Abstract: An optical element includes a structured carrier layer having a macrostructure at a main surface and a layer of cured material. The layer of cured material includes an optically smooth surface facing away from the main surface, a macrostructure surface of the surface being dependent on the macrostructure of the carrier layer and on a layer thickness profile of the layer.

Abstract: A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber.

Abstract: A laminated optical disk, applied for lighting system or solar energy system, includes a plurality of annular lenses, a base and a circular light guiding unit. The annular lenses are arranged in order from center to outside to form a disk-structure. Each annular lens has a light-input curved surface and a light-output curved surface respectively matching the different thickness of the base. The light-input curved surface is opposite to the center. The light-output curved surface is opposite to the light-input curved surface, and facing to the center. The light is incident on the light-input curved surface, refracted and tended to concentrate by the light-input curved surface. Besides, the light exiting from the annular lens is to be refracted to the is direction of the center by the light-output curved surface. The base of the laminated optical disk can significantly improve the light leakage problem by different annular lenses.

Abstract: The present invention provides an anti-glare film having superior display characteristics of both having anti-glare properties and preventing white blur from occurring as well as having a higher production yield by preventing formation of a projection as a defect in outward appearance. The anti-glare film is an anti-glare film including: a translucent base: and an anti-glare layer on at least one surface of the translucent base, wherein the anti-glare layer is formed using an anti-glare layer-forming material containing a resin, particles, and thixotropy-imparting agents, the anti-glare layer includes a flocculated portion forming a convex portion on a surface of the anti-glare layer by flocculation of the particles and the thixotropy-imparting agents, and in the flocculated portion, the particles are present in the state of being gathered in an in-plane direction of the anti-glare layer.

Abstract: An optical substrate having a structured surface that enhances brightness and reduces moire effect. The optical substrate has a three-dimensionally varying, structured light output surface that comprises an irregular prismatic structure. The irregular prismatic structure may be viewed as comprising longitudinal prism blocks or rows thereof, arranged laterally defining peaks and valleys. Adjacent peaks, adjacent valleys, and/or adjacent peak and valley may be parallel or non-parallel, in an orderly, semi-orderly, random, or quasi-random manner. The lateral adjacent peaks, adjacent valleys, and/or adjacent peak and valley are not parallel. The adjacent irregular prism blocks may be irregular longitudinal sections having the same length, or random or quasi-random irregular sections having different lengths. The facets of each prism block may be flat, or curved (convexly and/or concavely).

Abstract: A head-mounted display (HMD) provides an augmented view of advertisements to an HMD wearer. In some embodiments, when an advertisement is within an HMD wearer's field of view, the HMD may augment the HMD wearer's view of the advertisement to provide additional information and/or to personalize the advertisement to the HMD wearer. In other embodiments, when an advertisement is within an HMD wearer's field of view, the HMD may augment the HMD wearer's view of the advertisement to remove the advertisement from the HMD wearer's view or to replace the content of the advertisement with non-advertising content.

Abstract: A variable-magnification projection optical system substantially consists of a negative first lens group that is disposed at the most enlargement-side position and is fixed during magnification change, a positive last lens group that is disposed at the most reduction-side position and is fixed during magnification change, and a plurality of lens groups that are disposed between the first lens group and last lens group and are moved during magnification change. The most enlargement-side lens group (the second lens group) of the lens groups that are moved during magnification change has a negative refractive power. Predetermined conditional expressions relating to a back focus of the entire system on the reduction side at the wide-angle end, a focal length of the entire system at the wide-angle end, a focal length of the second lens group and a focal length of the last lens group are satisfied.

Abstract: An imaging lens provided with a negative first lens group and a positive second lens group arranged in order from the object side. The first lens group is composed of a first group first lens which is a negative single lens, and the second lens group is composed of a positive second group first lens, a positive second group second lens, and a negative second group third lens arranged in order from the object side. The second group first lens is a biconvex lens, the second group second lens is a biconvex lens, the second group third lens is a meniscus lens, an aperture stop is disposed between the second group first and second lenses, and the second group second and third lenses form a cemented lens. The imaging lens satisfies conditional expressions (1): ?0.89?f1/f<0 and (4): 0.3<dt1/f<0.8.

Abstract: An imaging lens provided with a negative lens group and a positive second lens group disposed in order from the object side. The first lens group is composed of a first group first lens which is a negative single lens, and the second lens group is composed of a positive second group first lens, a positive second group second lens, and a negative second group third lens disposed in order from the object side in which an aperture stop is disposed in the second lens group or the first group first lens has a biconcave shape and an aperture stop is disposed between the second group first lens and the second group second lens.

Abstract: Low ghosting wide-angle lens designs are presented. The dimensions and materials are selected such that the lens has a field of view of at least 145 degrees, f# of 2.2-2.9 and all secondary images of an object imaged on the image plane are focused such that they fall either outside of the image plane thus having a relative intensity that is less than 10?4 times the intensity of the primary image. In one embodiment a set of conditional expressions are all met. In another embodiment the conditional expressions are all met and the conditional expressions related to the physical size of the lens is narrowed. In another embodiment five and seven element designs are produced.

Abstract: An imaging lens provided with a negative first lens group and a positive second lens group arranged in order from the object side. The first lens group is composed of a first group first lens which is a biconcave negative single lens, and the second lens group is composed of a positive second group first lens, an aperture stop, a positive second group second lens, and a negative second group third lens arranged in order from the object side, in which the second group second lens and the second group third lens are cemented together to form a cemented lens. When f1 and f2 are taken as the focal lengths of the first group first lens and the second group first lens respectively, the imaging lens satisfies a conditional expression (4a?): 0.62<|f1/f2|<0.82.

Abstract: An image-forming lens includes, from an object side to an image side in order: a first lens group; an aperture; and a second lens group with a positive refractive power, the first lens group including, from the object side in order: a first F lens group with a negative refractive power; and a first R lens group with a positive refractive power, the first F lens group including, from the object side in order: a first negative lens; and a second negative lens, and the first R lens group including: any one of a positive lens and a cemented lens with a positive refractive power as a whole, wherein a distance from a surface on a most object side of the first lens group to an image plane in a state of focusing on an object at infinity: L, and a maximum image height: Y? satisfy Conditional expression 1: 2.8<L/Y?<4.3.

Abstract: An imaging capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface and a convex image-side surface. The second lens element with negative refractive power has a concave image-side surface. The third lens element has positive refractive power. The plastic fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, wherein the surfaces are aspheric. The plastic fifth lens element has a concave image-side surface, wherein an object-side surface and the image-side surface are aspheric, and at least one surface has at least one inflection point.

Abstract: An imaging lens provided with a negative first lens group and a positive second lens group disposed in order from the object side. The first lens group is composed of a first group first lens which is a negative biconcave single lens, and the second lens group is composed of a positive second group first lens, an aperture stop, a positive second group second lens, and a negative second group third lens disposed in order from the object side. The second group second lens and second group third lens are cemented together to form a cemented lens. The imaging lens is configured to satisfy a conditional expression (3) 0.9<dt3/f<1.3, and further configured to satisfy conditional expression (1) 31<?d2<55 or (1?): 35<?d2 and a conditional expression (2): ?10<?d1??d2<25.

Abstract: Films for display device covers and display device covers comprising the same are disclosed. In one embodiment, a display cover for coupling to a display device includes a perimeter portion comprising a first surface and a second surface. A film of polymeric material may be attached to at least one of the first surface or the second surface of the perimeter portion. The film may include a first array of prisms extending from an edge of the perimeter portion to a distance L. The first array of prisms may be offset from and positioned below a surface of the film by an offset spacing dz.

Abstract: Color correction system for an automated stage light that allows the color temperature of the light beam to be continuously adjustable to both a higher and lower Kelvin value than the natural temperature of the open beam, by filtering using a dual peak filter and also color correcting the beam.

Abstract: A Dynamic Wave-Shaping (DWS) write driver for use in a preamp in a disk drive is described. The DWS write driver includes a Dynamic Current Booster (DCB) that adds a current component (WDCB) to the standard write driver signal (including overshoot) that is a function of the bit spacing in the write data input waveform supplied to the write driver. The invention allows dynamic control of the bit-pattern dependent overshoot amplitude without requiring significant preamp overhead. Embodiments of the Dynamic Current Booster include a programmable analog feed-forward timer at the preamp level. The boost current amplitude is a function of the time between the transitions that represent bits. In embodiments, the polarity of the boost current WDCB can be programmed to be positive or negative.

Abstract: A magnetic device according to one embodiment includes a source of flux; a magnetic pole having two or more gaps; and a low reluctance path positioned towards at least one of the gaps and riot positioned towards at least one other of the gaps for affecting a magnetic field formed at the at least one of the gaps when the source of flux is generating flux. Other disclosed embodiments include devices having coil turns with a non-uniform placement in the magnetic yoke for altering a magnetic field formed at the at least one of the gaps during writing. In further embodiments, a geometry of the magnetic pole near or at one of the gaps is different than a geometry of the magnetic pole near or at another of the gaps to help equalize fields formed at the gaps when the source of flux is generating flux.

Abstract: In one embodiment, an apparatus includes logic configured to count each data set read and/or write access that used error recovery procedure (ERP) and each data set read and/or write access that did not use ERP, and logic configured to access subsequent data sets to read from and/or write to a data storage medium, wherein any subsequent data set read and/or write access that uses ERP is accessed using an initial ERP step characterized by a first speed of the data storage medium, and wherein the first speed is selected at least partially based on the count. Other systems and methods for ERP data access are described according to more embodiments.

Abstract: A method according to one embodiment includes receiving or determining primary velocity based on at least c of reading information encoded on a magnetic tape and a parameter associated with a motor of a drive mechanism. At a switching point, a reference velocity is made about equal to the primary velocity. After the switching point, the reference velocity is determined at various intervals. Also after the switching point, a value representative of a difference between the reference velocity and the primary velocity is determined, and a speed of the motor of the drive mechanism is adjusted for minimizing the difference between the reference velocity and the primary velocity. A system according to one embodiment includes a controller for controlling a drive mechanism, the controller being configured to perform the foregoing method.

Abstract: A disk drive is disclosed comprising a head actuated over a disk, and a spindle motor operable to rotate the disk. A baseline relationship is generated between a baseline current draw of the spindle motor over a temperature range. An operating current draw of the spindle motor is measured and a corresponding operating temperature is measured. Failure of the spindle motor is predicted based on the operating current draw, the operating temperature, and the baseline relationship.

Abstract: Aspects of the present invention relate to an apparatus and corresponding method that includes transitioning from a monitor state to a stop write state when a determined position error is greater than a threshold error value for a first predetermined period, and transitioning from the monitor state to a write state when the determined position error is less than the threshold error value for a second predetermined period. Write operations are enabled and signals are provided to operate an actuator to translate a magnetic head laterally in a manner to reduce the determined position error while in the write state. Write operations are disabled and signals are provided to operate the actuator to translate the magnetic head laterally in a manner to reduce the determined position error while in the monitor state. Write operations are disabled while in the stop write state.

Abstract: A technique includes in a data storage device, sensing a plurality of data streams from a track of storage media as the media moves in a given direction using a plurality of read elements such that at least one of the read elements is redundant. The technique includes combining the data streams to generate a data stream indicating data read from the track.

Abstract: An example hard disk drive (HDD) comprising a magnetic disk and a ramp within the HDD is disclosed. A slit is disposed between a ramp body and a flange.

Abstract: A bearing device has two or more bearings each having an inner ring and an outer ring disposed on the same axis. A plurality of rolling elements are arranged in a ring-shaped region between the inner ring and the outer ring with a gap in a circumferential direction, and a plurality of rolling element pockets hold the rolling elements in a rollable manner at regular intervals from one another. A holder having a grease pocket of concave shape is placed between the rolling element pockets and stores grease serving as a lubricant of the rolling elements. The grease consists of at least a base oil comprised of aromatic carbon and a thickener, the content of the aromatic hydrocarbon being 70 weight % or more of the grease.

Abstract: A main object of the present invention is to provide a suspension substrate capable of supplying electric power easily to an assisting element fitted thereto. The object is attained by providing a suspension substrate comprising a metal supporting substrate, an insulating layer formed on the metal supporting substrate, and a wiring layer formed on the insulating layer, wherein the metal supporting substrate has, in a recording element mounting region for mounting a recording element, an opening for arranging and fitting thereinto a heat assisting element, wherein the wiring layer has a heat assisting wiring layer having a terminal section for supplying electric power directly to the heat assisting element.

Abstract: A current-carrying device that carries AC power, including: an adjacent portion in which the AC power is input from or output to an external device; and a fuse portion that is adjacent to the adjacent portion, in which a cross-sectional area of the fuse portion is smaller than that of the adjacent portion, and in which a magnetic flux density generated in the fuse portion is smaller than a magnetic flux density generated in the adjacent portion when a structure of the fuse portion is made identical with that of the adjacent portion.

Abstract: Exemplary embodiments relate to a protection circuit, a switch circuit, and a power supply device including the same. The protection circuit includes: a detection circuit that generates a detection voltage that is increased by fluctuation of a comparison voltage; and an SCR (Silicon-Controlled Rectifier Thyristor) that includes a gate where the detection voltage is inputted, an anode electrically connected to a power voltage, and a cathode connected to a predetermined reference voltage, which is turned on when the detection voltage is inputted in the gate, and is turned off when a current does not flow to the anode.

Abstract: The present disclosure provides a three dimensional integrated circuit having a plurality of dies. Each die includes a trigger line common to the other dies, the trigger line controlling the power of a power clamp in each respective die, a dedicated electrostatic discharge (ESD) line for each respective die, and an ESD detection circuit connected to the dedicated ESD line and to a first power line common to the other dies. When an input signal is received by the ESD detection circuit of one of the plural dies, the ESD detection circuit generates an output signal to the common trigger line to supply power to the power clamp in each of the plural dies to clamp ESD voltage or current to the common first power line or a second power line.

Abstract: Power gating circuits. A transistor stack is coupled between a voltage supply to provide a gated supply voltage. The supply voltage is greater than the maximum junction voltage of the individual transistors in the transistor stack. Termination circuitry for input/output (I/O) lines coupled to operate using the gated supply voltage. The termination circuitry comprising at least a resistive element coupled between an I/O interface and a termination voltage supply.

Abstract: Protection device structures and related fabrication methods are provided. An exemplary protection device includes a first bipolar junction transistor, a second bipolar junction transistor, a first zener diode, and a second zener diode. The collectors of the first bipolar junction transistors are electrically coupled. A cathode of the first zener diode is coupled to the collector of the first bipolar transistor and an anode of the first zener diode is coupled to the base of the first bipolar transistor. A cathode of the second zener diode is coupled to the collector of the second bipolar transistor and an anode of the second zener diode is coupled to the base of the second bipolar transistor. In exemplary embodiments, the base and emitter of the first bipolar transistor are coupled at a first interface and the base and emitter of the second bipolar transistor are coupled at a second interface.

Abstract: A surge or lightning spike suppressor has visual and electrical indications of its operation and can prevent voltage spikes from harming electrical and electronic components by clamping voltage spikes at a safe level and, after the spike is past, the voltage is allowed to continue to supply the equipment. The surge suppressor can be easily replaced, if the need arises, without having to isolate the incoming electrical service. A visual indicator, such as an indicator lamp, can illuminate to designate when the surge suppressor is in operation.

Abstract: The invention discloses an ESD protection circuit and a method for driving the same and a display panel. The ESD protection circuit in the present invention comprises: a first TFT with a drain connected to a data signal line, a source and a gate connected together as a node; a second TFT with a drain connected to a first power supply line, a source connected to the data signal line, and a gate connected to the node; a third TFT with a drain connected to the data signal line, a source connected to a second power supply line, and a gate connected to a third power supply line; a forth TFT with a drain connected to the node, a source and a gate connected to the second power supply line; and a bootstrap capacitor connected between the node and the data signal line.

Abstract: An electrostatic discharge (ESD) protection circuit and a display device comprising the protection circuit are provided. The protection circuit comprises a first depletion mode thin-film transistor, a second depletion mode thin-film transistor, a third depletion mode thin-film transistor, and a voltage dividing unit. This, when in normal operation, effectively prevents a signal line from releasing a large amounts of current, ensures that an internal array of the display device operates normally, and when an ESD occurs, allows for rapid discharge of an electrostatic charge accumulated on the signal line and ensures that the internal array of the display device is free from the electrostatic damage.

Abstract: Apparatuses and systems for dissipating ESD events are provided. In an embodiment, an integrated circuit (IC) device, includes a ground rail, a positive supply rail, a negative supply rail, a circuit block, a plurality of contact pads, the circuit block being configured to output an output voltage via a first contact pad of the plurality of contact pads and a range of the output voltage being is between a voltage of the positive supply rail and a voltage of the negative supply rail, and a coupling system that couples the first contact pad to a second contact pad of the plurality of contact pads so as to dissipate an electrostatic discharge (ESD) event between the first and second contact pads.

Abstract: An apparatus for protecting an electrical network of an aircraft includes a power switch, an activation means coupled with the power switch, and a detection circuit connectable to the electrical network for detecting a voltage. The detection circuit is coupled with the activation means. The activation means is adapted for opening the power switch once the detected voltage is lower than a predetermined voltage. This is particularly advantageous for high voltage direct current networks temporarily, primarily or permanently powered by a fuel cell system.

Abstract: A measuring arrangement for determining at least one measured quantity with a sensor device and a transmitter device that has a control device, a switch device and a signal output setting device. The control device is connected to the signal output setting device in the case in which the switch device is in the first state. The signal output setting device generates a fault signal as an output signal when the switch device is in the second state and/or that the signal output setting device is free of a connection to the control device. The sensor device keeps the switch device in the first state when the sensor device is supplied with energy above a definable minimum value. The control device reduces the power supply of the sensor device to a definable boundary value when it recognizes the presence of a fault state.

Abstract: The invention pertains to a DC current interruption system able to open a DC line with inductive behaviour, comprising a primary mechanical breaker (S0), a secondary mechanical breaker (S1) and an electronic overvoltage protection circuit (B1, B2) comprising at least one transistor. The DC current interruption system of the invention furthermore comprises an electronic opening system (72, 76) comprising a passive circuit able to auto-bias the electronic protection circuit (B1, B2) upon the opening of said primary mechanical breaker (S0), so as to trigger a switching of said at least one transistor (M1, M2, IG1) making it possible to limit the voltage and the current in the DC line, total interruption of said DC line being obtained by subsequent opening of said secondary mechanical breaker (S1).

Abstract: An adjustment device for a hydrostatic expeller unit includes an electrically actuable adjustment unit and a replaceable ballast unit. The ballast unit has at least one measuring transducer which converts a manipulated variable for the adjustment device into an electrical control signal for the adjustment unit and transmits it to the electrically actuable adjustment unit.

Abstract: The invention relates to a method of controlling switchgear in order to estimate the remanent flux value of a power transformer during disconnection from a high-voltage electrical network using voltage measurements delivered by a capacitive voltage transformer by correcting the transfer function of the capacitive voltage transformer, and in which said value is delivered to a controller that determines the optimum switchgear switching instant.

Abstract: The present invention provides a forklift and a warehouse system. The forklift includes a hoisting apparatus, a fork, and a static electricity eliminating device. The hoisting apparatus is used to maneuver the fork and the static electricity eliminating device which supplies pressurized ionized airflow toward an area located above the fork. By way of forgoing, the accumulated static electricity can he electively drained and grounded. Furthermore, the accumulated static electricity within the warehouse system can be effectively controlled and eliminated.

Abstract: An ESD protection device providing highly reliable insulation and having good discharge characteristics is provided. An ESD protection device has opposing first and second discharge electrodes, an auxiliary discharge electrode (18) astride between the first and second discharge electrodes, and an insulating substrate (12) supporting the first and second discharge electrodes and the auxiliary discharge electrode (18). The auxiliary discharge electrode (18) is composed of an assembly of core-shell metal particles (24) that have a core portion (22) mainly composed of a first metal and a shell portion (23) mainly composed of a metal oxide that contains a second metal. The metal particles (24) are substantially completely covered with the shell portion (23) mainly composed of the metal oxide, and this improves the insulation reliability of the device against discharge. Preferably, the metal particles (24) have a bond with each other with a vitreous substance (27) therebetween.

Abstract: A capacitor having improved tolerance to humidity. The capacitor includes a packaging material and/or a dielectric material comprising a film having a water vapor transmission rate significantly lower than the dielectric films and/or packaging films used in conventional capacitors.

Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including dielectric layers having an average thickness of 0.6 ?m or less; and first and second internal electrodes, wherein the ceramic body includes a capacitance formation part and a non-capacitance formation part provided on at least one surface of upper and lower surfaces of the capacitance formation part, and when the capacitance formation part is divided into three regions in a thickness direction of the ceramic body, in a central region among the three regions, dielectric grains have an average particle size of 150 nm or less, and the number of dielectric grains per layer is 4 or more, and in upper and lower regions, dielectric grains have an average particle size of 200 nm or less, respectively, and the number of dielectric grains per layer is 3 or more.

Abstract: A process for fabricating a capacitor is described. A template layer including a stack of at least one first layer and at least one second layer is formed over a substrate, wherein the at least one first layer and the at least one second layer have different etching selectivities and are arranged alternately. An opening is formed through the template layer. A wet etching process is performed to recess the at least one first layer relative to the at least one second layer, at the sidewall of the opening. A bottom electrode of the capacitor is formed at the bottom of the opening and on the sidewall of the opening, and then the template layer is removed.

Abstract: In a laminated ceramic electronic component, a side surface outer electrode circles around a ceramic element body, a first electrode portion includes a first side surface electrode portion on first and second side surfaces of the ceramic element body and a first wrap-around electrode portion extending from the first side surface electrode portion and wraps around portions of third and fourth side surfaces, and a second electrode portion includes a second side surface electrode portion on the third and fourth side surfaces and a second wrap-around electrode portion extending from the second side surface electrode portion and wrap around portions of the first and second side surfaces. External appearance configurations in which the first and second wrap-around electrode portions are recognizable from outside are provided to the first and second wrap-around electrode portions.

Abstract: This capacitor has: a single capacitor block provided with a plurality of capacitor elements electrically connected in parallel, each of said capacitor elements having a terminal part on each end; a first electrode plate that electrically connects the first terminal parts of the capacitor elements; a second electrode plate that electrically connects the second terminal parts of the capacitor elements and continues on to the side where the first terminal parts are; and at least one bypass electrode plate that electrically bypasses the second electrode plate.

Abstract: The following invention relates to high energy capacitors with increased thermal resilience over conventional bulk ceramic capacitors, particularly capacitors that may be formed into a three dimensional shape to fit inside an existing device. The capacitor is provided with first and second electrodes which have a plurality of interlocating protrusions, which increase the relative surface area of the electrodes. The first and second electrodes and interlocating protrusions are provided with through holes. The devices are filled with a flowable dielectric material.

Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including dielectric layers; internal electrodes disposed to face each other, having the dielectric layers therebetween; and external electrodes formed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein the internal electrodes include a first ceramic powder formed of barium titanate (BaTiO3) and having a particle diameter corresponding to 70% to 100% of a thickness of the respective internal electrodes. According to the present invention, disconnection generated due to differences in contraction and extension between the internal electrodes and the dielectric layers may be improved, whereby the multilayered ceramic electronic component having excellent capacitance and reliability may be implemented.

Abstract: There are provided a multilayer ceramic capacitor and a manufacturing method thereof, the multilayer ceramic capacitor including: a ceramic body; first and second internal electrodes; first and second external electrodes; and a first insulating layer