Abstract: Disclosed herein is a standalone audiovisual apparatus for the simultaneous acquisition and management of coverage, the simultaneous recording, and live on-the-fly editing of multiple angles, in accordance with some embodiments. Accordingly, the audiovisual apparatus comprises a body and arms. Further, the body comprises an upper body portion and a lower body portion. Further, the upper body portion comprises a body adapter disposed on the upper body portion. Further, the body adapter is configured for detachably attaching a primary recording device to the body adapter. Further, the lower body portion is disposable on a surface. Further, the arms are coupled to the body. Further, the arms comprise arm adapters. Further, the arm adapters are configured for detachably attaching secondary recording devices to the arm adapters. Further, the arms are configured for moving between arm positions in relation to the body for positioning the secondary recording devices in secondary recording positions.

Abstract: A blocking device for shafts includes a housing having a first seat for receiving a shaft movable along a first sliding axis, an actuator received in a second seat formed in the housing and movable along a second sliding axis away from and towards a blocking position of the shaft, and at least one runner which is received in the housing and which is interposed between the actuator and the shaft. The actuator is formed such that, when it is moved towards the blocking position, it urges the one runner both against the shaft and against the housing so as to block the actuator, the runner and the shaft with respect to the housing.

Abstract: A variable aperture device, which is suitable for photographing and filming of a camera module, includes a main body, a fluid passage, and a fluid accommodation cavity, wherein the main body is used to be provided in the camera module, and the main body has a light-transmitting region, the fluid passage is provided in the light-transmitting region of the main body, the fluid accommodation cavity is in communication with the fluid passage for an light-impermeable fluid to be driven to flow back and forth between the fluid accommodation cavity and the fluid passage to enlarge or reduce the light transmission area of the light-transmitting region.

Abstract: If vibration propagates to an operation button that is a moving member in a state where the operation button is not touched by a user, a noise is generated from near the operation button. Therefore, an electronic apparatus that reduces a noise generated from near an operation button is provided. In an electronic apparatus, a vibration device has a first vibration mode of vibrating an operation unit at a second position and a second vibration mode of vibrating an exterior member at a first position, and the operation unit is not in contact with a vibration propagation member at the first position, and the operation unit is in contact with the vibration propagation member at the second position or as the operation unit arrives at the second position.

Abstract: An image capturing apparatus having a forced air cooling function and capable of having an accessory attached thereto includes an image capturing apparatus body. A lens mount is provided on the apparatus body and can have a shooting lens removably attached thereto. An attachment portion is provided on the apparatus body and can have the accessory removably attached thereto. A built-in microphone is arranged on a side of a surface of the apparatus body, different from any of a surface where an air outlet port for discharging air used for forced cooling is arranged, a surface where the lens mount is arranged, and a surface where the attachment portion is arranged. The built-in microphone is arranged at a location closer to a top surface of the image capturing apparatus body than a bottom surface thereof.

Abstract: A measuring arrangement for redundantly determining a quantitative value of a current flow includes a first and second current-measuring modules connected in parallel, where the first current-measuring module includes a first analogue input and a first current measurement resistor and a voltage-measuring unit to determine the value of current flowing into the analogue input and through the first current measurement resistor, the second current measuring module includes a second analogue input and a second current measurement resistor and a voltage-measuring unit to determine the value of current flowing into the second analogue input and through the second current measurement resistor, and includes a control unit that detects a gradual change in voltages determined by the voltage-measuring units, and when gradual changes in the voltages that are counter to each other occur, a current-measuring module is excluded from the determination of the quantitative value of the current flow.

Abstract: A camera fixed by suction to a transparent member and configured to capture an image through the transparent member includes: a planar portion having an opening; an auxiliary member attached to a surface of the planar portion and including a hole formed therein, the hole communicating with the opening of the planar portion, the auxiliary member having a plate shape and being brought into contact with the transparent member; and a suction portion causing the auxiliary member to be attached by suction to the transparent member by forming a negative pressure in the opening of the planar portion, in which the auxiliary member is softer than a material of the planar portion.

Abstract: An optical apparatus includes: an optical system; and a holding member configured to hold the optical system, wherein the holding member includes a first connection portion provided on an object side of the optical system, and a second connection portion provided between the optical system and the first connection portion, and wherein a lens apparatus is detachably mountable to the optical apparatus via the first connection portion, and an optical element is detachably mountable to the optical apparatus via the second connection portion.

Abstract: A camera-lens waterproofing device is provided, including a shell, a camera lens, a cover ring and an outer cover. A mounting hole is formed in a surface of the shell. The camera lens includes a body and a lens. One end of the body is disposed to the mounting hole, and the other end of the body extends out of the mounting hole. The lens is located at the other end of the body. The cover ring is connected to the body in a sleeving manner and fixed on the mounting hole. The outer cover is fixed at a periphery of the lens in a sleeving manner to form a first-layer waterproof structure and disposed on the surface of the shell, and covers the exterior of the cover ring. The cover ring abuts between the camera lens and the shell to form a second-layer waterproof structure.

Abstract: A digital camera is provided with a vertically long camera body having an approximately rectangular solid shape. An LCD panel provided in a rear surface of the camera body is arranged such that longitudinal directions of the display screen and the camera body correspond to each other. The digital camera is operated through a touch panel provided in a lower portion of the display screen. In a taking mode, an image is displayed in a small size on an upper portion of the display screen. In reproducing, the camera body is rotated sideways by 90 degree. In a reproducing mode, display posture of the image is also rotated by 90 degree, and the image is displayed in a large size on the entire display screen.

Abstract: A transparent screen includes a plurality of transparent plates arranged in a front-rear direction; and a screen main body, interposed between the transparent plates, configured to display video images projected from a front side or a rear side of the transparent screen to a user on the front side, and enable a rear background to be visually recognized by the user. In a cross section orthogonal to a part of an outer edge of the transparent screen, the transparent screen has a curved shape, and a length of a center line in a plate thickness direction of the transparent plate on an external side of the screen main body in a curvature radius direction of the curved shape is greater than a length of a center line of the transparent plate on an internal side of the screen main body.

Abstract: A mounting apparatus on which an accessory including a first mount is mountable, comprising: a second mount that is capable of coupling to the first mount of the accessory; terminals disposed along a circumferential direction of the second mount and used for electrical connection with corresponding terminals provided on the accessory; and mount claws for engaging with claws provided in the accessory. A terminal holder has first and second stages at different positions in a direction parallel to a center-axis direction of the second mount. The terminals include a first terminal for detecting mounting of the accessory and a second terminal for supplying communication power to the accessory. The second stage is projecting toward the accessory further than the first stage in a state where the accessory is mounted on the mounting apparatus.

Abstract: An arrangement includes a spiralled conductor strand supported by a winding support. The winding support is a ring and is assembled from a plurality of segments abutting one another. At a first abutment the spiralled conductor strand ends on both sides of the abutment so as to leave the same free, and at a second abutment the conductor strand runs beyond the second abutment. A method for producing a measuring transformer is also provided.

Abstract: An optical unit with shake-correction function is provided and includes: a movable body, a rotational support structure, a gimbal mechanism, a fixed body, and a rolling corrective-magnet drive structure. The rotational support structure, which supports the movable body to be rotatable around an optical axis, is rotatably supported by the gimbal mechanism around two axes intersecting with the optical axis. The rotational support structure includes a first annular groove provided on the movable body, a plate roller including a second annular groove facing the first annular groove, and multiple spherical objects inserted in the first annular groove and the second annular groove. The gimbal mechanism supports the plate roller to be rotatable. The rolling corrective-magnet drive structure, which rotates the movable body around the optical axis, includes a rolling corrective magnet on the movable body side, and two rolling corrective coils on the fixed body side.

Abstract: A daylight redirecting window film formed by a flexible multi-layer film laminate with a total thickness of less than one millimeter and configured to be applied to an indoor-facing window surface of a building facade. The window film includes a pair of outer film substrates flanking a light redirecting core layer. The core layer includes a parallel array of channels defining total internal reflection (TIR) surfaces and linear optically transmissive structures protruding transversely thought the core layer and bonded to the outer film substrates. A light output surface of the outer film substrate which is disposed on an indoor-facing side of the laminate includes a two-dimensional pattern of light scattering microstructures which are configured to spread light at least in a plane that is perpendicular to the channels.

Abstract: A softbox speedring is provided to reduce the manufacturing costs through a simple structure, to be simply repaired, and allow the rapid folding and spreading of a pole shaft. A softbox speedring having a fitting assembly structure includes a speedring body including a central hole formed at a center of the speedring body, a plurality of adaptor inserting holes formed along an outer circumferential surface of the speedring body, and rotational shaft seating grooves formed in first perpendicular surface and second perpendicular surface of each adaptor inserting hole, and an adaptor including a head part including rotational shafts protruding from opposite perpendicular surfaces of the head part to be fitted into and assembled with the rotational shaft seating grooves, and a body part provided at a lower portion of the head part and including a pole inserting part formed in a lower end of the body part.

Abstract: An analog fault detection circuit is disclosed. The analog fault detection circuit comprises an input terminal, an input circuit path coupled to the input terminal at a first end and a first sampling switch coupled to the second end of the input circuit path. The first sampling switch is configured to sample an input path voltage at the second end of the input circuit path to provide a first analog to digital converter (ADC) input voltage. The analog fault detection circuit further comprises a first ADC conversion circuit configured to convert the first ADC input voltage to a first digital ADC output; and a first broken wire detection circuit coupled between the first sampling switch and the first ADC conversion circuit, and configured to adaptively pulldown or pullup the first ADC input voltage, in order to detect a fault associated with a first analog circuit path.

Abstract: A Hall sensor circuit includes a first Hall sensor, a second Hall sensor, a first preamplifier circuit, a second preamplifier circuit, a subtractor circuit, and a duty cycling circuit. The first preamplifier circuit includes an input and an output. The input is coupled to the first Hall sensor. The second preamplifier circuit includes a first input, a second input, and an output. The first input is coupled to the second Hall sensor. The subtractor circuit includes a first input coupled to the output of the first preamplifier circuit, a second input coupled to the output of the second preamplifier circuit, and an output coupled to the second input of the second preamplifier circuit. The duty cycling circuit is coupled to the second preamplifier circuit and the second Hall sensor.

Abstract: A portable computing device that includes a base portion that carries an audio module and a display housing that carries a display is disclosed. The display housing is coupled with, and rotatable with respect to, the base portion. The display housing includes a magnet, and the base portion includes a magnetic field sensor that detects an external magnetic field of the magnet. The magnetic field sensor provides a signal that deactivates the display. In order to reduce layout changes in the portable computing device, the magnetic field sensor is positioned in an audio housing that carries the audio module. However, the magnetic field sensor is designed and oriented to detect the magnetic field from the magnet in the display housing and effectively ignore magnets associated with the audio module. In order to reduce the amount of electrical connections, the magnetic field sensor is electrically coupled to the audio module.

Abstract: A lens hood includes: a casing provided with a through-hole; first and second rotary frames which are arranged side by side in an opening direction of the through-hole and rotate in opposite directions in conjunction with each other; and first and second lens covers which approach or separate from each other to open and close the through-hole. The first lens cover includes a first connection portion that is provided on one end side and rotatably connected to the first rotary frame, and a second connection portion that is provided on the other end side and rotatably connected to the second rotary frame. The second lens cover includes a third connection portion that is provided on one end side and rotatably connected to the second rotary frame and a fourth connection portion that is provided on the other end side and rotatably connected to the first rotary frame.