Abstract: This disclosure generally relates to an emergency equipment storage receptacle and alert system. When an active shooter or potential life or death situation should arise, an approved/authorized individual can access safely tools, weapons, first aid supplies, and safety equipment through a single or multi-step authentication process that may include using biometric data, while also contacting the local authorities in the area to alert that there is an active shooter in the facility.

Abstract: The present disclosure relates to electronic devices that include a composition that actively generates a gaseous oxidizing agent component within the interior gas space of the electronic device. The present disclosure also relates to electronic devices that include a container that includes a gaseous oxidizing agent component in a manner that the gaseous oxidizing component can transfer from the container to the interior gas space of the electronic device. The present disclosure also involves related methods.

Abstract: A chest patch component and a use method thereof are disclosed according to the present application, and belonging to the technical field of chest patches, including: a chest patch body, a cross-sectional area of the chest patch body is arranged in an arc shape; a detachable massage module arranged at one side of the chest patch body, where the detachable massage module is mounted on a convex part of the chest patch body; a mounting component arranged between the chest patch body and the detachable massage module, the chest patch component disclosed by the present application is mainly composed of a chest patch body, a detachable massage module, a mounting groove, an antibacterial structure, a covering cushion layer, a close-fitting cloth cover and other main structures.

Abstract: A near-field communication (NFC) entry device provides remote keyless entry (RKE) into an enclosure having an RKE control unit, a door, and a door actuator. The NFC entry device includes a housing and a printed circuit board assembly (PCBA). The housing mounts to the enclosure. The PCBA is enclosed within a cavity of the housing, and includes first and second surfaces, an RF antenna and an inductor coil connected to the first surface, and an NFC communication chipset connected to the second surface. The NFC entry device passively harvests energy from a battery powered mobile device via the inductor coil and stores the energy in the capacitor. The passively harvested energy is used to communicate a control signal to the RKE control unit, via the RF antenna, which activates the door actuator. A standby battery may be used when the capacitor is insufficiently charged.

Abstract: A disk spindle assembly for a hard disk drive includes a hub and a hub flange extending radially from the hub and configured to apply a clamping force to secure disk media to the hub. The hub flange includes multiple protrusions extending from a surface of a top side and configured to contact a disk medium at multiple contact positions in response to application of a clamping load. The protrusions may be annular protrusions circumscribing the hub, where the height of an inner protrusion may be less than the height of an outer protrusion to inhibit coning of the bottom disk medium, and the protrusions may be positioned so that an equivalent contact radius corresponding to contact radii of the inner and outer annular protrusions is at a position halfway between the inner and outer diameters of the disk spacers to inhibit coning of the middle disk media.

Abstract: In general, according to one embodiment, a disk device includes a magnetic disk, a magnetic head, a suspension, a ramp, a housing, and a screw. The suspension holds the magnetic head and moves to an unload position. The ramp includes an attachment tab with a through hole. The ramp holds the suspension at the unload position. The housing has a support surface with a screw hole to support the attachment tab. The screw includes a screw head, a screw shaft, and a first contact surface. The screw shaft extends from the screw head in a first direction and is fitted into the screw hole through the through hole. The first contact surface is located on the screw head, tapers in the first direction, and contacts the attachment tab. The screw holds the attachment tab in-between the support surface and the first contact surface.

Abstract: According to one embodiment, a disk device includes magnetic disks, a first head gimbal assembly, a first damper, and a carriage. The first head gimbal assembly includes a first magnetic head, a first load beam, and a first base plate. The first load beam supports the first magnetic head. The first base plate is connected to the first load beam. The first damper includes a first viscoelastic material, and a first member attached to the first viscoelastic material. The carriage rotates about a rotation axis to move the first magnetic head along a recording surface of a first magnetic disk. The carriage includes an arm, and a first flat surface of the arm. The first flat surface faces the recording surface of the first magnetic disk. The first base plate and the first viscoelastic material are fixed to the first flat surface.

Abstract: Examples of a suspension are provided. The suspension includes a mount plate attached to a load beam at a suspension assembly attachment point. The suspension may include a first actuator and a second actuator located at the mount plate. The first actuator is shaped as a non-right angle parallelogram spanning across a first opening in the mount plate. The second actuator is shaped as a non-right angle parallelogram spanning across a second opening in the mount plate. The first and second actuators are configured to deflect the distal end of the mount plate, which causes the load beam to rotate with a rotation center located along the load beam.

Abstract: A suspension is described. The suspension includes a base plate and a load beam coupled to the base plate. The base plate includes a distal elongated element and a proximal elongated element. The distal elongated element includes at least one non-straight baseplate edge and the proximal elongated element includes at least one non-straight baseplate edge. The load beam includes a first mounting shelf and a second mounting shelf. The load beam is coupled to the base plate such that the first mounting shelf is exposed adjacent to the distal elongated element, and the second mounting shelf is exposed adjacent to the proximal elongated element. The first and second mounting shelves are configured to receive an actuator, such that an edge of the actuator and the at least one non-straight baseplate edge forms a gap.

Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.

Abstract: A multi-actuator hard disk drive includes a lower actuator with a corresponding voice coil motor assembly (VCMA) including a magnet coupled with a first magnet housing plate, a coaxial upper actuator with a corresponding VCMA including a magnet coupled with a second magnet housing plate, and a central support plate mechanically fastened to an enclosure base, at one or more locations, and positioned between the first magnet housing plate of the first VCMA and the second magnet housing plate of the second VCMA. Thereby, the pivot and VCM tilt and the coil torsion modes of the direct plant transfer function are minimized and the peak-to-peak gain in the coil torsion mode of the coupled plant transfer function is reduced.

Abstract: A presence alert system (24) includes a sniffer (36), controller-circuitry (38), radio frequency (RF) background data (40), and a software program (42). The sniffer is configured to sample and measure a characteristic of ambient RF signals (33) over time. The controller-circuitry includes one or more processors and one or more storage mediums. The RF background data is stored in at least one of the one or more storage mediums, and is indicative of no moving presence. The software program is stored in at least one of the one or more storage mediums, and is executed by at least one of the one or more processors. The software program is configured to evaluate the measured characteristic of the ambient RF signals, compare the measured characteristic to the RF background data, and thereby determine motion of a presence (34).

Abstract: A disk clamp for a hard disk drive, configured to clamp disk media to a spindle, includes multiple protrusions extending from a surface of a bottom side and configured to contact a disk medium at multiple contact positions in response to application of a clamping load. The protrusions may be annular protrusions circumscribing a disk clamp hub, where the height of an inner protrusion may be less than the height of an outer protrusion to inhibit coning of the top disk medium, and the protrusions may be positioned so that an equivalent contact radius corresponding to contact radii of the inner and outer annular protrusions is at a position halfway between the inner and outer diameters of the disk spacers to inhibit coning of the middle disk media.

Abstract: Techniques for managing access to a physical area are provided. In one technique, first data is extracted from a digital file. Based on identification data within the first data, a database is searched. A data item in the database is identified that matches the identification data. The first data is associated with the data item. After associating the first data with the data item, code data is generated. Encoded data that encodes the code data is then generated. The encoded data is sent over a computer network to a mobile device, or an account, of a user that is associated with the data item.

Abstract: A method of forming a composite material for use as an isolator or circulator in a radiofrequency device comprises providing a low temperature fireable outer material, the low fireable outer material having a garnet or scheelite structure, inserting a high dielectric constant inner material having a dielectric constant above 30 within an aperture in the low temperature fireable outer material, and co-firing the lower temperature fireable outer material and the high dielectric constant inner material together at temperature between 650-900° C. to shrink the low temperature fireable outer material around an outer surface of the high dielectric constant inner material to form an integrated magnetic/dielectric assembly without the use of adhesive or glue.

Abstract: According to one embodiment, a disk device includes a plurality of magnetic disks, a casing, a column, a rotary component, and a screw. The casing includes a base having an inner space in which the plurality of magnetic disks is accommodated, and a first cover attached to the base to close the space. The column with a screw hole, is located in the space and is attached to the base by being fitted into a recess formed in the base. The rotary component is located in the space, surrounds the column, and is configured to rotate about the column. The screw is fitted into the screw hole through the first cover.

Abstract: Systems and methods herein provide for cloud-controlled access to an access point. A database maintains a plurality of user datasets and accounts for a plurality of access point management systems. Each account of the access point management systems includes identifies one or more access points associated with a property. Each user dataset includes user identifying information and user access information to one or more access points. A processor processes a request for access to the first access point. A rules engine accesses the database to identify a first user based on the request and a user equipment (UE) of the first user via the user identifying information, identifies a first of the access points based on a beacon transmitted by the first access point, retrieves the user access information, identifies access permission of the first user to the first access point, and grants access to the first user.

Abstract: A method of enrolling a user at a biometric lockset is described. The method includes receiving user access information from a mobile device of an administrative user of the biometric lockset. The user access information indicates to the biometric lockset to enter an enrollment mode in which a user identity is associated with fingerprint data in a user entry within a memory of the biometric lockset. A plurality of different light codes are displayed on the lockset, each one of the plurality of light codes representative of a different state of fingerprint data capture. A message is transmitted to the mobile device, and corresponds to the light code displayed at the lockset. The completed fingerprint data is stored in association with the user identity of the user in the user entry.

Abstract: Method and system are provided for uncertainty quantification analysis with efficient two dimensional (2D) random fields. The method may be used in a modeling system. The method may include providing a covariance matrix of a set of parameters with a covariance function describing an occurring real world phenomenon; and generating a random field based on the covariance matrix including a controlled rank reduction to produce a reduced-rank random field dataset provided as a data structure with data compression. Generating the random field applies rank reduction of a block circulant with circulant blocks (BCCB) representation of a covariance matrix obtained from the covariance matrix using existing symmetry of eigenvalues to eliminate redundant computations. The method may include outputting a reduced-rank random field dataset for use in a user-provided model of the modeling system for uncertainty quantification analysis and simulation of the real world phenomenon.

Abstract: A gimbal having a base portion and a tongue joined together by a neck portion. The base portion includes a first proximal edge facing away from the tongue. A circuit is mounted on the gimbal and includes a portion mounted to the base portion having a circuit extension region that extends beyond the first proximal edge. The circuit extension region includes a second proximal edge facing away from the tongue. A slider may be mounted on the tongue and electrically connected to the circuit. First and second PZT actuators are mounted to the head gimbal assembly and electrically connected to the circuit. The circuit extension region has a circuit extension region width W of at least 0.1 mm as measured in a direction extending away from the tongue relative to a furthest extending portion of the first proximal edge and a furthest extending portion of the second proximal edge.