Abstract: A probe for measuring a cathodic protection condition of a buried steel structure includes: a body; a reference electrode accommodated in an interior of the body; and a volume of backfill accommodated in the interior of the body and at least partially surrounding the reference electrode. The backfill includes at least one of: zinc sulfate (ZnSO4) and lithium acetate.

Abstract: A device for measuring electrode potential includes a body having an insertion portion to receive a cylindrical secondary battery with a separated beaded part formed on one surface thereof, a cover covering the one surface of the body, a working electrode terminal fixed to the body; and a counter electrode terminal fixed to the body. The insertion part includes a first insertion portion, into which a cap assembly of the cylindrical secondary battery is insertable, a second insertion portion, into which a case of the cylindrical secondary battery is insertable, and a third insertion portion, into which a first electrode tab of the cylindrical secondary battery is insertable. The second insertion part includes a case insertion portion, into which the case of the cylindrical secondary battery is insertable, and an injection portion, into which an electrolyte is injectable. A reference electrode terminal is connected to the injection portion.

Abstract: A method for estimating an operation voltage of a cell includes setting a state in which one cell is shielded from light; detecting a small change of an output current of a module in that state; irradiating another cell with modulated and detecting the small change of the output current light in that state; detecting an operation voltage of the module in that state; generating a first calibration line by connecting a first point and a second point which are plotted on coordinate axes representing a voltage and a relative ratio of a resistor; irradiating a cell the operation voltage of which is to be estimated with the modulated light and detecting the small change of the output current of the module in a state in which none of the cells is shielded from light; detecting the operation voltage of the module in that state; generating a second calibration line by connecting a third point and the second point which are plotted on the coordinate axes; calculating a value of the relative ratio of the resistor of the

Abstract: A camera can perform two different photographing operations with a lens at different positions without vignetting while preventing entry of light and dust. A camera includes a frame including a film compartment to contain a photographic film and a barrel extending from the film compartment in an optical axis direction, and a lens barrel movable in the barrel in X-direction. The lens barrel includes cylinders movable frontward relative to the barrel, and a cylinder movable frontward relative to the cylinder. The camera includes a rear bellows connecting the frame and the cylinder, and a front bellows connecting the cylinder and the cylinder. In a first photographing state in which the cylinders extend frontward relative to the barrel and the cylinder is accommodated inside the cylinder, the rear bellows is expanded and the front bellows is partially contracted. In a second photographing state, the cylinder extends frontward relative to the cylinder.

Abstract: A method for setting parameters values of a video source device comprising obtaining a value of an image characteristic for a current image generated by the video source device set with initial parameters values; determining a satisfaction level for the image characteristic of the current image based on the obtained value, the satisfaction level representing a probability to fulfil a task; obtaining a set of candidates, a candidate being defined as a set of parameters values; for each candidate, predicting an evolution of the satisfaction level for the image characteristic relatively to the satisfaction level determined while the video source device is set with the initial parameters values; selecting a candidate based on its predicted evolution of the satisfaction level; setting the parameters values of the video source device using the set of parameters values of the selected candidate.

Abstract: A method for determining runout error includes generating a first magnetic field to interact with a second magnetic field generated by four or more poles of a magnet ring mounted to a first platform. The interaction may cause the first platform to rotate relative to a second platform. The method may further include receiving, from a magnetic field sensor, data including respective boundaries between neighboring poles of the four or more poles relative to a corresponding nominal boundary defined by substantially uniform boundary spacing. The method may include determining a magnetic field pattern from the data and, based on the pattern, determining an angular position of the four or more poles. The method may further include determining an angular difference between the determined angular position and a nominal angular position. The method may also include determining a runout error based on an amplitude of the angular difference.

Abstract: A voltage detection apparatus includes a capacitor and first and second differential voltage detection circuits. A reference voltage supplying unit supplies a first reference voltage from a first output terminal to the first differential voltage detection circuit, and supplies a second reference voltage from a second output terminal to the second differential voltage detection circuit. A fault determining unit determines a fault in the first or second differential voltage detection circuit based on a first voltage that is inputted from a first input terminal and a second voltage that is inputted from the second input terminal. A voltage output circuit is supplied a third reference voltage from a third output terminal between the first output terminal and the second output terminal, and outputs a third voltage to a third input terminal between the first input terminal and the second input terminal.

Abstract: A device configured for mounting to a surface, comprises a base part and an attachment part, the attachment part being attachable to the base part, wherein the base part is provided with a keyhole-shaped opening for receiving a fastener comprising a head and a shaft for attaching the base part to the surface, the keyhole-shaped opening comprises a first segment permitting passage of the head and shaft and a second segment permitting passage of the shaft but preventing passage of the head.

Abstract: An exemplary embodiment of the present invention a rotor including a lens and formed with a first driving unit, a stator formed with a second driving unit driving the rotor in response to electromagnetic interaction with the first driving unit, and a base on which the stator is fixed, wherein the rotor is brought into contact with the base, in a case the lens is in a UP posture, and the rotor is distanced from the base, in a case the lens is in a DOWN posture.

Abstract: In an electronic apparatus, a display at least partially has flexibility, includes a plurality of display portions, and includes a bending portion at each of boundaries of the display portions. An electronic apparatus includes, near each bending portion, a hinge portion that relatively rotatably couples two display portions and is configured to be bendable at each bending portion as a start point in response to rotation of each hinge portion. A main body coupling member rotatably couples the display to the main body portion. The display is able to transition to an accommodated state in which the display overlaps at a position that is different from the grip portion inside an outer shape of the main body portion and an unfolded state in which the plurality of display portions are unfolded in a parallel and same direction.

Abstract: A camera can perform two different photographing operations with a lens at different positions without vignetting while preventing entry of light and dust. A camera includes a frame including a film compartment to contain a photographic film and a barrel extending from the film compartment in an optical axis direction, and a lens barrel movable in the barrel in X-direction. The lens barrel includes cylinders movable frontward relative to the barrel, and a cylinder movable frontward relative to the cylinder. The camera includes a rear bellows connecting the frame and the cylinder, and a front bellows connecting the cylinder and the cylinder. In a first photographing state in which the cylinders extend frontward relative to the barrel and the cylinder is accommodated inside the cylinder, the rear bellows is expanded and the front bellows is partially contracted. In a second photographing state, the cylinder extends frontward relative to the cylinder.

Abstract: In contrast to the traditional transitions used in systems that switch over a camera with a handheld top mount to a low mode mount, a quick swap top mountable camera mount system includes a quick swap handheld top mount, a quick swap mounting plate, and a quick swap low mode mount. Unlike traditional methods and components, fewer pieces are required to be removed and replaced due, in part, to the use of quick swap coupling elements, which allow various types of mounts to quickly and easily decouple from the quick swap mounting plate.

Abstract: A monitoring system for a power grid includes one or more power transformer monitors. Each power transformer monitor includes a plurality of optical sensors disposed on one or more optical fibers that sense parameters of the power transformer. Each optical sensor is configured to sense a power transformer parameter that is different from a power transformer parameter sensed by at least one other sensor of the plurality of optical sensors. An optical coupler spatially disperses optical signals from the optical sensors according to wavelength. A detector unit converts optical signals of the optical sensors to electrical signals representative of the sensed power transformer parameters.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a main axis. The movable portion is movably disposed on the fixed portion. The movable portion is connected to an optical element. The driving assembly is used for driving the movable portion to move relative to the fixed portion.

Abstract: A blade open-close device retains a blade at a predetermined position under an external load. A blade open-close device includes a base, a cover plate covering part of the base, and a blade located between the base and the cover plate. The blade is movable between a closing position to cover an opening in the cover plate and an opening position to uncover the opening. The blade open-close device further includes an actuator that moves the blade between the opening position and the closing position, a stopper movable between a lock position at which a protrusion on the stopper is on a path of the blade and an unlock position at which the stopper is entirely retracted from the path when the blade is at the opening position and when the blade is at the closing position, and a voice coil motor that moves the stopper from the lock position toward the unlock position.

Abstract: A trail camera mounting and camouflaging device having a trail camera mounting point and a mounting bracket for mounting the camouflaging device to a substrate, such as a tree or other material. The camouflaging device has a series of flexible arms that extend outward away from the mounting bracket. The flexible arms are configured to be bent and otherwise manipulated into retaining the shape of the bend or manipulation. Each flexible arms has one or more fingers attached to the flexible arm. The fingers can utilize a flexible material such as a twist tie or can otherwise be configured with a clipping or clamping motion to attach foliage to the fingers. The flexible arms and fingers are configured to be manipulated and bent into position, such that foliage or other material camouflages the trails camera without blocking the sensor(s) of the trail camera.

Abstract: A blade open-close device retains a blade at a predetermined position under an external load. A blade open-close device includes a base, a cover plate covering part of the base, a blade between the base and the cover plate, a driving actuator that moves the blade in X-direction, and a stopper actuator located adjacent to the driving actuator in X-direction to restrict an operation of the driving actuator. The driving actuator includes a rotor magnet rotatably located adjacent to a yoke and a driving lever including a connecting part connected to the blade. The stopper actuator includes a rotor magnet rotatably located adjacent to a yoke and a stopper lever including a restrictor movable onto a path of the driving lever in the driving actuator.

Abstract: Provided is an imaging device that includes a first coil that moves a lens that collects light from a subject, in an optical axis direction of the light in accordance with a first magnetic field and that moves together with the lens, a second coil for moving the lens in a direction perpendicular to the optical axis in accordance with a second magnetic field, and a third coil for detecting the first magnetic field. The second coil and the third coil are arranged on a same substrate.

Abstract: The present embodiment relates to a lens driving apparatus, a camera module comprising the lens driving apparatus, and an optical device comprising the camera module. The lens driving apparatus comprises: a base; a first substrate placed on the base; a housing placed on the first substrate; a bobbin placed inside the housing; a lower resilient member for coupling the bobbin and the housing; a first coil placed on the bobbin; a magnet placed on the housing and facing the first coil; and a second substrate placed on the first substrate and comprising a second coil which faces the magnet, wherein the lower resilient member is connected to the first substrate or the second substrate.

Abstract: An apparatus includes a camera for capturing an image at a first moment; a range finder for measuring a distance to an object at a center of the image; a rotatable mounting platform, fixedly hosting the camera and the range finder; and a controller. The controller is configured to receive the captured image and the measured distance; determine whether a target of interest (TOI) appears in the image; in response to determining a TOI appearing in the image, determine whether the TOI appears at the center of the image; calculate position parameters of the rotatable mounting platform for centering the TOI in an image to be captured at a second moment, separated from the first moment by a pre-determined time interval; control the rotatable mounting platform to rotate according to the calculated position parameters; and calculate and store the position parameters of the TOI with respect to the apparatus.