A transceiver includes an antenna, an impedance adjustment device, an RF (Radio Frequency) front-end circuit, a storage device, and a processor. The antenna receives an RF signal. The impedance adjustment device is coupled to the antenna, and includes a plurality of branch circuit with different impedance values and a switch module. The processor is coupled to the RF front-end circuit and controls the switch modules. In a comparison mode, the switch module selects to connect to the branch circuits individually, and the processor detects each RSSI (Received Signal Strength Indications) value corresponding to the branch circuit and records all of the RSSI values to the storage device respectively. In the comparison mode, the processor further compares the RSSI values to for highest one. Finally, the switch module selects the branch circuit corresponding to the highest RSSI value as a transmission branch.

A balun including a first conductor winding, a first inductor, a second inductor, a third inductor, and a fourth inductor. The first conductor winding has a figure eight shape including a first loop and a second loop. The first inductor and the second inductor substantially surround the first loop. The third inductor and the fourth inductor substantially surround the second loop.

The present invention is directed to an impedance transformation device for use in a system having a characteristic system impedance, the device being characterized by a predetermined bandwidth having a center frequency. The device housing size is one-eighth wavelength of the center frequency. A first coupler is characterized by an even mode impedance and an odd mode impedance. The bandwidth is a function of the even mode impedance and the odd mode impedance substantially corresponds to the component port impedance. At least one second coupler is disposed in parallel with the first coupler and is characterized by the even mode impedance and the odd mode impedance.

A balun transformer includes an unbalanced terminal, two balanced terminals, a directional coupler, a low pass filter, and a high pass filter. The directional coupler includes first, second, third and fourth terminals. The first terminal is connected to the unbalanced terminal. A predetermined phase difference exists between the output signal of the second terminal and the output signal of the third terminal. The second terminal is connected to the first terminal by a line constituting the directional coupler. The low pass filter is connected between the second terminal and one of the balanced terminals. The high pass filter is connected between the third terminal and the other balanced terminal.

The present invention discloses a filter for removing noise, which includes: a lower magnetic substrate; a coil layer disposed on the lower magnetic substrate and including at least one conductor pattern and an insulating layer covering the conductor pattern; an upper magnetic substrate disposed on the coil layer; and a magnetic permeability enhancing layer disposed on the magnetic substrate with lower magnetic permeability of the lower magnetic substrate and the upper magnetic substrate. According to the present invention, it is possible to implement a filter for removing noise with high performance, characteristics, and reliability by increasing magnetic permeability to improve impedance characteristics and improving an effect of shielding electromagnetic waves such as jamming.

In an example embodiment, an electromagnetic interface can comprise: a first component comprising a first waveguide channel, a first interface surface, and a first force transfer feature; a second component comprising a second waveguide channel, a second interface surface, and a second force transfer feature; and a fastener that can be configured to force the first force transfer feature in sliding engagement with the second force transfer feature. The first and second force transfer features can be configured to interoperate to create an indirect force holding the first interface surface in contact with the second interface surface and holding the first waveguide channel in alignment with the second waveguide channel.

An attenuation reduction control structure for high-frequency signal transmission lines of a flexible circuit board includes an impedance control layer formed on a surface of a substrate. The impedance control layer includes an attenuation reduction pattern that is arranged in an extension direction of the high-frequency signal transmission lines of the substrate and corresponds to bottom angle structures of the high-frequency signal transmission lines in order to improve attenuation of a high-frequency signal transmitted through the high-frequency signal transmission lines. An opposite surface of the substrate includes a conductive shielding layer formed thereon. The conductive shielding layer is formed with an attenuation reduction pattern corresponding to top angle structures of the high-frequency signal transmission lines.

Embodiments of resonator circuits and modulating resonators and are described generally herein. One or more acoustic wave resonators may be coupled in series or parallel to generate tunable filters. One or more acoustic wave resonances may be modulated by one or more capacitors or tunable capacitors. One or more acoustic wave modules may also be switchable in a filter. Other embodiments may be described and claimed.

A de-noise circuit and a de-noise method for differential signals and a chip for receiving differential signals are provided. The de-noise circuit includes a filter and a register. Both the filter and the register are disposed in the chip. The chip receives a differential signal through a first input terminal and a second input terminal. The filter is coupled between the first input terminal and the second input terminal of the chip. The filter filters out noises in the differential signal. The filter includes at least one filter unit. Each filter unit has at least one resistance value or at least one capacitance value. The register is coupled to the filter. The register receives and stores a control value. The register controls the resistance value or the capacitance value of at least one of the filter units based on the control value.

A microelectromechanical (MEM) resonator includes a resonant cavity disposed in a first layer of a first solid material disposed on a substrate and a first plurality of reflectors disposed in the first layer in a first direction with respect to the resonant cavity and to each other. Each of the first plurality of reflectors comprises an outer layer of a second solid material and an inner layer of a third solid material. The inner layer of each of the first plurality of reflectors is adjacent in the first direction to the outer layer of each reflector and to either the outer layer of an adjacent reflector or the resonant cavity.

A coupling structure for a multi-layered chip filter includes a resonator layer including a resonator pattern with spaced areas and a coupling layer including at least two separated overlap portion patterns overlapped with the spaced areas of the resonator pattern respectively and a connecting portion pattern having multiple linear portions connecting the separated overlap portion patterns in an area not-overlapped with the resonator pattern.

A papermaking machine for the production of a fibrous web including a plurality of rollers and a structured fabric moving along the rollers. The structured fabric includes a plurality of weft yarns and a plurality of warp yarns woven with the plurality of weft yarns to produce a weave pattern, the plurality of warp yarns being a plurality of paired warp yarn sets. Each paired warp yarn set including a first warp yarn and a second warp yarn. Within the weave pattern the first warp yarn forms a float over at least four weft yarns and weaves with a single weft yarn immediately adjacent with the float. The second warp yarn having an inverse pattern to the first warp yarn, with the second warp yarn weaving with another single weft yarn that is not adjacent to the single weft yarn with which the first warp yarn is woven.

Disclosed is a fabric for an airbag including a polyester fiber, and particularly to a polyester fabric for an airbag of which toughness is 3.5 to 6.0 kJ/m3 and tearing strength measured according to the ASTM D 2261 TONGUE method is 18 to 30 kgf, wherein the fabric includes polyester fiber of which toughness is 70 to 95 J/m3, a method of preparing the same, and an airbag for a car including the same.

A woven fabric for a low profile implantable medical device includes a plurality of textile strands of a composite yarn aligned in a first direction interlaced with a plurality of textile strands of the composite yarn aligned in a second direction. The composite yarn includes a combination of a first material and a second material. The textile strands have a size between about 10 denier to about 20 denier. The first material has at least one characteristic different from the second material and the second material reacts favorably with blood when placed within an artery.

High tenacity, high elongation multi-filament polymeric tapes as well as ballistic resistant fabrics, composites and articles made therefrom. The tapes are fabricated from multi-filament fibers/yarns that are twisted together, bonded together, compressed and flattened.

Provided are a lightweight, compact reinforcing tape capable of improving a tensile strength. A reinforcing tape for reinforcing a tensile strength of a cloth includes weft threads which constitute a weave structure of the reinforcing tape, and warp threads which constitute a weave structure of the reinforcing tape, wherein a part of the warp threads are made of a high-strength fiber.

A fabric for forming a fibrous paper web having an embossed surface is provided that includes at least longitudinal and transverse threads interwoven with one another in a weave repeat defining a machine side and a paper side. Some of the longitudinal threads form embossing threads having projecting paper side floats on the paper side of the fabric passing over more than one transverse thread. The fabric includes at least a first woven fabric layer forming the paper side on its outside and having longitudinal and transverse first threads interwoven with one another and a second woven fabric layer forming the machine side on its outside and having longitudinal and transverse second threads interwoven with one another. At least some of the longitudinal second threads form embossing threads, which penetrate the first woven fabric layer for forming the paper side floats and connect the two woven fabric layers.

A gripper head for the insertion of weft threads on a gripper weaving machine as well as a gripper weaving machine with such a gripper head. The gripper head thread clamp for the weft thread is controlled in a contact-free manner and with high transfer reliability of the weft thread even in the machine center.

An implantable graft device having treated yarn is disclosed. The device comprises a graft body forming a lumen defining a longitudinal axis and comprising proximal and distal ends. The graft body comprises a woven fabric having warp yarns aligned in a first direction and a weft yarns aligned in a second direction. At least one of the weft yarns and the warp yarns has an agent applied thereto defining treated yarns of the graft body.

A device for manufacturing a fabric has a plurality of automatically working apparatus arranged next to one another on at least one carrier for manufacturing a leno weave (a leno weave apparatus). Two leno threads are fed to each leno weave apparatus. The device has at least one weft thread picking device; wherein the weft thread is introduced into the shed of leno threads raised by a plurality of leno weave apparatus. The weft thread is bound using at least two leno threads at a plurality of points behind the weft thread over the width of the fabric. At least one of the leno weave apparatus arranged in the end region of the fabric carries out a higher number of interlacings for achieving a homogenized warp tension distribution over the width of the fabric; and/or the lowering of the shed is carried out by the leno weave apparatus over the width of the fabric at different times for achieving a homogenized warp tension distribution.

A tuft carrier loading apparatus (10) for loading individual tufts (17) into tuft retention sites (9a) spaced along an elongate tuft carrier (9). The apparatus (10) includes a guide for guiding longitudinal movement of the tuft carrier along a path of travel and a plurality of individually and selectively operable tuft feeders (50) spaced along the path of travel, each tuft feeder (50) being operable when selected to feed an individual tuft to a tuft retention site (9a) of the tuft carrier (9). A driver (70) is drivingly connected to the tuft carrier (9) for moving the tuft carrier (9) along the path of travel, the driver (70) being operable to intermittently move the tuft carrier (9) through a series of successive positions whereat predefined tuft retention sites (9a) are moved temporarily into registry with each tuft feeder (50). A controller (60) is provided for controlling selection of the tuft feeders (50), the controller (60) being operable to actuate selected tuft feeders (50) to feed tufts to those tuft retention sites (9a) in registry therewith whilst the carrier (9) is located at each successive position. A detector is associated with each tuft retention site (9a) to detect the presence of a tuft. The driver (70), on detection of an absent tuft in a tuft retention site (9a) following actuation of one or more selected tuft feeders (50) resulting in failure to feed a tuft to the absent tuft retention site (9a), is operable to move the tuft carrier (9) into a position whereat the absent tuft retention site (9a) is moved temporarily back into registry with the or one selected tuft feeder (50) and the controller (60) re-actuates the selected tuft feeder (50) to feed a tuft to the absent tuft retention site (9a).

A method weaves pile fabrics with at least two different pile heights (a, b) in the same pile row, wherein the fabrics have weft threads, ground warp threads and pile-warp threads (1, 2), wherein these pile-warp threads are interlaced in the fabric, according to a pattern, in a figure-forming manner or are inwoven in a non-figure-forming manner, and which, when they are figure-forming, form pile with a well-defined pile height. The method includes a first set of pile warp threads, under light strain and at least a second set of pile warp threads under a higher strain. A device for manufacturing such fabrics is described.

The loom includes a weaving area (18) into which weft threads are inserted into at least one upper channel and one lower channel, each of these weft threads being inserted between at least two warp threads by at least one weft insertion element: first element for focusing on one of these channels and determining the position of the warp threads relative to the weft thread, and second element for inserting at least one binding thread (16) above, between and below these channels. The loom includes at least one element for gripping the at least one binding thread and element for moving the at least one gripping element out of and into the weaving area (18) so as to place the at least one gripping element in contact with the at least one binding thread and to allow the drawing of the at least one binding thread.

A three-dimensional woven fabric including front layer, rear layer, and light-shielding layer connecting front layer to rear layer and a method thereof are disclosed. The light-shielding layer is formed by repeatedly overlapping first, second, and third light-shielding layers with another light-shielding layer with adjacent ones among the first to the third light-shielding layers overlapped. The front layer includes front parts formed by weaving front layer wrap threads and weft threads, the front parts have front layer-connecting parts formed by sequentially and repeatedly weaving front layer wrapwrap threads and weft threads and light-shielding layer wrap threads, the rear layer includes rear layer-connecting parts formed by weaving sequentially and repeatedly the rear layer wrap threads and weft threads and light-shielding layer wrap threads. The light-shielding layers are formed by weaving light-shielding layer wrap threads and the weft threads, and the light-shielding layers are sequentially and repeatedly connected to front layer-connecting parts and rear layer-connecting parts. Three-dimensional shapes are implemented without adhesive. Various designs and light-shielding control are available.

Group of optic sensors (S) in a weft feeder, in particular for weaving looms, comprising one or more pairs of emitting sensors (E) and receiving sensors (R) arranged on a portion of the weft feeder (C) which extends laterally to the drum (T) of the weft feeder whereon the coils of the weft thread are wound, so as to form optic radiation going-paths from each of said emitting sensors (E) to a reflecting surface (9) provided on said drum (T) and optic radiation back-paths, from said reflecting surface (9) to corresponding receiving sensors (R), for detecting the presence/absence of a thread which crosses said paths. The optic sensors (E, R) are of the SMT type and are wired on a printed-circuit board (8) with an optic axis parallel to the plane of said board (8). A first group of total-reflection mirrors (V), one for each pair of emitting/receiving sensors (E, R), is inclined so as to deviate the optic radiation from the plane of the board (8) to a plane perpendicular to or inclined with respect to the same. A second group of partial-reflection mirrors (H), one for each pair of emitting/receiving sensors (E, R), is inclined so as to deviate the optic radiation in the same plane as board 8.

A three dimensional woven preform, a fiber reinforced composite incorporating the preform, and methods of making thereof are disclosed. The woven preform includes one or more layers of a warp steered fabric. A portion of the warp steered fabric is compressed into a mold to form an upstanding leg. The preform includes the upstanding leg and a joggle in a body portion. The body portion and upstanding leg are integrally woven so there is continuous fiber across the preform. A portion of the warp steered fabric includes stretch broken carbon fibers in the warp direction, and another portion includes conventional carbon fibers. The warp steered fabric can be woven on a loom equipped with a differential take-up mechanism. The warp steered fabric can be a single or multilayer fabric. The preform or the composite can be a portion of an aircraft window frame.

The connecting rod (6) for two articulations with parallel axes and for transmitting the rocking movements of an output lever of a shedding device to a heald frame belonging to a weaving loom, having a first connecting tip connecting to a first articulation and secured to a longitudinal bar, a second connecting tip (62) connecting to a second articulation and including members for clamping the bar that are accessible from one side of the connecting rod, and members (64) for separating the tips along a longitudinal axis (X6) of the connecting rod. The separating member having a bearing member (640) on an inclined surface (612; 630) whereof the normal is comprised in a plane (P6) perpendicular to the axes of the articulations and is inclined relative to the longitudinal axis (X6) of the connecting rod, while the bearing member (640) can be moved in a direction perpendicular to a plane (P34) containing the axes (X3, X4) of the articulations.

An airbag fabric, airbag and method for making the airbag fabric, the fabric consisting of warp and weft yarns of synthetic fiber yarn, characterized by satisfying the following requirements: (1) the total fineness of the synthetic fiber yarn is 100 to 700 dtex;(2) Nf/Nw≧1.10 wherein, Nw represents the weaving density of warp yarns (yarns/2.54 cm) andNf represents the weaving density of weft yarns (yarns/2.54 cm);(3) EC1≧400N and EC2≧400N wherein, EC1 represents the edgecomb resistance (N) in the machine direction, as determined according to ASTM D6479-02, andEC2 represents the edgecomb resistance (N) in the crosswise direction as determined according to ASTM D6479-02;(4) 0.85≦EC2/EC1≦1.15; and(5) the air permeability, as determined according to the Frajour type method specified in JIS L1096 at a test pressure difference of 19.6 kPa, is 1.0 L/cm2·min or less.

A device for making a woven article from a plurality of strings includes a base, a post, first and second engagement devices and a stabilization device. The base has a plurality of slots formed therein. The first engagement device engages first ends of the strings and is fixedly attached to the base and fixed relative to the slots, thereby fixing the first ends relative to the base. The second engagement device is fixedly attached to the base and includes a plurality of slits each configured to secure a corresponding one of the strings. The slots formed in the base are disposed between and spaced apart from the first and second engagement devices. The stabilization device is removably engageable with a selected one of the slots and is configured to engage a selected portion of the strings between the first and second engagement devices to restrict twisting of the strings.

Systems and methods for controlling the output of a battery pack are disclosed. In one example, a battery pack contactor is opened in response to battery pack current. The system and method may reduce battery pack degradation and increase system flexibility.

A battery system for a vehicle is provided with discharge circuits (R1, 129A through 129D, 128A through 128D) that discharge battery cells (BC1 through BC4) via measurement lines of those battery cells (BC1 through BC4). A control circuit transmits to an integrated circuit (3A) a first discharge command that causes discharge of the odd numbered battery cells (BC1 and BC3) of a cell group (GB1), a first transmission command that causes transmission to the control circuit of the terminal voltages of only the odd numbered battery cells (BC1 and BC3) measured during execution of the first discharge command, a second discharge command that causes discharge of the even numbered battery cells (BC2 and BC4) of the cell group (GB1), and a second transmission command that causes transmission to the control circuit of the terminal voltages of only the even numbered battery cells (BC2 and BC4) measured during execution of the second discharge command; and, based on the these various terminal voltages transmitted from the integrated circuit (3A), the control circuit diagnoses abnormalities in the system that includes the battery cells, the measurement lines, and the discharge circuits.

In a method for transferring energy between at least two energy storage cells in a controllable energy store that serves to control and to supply electrical energy to an n-phase electric machine, which energy store has n power supply arms which each have at least two series-connected energy storage modules which each include at least one electrical energy storage cell with an associated controllable coupling unit, and are connected to one respective phase of the electric machine, in a charging phase, all coupling units of those energy storage modules which are to be used as an energy source are controlled in such a way that the respectively associated energy storage cells are connected into the respective power supply arm.

State based full and empty control for rechargeable batteries that will assure a uniform battery empty condition, even in the presence of a load on the battery. A fuel gauge provides a prediction of the open circuit voltage of the battery, and when the predicted open circuit voltage of the battery reaches the predetermined open circuit voltage of an empty battery, the load is terminated, after which the battery will relax back to the predetermined open circuit voltage of an empty battery. A similar technique is disclosed for battery charging, allowing faster battery charging without overcharging. Preferably an RC battery model is used as the fuel gauge to provide the prediction, but as an alternative, a coulomb counter may be used to provide the prediction, with error correction between successive charge discharge cycles.

A controller for controlling a flow cell battery system is provided. The controller operates the flow cell battery system in a plurality of states including a plating state, a charging state and a discharge state.

A charging device with a battery management system which remains a rechargeable battery in full capacity during standby after being fully charged is disclosed. The charging device includes a charging module, electrically connected to a power source, for charging the rechargeable battery; a voltage detecting module, for detecting a voltage of the rechargeable battery; and a determination module, for instructing the charging module to charge the rechargeable battery with a supplementary current, when the voltage of the rechargeable battery detected by the voltage detecting module reduces to a first predetermined voltage, until the voltage of the rechargeable battery reaches a second predetermined voltage. A reduction of the voltage of the rechargeable battery is due to self-discharge of the rechargeable battery during standby after being fully charged.

Circuitry and techniques to measure, at the battery's terminals, characteristic(s) of the charging signal applied to the battery/cell during the recharging operation and, in response to feedback data which indicates the charging signal is out-of-specification, control or instruct the charging circuitry to adjust characteristic(s) of the recharging signal (e.g., the amplitude of the voltage of and/or current applied to or removed from the battery during the charging operation). For example, a rechargeable battery pack comprising a battery, and controllable switch(es), a current meter and voltmeter, all of which are fixed to the battery. Control circuitry generates control signal(s) to adjust a current and/or voltage of the charging signal using the feedback data from the current meter and/or voltmeter, respectively.

A method for operating a driverless, mobile assembly and/or material transport unit as a driverless transport system (DTS) with fixed assembly and/or warehousing stations. In this method, a system control device is used for the entire assembly process. The driverless, mobile assembly and/or material transport units comprises a travel device for the traveling movement of the unit, a drive device for the travel device, an energy storage device for providing the energy for the drive device and a control device for controlling the traveling movement in coordination with the system control device.

A system for detecting a short-circuited ultracapacitor cell in a machine is disclosed. The system may have a memory that stores instructions and one or more processors capable of executing the instructions. The one or more processors may be configured to perform cell balancing among ultracapacitor cells arranged within two or more ultracapacitor modules, each ultracapacitor module including at least two ultracapacitor cells connected in series. The one or more processors may be further configured to measure a module voltage generated by each of the plurality of ultracapacitor modules after performing the cell balancing and before applying a load of the machine to the ultracapacitor modules, and determine whether an ultracapacitor cell among the plurality of ultracapacitor cells is short-circuited based on a comparison of the measured module voltages.

Systems and methods to determine cell capacities of a vehicle battery pack. Cell capacities may be determined using state of charge (SOC) estimates for the cells and a charge count for the battery pack. The SOC estimates may be determined when the SOC of the battery pack is below a lower threshold and above an upper threshold. Error values may also be generated for the cell capacity values.

A direct feeding apparatus for impedance matching of a wireless power transmission device includes a helical type resonator, and a feeding unit configured to directly feed power to a region having a relatively small current value as compared to a center of a conductive line of the resonator.

Systems and methods for in-vehicle charging of pallet jack batteries are provided. An example system allows using a power source of a host vehicle configured to provide power at voltage levels lower than the operating voltage of the pallet jack battery stack. The system may allow, for example, charging a 24 volts pallet jack battery stack from a 12 volts power source of the host vehicle. The system may further comprise an interconnecting circuit having a plurality of contactors electrically coupling the batteries in parallel for charging and serially for discharging. The system may further comprise a voltage monitoring circuit to detect whether the pallet jack is connected to the host vehicle power source for charging. Based on the detection, the voltage monitoring circuit may reconfigure the interconnecting circuit to electrically couple the pallet jack batteries in parallel.

A system for protecting a power consuming circuit, the system comprising two terminals for receiving power and two terminals for providing received power. Between one of the receiving terminals and a providing terminal, a transistor is provided which is controlled by a Zener diode and to break the connection between one of the receiving terminals and a providing terminal, if a voltage over the providing terminals or the receiving terminals exceeds the breakdown voltage of the Zener diode.

A standby battery box for an electric cylinder is electrically connected to a control box for driving the electric cylinder and includes a charge-discharge device and a rechargeable battery. The charge-discharge device includes a protection unit, a power conversion unit, a voltage detection unit, a control unit, a discharge unit, a display unit, and a switch unit. The rechargeable battery is electrically connected to the charge-discharge device. When a startup switch of the switch unit is pressed, the charge-discharge device delivers the electricity of the rechargeable battery into the control box. When a shutoff switch of the switch unit is pressed, the charge-discharge device does not supply power, thereby protecting the standby battery box from being exhausted.

A charging apparatus including a charging unit adapted to charge, in a non-contact manner, an apparatus to be charged placed in a charging region, a detector adapted to detect a charged state of the apparatus to be charged placed in the charging region, and a controller adapted to change a mode of the apparatus to be charged to a mode that inhibits vibration, according to the charged state detected by the detector.

A stand for a portable electronic device includes a device receiving side including a coupling component for engaging with the portable electronic device when the portable electronic device is in a first orientation relative to the device receiving side and when the portable electronic device is in a second orientation relative to the device receiving side. The stand also includes a first support side adjacent to the device receiving side to act as a base when the portable electronic device is in the first orientation, and a second support side adjacent to the first support side to act as a base when the portable electronic device is in the second orientation.

A method for scheduling a charge of a plug-in electric vehicle (PEV) includes receiving, by a load management system, PEV information from a PEV plugged into an electric vehicle supply equipment (EVSE); transformer information from a transformer management system, the transformer information relating to a transformer associated with the EVSE; determining, by the charging information based on the PEV information and transformer information; providing the charging information to the PEV.

An apparatus for minimizing self-discharge of a smart battery pack is provided. During initial storage of the smart battery pack (100), prior to be being charged, a self-discharge protection circuit (110) disables smart battery circuitry (130). A minimal current drain is maintained while the smart battery circuitry (130) is disabled. Upon coupling of the smart battery pack (100) to a charger, the protections circuit (110) enables the smart battery circuitry (130). Battery packs having to be shipped with partially drained cells as part of shipping precaution requirements are no longer faced with the additional drainage problem previously caused by the smart battery circuitry (130) during storage.

A semiconductor device for battery control includes a CPU, a first bus coupled to the CPU, a second bus not coupled to the CPU, and a protective function circuit for protecting a battery from stress applied thereto. The semiconductor device also includes a non-volatile memory storing trimming data, a trimming circuit to perform trimming required to allow the protective function circuit to exert a protective function, and a bus control circuit capable of selectively coupling the first bus and the second bus to the non-volatile memory. The semiconductor device further includes a transfer logic circuit which causes, by making the bus control circuit select the second bus, a trimming data transfer path leading from the non-volatile memory to the trimming circuit to be formed and the trimming data stored in the non-volatile memory to be transferred to the trimming circuit without involving the CPU.

The invention relates to a monitoring system for monitoring a state of a door lock mechanism of a door or of a closure of a storage space of a means of transportation, comprising a generator and a sensor/actuator. The generator produces electrical energy from vibration energy, and the sensor detects the state of the door lock mechanism. The sensor uses the kinetic energy that is produced by the actuation of the door lock to generate an electrical signal, which is then transmitted to a microcontroller.

A discharge device actively discharges a main capacitor in an electric-power system of an electric-drive vehicle and comprises a discharge branch of a circuit connected in parallel to the capacitor and including a discharge transistor biased to “conduction” mode when the capacitor must be discharged. A control device is connected to a “gate/base” terminal of and controls the transistor, biasing the transistor to the mode when the capacitor is required to fee discharged. A control transistor maintains the discharge transistor in a “non-conductive” state when the control transistor is in the mode. The control transistor is in the state for the discharge transistor to be in the mode. A safety capacitor is interposed between the terminal and a power supply and charges when the discharge transistor is in the mode, causing a progressive decrease of current at the terminal, until the discharge transistor is biased to the state.