the marker in the camera coordinate system by using the coordinate conversion parameter, and three-dimensional coordinates of feature points in the world coordinate system that correspond to the feature points of the marker in

Abstract: A fluid control apparatus having a fixing device is provided. A through hole of a lower level member includes a large diameter portion opening to an upper surface and a small diameter portion continuing from a lower side of the large diameter portion and opening to a lower surface. A fixing member includes a head portion that is to be inserted into the large diameter portion of the through hole of the lower level member, an upper shaft portion to be inserted into the small diameter portion of the through hole of the lower level member, and a lower shaft portion inserted at an upper end portion into a through hole of a supporting member. The lower shaft portion is provided with an engaging projection that engages a lower opening edge of the through hole of the supporting member and prevents the fixing member from dropping off the supporting member.

Abstract: There are provided a dimmer that can solve practical problems including burn-in and easily change a transmittance to external light and a video display device using the same. A dimmer includes a stack of two or more light control layers that change a transmittance to incident light by controlling an applied voltage in the incident direction of the incident light. A video display device includes a video generator that generates picture light; a video projector that projects the picture light as a virtual image in the field of view of a user; the dimmer disposed on the opposite side of the projecting side of the video projector to the user for adjusting the light quantity of external light to be entered to a user's eye through the video projector; and a light controller that controls the dimmer suitable for the luminosity of external light detected at an external light detector.

Abstract: A solar cell module laying system is configured to lay a plurality of solar cell modules on a wall surface rising in a substantially vertical direction. The plurality of solar cell modules includes a first solar cell module and a second solar cell module adjacent to each other, and the two adjacent solar cell modules have an overlapping region. The terminal box is disposed between the two adjacent solar cell modules and in the overlapping region, and a configuration satisfies the following condition (1) or (2). (1) A part of the terminal box is exposed toward an outside of a gap. (2) A part of the gap is closed by a member, the member can be attached to and removed from the gap, and a part of the terminal box is exposed toward the outside of the gap when the member is removed from the gap.

Abstract: Provided are a fixing device for a lower-stage member which facilitates a leveling operation for making upper surfaces of lower-stage members coplanar, and can further enhance a vibration absorbing effect generated by an elastic member, and a fluid control device which includes the fixing device. A fixing device for a lower-stage member is configured such that respective lower-stage members (2) are fixed once and, thereafter, a desired lower-stage member (2) is moved upwardly against an elastic force (21) so as to finely adjust positions of upper surfaces of a plurality of lower-stage members (2). The elastic member (21) is formed of an annular body made of rubber or a synthetic resin. A cutout (21a, 21b) which imparts the elastic deformation by bending when a force in the vertical direction is applied to the elastic member (21) is formed on an upper portion and a lower portion of an inner peripheral surface of the elastic member (21).

Abstract: An optical scanning device for displaying or capturing an image is used, the device including: an optical scanning unit configured to scan emitted light while drawing a spiral trajectory, wherein the unit includes: a light guide path configured to guide incident light to output the emitted light from an emission end; and a vibration unit configured to vibrate the emission end; a light emission control unit configured to control light emission of the emitted light; a polar coordinate generation unit configured to generate a radius and a deflection angle relating to the spiral trajectory; a driving signal generation unit configured to generate a driving signal for driving the vibration unit; an angle correction unit configured to perform calculation for correcting an angle based on information from the driving signal generation unit and output an corrected angle; and a coordinate calculation unit configured to calculate coordinates of an image.

Abstract: In an information processing method, a query including a first encrypted feature value provided with confidential information unique to a user is received. The first encrypted feature value is generated by encrypting a first feature value calculated from privacy data of the user by using inner product encryption. A plurality of inner product values are acquired by computing an inner product of the first encrypted feature value and each of a plurality of second encrypted feature values. Privacy data of a plurality of pieces of privacy data having an inner product value of the first encrypted feature value and a second encrypted feature value with an encrypted reference feature value calculated from the privacy data being equal to or smaller than a predetermined threshold is transmitted. A secret key of the user is identified by using the confidential information when an unauthorized access is detected, and identification information is outputted.

Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.

Abstract: A device includes: an outer case; an inner case; a cylindrical base having a distal end that penetrates through a cylinder of the outer case to be fixed to the outer case; and a fastener configured to be mounted on the distal end of the base, the fastener including: an exterior configured to be guided by a guide provided to the inner case; a fastener-side engaging portion engageable with the inner case; and a contact peripheral portion configured to be contact with the outer case to prevent the inner case from rotating relative to the outer case.

Abstract: A physical quantity measuring device includes: a cylindrical portion having therein an inner space; a first case provided to a first end of the cylindrical portion; a sensor unit housed in the first case; a second case provided to a second end of the cylindrical portion; a circuit portion housed in the second case; a heat insulating portion disposed to face the sensor unit; a sealing portion that defines a hermetic seal between the heat insulating portion and an inner circumferential surface of the cylindrical portion; a first partition member that separates the sensor unit from the inner space at the first end; and a heat-insulative second partition member that is in contact with an opening edge or the inner circumferential surface of the second end and separates the inner space from the circuit portion near the second end.

Abstract: A manufacturing apparatus and manufacturing method for manufacturing a three-dimensional filaments-linked structure includes: divided weight information acquisition means which records divided weight information acquired by dividing weight distribution in a height direction of a person in a height axis direction, in correlation with a distance from a top of a head of the person; and three-dimensional linked structure formation means which tangles and fuses filaments of a thermoplastic resin material extruded from an extruder in a three-dimensional net shape, and forms a three-dimensional filaments-linked structure which is long in a product streaming direction, and the three-dimensional linked structure formation means includes filament density control means which controls filament density in the product streaming direction based on the divided weight information.

Abstract: A head-mounted display (101) includes: an imaging assembly (203) imaging scenery seen by a user to generate a source picture; a storage unit (202) storing color correction factors used for correcting brightness of each of a red, green and blue color components included in a picture; a correction picture generator (212) performing color correction processing for enhancing a color component with a relatively low color correction factor stored in the storage unit (202), of the red, green and blue color components forming the source picture, to generate a correction picture; a picture display assembly (207) displaying the correction picture in the field of view of the user under a condition where he/she is able to perceive the outside world; and a special picture processor (213) performing picture processing for overlaying the correction picture and the source picture on each other for display.

Abstract: Provided is a cap for a handwheel that opens and closes a valve, capable of being readily attached to the handwheel without requiring a large space around the handwheel. The cap has easily switchable two working modes: One is a co-rotation mode where the cap is capable of rotating with the handwheel and the other is an independent rotation mode where the cap is capable of rotating independently of the handwheel. The cap has an internal casing to be securely fitted to the handwheel; an external casing being rotatable around its axis and having the internal casing in an interior thereof; a clutch for connecting the external casing with the internal casing and for disconnecting the former from the latter; and a maintaining member for keeping the external casing rotatable independently of the internal casing when they are disconnected by the clutch.

Abstract: A fluid control system is provided in which the number of bolts is greatly reduced so that the number of assembling steps can be decreased. The system has first and second joint blocks with engagement portions respectively, a support mechanism having a guide portion engageable with each of the blocks, and a fluid device including a body that defines a fluid channel having first and second channel ports opened on a bottom surface thereof, the blocks are restrained on the support mechanism while being movable in the longitudinal direction when the engagement portions are engaged with the guide portion respectively, and the body of the fluid device is installed on the upper surfaces of the blocks so that the channel ports of the body are communicated with the channel ports on the upper surfaces of the blocks, respectively, and the body is connected with the blocks by fastening members, respectively.