Abstract: Described herein is an apparatus comprising an aircraft wing and a trailing edge aerodynamic surface connected to a trailing edge of the aircraft wing via a piston assembly in which the piston assembly holds the trailing edge aerodynamic surface in a neutral position relative to the aircraft wing at a constant supply pressure. The piston assembly may be implemented using a pneumatic piston or a hydraulic piston. A first end of the piston assembly may be connected to the aircraft wing and a second end of the piston assembly may be connected to the trailing edge aerodynamic surface. The piston assembly may include a pressure relief valve which may open or close, raising or lowering the aerodynamic surface, responsive to lift load on the aircraft wing.

Abstract: One embodiment is an apparatus including an airfoil-shaped body; and a chordwise variable vortex generation system associated with the airfoil-shaped body, the chordwise variable vortex generation system controlling a deployment of at least one vortex generator on a surface of the airfoil-shaped body, wherein the deployment of the at least one vortex generator is dependent on a current angle of attack of the airfoil-shaped body. In some embodiments, the chordwise variable vortex generation system includes an actuator for controlling a location of the deployment of the at least one vortex generator responsive to a control signal indicative of the current angle of attack of the airfoil-shaped body. In certain embodiments, the surface of the airfoil-shaped body is a top surface of the airfoil-shaped body. In some embodiments, the airfoil-shaped body is an aircraft wing.

Abstract: Systems and methods relate to a vertical takeoff and landing (VTOL) platform that can include a stator and a rotor magnetically levitated by the stator. The rotor and stator can be annular, such that the rotor rotates about a rotational axis. The stator can include magnets that provide guidance, levitation, and drive forces to drive the rotor, as well as to control operation of rotor blades of the rotor that can be independently rotated to specific pitch angles to control at least one of lift, pitch, roll, or yaw of the VTOL platform. Various controllers can be used to enable independent and redundant control of components of the VTOL platform.

Abstract: A follow focus device includes a signal receiver, a controller electrically connected to the signal receiver, and a control interface electrically connected to the controller and configured to be electrically connected to a camera device. The signal receiver is configured to receive a control instruction for controlling a focal length of a lens of the camera device and send the control instruction to the controller. The controller is configured to generate a control signal according to the control instruction and send the control signal to the camera device via the control interface.

Abstract: A drone system has a camera mounted to a frame of a drone, the camera configured to acquire image data upon receipt of a signal from a flight controller and a precision location device configured for continuously obtaining location data. Additionally, the drone system has a computing device configured for receiving a signal indicating that an image has been acquired, the computing device configured for transmitting a signal to a precision location device indicating that an image has been acquired, and the precision location device is further configured to record event data associated with a time indicating when the image was acquired.

Abstract: An autonomous drone system uses an onboard command and control system for controlling operations of a drone without the need for a radio frequency controller or an external electronic device programming unit. The system uses a control unit that interacts with the drone's unmanned aerial system flight controller. The control unit is programmed via an HMI button that is resident onboard the drone. Various sequences of HMI button depressions program the drone for its missions as well as command the drone to perform the missions. A microphone can be substituted for or can augment the HMI button. Various devices, such as a speaker, lights, a visual display screen, etc., can be resident on the drone for giving a user feedback during command and programming of the drone.

Abstract: A storage and transportation container for a radome of an aircraft is disclosed having a top wall, and bottom wall that are planar and parallel to one another, and a peripheral wall, wherein the top, bottom, and peripheral walls form an enclosure for supporting the radome within the container. The top wall has a closed curved outline and a surface of a dimension greater than that of the bottom wall having an outline which forms a parallelogram thus making it possible to receive the radome with its curved nose pointing downwards, and wherein the geometry of the container is matched to the form of the radome and of the hold.

Abstract: A stowage bin assembly is configured to be disposed within an interior cabin of a vehicle. The stowage bin assembly includes a strongback, and a pivot bin moveably coupled to the strongback. The pivot bin is configured to be moved between an open position and a closed position. A bin drive system is configured to move the pivot bin from the open position to the closed position. The bin drive system includes a motor operatively coupled to a bin actuator through a motion link. The motor is configured move the bin actuator via the motion link to push the pivot bin from the open position to the closed position.

Abstract: A braking table system for use in an aircraft cabin includes a rail mountable to a fixed structure in the aircraft cabin, the fixed structure adjacent a seat assembly, and, a table assembly mounted on and selectively movable along the rail. The table assembly includes a support deck engaged with the rail, a tabletop mounted on the support deck, and a braking mechanism carried by the support deck. The braking mechanism automatically engages the rail thereby preventing movement of the support deck relative to the seat assembly, and, upon user action moving the tabletop, the braking mechanism permits movement of the table assembly along the rail. The braking mechanism includes brake arms, each permitting movement of the table assembly in a respective direction, and, in the absence of user action moving the tabletop relative to the support deck, preventing opposite movement of the table assembly.

Abstract: A system for heating and cooling a passenger seat utilizing a single unit for producing hot and cold conditioned air. The system includes a source of pressurized air, a vortex tube coupled to the source of pressurized air for producing hot and cold air streams, a duct network coupled to the vortex tube through a valve assembly, and a controller controlling passage of the flow of hot and cold air streams through the manifold assembly based on passenger selection. Conditioned air flow can be dispersed into a cushion assembly such as an interior of a spacer mesh component of the cushion assembly.

Abstract: A flight attendant seat comprising a frame that can be mounted on a carrier fixture or integrated into the carrier fixture, and at least one seat arrangement integrated into the frame. The frame comprises a lower section, an upper section and a central section taking up the at least one seat arrangement, at least partially. The lower section is formed bent at least in a region adjoining the central section. A method is provided for fitting a flight attendant seat.

Abstract: Seat assemblies and aircraft interiors are provided. An aircraft interior includes a floor, a seat base fixed to the floor, a seat frame, a seat body, an obstacle, and a seat maze. The seat frame is selectively fixed to the seat base and includes a frame rail circumscribing the seat base to define a bounding area in which the seat base may translate relative to the seat frame. The seat body is mounted on the seat frame and includes an arm portion. The obstacle is proximate the arm portion of the seat body. The seat maze is configured to guide the seat frame around a clearance area within the bounding area to maintain a predetermined clearance between the arm portion and the obstacle.

Abstract: An anti-icing system according to the present invention blows heated air to a curved inner surface of a main wing of an aircraft. The anti-icing system includes: a piccolo tube that includes a flow path through which the heated air flows in a longitudinal direction from a rear end to a front end, and a plurality of ejection holes provided along the longitudinal direction to make the flow path communicate with an outside; and an engine that supplies the heated air toward the piccolo tube. The heated air ejected from the ejection holes of the piccolo tube is ejected toward an upper limit position and a lower limit position of an outside airflow stagnation point that are virtually formed on the main wing.

Abstract: A pneumatic deicing device (1) is provided for breaking and removing an ice deposit accumulated on the outer surface (2) of an aircraft, in particular on an airplane wing. The device (1) includes an outer layer (15) intended to withstand the outside environment, an inner interface layer (50) intended to be connected to the outer surface (2) of the aircraft, and at least two outer (30) and inner (40) intermediate layers connected to one another by an array of stitches (36) so as to define deicing chambers (35) that can be inflated quickly to cause a mechanical action to break the ice. The outer intermediate layer (30) includes a knit textile layer (34). At least one interlayer (20; 32) made from polar elastomer material is arranged above the knit textile layer (34) and immediately in contact with the outer layer (15) and the knit textile layer (34).

Abstract: Systems and methods relate to a vertical takeoff and landing (VTOL) platform that can include a stator and a rotor magnetically levitated by the stator. The rotor and stator can be annular, such that the rotor rotates about a rotational axis. The stator can include magnets that provide guidance, levitation, and drive forces to drive the rotor, as well as to control operation of rotor blades of the rotor that can be independently rotated to specific pitch angles to control at least one of lift, pitch, roll, or yaw of the VTOL platform. Various controllers can be used to enable independent and redundant control of components of the VTOL platform.

Abstract: The present invention achieves technical advantages as a rotorcraft engine inlet configuration to optimize performance in both hover and high-speed flight. A rotorcraft fuselage with a ram air intake and a side air intake allows airflow into the engine inlet plenum. A door can be operably coupled to the fuselage, wherein the door is in an open position when the airspeed is below a first threshold and is in a closed position when the airspeed exceeds a second threshold. Additionally, control logic, compares the rotorcraft airspeed with a stored airspeed to operate an actuator to open and close the door to modulate the airflow into the engine inlet plenum. The present invention realizes the advantages of eliminating the inlet spillage drag due to inlet ram airflow in forward flight and increasing the available engine power by mitigating the loss of inlet air pressure recovery.

Abstract: Methods and apparatus for distributing electric power from a power source of an aircraft to a plurality of electrical loads of the aircraft during a limited power availability condition are disclosed. An exemplary method comprises: distributing electric power from the power source of the aircraft to the plurality of electrical loads; receiving one or more signals indicative of a demand for electric power by one or more of the plurality of electrical loads; and adjusting the power distribution to the plurality of electrical loads based on the demand for electric power by the one or more plurality of electrical loads. The power distribution is also adjusted to maintain an overall power consumption of the plurality of electrical loads at or below a threshold.

Abstract: A component mounting assembly includes a non-metallic frame, a nut plate, and a grounding strap. The non-metallic frame is adapted for mounting to an aircraft fuselage. The non-metallic frame includes an outer peripheral portion having one or more fastener openings formed therein, and extends to a first height above the outer peripheral portion. The nut plate is coupled to the outer peripheral portion and extends therefrom to a second height that is at least 50% of the first height. The grounding strap is coupled, via a threaded fastener, to the nut plate.

Abstract: Disclosed is an aircraft lighting system disposed in an environment of an aircraft. The system includes a housing. The system includes an illumination element disposed within the housing. The system includes energy generation circuitry configured to generate electricity from the environment. The system includes switching circuitry including a driver operable to control illumination of the illumination element and operated with a driver voltage. The system includes energy harvesting circuitry including a regulator configured to draw energy from the energy generation circuitry and output a regulator voltage at the driver voltage.

Abstract: A constellation of Earth-orbiting spacecraft includes a first spacecraft disposed in a first orbit and a second spacecraft disposed in a second orbit. Each of the first orbit and the second orbit is substantially circular with a radius of approximately 42,164 km. The first orbit and the second orbit have a respective inclination with respect to the equator within a range of 5° to 20°. The first orbit has a first right ascension of ascending node (RAAN1) and the second orbit has a second RAAN (RAAN2) of approximately RAAN1+90°.

Abstract: An electronic pressure regulation system includes an electronic control unit and a fluid assembly, with the fluid assembly including a fluid control branch having a proportional control valve and a heater. The heater may be a strip heater applied to or a coil wrapped around an external surface of the proportional control valve. The system may further include a latching isolation valve. A secondary fluid control branch can be included, and the fluid control branches can be in parallel. The electronic pressure regulation system can be included in an all-electric satellite. Another electronic pressure regulation system includes an electronic control unit and a fluid assembly, with the fluid assembly including a fluid control branch having a proportional control valve, the proportional control valve including two independently-controlled coils for magnetostrictive actuation.

Abstract: Automatic packaging machine (3) for filling a bag (1) made of heat-sealable material, having an open upper end (2) with a dose of loose product; the packaging machine (3) has: a packaging conveyor (4); a pick-up head (7), which is supported by the packaging conveyor (4) to advance along a packaging path (P1); an input station (S1) where the empty bag (1) is grabbed by the pick-up head (7); an output station (S2) where the full, sealed bag (1) leaves the pick-up head (7); a filling device (18) that is mounted on the packaging conveyor (4) to move together with the pick-up head (7) along the entire packaging path (P1) and is adapted to supply the dose of product inside the bag (1) through the upper open end (2); and a sealing device (19) that is mounted on the packaging conveyor (4) to move together with the pick-up head (7) along the entire packaging path (P1) and is adapted to seal the full bag (1) through a heat-seal at the open upper end (2).

Abstract: A zipper closure device for use with a turret type flexible pouch fill machine. The zipper closer device has a pair of rollers supported by an arm which is permitted to oscillate within a support module. The support module is mounted such that the rollers oscillate in a radial direction with respect to the access of rotation of the turret. The support module is supported by an arm in a post which permits positioning of the closer device with respect to the position of the pouches to be closed.

Abstract: A covered container manufacturing device for manufacturing a resin covered container that includes: a container main body; an outer cover portion that opens and closes the container main body; and a hinge portion that couples the container main body with the outer cover portion, and wherein the container main body, the outer cover portion and the hinge portion are integrally formed, the covered container manufacturing device including: an angle regulator that regulates a relative angle of the outer cover portion with respect to the container main body to a predetermined angle of less than 180 degrees, wherein the angle regulator comprises: a heater that comprises a heating portion that generates heat and heats the hinge portion; and a bender that bends the outer cover portion relative to the container main body at the heated hinge portion, wherein the heater heats inside of the hinge portion.

Abstract: The invention relates to a macroblister comprising a flat body, in which are introduced cavities for receiving individual medicament portions, wherein the cavities are filled with individual medicament portions and are sealed with a foil. According to the invention, said macroblister contains a number T of medicament portions, characterized in that T is at least 60 and the flat body has a dimension in the range of 200 mm×200 mm to 1200 mm×1200 mm.

Abstract: A machine to manufacture cartridges for electronic cigarettes comprising a casing made of plastic material; the manufacturing machine comprises a drum rotating at a predetermined pitch around its own vertical rotation axis, which receives an orderly mass of empty casings from a feeding conveyor, in correspondence to a collecting station, and feeds them through a succession of processing stations; in which, the first drum is provided with a plurality of peripheral seats, each designed to receive a respective casing and which are divided into groups comprising the same number of seats arranged substantially in line so as to form, in plan view, a polygon on the surface of the first drum; in which the casings of the seats of a same group are simultaneously subjected to the processes in correspondence to the succession of processing stations.

Abstract: An apparatus for processing bales, for agricultural machines provided with a chamber for forming a substantially cylindrical bale. The apparatus includes at least one structure for supporting a reel of banded material, of the type of a net, a polymeric film, and the like, designed to wrap the bale. The apparatus includes means of movement of a device for the transfer and delivery of an end flap of the reel to the forming chamber; such device is provided with an end blade which can move along a work path, from a first limit position, in which the blade is proximate to the reel supported by the structure, for the withdrawal of the end flap, to a second limit position, in which the blade is facing toward the chamber, for the delivery of the flap to the chamber, and vice versa, such limit positions having substantially the same height from the ground.

Abstract: Provided are a new concept vegetable binding packing material having an air column, suitable for protecting vegetables, a new concept vegetable binding packing device for binding vegetables using the same, and a packaging method therefor. A vegetable binding packing material including an air column includes: at least one air column disposed in a row to surround a certain amount of vegetables in a direction crossing a lengthwise direction of the vegetables; and a bonding portion configured to bond both ends from the at least one air column to the outside of the vegetables.

Abstract: Described is a unit for filling containers (2) forming single-use capsules (3) with a dose (33) of product for extraction or infusion beverages, comprising: a line (4) for transport of the containers (2); a station (SR) for filling the containers (2) with a dose (33) of product and comprising: a first containing seat (S1) designed to receive a dose (33) of product; a device (10) for moving the first seat (S); a device (11) for adjusting the position of the first containing seat (S1) between a position (P1) for receiving the dose and a position (P2) for releasing the dose; a substation (ST1) for forming the dose (33) inside the first containing seat (S1); a substation (ST3) for releasing the dose (33) of product from the first containing seat (S1) to a container (2) transported by the transport line (4), the adjusting device (11) being configured to place the first containing seat (S1) in the receiving position (P1) at the substation (ST1) for forming the dose (33) and in the release position (P2) at the subst

Abstract: A forming tube for making filter bags of tetrahedral shape for infusion products including a forming element, which is elongate and hollow, which defines a longitudinal axis and which has a first opening through which the product enters in the forming element, a second opening through which the product leaves from the forming element to be dosed inside a filter bag being formed, and an inner through cavity which connects the first opening to the second opening and inside of which flows the infusion product. The forming element includes a main body substantially tubular including the first opening and a forming end including the second opening and mobile in rotation with respect to the main body about the longitudinal axis.

Abstract: Packaging systems with a rotatable table top held by a rotatable column, a plurality of circumferentially spaced apart clipper assemblies held at respective clipper stations provided by the rotatable table top, plurality of spaced apart pneumatic valves under the table top in fluid communication with the clipper assemblies, and at least one of: (a) a clipper reset cam assembly held under the rotatable table top with first and second reset cams cam that selectively automatically engage the pneumatic valves as the table rotates; and (b) a clipper trigger cam assembly held under the rotatable table top circumferentially spaced apart from the clipper reset cam assembly with first and second trigger cams that selectively automatically engage the pneumatic valves as the table rotates.

Abstract: Method of unwrapping a generally parallelepiped palletised load, which comprises making vertical and/or horizontal linear cuts in a plastics material which surrounds the palletised load, wherein at least one of the linear cuts has a discontinuous cut portion which comprises a plurality of cuts of determined length and constant pitch, the method comprising a subsequent step of tearing said discontinuous cut portion.

Abstract: Systems and methods for applying decorations from a web onto a substrates are disclosed. According to some aspects, a decoration may be transferred from the web directly to a substrate based on contact of the substrate with an adhesive of a portion of the decoration while the portion of the decoration is attached to the web.

Abstract: A refillable container including a base having a standing surface surrounding a push-up portion. The push-up portion includes a central portion at a center of the base that is recessed inward from a plane extending across the standing surface. A longitudinal axis of the container extends from a first end of the container to a second end through the central portion. A linear portion of the base extends radially outward from the central portion towards the standing surface of the base. The base is configured to reduce stress crack failures.

Abstract: A wound package construct includes a first wound strip of package material that establishes an inner liner layer, a second wound strip of material that establishes an intermediate bodystock layer, and a third wound strip of material or cover strip that covers a seam formed by the wound bodystock layer but that does not cover all of the outer surface area of the wound bodystock layer. Therefore, the width of the cover strip is less than the width of the bodystock strip. As a result, the cover strip is not wide enough to cover the entire outer surface of the wound bodystock layer such that, after the cover strip is wrapped to cover the spiral bodystock seam, areas of the bodystock layer remain exposed between the two opposed length-wise edges of the cover strip.

Abstract: A child-resistant package comprising a tray and a sleeve. The tray is configured to be inserted into said sleeve. The tray comprises external protrusions and the sleeve comprises one or more internal protrusions and access holes. The internal protrusions are configured to engage with the external protrusions when the tray and the sleeve are in a closed position, such that the tray is substantially prevented from being taken out of the closed position without disengaging the external protrusions from the internal protrusions. Each of the access holes overlaps with an end of each of the external protrusions, such that a user may access and disengage the external protrusions from the one or more internal protrusions, such that the tray is no longer prevented from being taken out of the closed position.

Abstract: A carded product stabilization device includes a box-like structure in which two folded sections having slots for receiving a carded product. The portions of the folded sections having slots are angled with respect to the walls of the box-like structure via folded portions. The folded portions may be perpendicular to the walls of the box-like structure and connected thereto via fold lines.

Abstract: The invention relates to a system of stackable open-top containers. The system comprises male and female containers that can be alternately stacked, either in upright or inverted position. When the system contains containers that are stacked in inverted position on top of upright container, substantial space saving is obtained by the system. The invention also provides male and female containers that are useful in the system of containers.

Abstract: A convertible pallet alternately displays and ships/transports associated product received thereon is disclosed herein. The pallet includes a substantially planar support member for receiving the associated product thereon. At least first and second wheels are mounted to the pallet. A convertible support surface is movably mounted to the pallet, the convertible support surface having (i) a first position where the convertible support surface receives loads imposed on the upper surface and transfers the loads directly to an associated surface, and (ii) a second position where the wheels extend outwardly from the lower surface for engagement with the associated surface so that loads imposed on the upper surface are transferred to the associated surface through the wheels and for converting the pallet into a movable cart.

Abstract: To suppress the work cost for the washing of the microneedle and the application of the medicament. A microneedle patch storage tool according to one aspect of the present invention is a microneedle patch storage tool for storing a microneedle patch and comprises a plurality of pallets stacked in a vertical direction, and the two pallets adjacent in the vertical direction constitute one or a plurality of patch holding parts for holding the microneedle patch, and the patch holding part comprises a plurality of lower protrusions arranged in circumferentially divided manner so as to sandwich a peripheral edge part of the microneedle patch in the vertical direction and supporting the peripheral edge part of the microneedle patch from a lower side and a plurality of upper protrusions arranged in circumferentially divided manner and pressing the peripheral edge part of the microneedle patch from an upper side and is opened to at least one of upper and lower directions.

Abstract: A package including a container body (1) containing a fluid content (3) with leaving a head space (7), wherein the container body (1) has an inner surface (1a) on which ruggedness is formed entirely, the inner surface (1a) with the ruggedness of the container body (1) is coated with a lubricating liquid (30) immiscible with the fluid content (3), and the lubricating liquid (30) is present as a coating layer interposed between the inner surface (1a) and the fluid content (3), and the lubricating liquid (30) for forming the coating layer forms a liquid pool (31) at a periphery of an upper end face of the fluid content (3) contained in the container body (1) in a state of being held upright.

Abstract: A mobility assembly for a container includes a handle bracket to attach to a first chime of a container, the container has a body that extends between a first wall and a second wall, the first chime has an inner surface and an outer surface each that extend between the first wall and a rim of the first chime, the rim extends between distal ends of the inner and outer surfaces, the first chime that extends from the first wall, and a handle arranged to attach to the handle bracket.

Abstract: A package includes a container formed to include a product-storage region and a mouth arranged to open into the product-storage region and a closure configured to mate with the container and establish a closed arrangement of the package and to be separated from the package at the option of a user to establish an opened arrangement.

Abstract: A container has a fibrous lid (100) and vessel (110) that have mutually mating raised beads (104, 112). The beads are preferably formed in rings, which in the case of the lid is positioned on the underside of the cap, and in the case of the vessel is positioned at the mouth of the vessel. Also in preferred embodiments, the beads can have outward curls, inward curls, or have a split formation. Both lid and vessel are preferably made of at least 85 wt % paper. The non-paper percentages can advantageously comprise one or more of glues, adhesives, films, and/or moisture barriers, and in most preferred embodiments, the moisture barrier is also an adhesive.

Abstract: A tamper-evident container includes a base and a lid. A base extension and a lid extension are connected to a hinge to join the base and the lid together in a closed, pre-use configuration. A tab extends from either the lid extension or the base extension in a direction away from the lid and the base such that the tab extends beyond the hinge. The tab is joined to one of the extensions via weakened regions that can be torn when the tab is pulled to indicate that the container has been tampered with or opened.

Abstract: A food container with vents on handles includes a box and a cover. The box includes a box wall and a receiving room. Two opposite sides of the box wall are provided with a pair of handle portions. Each handle portion is extended with a bent section from the box wall toward a direction which is bent away from the receiving room. An upper portion of each bent section is formed with a venting space communicating with the receiving room. The cover is removably fastened to the box to cloak the receiving room and includes a cover plate, a pair of handle lids and sliding seals. The handle lids can be fixed to the handle portions to cover the venting space. Each handle lid is provided with vents. The sliding seals are separately disposed in the handle lids to be capable of selectively cloaking the vents.

Abstract: A cooler drain assembly includes an outer sleeve member defining an interior passage within. The outer sleeve member is shaped and sized to be received within a drain plug opening of a food and beverage cooler. An inner sleeve member has a body which defines a flow bore within, the body of the inner sleeve member being received within the interior passage of the outer sleeve member and rotatable therewithin.

Abstract: A child resistant container is for containing at least one product, such as medicine. The child resistant container includes a body, a lid, and a directing portion. The body has an end portion defining an opening leading to an interior of the body. The lid is connected to the body via a hinge, and includes a cover portion and a protrusion extending outwardly therefrom. The cover portion is configured to move between a FIRST position corresponding to the cover portion covering the opening, and a SECOND position corresponding to the cover portion not covering the opening. The directing portion extends from one of the body and the cover portion, and at least partially encloses the protrusion when the cover portion is in the FIRST position. When the cover portion moves from the FIRST position to the SECOND position, the protrusion moves away from the directing portion.

Abstract: A bottle-shaped resin container with a bottle body and a cap, the container being configured to determine whether the seal has been broken by: the container having a long, tall cylindrical section between a neck ring and a flange that connects the neck ring and the flange; and when the cap body is rotated in the unscrewing direction, bridges being broken and the cap ring separating from the cap body and falling by its own weight so that the lower surface thereof contacts the flange and remains above the flange, exposing the side surface of the long, tall cylindrical-section between the upper surface of the cap ring and the lower surface of the neck ring. As the side surface of the long, tall cylindrical section is a straight line when viewed from the front, it is possible to determine the taper angle definitively and the taper angle is 60-80 degrees.

Abstract: A storage container can include at least one movement sensor in or on a frame of the storage container and at least one movement sensor in or on a door of the storage container. A processor can compare outputs of the movement sensors to determine whether the door is open.