Abstract: An apparatus for AC physical signals measurement and data acquisition and the method for the same are provided. The apparatus for AC physical signals measurement and data acquisition comprises an analog sampling channel for inputting an AC signal and outputting an analog sampling value; a sampling switch for performing re-sampling to obtain data frequency as required by the receiving side; a register for storing a re-sampling value from the sampling switch; a bus for outputting the re-sampling value in the register to the receiving side; a timing controller for controlling the analog sampling channel and the re-sampling frequency of the sampling switch; and a digital low-pass filter, which has an input connected with the analog sampling value outputted by the analog sampling channel and an output connected with the sampling switch, filters out high frequency components from the sampling value, and has a cut-off frequency that should be lower than 0.5 times the re-sampling frequency of the sampling switch.

Abstract: The invention regards an method for estimating the end of lifetime for a power semiconductor device, such as an IGBT power module, comprising the steps of; establishing the temperature of the power semiconductor device, determining the voltage drop over the power semiconductor device for at least one predetermined current where the current is applied when the power semiconductor device is not in operation, wherein the end of lifetime is established dependent on the change in a plurality of determined voltage drops.

Abstract: The present disclosure includes systems and methods for solving speckle problems by exciting the screen with a more complex vibration spectrum. A range of frequencies provides, in effect, a collection of overlapping patterns of high and low displacement, so that all regions of the screen have enough motion to reduce visible speckle. As previously discussed acceptable speckle may be approximately 15% contrast or less, preferably approximately 5% contrast or less at approximately 15 feet from the screen.

Abstract: A method for inspecting an electronic device, in which inspection of electrical characteristics is carried out, uses conduction to pass a current to an electronic device while the electronic device is being continuously conveyed.

Abstract: A position sensor module (1) for control capsules (2), having a base carrier (3) which base carrier (3) has a first receiving space (4) in which is arranged a sensor chip (5) and a second receiving space (6) in which is arranged a plug contact strip (7) of a plug contact arrangement (8) which is connected to chip contacts (9) of the sensor chip (5), and a cover part (10) which covers the first receiving space (4) and the second receiving space (6). The cover part leaves open an access opening (11) to the plug contact strip (7), and fixes the sensor chip (5) and the plug contact arrangement (8) to the base carrier (3).

Abstract: An overcurrent detection apparatus includes a sense emitter current detection unit that detects a sense emitter current output from a sense emitter of an IGBT as a sense emitter voltage, and a comparison unit that detects an overcurrent by comparing the sense emitter voltage detected by the sense emitter current detection unit with a threshold voltage. The overcurrent detection apparatus also includes a correction current detection unit that detects a correction current corresponding to a current flowing between a gate and the sense emitter of the IGBT as a corrected voltage; and a voltage correction unit that calculates a sense emitter corrected voltage by subtracting the correction voltage detected by the corrected current detection unit from the sense emitter voltage detected by the sense emitter current detection unit, and supplies the sense emitter corrected voltage to the comparison unit.

Abstract: With magnetic poles of a magnetic scale each having a length in the moving direction of T, a magnetic field sensing part has m element lines (m?2) each including n magnetic sensors (n?2) as the magnetic sensors corresponding to one of the magnetic poles. The n magnetic sensors included in one of the element lines are arranged at a constant pitch of ?(?=T/n). Each of the magnetic sensors included in the second or further element line is placed shifted by ?/m in the moving direction of the opposite magnetic pole from each of the magnetic sensors included in the previous element line.

Abstract: An exemplary electronic device is in a housing to be gripped by both hands, and measures the potentials of first and second fingers of respectively different hands. The device includes: a first electrode group provided in a position to come in contact with the first finger, including a first main electrode and at least one first auxiliary electrode provided in a position away from the first main electrode; a second electrode group provided in a position to come in contact with the second finger, including a second main electrode and at least one second auxiliary electrode provided in a position away from the second main electrode; a biological signal processor for, from potential values measured at the first and second electrode groups, determining respective contact states concerning the first and second fingers; and a transmission circuit for presenting information concerning a finger contact state based on a result of determination.

Abstract: The present invention provides an electroacoustic conversion film comprising: a polymeric composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material exhibiting viscoelasticity at normal temperature; and two or more electrode pairs, wherein one electrode and the other electrode of each of the electrode pairs are arranged on two opposite main surfaces of the polymeric composite piezoelectric body, respectively, to interpose the polymeric composite piezoelectric body therebetween, and thereby each of the electrode pairs forms an active region.

Abstract: A lighting film 1 includes a base member 10 which has light-transmitting properties, a plurality of protrusion portions 11 which have light-transmitting properties and are formed on one surface of the base member 10 so as to be adjacent to each other, and a gap portion 12 which is formed between the protrusion portions. In the protrusion portion 11, a first end surface 11a on the base member 10 side or a second end surface 11b on an opposite side to the base member 10 is configured as a light incidence end surface, and a side surface 11c which comes into contact with the gap portion 12 is configured as a reflective surface of totally reflecting light which is incident from the light incidence end surface. The base member 10 or a member that is formed on one surface of the base member 10 and has light-transmitting properties is exposed in the gap portion 12.

Abstract: Enhancing color(s) in a digital slide image to increase contrast. In an embodiment, a digital slide image of a tissue sample is acquired. The tissue sample is counterstained, such that the digital slide image comprises an image of a first stain and a second stain. The contrast between the first stain and the second stain is increased to enhance the digital slide image.

Abstract: A window glass includes an incident surface, an emergent surface opposite to the incident surface, a bottom surface, and a top surface opposite to the bottom surface. The incident surface and the emergent surface are interconnected between the top surface and the bottom surface. A plurality of sawteeth is defined on the emergent surface. Each sawtooth includes a first surface adjacent to the top surface and a second surface adjacent to the bottom surface. In each sawtooth, an angle between the first surface and the incident surface is over 90 degrees. The second surface and the incident surface cooperatively define an acute angle. The acute angle increases from the top surface down to the bottom surface and causes the redirection of early morning sunlight up to a ceiling of a room or building containing the window glass.

Abstract: An optical film includes a plurality of transparent layers configured to transmit light and a plurality of reflection layers configured to reflect light. The plurality of transparent layers are disposed at spaced intervals to each other in a first direction orthogonal to a thickness direction of the optical film; each of the plurality of reflection layers is interposed between the transparent layers that are next to each other of the plurality of transparent layers; and the plurality of transparent layers include a first transparent layer and a second transparent layer that has a smaller index of refraction than that of the first transparent layer.

Abstract: An optical distributor (10) is formed as a reflector with one or more sloping surfaces. The sloping surfaces have varying angles of inclination from a bottom edge (20) to a top edge of the reflector. The sloping surfaces may form a substantially pyramidal or conical frustum-shaped surface. The sloping surfaces may additionally or alternatively form a band of adjacent or contiguous faceted surfaces. The reflector is configured to receive light rays through an opening (32) in a first plane (30) and reflect light rays radially outward and upward at varying angles of reflection (8B) to a bottom surface of the first plane (30) in a manner that illuminates both the bottom surface of the first plane (30) and an area (40) below the first plane (30). The reflected light may illuminate the first plane (30) and the area (40) below in a substantially uniform manner.

Abstract: The disclosure discloses an adjustable supporting device and a projection display device. The adjustable supporting device includes a frame and a plurality of strip-shaped connectors, wherein the frame includes a plurality of sub-frames connected in order, and a strip-shaped groove is arranged on the outer wall of each of the sub-frames and extends in the length direction of the sub-frames; each of the strip-shaped connectors has one side installed in corresponding one strip-shaped groove, and the other side located outside the strip-shaped groove to be connected with a side of the soft screen, and a position-limiting protrusion is arranged on the side of the strip-shaped connector located in the strip-shaped groove; and an automatic force adjusting unit is arranged between the strip-shaped groove and the corresponding strip-shaped connector.

Abstract: The disclosure generally relates to concentrating daylight collectors and in particular to concentrating daylight collectors useful for interior lighting of a building. The concentrating daylight collectors generally include a cassegrain-type concentrator section that provides for a full-tracking solar collector with one moving part and with a high efficiency of coupling of collected solar irradiation to a stationary duct. In some cases, the disclosed concentrating daylight collectors can be used more conventionally, such as for directing sunlight onto a photovoltaic cell for generation of electrical power, or an absorbing surface for extraction of thermal energy.

Abstract: A running machine including a hollow cylinder-shaped rotator having a diameter and including a wall having a constant thickness, a hollow cylinder-shaped display unit having a diameter greater than that of the rotator and encircling the rotator, and a support for supporting the rotator and the display unit in an upright state and for enabling rotation of the rotator about an axis of the rotator.

Abstract: A rollable display screen for use in electronic display systems includes a rollable screen that is mechanically coupled to a roller mechanism and has a plurality of pixel elements disposed thereon. The roller mechanism is configured as a stowing mechanism for the rollable screen, and may be further configured to deploy the rollable screen as a substantially planar viewing surface. The rollable display screen can be advantageously used for a durable and easily transported electronic display device since the rollable display screen is light-weight, durable, and compact.

Abstract: An image forming apparatus include a door through which a tray carrying a cartridge passes. In a door closing operation, (i) movement of the tray from a movable position to an image forming position, (ii) movement of a drive transmission member, for transmitting a driving force to the cartridge from a main assembly, from a first spacing position to a drive-connecting position, (iii) movement of an urging member for urging the cartridge to the main assembly from a second spacing position to a contact position, and (iv) movement of an electric energy supply member, for supplying electric power to the cartridge from the main assembly, from a third spacing position to an electric energy supplying position, are carried out in the order named.

Abstract: A rear projection screen includes an array of pin-hole apertures to pass display light incident from a first side of the rear projection screen through to a viewing side of the rear projection screen opposite the first side. An array of concentrator structures surrounds the pin-hole apertures and defines concentrating optical pathways. The concentrating optical pathways each have an input aperture for collecting the display light and an output defined by a corresponding one of the pin-hole apertures to emit the display light. The input apertures are larger than the pin-hole apertures.