Abstract: A rearview device having a rearview display. A rearview device attachment assembly is connected with the rearview display and includes a mount and an attachment clip coupled to the mount. The attachment clip includes a base and first and second opposing flex members extending from the base, each including an arcuate flex portion extending from the base. A connecting portion extends from the arcuate flex portion at an angle toward the base. An engagement portion extends away from the connecting portion at an angle away from the base. First and second protrusions project from the mount, each extending through first and second slots, respectively, in the base. The first and second protrusions are in abutting contact with the engagement portion of the first and second opposing flex members, respectively, thereby forcing the first and second opposing flex members at least partially away from the base.

Abstract: Disclosed are a color filter substrate and the manufacturing method thereof. The color filter substrate comprises: a substrate (1); a black matrix (3) and a color pixel layer (4, 5, 6) formed on the substrate (1); and a transparent thermally conductive layer (2) disposed between the substrate (1) and the black matrix (3) and between the substrate (1) and the color pixel layer (4, 5, 6).

Abstract: There is disclosed a system and associated method for mounting an optical component in an optical arrangement. An optical component (1) is provided having a circular edge region (5). A mount (9) having a circular wall is also provided, the circular wall being configured for radially-spaced cooperation with the circular edge region of the optical component. The system is configured such that one of said circular edge region (5) and said circular wall (17) has a plurality of spaced-apart protrusions (23) provided around it. The other of the circular edge region (5) and the circular wall (17) has a plurality of spaced-apart recesses provided around it. The protrusions (23) and the recesses (7) are configured such that each protrusion (23) may be aligned with a respective recess (7) and engaged within said recess (7) via relative rotation between the optical component (1) and the mount (9).

Abstract: A method according to one embodiment includes measuring a current position error signal; calculating a standard deviation or a variance using the current position error signal sample; calculating a kurtosis value, using the current position error signal sample or derivative thereof; adjusting a threshold value using the kurtosis value; comparing the standard deviation or variance to the threshold value; enabling writing when the standard deviation or variance does not exceed the threshold value.

Abstract: Records and filemarks read from data segments are aggregated into at least one single data segment. The records and the filemarks are reorganized and restructured in the single data segment such that buffer utilization is improved.

Abstract: A data storage system according to one embodiment includes a head; a drive mechanism for passing a medium over the head; and a controller electrically coupled to the head. The system calculates a kurtosis value, using the current position error signal sample or derivative thereof, and adjusts a threshold value using the kurtosis value. The standard deviation or variance is compared to the threshold value, and writing is enabled when the standard deviation or variance does not exceed the threshold value.

Abstract: The present inventions are related to systems and methods for information data processing included selective decoder message determination.

Abstract: The present invention is related to systems and methods for adaptive parameter modification in a data processing system.

Abstract: Magnetoresistive (MR) bias is dynamically controlled in a tape drive using a processor device. Upon determining head amplitude is below a threshold value, the MR bias is adjusted for increasing the head amplitude and extending the useful life span of the tape drive.

Abstract: Disk drive pre-amplifier output stage circuitry is presented including a high pass input filter for removing DC offsets from differential read data signals and providing an input to AB drivers of the output stage, in which an offset test circuit selectively drives the high pass filter output nodes according to the offset at the filter input to facilitate measurement of the preceding circuit offset at the driver output terminals, and a common mode regulator circuit regulates common mode voltages at the first and second driver output nodes to a predetermined value in read and write modes.

Abstract: A method according to one embodiment includes setting a default friction value to a predetermined value, determining whether a primary velocity is valid, determining a velocity error, determining whether the velocity error is in a predetermined range, accumulating the velocity error when the velocity error is determined to be in the predetermined range, repeating, until a time period has elapsed, each of: the determining the velocity error, the determining whether the velocity error is in the predetermined range, and the accumulating the velocity error when the velocity error is determined to be in the predetermined range, and calculating a new friction value based on the accumulated velocity error.

Abstract: A control circuit of a voice coil motor is configured to move at least one read/write head of an hard disk into a parking position. The control circuit compares a received supply signal with a reference signal having a minimum value and a maximum value and a frequency. When the value of the supply signal is between the minimum value and the maximum value of the reference signal, the controller causes alternation of a working condition of the voice coil motor, when the value of said supply signal is higher than the value of the reference signal, and of a stop condition of the voice coil motor, when the value of said supply signal is lower than the value of the reference signal, with a frequency equal to the frequency of said reference signal.

Abstract: Tape media life is increased by dynamically controlling a turn around point (TAP) on the tape media for either an end of a tape wrap or a directional change from a first longitudinal position tape section to a second longitudinal position tape section for reducing damage to the tape media caused by debris by monitoring the TAP for all tape media motion and adjusting tape deceleration for maintaining the TAP to be located at the second longitudinal position tape section.

Abstract: In one embodiment, a system includes a controller configured to: determine a reference velocity at various intervals, receive or determine a secondary velocity based at least in part on a parameter associated with a drive mechanism motor, determine a value representative of a difference between the reference velocity and secondary velocity, adjust a speed of the motor of the drive mechanism for minimizing the difference between the reference velocity and secondary velocity, receive/determine a primary velocity based on reading information encoded on a magnetic tape, at a switching point, make the reference velocity about equal to the primary velocity, after the switching point, determine the reference velocity at various intervals, after the switching point, determine a value representative of a difference between the reference velocity and primary velocity, and adjust the speed of the motor of the drive mechanism for minimizing the difference between the reference velocity and primary velocity.

Abstract: An apparatus and generally associated method may be directed to a magnetic reader capable of concurrently or independently data access and environmental measurements. Various embodiments construct such a magnetic reader with first and second data transducing elements that are each adapted to selectively read data and measure clearance from an adjacent data storage media.

Abstract: A magnetic head according to one embodiment includes a module, the module having first and second transducers of different transducer types positioned towards a media facing side of the module, wherein the different transducer types are selected from a group consisting of data reader transducers, servo reader transducers, write transducers, piggyback read-write transducers and merged read-write transducers; a first protection structure for protecting the first transducer; and wherein the second transducer has either no protection or is protected by a second protection structure that is different than the first protection structure.

Abstract: A magnetic head according to one embodiment includes a module, the module having both read and write transducers positioned towards a media facing side of the module, wherein the read and write transducers are selected from a group consisting of piggyback read-write transducers, merged read-write transducers, interleaved read and write transducers, and an array of write transducers flanked by servo read transducers; wherein the write transducers include write poles having media facing sides with negative, zero or near-zero recession from a plane extending along the media facing side of a substrate of the module; wherein the read transducers each have at least one shield, wherein a media facing side of the at least one shield is more recessed from the plane than the write poles.

Abstract: In one embodiment, a magnetic head includes a sensor stack of thin films including a free layer; a hard bias structure comprising a first foundation layer, a second foundation layer formed on the first foundation layer and a hard bias layer formed above the second foundation layer, wherein portions of the first and second foundation layers positioned along a side wall of the sensor stack have a discrete island structure. Additional embodiments are also disclosed.

Abstract: In a Spin Torque Oscillator (STO) comprising an underlayer, a first magnetic layer disposed on the underlayer, a non-magnetic intermediate layer disposed on the first magnetic layer, and a second magnetic layer disposed on the non-magnetic intermediate layer, the non-magnetic intermediate layer is a non-magnetic alloy containing 50 at % or more of at least one kind of element selected from a first group consisting of Cu, Ag, and Au, and further at least 0.1 at % or more in total of at least one kind of element selected from a second group consisting of Cu, Ag, Au, Cr, Ti, Zr, Hf, V, Nb, Ta, Ru, Os, Pd, Pt, Rh, and Ir that does not overlap with the element from the first group.

Abstract: A maximum velocity is dynamically determined during a tape drive operation to obtain a statistical standard deviation of a position error signal (PES) that yields an amount of stopwrite (SW) operations that avoids backhitching. The tape velocity is adjusted to the maximum velocity.

Abstract: A method according to one embodiment includes selecting an initial radius value (Rfull) for an outgoing reel, where Rfull is the initial radius of a tape on the outgoing reel; unwinding the tape from the outgoing reel; computing a radius value of the tape on the outgoing reel during the unwinding; adjusting the computed radius with an offset calculated from a direct measurement of velocity from the tape position; and outputting the adjusted computed radius. A method according to another embodiment includes selecting an initial radius value (R0) for an incoming reel, where R0 is the initial radius of the incoming reel; winding the tape onto the incoming reel; computing a radius value of the tape on the incoming reel during the winding; adjusting the computed radius with an offset calculated from a direct measurement of velocity from the tape position; and outputting the adjusted computed radius.

Abstract: The disclosure is related to an apparatus and methods of suppressing seek repeatable runout. In a particular embodiment, a servo loop is disclosed. The servo loop includes a seek signal generation component that generates a seek trajectory acceleration signal. The servo loop also includes a STRRO suppression component that is coupled to the seek signal generation component. The STRRO suppression component injects STRRO suppression signals into the seek trajectory acceleration signal and outputs an STRRO suppressed seek trajectory acceleration signal.

Abstract: An apparatus for use with a hard disk drive, comprising: a selectable notch filter with a selectable notch frequency; a shock sensor of the hard disk drive, coupled to the selectable notch filter, the shock sensor having at least one resonance frequency; a flip flop coupled to an output of the notch filter and an output of the shock sensor; a calibration logic coupled to an output of the flip flop, wherein an output of the calibration logic is coupled to a selection input of the selectable notch filter.

Abstract: A motor includes a stator and a rotor including a disk portion, a cylindrical portion, and a stopper. The stopper includes a stopper protruding portion and is fixed to an inner surface of the cylindrical portion. The cylindrical portion includes a cylindrical portion protruding portion that opposes an outer surface of the stopper. Adhesive is included between the cylindrical portion and the stopper. A gap between an upper end portion of the outer surface of the stopper and an inner peripheral surface of the cylindrical portion protruding portion defines a first tapered gap. A gap between a lower end portion of the outer surface of the stopper and an inner peripheral surface of the cylindrical portion defines a second tapered gap. The adhesive is included in the first tapered gap and the second tapered gap. The stator includes an annular or substantially annular surface below the second tapered gap.

Abstract: In certain embodiments, a hard disk drive includes at least one disk secured to a motor hub with a disk clamp. The disk clamp is positioned radially off-center with respect to the hub to balance a static drive imbalance. In certain embodiments, a method includes radially offsetting a disk clamp to offset a static drive balance.

Abstract: A disk drive device includes a hub, a base plate, and a bearing unit. The bearing unit includes a shaft housing member, joined to the hub, having a through-hole in the center, a shaft having a smaller diameter section and a larger diameter section, a radial dynamic pressure grooves, and a lubricant agent. The opening shape of bearing hole of the base plate is so formed as to be larger than the outer shape of the larger diameter section. In the bearing unit, the larger diameter section of the bearing unit is fixed by a hardening resin present between the bearing unit and the bearing hole.

Abstract: Provided is a magnetic recording medium which maintains high vertical orientation of a vertical magnetic layer, and which is capable of realizing high recording densification. In the magnetic recording medium, at least a soft magnetic underlying layer (30), seed layers (31, 32), an orientation control layer (33), and a vertical magnetic layer are laminated in this order on the non-magnetic substrate. The soft magnetic underlying layer (30) has an amorphous or microcrystalline structure. The seed layers (31, 32) include a first seed layer (31) formed from a metal oxide or a metal nitride, and a second seed layer (32) which is formed on the first seed layer and is formed from a metal formed with an island-shape or a net shape. In the orientation control layer (33) and the vertical magnetic layer, respective crystal grains constitute columnar crystals that are continuous in a thickness direction based on the second seed layer (32).

Abstract: A write element including a pole tip shield is disclosed. In embodiments disclosed, for example, the pole tip shield includes side shield portions fabricated of a graded magnetic moment material to form graded side shield portions having a magnetic moment that decreases in the down-track direction along a length of the side shield portions. In another embodiment, the pole tip shield includes side shield portions having a shortened length extending along a partial length of side edges of the pole tip. In illustrated embodiments, the side shield portions are formed of a contoured body having an indented portion forward of the leading edge of the pole tip. The indented portion has a rounded indented surface contour forming a rounded profile for a gap region between a leading edge portion of the pole tip shield forward of the leading edge of the pole tip.

Abstract: To uniformly determine the positional relationship between a main magnetic pole and a spin torque oscillator while independently optimizing the main magnetic pole and the spin torque oscillator. On a trailing end surface of a main magnetic pole, a step is provided at the boundary between the main magnetic pole and a gap material disposed on both sides thereof, and a spin torque oscillator is formed on the step. The spin torque oscillator is effectively separated into two regions by utilizing the step. Further, a part of the spin torque oscillator is removed so as to disable the unwanted region, thereby realizing a self-alignment type high frequency magnetic field assisted magnetic recording head structure such that the positions of the end portions of the main magnetic pole and the spin torque oscillator are aligned.

Abstract: A method of manufacturing a base plate, after deburring and heat-treating a half-finished base plate, cuts off a scrap section at the ends of the scrap section from a half-finished actuator attaching area so that cutting surfaces left in a finished actuator attaching area are positioned onto the inner perimeter of the finished actuator attaching area and are oriented to at least partly face an actuator attaching position inside the finished actuator attaching area.

Abstract: Various embodiments concern a DSA suspension of a disk drive. The DSA suspension comprises a support configured to attach to the disk drive, the support comprising a proximal portion, a distal portion, and a linkage portion therebetween. The DSA head suspension system further comprises at least one motor mounted on the support, each motor positioned between the proximal portion and the distal portion. The DSA suspension further comprises a damper attached to some or all of the proximal portion, the motor(s), the distal portion, and the linkage portion. The damper can be a single layer or multilayered. The damper can comprise viscoelastic material. The damper can be adhesive. The damper may only be attached to the support and the motors and not to other components of the DSA suspension.

Abstract: Disclosed herein are various embodiments of devices and related methods for detecting an electrical arc event using a motor management relay and for suppressing the electrical arc event. The motor management relay may incorporate an optical arc-flash sensor configured to detect an optical event. Control logic may analyze the optical event and determine whether the optical event corresponds to an electrical arc event. When an electrical arc event is detected an instruction may be issued via a control port in communication with the control logic to implement a protective action. According to various embodiments, a plurality of sensors for monitoring electrical characteristics of a motor may also be in communication with the control logic. Input from the sensors may be analyzed in order to determine whether the optical event corresponds to an electrical arc event.

Abstract: The present invention provides a system and method for individual or plural detection of the presence or absence of at least one installed solar panels whether or not the individual solar panel or the plurality of solar panel(s) operates to produce power during the detection process and whether or not the detection is conducted during the day or night, wherein the presence or absence of an individual solar panel or of a plurality of solar panels producing power during detecting comprises detecting presence or absence of one or more solar panels by an associated system that measures power output, and wherein during the detecting process insufficient voltage is produced for the associated system to measure power output. In addition, the present invention provides a means to detect a fire or arcing that may damage a power system, and can provide notification of the need for servicing the power system.

Abstract: A power-rail ESD clamp circuit with a silicon controlled rectifier and a control module is provided. The silicon controlled rectifier is connected to a high voltage level and a low voltage level for bearing a current flow. The control module is connected to the silicon controlled rectifier in parallel, and includes a PMOS, a NMOS, at least one output diode, a resistor and a conducting string. The silicon controlled rectifier is a P+ or N+ triggered silicon controlled rectifier. By employing the novel power-rail ESD clamp circuit, it is extraordinarily advantageous of reducing both a standby leakage current and layout area while implementation.

Abstract: An electrostatic discharge (ESD) monitoring system includes a first switch device, a first outlet communicatively connected to the first switch device, and a logic portion communicatively connected to the first switch device, the logic portion operative to receive a signal from a ground strap monitor portion indicative of a status of the ESD monitoring system and change a state of the first switch device responsive to receiving the signal.

Abstract: A multiple device voltage electrostatic discharge (ESD) clamp includes a trigger circuit, first and second inverters, and an ESD discharge path. The trigger circuit includes a resistor having a first terminal electrically connected to a first voltage supply node, and a capacitor having a first terminal electrically connected to a second voltage supply node. The first inverter has an input terminal electrically connected to second terminals of the resistor and the capacitor. The second inverter has a power terminal electrically connected to an output terminal of the first inverter. The ESD discharge path has a first end electrically connected to the first voltage supply node, and a second end electrically connected to a third voltage supply node, and includes a first transistor controlled by the first inverter, and a second transistor controlled by the second inverter.

Abstract: Systems, methods, and apparatus for overvoltage protection in a wireless power receiver are disclosed. One aspect of the disclosure is a wireless power receiver apparatus. The apparatus includes an antenna circuit configured to wirelessly receive power, from a transmitter, at a level sufficient to power or charge a load, wherein the antenna circuit is electrically connected to an overvoltage protection circuit that is electrically connected between the antenna circuit and the load. The apparatus also includes a matching circuit electrically connected to the antenna circuit and a switching element electrically connected to the matching circuit. At least one of the matching circuit or the switching element is configured to control an amount of the received power flowing into the overvoltage protection circuit.

Abstract: Exemplary embodiments are directed to a method and arrangement for detecting an overvoltage of a semiconductor switch. The arrangement including a first semiconductor switch and a driver unit controlling the switch. An overvoltage is detected over the semiconductor switch, and a voltage is adjusted at a supply voltage input of the driver unit on the basis of the overvoltage.

Abstract: A leak current absorption circuit for absorbing a leak current from an output transistor includes a switch connected to a grounding node on one end, a constant voltage circuit connected between the other end of the switch and an output node, a switch-operating circuit connected between the output node and the grounding node to operate the switch based on a voltage of the output node. When the voltage of the output node becomes equal to a predetermined threshold voltage or more, the switch-operating circuit turns on the switch to clamp the voltage of the output node by allowing at least a portion of the leak current from the output transistor flow to the grounding node.

Abstract: A differential protection system including a plurality of inputs power cables for transfer of power from electric power generators, such as wind power generators, to an output cable. Each input and output power cable is provided with a respective circuit breaker. The protection system includes a plurality of protection equipment unit each being adapted to be arranged at a respective one of the input cables or at the output cable, each protection equipment unit including a measuring unit for measuring the current and voltage of the cable, and including a control unit being operatively connectable to the circuit breaker of the respective power cable for selectively tripping the circuit breaker when the protection system discovers a differential fault. The protection system includes a charging current compensator for compensating the differential protection for charging currents of the cables of the transfer system.

Abstract: A battery protection circuit and a battery pack are disclosed. The battery pack includes the battery protection circuit, which has a switching unit and a control circuit, which controls the switching unit with a control signal. The battery protection circuit also has an external terminal, which is configurable to electrically connect the control signal to a circuit external to the battery protection circuit.

Abstract: A surface-mountable over-current protection device comprises a PTC material layer, first and second conductive layers, first and second electrodes, first and second electrically conductive connecting members. The PTC material layer has a resistivity less than 0.18 ?-cm. The conductive layers are in contact with opposite surfaces of the PTC material layer. The first electrode comprises a pair of first metal foils and is insulated from the second conductive layer. The second electrode comprises a pair of second metal foils and is insulated from the first conductive layer. The first electrically conductive connecting member connects to the first metal foils and conductive layer. The second electrically conductive connecting member connects to the second metal foils and conductive layer. The first electrically conductive connecting member comprises 40%-100% by area of the first lateral surface, and the second electrically conductive connecting member comprises 40%-100% by area of the second lateral surface.

Abstract: A system for supplying direct current and DC voltage is provided. The system comprise a first supply branch having a first DC voltage source and a power field-effect transistor of a current limiter which are connected in series, and a second supply branch having a second DC voltage source. The power transistor has a current/voltage characteristic with a first inverse polarization area without current limitation, and a second conduction area with current limitation based on a current threshold. The power field-effect transistor is connected to the first voltage source with an inverse polarization when the voltage source of the first branch is operating normally.

Abstract: A protective device protects an LC filter in a vehicle. The vehicle includes a first vehicle-mounted electric device and a second vehicle-mounted electric device. The first vehicle-mounted electric device includes a first power converter. The second vehicle-mounted electric device includes a second power converter and shares a power supply with the first vehicle-mounted electric device. The LC filter is arranged between the first power converter and the power supply. The LC filter is configured such that the resonance frequency band of the LC filter can be changed. The resonance frequency band of the LC filter is changed based on a ripple amount in a current flowing in the LC filter.

Abstract: A fail-safe motorized switching system includes: (a) a motorized loadbreak switch system, the motorized loadbreak switch system adapted for opening and closing contacts between a high voltage power source and a load; (b) an energy storage device connected to the motorized loadbreak switch system; and (c) a controller connected to the energy storage device, the controller programmed with control logic to ensure that the motorized loadbreak switch system opens the contacts between the high voltage power source and the load once the power source is removed.

Abstract: A surge arrester includes a cavity formed by at least one insulating body, and at least two electrodes, which extend into the cavity. The electrodes are oriented toward one another with their free ends and have an electrode spacing between one another. The electrodes include several different metallic materials in regions of the free ends.

Abstract: An apparatus for exciting a rotating field pattern in a cavity containing an object, the apparatus comprising a radiating element configured to excite an electromagnetic (EM) field pattern in the cavity, wherein the EM field pattern is excited with EM energy at a frequency in the radio-frequency (RF) range, a field rotating element configured to rotate the EM field pattern, wherein the field rotating element has an anisotropy, the anisotropy selected from magnetic anisotropy, electric anisotropy, and a combination of magnetic and electric anisotropies, and a controller configured to determine the EM field pattern according to value indicative of energy absorbable by the object and to control the anisotropy of the field rotating element in order to rotate the EM field pattern.

Abstract: This disclosure provides a protection device for a display having a panel. The protection device includes a voltage generator coupled to the panel, configured for generating at least one common voltage; and a discharge unit coupled to the voltage generator, configured for discharging charges on the voltage generator when the display is turned off.

Abstract: An IO port usable with an electronic apparatus to allow an external device to be connected thereto includes a plurality of signal pins disposed to exchange signals between the external device and the electronic apparatus, and at least one discharge pin disposed to be electrically connected to the external device ahead of the plurality of signal pins when the external device is connected to the IO port, and to discharge at least a portion of static electricity accumulated in the external device.

Abstract: A unitary projectile for an immobilization weapon and tethered by two electrical wires, has a plurality of electrical contacts including several contacts dispersed in a spaced pattern around the projectile after target impact. The pattern of several contacts substantially increases the probability that if the projectile hits the target, an immobilization circuit through the target will be completed. The deployment of the contacts occurs as a result of the sudden deceleration of the projectile when it impacts the target. This simplifies the deployment as well as the projectile configuration and likely reduces the risk of misactivation or an ill-timed activation of the second contacts. In a preferred version of the disclosed embodiments, there are preferably four contacts dispersed in a symmetrical arrangement around the projectile.