Abstract: A power management system comprises a plurality of HEMSs 10 and a CEMS 40. The CEMS 40 transmits, to each HEMS 10, a notification request for requesting a notification of an amount of power that can be reduced from power currently consumed by a load connected to each HEMS 10, in response to a power curtailment signal. Each HEMS 10 transmits, to the CEMS 40, reducible power information including the amount of power that can be reduced from the power currently consumed, in response to the notification request. The CEMS 40 transmits, to each HEMS 10, power reduction information including an amount of power that should be reduced in each consumer 70, in response to the power curtailment signal and the reducible power information.

Abstract: A circuit for scaling down first and second input voltages includes first and second voltage scale-down circuits that scale down the first and second input voltages, respectively. The first voltage scale-down circuit includes a transistor that receives the first input voltage at its gate and, operating in a source-follower configuration, scales down the first input voltage to generate a first output voltage at its source. The second voltage scale-down circuit is identical to the first voltage scale-down circuit and generates a second output voltage based on the second input voltage.

Abstract: A power conditioner system includes a power-generation power conditioner 30 for connecting a power generation equipment 11 to a grid 12 and a power-storage power conditioner 50 for connecting a power storage equipment 13 to the grid 12, wherein the power conditioner 30 includes an independent-power-generation output unit 34 for outputting, separately from power supply to the grid 12, power based on power of the power generation equipment 11, and the power conditioner 50 includes an independent-power-storage output unit 54 for outputting, separately from power supply to the grid 12, power based on power in the power storage equipment 13. The power conditioner 50 supplies at least one of AC power based on the output of the independent-power-generation output unit 34, AC power based on the output of the independent-power-storage output unit 54, and system power of the grid 12, to an independent output system 62 having a predetermined load.

Abstract: A power inverter system consists of a connection to a primary DC power source, a connection to an AC grid or load, a plurality of switching elements and filter elements to connect the DC power source to the AC grid or load, three power rails internal to the inverter, and a buck/boost circuit to provide a third power rail. The invention allows for simple transformerless grounded or ungrounded connection of a DC power source to an AC grid or load. The voltage rail that is not directly connected to the primary DC power source can be connected to an auxiliary DC power source without any significant additional hardware.

Abstract: User convenience is reduced if vibration of a power receiver is inhibited when the power receiver is receiving power through a cable or when the power transmitting region is large and vibration of the power receiver does not cause the power receiver to deviate from a power transmitting region of a power transmitter. It is desired to selectively inhibit the vibration of the power receiver during power reception, depending on the power reception status. The power receiver includes a vibrating unit, and includes a power receiving unit configured to receive power, an identifying unit configured to identify a power reception technique used in the power receiving unit when the power receiving unit receives the power, and an inhibiting unit configured to inhibit the vibrating unit from vibrating in accordance with the identification by the identifying unit.

Abstract: The present invention relates to a ferrite core structure for a power supply device of an electric vehicle which changes the structure of a ferrite core module according to a related art to improve output and limits a reduction in strength due to warpage in a traveling direction of the vehicle to prevent cracks generated in a surface of an intermediate portion of a power supply road from occurring.

Abstract: An embodiment of the present invention relates to a feed apparatus, a current collector, and a power transfer apparatus of the magnetic induction type, considering lateral deviation.

Abstract: There are provided a wireless power transmission device using a frequency multiplier and a method thereof. The wireless power transmission device using the frequency multiplier includes a signal input unit configured to receive a first alternating current (AC) signal, a frequency multiplier configured to output a second AC signal having a higher frequency than the first AC signal using harmonic components of the first AC signal, and a power transmission unit configured to transmit power by receiving the second AC signal. Accordingly, a complex structure in which an AC signal is converted into a DC signal and the DC signal is converted into the AC signal again in order to generate the AC signal for the wireless power transmission can be simplified by the frequency multiplier. Moreover, it is possible to efficiently and wirelessly transmit low power required for ambient scattered sensor nodes.

Abstract: A system includes a soft DC power source having an output terminal, a DC load, a disconnect switch coupled between the output terminal of the DC power source and the DC load, and a capacitor coupled between a power side of the disconnect switch and a reference potential. The capacitor inhibits a rise in voltage across the disconnect switch as the disconnect switch is opening to inhibit arcing in the switch. Further, a disconnect switch assembly includes a pair of input terminals for coupling to a DC power source, a pair of output terminals for coupling to a DC load, a disconnect switch coupled between one of the input terminals and one of the output terminals, and a capacitor coupled between the pair of input terminals.

Abstract: A hybrid high-voltage DC breaker, consists of a plurality of completely identical breaker modules connected in series. Each of the breaker modules comprises a main current circuit, a transfer current circuit, an over-voltage limiting circuit and a control system, wherein a high-speed mechanical switch, the transfer current circuit and the over-voltage limiting circuit are connected in parallel. The transfer current circuit consists of circuits 1-4, wherein the circuit 1 and the circuit 4 are connected in series at first and then connected with the main current circuit in parallel; a pre-charged capacitor is connected with the circuit 4 in parallel after being connected with the circuit 3 in series; and, one end of the circuit 2 is connected with the left end of the main current circuit while the other end thereof is connected with a connection point of the pre-charged capacitor and the circuit 3.

Abstract: A compact information device in which a shortened unlatch time is enabled so such device can transition from a power cutoff mode to a power supply mode to resume supplying power to internal circuits as a result of a latch circuit unlatching a control signal. Embodiments of such a device, which may be a printer, includes a CPU, a power switch, a capacitor, a switch circuit, an unlatch signal generating unit, and a switch control signal generator, which may include a latch circuit, and a potential difference detection circuit. The latch circuit and potential difference detection circuit operate with voltage Vin2. The CPU outputs a start latch signal VLT when the operating mode changes from the power supply mode to the power cutoff mode. When the power switch is turned off, the potential difference detection circuit outputs an unlatch signal VRST. When the unlatch signal VRST is input, the latch circuit unlatches the control signal.

Abstract: A system including a first circuit substrate having conductive traces in layers of the first substrate, the first substrate having a first diamagnetic layer, a second circuit substrate having conductive traces in layers of the second substrate, the second substrate having a second diamagnetic layer, at least one manipulator residing adjacent one of the first and second diamagnetic layers, the manipulator being moveable across the first and second diamagnetic layers through magnetic fields generated by selected application of current to the conductive traces, and a controller coupled to the traces arranged to produce signals which result in the current being applied to the conductive traces.

Abstract: An arrangement has at least one electrical winding having a one-part or multi-part component produced from a soft-magnetic powder composite material, which component conducts an electromagnetic flow of the winding, at least in certain regions, and has a recess provided in the region of this flow conduction, and having a one-part or multi-part, particularly metallic connector part, which has a greater mechanical strength and/or electrical conductivity and/or thermal conductivity as compared to the component, and projects into the recess of the component. In order to achieve particular thermal, mechanical and/or electrical properties, the recess penetrates the component in the region of its flow conduction, and the connector part that projects through this recess forms a mechanical, electrical and/or thermal bridge that bridges the component.

Abstract: A stator for an electric motor or generator comprising a circumferential support having a plurality of protrusions circumferentially distributed about the support; and a plurality of teeth arranged to receive coil windings, wherein each tooth includes a recess with interlocking means formed within the recess for engaging with a protrusion mounted on the circumferential support in a radial direction.

Abstract: A magnetic gear arrangement is provided having a magnetically active gear member that generates a first magnetic field, which is modulated by interpoles. The modulated magnetic field generates magnetic poles on a magnetically passive gear member, and these poles form a second magnetic field. The material of the passive gear member is sufficiently magnetically hard that the first and second magnetic fields interact to couple the motion of the active and passive gear members according to a given gear ratio.

Abstract: A stator assembly (1) comprising: a ferromagnetic stator core (2); at least two stator coils (3) of enameled aluminum wire wound around said stator core (2); and a heat-dissipating envelope (4; 61) surrounding said stator coils (3), the heat-dissipating envelope (4; 61) comprising one or more degassing holes (5) traversing the envelope so that the stator coils (3) are in communication with the external environment.

Abstract: A stator (1) for an electric motor, which comprises a substantially hollow-cylindrical stator stack (2) provided with wire windings and an end winding (6), which adjoins the stator stack (2) in the axial direction, wherein the stator stack (2) comprises a number of slots (4), wherein a coolant line (8) is inserted into the respective slot (4), is intended to enable a further improvement of the efficiency of the electric motor. For this purpose, a section (10) of the respective coolant line (8) extends into the region of the end winding (6).

Abstract: A fluid-cooled electric motor includes a generally tubular-shaped motor housing having a plurality of channels through which a coolant can flow. The channels are spaced apart from each other in an annular arrangement around the housing and extend through the housing in an axial direction. Each of the channels is surrounded by a portion of the housing defining walls of the channel forming a cooling surface area.

Abstract: To uniformly cool down armature windings along the circumferential direction of a stator in a generator motor. A generator motor includes a stator 1 fixed to the inner diameter side of a housing 18, a rotor 130 rotatably supported by bearings 5, and armature windings wound around the teeth of a stator core 110. Each of brackets 200 provided via the bearings 5 has a passage 201, 202 through which cooling oil flows and injection holes 204 which communicate with the passage and inject cooling oil at positions opposite to winding ends of the armature windings. Cooling oil is injected toward the winding ends of the armature windings from the injection holes 204 of the brackets 200 arranged on opposite axial sides of a shaft 6. In the flow rate distribution of the oil from the plurality of the injection holes 204, the flow rate of the oil from any of the injection holes 204 is set to be greater as the position of the injection hole 204 is higher above the level of the shaft 6.

Abstract: A motor having a cooling structure includes a rotor fixed to a rotatable motor shaft, a rotor coil formed adjacent the rotor, a coil protection cover disposed adjacent the rotor coil, mounted in the motor shaft, and having a coolant chamber filled with a coolant. The motor further includes a stator fixed adjacent an exterior circumference of the rotor and may include a cover in which one end portion of the motor shaft is rotatably penetrated having a cooling pin at an internal side surface opposite one side surface of the coil protection cover. The coolant filled in the coolant chamber of the coil protection cover receives heat generated in the rotor coil, and, by effectively emitting the heat to the outside through the cooling pin formed in a rear cover, durability of the entire motor can be improved, and failure of peripheral parts can be prevented.

Abstract: A housing for coupling to a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. The housing also includes a plurality of first heat fins coupled to the outer surface. Each first heat fin of the plurality of first heat fins includes a first portion extending radially from the axis of rotation. In addition, the housing includes a second portion coupled to first portion and extending parallel to the axis of rotation. The housing further includes a second heat fin coupled to the second portion.

Abstract: The present invention relates to a device to prevent foreign objects from entering screw holes of a brushless motor of a ceiling fan. The device includes a cover to prevent foreign objects and a motor cover. The cover is adapted to cover screw holes of the motor cover. The cover has a hollow cover body which has an accommodation space corresponding in position to the screw holes of the motor cover. The ends of screws are in the accommodation space of the hollow cover body of the cover so that the iron fillings of the screws and foreign objects will fall in the accommodation space. The present invention can prevent the iron fillings of the screws and foreign objects from entering the motor to cause noises so as to enhance the reliability of the product and prolong the service life the product.

Abstract: An electric motor (1), comprising a primary part (2a, 2b) having an iron-free winding device (3) that comprises at least two phases (6) , wherein one phase (6) comprises at least two phase windings (4) and at least one electrical connecting element (5) , a secondary part (7a, 7b) having an even number of magnetic poles (8), which are arranged alternatively on the secondary part (7a, 7b), wherein the winding device (3) is arranged in an air gap (9) between the primary part (2a, 2b) and the secondary part (7a, 7b) relative to an axis (10a, 10b), in such a manner that each phase winding (4) of a phase (6) is arranged opposite a respective magnetic pole (8) and all magnetic poles (8) are usable simultaneously for force formation.

Abstract: A brushless permanent magnet electric motor (10) configured to have high saliency and low cogging torque, comprises a stator (30) having a plurality of stator teeth (36), and a rotor (50) having a permanent magnet (56) having a plurality of magnetic poles. The stator teeth (36) contain pole heads (37) having grooves (39) substantially parallel to the axial direction of the motor (10) formed thereon, which function to increase the number of magnetic stator poles of the motor (10), increasing saliency. The permanent magnet (56) contains a plurality of notches (58) on one side positioned between the plurality of magnetic poles, configured to decrease the coefficient of pole arc of the rotor (50), thereby decreasing cogging torque.

Abstract: An interior permanent magnet machine includes a stator including a plurality of electrical conductors. The interior permanent magnet machine further includes a rotor concentrically disposed in relation to the stator. The rotor is configured to rotate relative to the stator about a rotational axis and includes a plurality of polar pieces arranged annularly about the rotational axis. At least one of the polar pieces includes a magnetic layer configured to magnetically interact with the electrical conductors. The magnetic layer has a substantially conic section shape.

Abstract: A rotor for a rotary electric machine includes a plurality of magnetic poles in a rotor core, a side barrier as a magnetic air gap, an air gap section as a magnetic air gap. Each of the plurality of magnetic poles includes a magnet insertion hole, a permanent magnet. The side barrier is provided at a portion adjacent to a circumferential end face of the permanent magnet and includes a projection barrier portion projecting radially outwardly from an extension line extending from an outer peripheral surface of the permanent magnet. The air gap section is provided at an area which is spaced apart from the projection barrier portion and the magnet insertion hole and faces a peripheral edge of a circumferentially central side of the magnetic pole with respect to the projection barrier portion and a circumferential end of the outer peripheral surface of the permanent magnet.

Abstract: A rotor of superconducting rotating machines according to the present invention comprises: a yoke provided with receiving sections which are consecutively formed on the outer peripheral surface thereof; bobbins received in each of the receiving sections of the yoke; and a superconducting coil coupled with the bobbins, wherein interval-maintaining members are formed of high tenacity fibers and coupled between the yoke and the bobbins such that the bobbins are supported at an interval from the inner surfaces of the receiving sections to the bottom surfaces thereof.

Abstract: An electric machine and a method of forming a commutator for an electric machine includes forming a commutator assembly including a plurality of commutator bar members linked through a corresponding plurality of bridge elements, rolling the commutator assembly into a commutator form having a substantially continuous, uninterrupted, outer surface, introducing an internal support member that receives an end portion of each of the plurality of commutator bar members into an inner diameter of the commutator form, and separating the plurality of commutator bar members by removing each of the plurality of bridge elements creating a discontinuous outer surface.

Abstract: A power-generating system includes a heat source which is able to produce temporal temperature variation; a first device which is able to produce temporal temperature variation so as to include at least partially a temperature range of ?20° C. relative to the Curie temperature to +10° C. relative to the Curie temperature based on the temperature change of the heat source, and in which polarization occurs; and a second device for taking out a net generating power from the first device.

Abstract: The present disclosure provides an ionic ring comprising a number of piezoelectric elements, a piezoelectric device including the ionic ring, and a piezoelectric generator including the ionic ring and host devices incorporating the piezoelectric generator. The piezoelectric generator can be used to generate energy on a portable electronic device in response to mechanical deformation. The generated energy can be used instead of a battery of the portable electronic device or can be used to charge the battery.

Abstract: An ultrasonic transducer as an important part of an ultrasonic flow meter is described, with a transducer housing and with a transducer element, the transducer housing having an ultrasound window and a housing tube, the transducer element being made for sending or receiving ultrasonic waves and being either near the ultrasound window of the transducer housing or away from the ultrasound window of the transducer housing, there being a relatively soft mechanical coupling system and the mechanical coupling system having preferably at least one weakly coupled mechanical resonator. The ultrasonic transducer is improved with respect to the prevention of the transmission of housing waves by there being a second soft mechanical coupling system.

Abstract: The strain wave gearing includes a rigid internally toothed gear, a flexible externally toothed gear that is disposed coaxially therein and is flexible in the radial direction, and a wave generator that is disposed coaxially inside the externally toothed gear. The flexible externally toothed gear is bent in the radial direction by the wave generator and meshes with the rigid internally toothed gear in sections. When the position of meshing of the rigid internally toothed gear with the flexible externally toothed gear moves in the circumferential direction as the wave generator rotates, a relative rotation that corresponds to the difference in number of teeth of the two gears is generated between the two gears. A vibration-powered generator is disposed on the flexible externally toothed gear. The vibration-powered generator is provided with a piezoelectric element.

Abstract: A piezoelectric resonator element includes a piezoelectric substrate formed of an AT-cut quartz crystal substrate in which the thickness direction thereof is a direction parallel to the Y? axis; and excitation electrodes disposed so as to face vibrating regions on both front and rear principal surfaces of the piezoelectric substrate. The piezoelectric substrate includes a rectangular excitation portion in which sides parallel to the X axis are long sides thereof, and sides parallel to the Z? axis are short sides thereof; and a peripheral portion having a smaller thickness than the excitation portion and formed around the excitation portion. Each of side surfaces of the excitation portion extending in a direction parallel to the X axis is present in one plane, and each of side surfaces of the excitation portion extending in a direction parallel to the Z? axis has a step.

Abstract: An alternator for a motor vehicle includes a radial fan unit having a fan wheel with a plurality of radial fan blades. A magnetic field generator is arranged in the end region of at least two opposite fan blades. A magnetic coil arrangement is arranged around an outer circumference of the radial fan unit. When the fan wheel rotates the magnetic field generators induce an alternating current in the magnetic coil arrangement.

Abstract: A structure which enables highly accurate detection of the temperature of the stator windings of a dynamo-electric machine. A terminal base (12) integrated with a stator by resin molding is provided with: positioning sections (13, 14, 15) for three-phase stator windings (100, 101, 102); and a positioning section (16) for a thermistor (17). The positioning section (16) is disposed between the positioning sections (14, 15). The thermistor (17) is insert molded on the terminal base (12).

Abstract: Permanent magnet type rotating electrical machine with rotor core including a plurality of magnet insertion holes, each having a substantially rectangular cross section, for each magnetic pole. A nonmagnetic section is formed at both ends of the magnet insertion hole in a circumferential direction. Between adjacent magnet insertion holes, a bridge section mechanically connects a rotor core section on the outside of the magnet insertion hole and a rotor core section on the inside thereof. Clearance sections for a corner of the permanent magnet inserted in magnet insertion hole projected in the circumferential direction and a radial direction of the rotor are provided at a corner between surface of the magnet insertion hole on the bridge section and a surface on the outside of the rotor and at a corner between surface of the magnet insertion hole on the bridge section and a surface on the inside of the rotor.

Abstract: A bracket supporting apparatus includes a cabinet body, a number of first supporting brackets, a number of second supporting brackets, a product channel, a first mounting bracket, a second mounting bracket, and a product output unit. The cabinet body includes a first side plate, a second side plate, a top plate, a bottom plate, and a back plate. The number of first supporting brackets and the second mounting bracket are fixed to the first and the second side plates. The number of second supporting brackets and the product channel are mounted on the top plate. The first mounting bracket is mounted on the back plate. The product output unit is fixed to the first and the second mounting brackets. The product output unit receives a sale item dropped from the product channel and facilitates the sale item to slide towards a product output opening above the bottom plate.

Abstract: A work station includes tool containing or supporting features as well as workbench features, such as a work surface and work back. The work station is preferably mobile, permitting it to be moved or transported. In addition, the work station is preferably collapsible and securable. In one configuration, the work station has a work bench portion which can be raised or lowered relative to a base portion, wherein in the lowered position, the base portion is positioned in an interior space of the work bench portion.

Abstract: This disclosure relates generally to an apparatus for retaining an electronic device as well as for methods for using the device for the purpose of doing the same. In various instances, the electronic device includes a housing including top and bottom members, and having a membrane region configured to facilitate interaction with a biometric scanner on the electronic device. In certain instances, the housing for the electronic device is adapted for protecting the device from one or more of shock, liquid, dust, snow, and the like. The electronic device may be any suitable electronic device, such as a computer, mobile computer, notebook computer, tablet computer, telephone, personal digital assistant, or the like.

Abstract: An apparatus and system for housing a device include a housing that is configured such that a device may be fitted within the housing and thereby be protected, such as from shocks and/or liquid. The housing may include top and bottom members that may be removably coupled together so as to form the housing. Each top and bottom member optionally includes front and back surfaces surrounded by a perimeter. The perimeter is defined by proximal and distal ends as well as opposing sides. The top and bottom members may include respective clasping mechanisms that extend along the perimeter of the top and bottom members. The clasping mechanisms are configured for coupling the top and bottom members with one another thereby sealing the housing, for instance, in a shock-proof and/or water tight seal.

Abstract: A metal enclosure has a surface region which is coated with cladding material using a laser cladding process. The metal enclosure can form at least a portion of an electronic device housing. All or part of one or more surfaces of the enclosure can be coated with cladding material. The coating of cladding material can be varied at selective regions of the enclosure to provide different structural properties at these regions. The coating of cladding material can be varied at selective regions to provide contrast in cosmetic appearance.

Abstract: An apparatus is provided, including a base-deck floor; a base-deck frame, overlying the base-deck floor; a top cover, overlying the base-deck frame; and an affixing means operable to attach the base-deck frame to the base-deck floor, wherein the base-deck frame is operable to be fastened to both the base-deck floor and the top cover to provide a housing for a hard disk drive. A method is also provided, including assembling at least a portion of a hard disk drive assembly on a base-deck floor; affixing a base-deck frame to the base-deck floor; and securing a top cover to the base-deck frame.

Abstract: The present invention includes a mobile phone enclosure which provides a user access to the features of the mobile device within a protective enclosure further providing at least one appearance enhancing device. Such an enclosure may comprise a brush and/or comb and may provide at least one storage area for the appearance enhancing device. Such a protective enclosure may be for an electronic device having interactive controls and may comprise a protective shell substantially surrounding said electronic device when the electronic device is disposed in said shell, the electronic device being insertable in and removable from said shell by hand and having at least one opening in the shell substantially aligned with the interactive controls when the electronic device is disposed in the protective shell, and having at least one appearance enhancement device removabley disposed within the bounds of the shell.

Abstract: A storage organizer for vanity items includes a cabinet in which an interior space is formed by a first sidewall, a second sidewall opposing the first sidewall, a top wall extending from the first sidewall to the second sidewall, a bottom wall opposing the top wall and extending from the first sidewall to the second sidewall, and a back wall extending from the first sidewall to the second sidewall and from the top wall to the bottom wall. A door, for the interior space, extends between the top wall and the bottom wall and from the first sidewall to the second sidewall, opposite the back wall when in a closed position. The storage organizer further includes a base joined to the bottom wall by a swivel joint, the swivel joint allowing the cabinet to rotate 360 degrees about the base.

Abstract: A dish rack is supported for vertical movement relative to a dishwasher tub between lowered and raised positions. To raise the rack, spring biased locking levers provided on side walls of the dish rack are pivoted to cause wing members of the locking levers to release locking tabs, extending in a cantilevered fashion from locking straps secured to the rack, from locking openings provided in adjuster arms which are fixed vertically relative to the tub, thereby disengaging the locking straps from the adjuster arms to enable the rack to be lifted to the raised position. To lower the rack, the locking levers are again pivoted to reposition support members of the locking straps into positions offset from the adjuster arms, thereby enabling the rack to be guided to the lowered position where the locking tabs automatically engage the adjuster arms.

Abstract: An accessory for supporting crockery in a dishwasher comprises a generally U-shaped main body having a pair of legs and a connecting portion that connects the pair of legs, at least one of the legs having a free end that is adapted to be releasably attached to a crockery basket in the dishwasher when in an installation position, and a smoothly radiused portion connecting each leg to the connecting portion, wherein the legs are spaced apart in the installation position a sufficient distance to promote stability of the crockery.

Abstract: An electrical equipment cabinet cooling device includes an electrical equipment cabinet having a cabinet outer frame defining an inner perimeter wall. A planar outer cabinet wall is positioned within the inner perimeter wall. A two-phase thermal device includes spaced and opposed first and second transfer walls. An outer perimeter wall connects the first and second transfer walls and defines an interior sealed cavity between the first and second transfer walls. The outer perimeter wall is sized for slidable receipt within the inner perimeter wall. A liquid/vapor retained in the interior sealed cavity acts as a heat transfer medium between the first and second transfer walls. A convective cooling block has a planar end face in direct contact with the second transfer wall. Heat transfers to atmosphere in a path including the outer cabinet wall, the first transfer wall, the liquid/vapor, the second transfer wall, and the cooling block.

Abstract: Illustrative embodiments of systems and methods for powering lighted shelves in refrigerator appliances are disclosed. In one embodiment, a refrigerator appliance may comprise a cabinet having a temperature-controlled compartment defined therein, a shelf ladder disposed at least partially in the temperature-controlled compartment and providing a plurality of shelf mounting positions, the shelf ladder comprising an electrical bus including first, second, and third conductors, the second conductor configured to supply power at a first current level when electrically coupled to the first conductor, the third conductor configured to supply power at a second current level when electrically coupled to the first conductor, and a first adjustable shelf carrying a first lighting device, the first adjustable shelf being removably mountable in one of the plurality of shelf mounting positions such that the first lighting device is electrically coupled between the first conductor and the second conductor.

Abstract: A stringed instrument work station and hanging system 10 includes a low profile cabinet 12 configured with a slide-out drawer 14 that is shaped to support a guitar or other type of stringed instrument when repairing, adjusting, or otherwise working on the instrument. The drawer includes longitudinal walls or rails for spanning between the drawer end walls (46) for not only holding tools and spare parts for the stringed instruments, but also for supporting the body portion of the stringed instrument when the instrument is positioned on the opened drawer. Various neck supports (78) and (80) are utilized with the drawer (14) for supporting the neck of the stringed instrument when being serviced. The neck supports (78) and (80) can be positioned at various locations across the drawer (14).

Abstract: An apparatus comprising an enclosure and a cover comprising a shape-memory alloy is provided. The enclosure has at least one void that facilitates access to a component of the apparatus. The cover has at least an opened shape and closed shape, wherein the cover allows access to the component via the void in the opened shape and covers at least part of the void in the closed shape, wherein the cover transitions from the closed shape to the opened shape in response to the apparatus being accessed.