Abstract: An electromagnetic noise suppression sheet obtained by using combination of a conductive carbon and spinel ferrite particles having a cumulative 50% volume particle diameter of 1 to 10 ?m, can exhibit an excellent transmission attenuation power ratio and a reduced return loss in a near electromagnetic field, and is suitable for high-density mounting. The electromagnetic noise suppression sheet of the present invention can be produced by the process of the present invention which includes the steps of applying a coating material in which the conductive carbon and the spinel ferrite particles having a cumulative 50% volume particle diameter of 1 to 10 ?m are dispersed, to form a coating film having a thickness of 10 to 100 ?m after dried, and subjecting the resulting coating film to thermoforming under pressure.

Abstract: Electronic equipment installed outdoors to house an internal unit is provided, meeting the waterproof standard and having an easily replaceable structure of the internal unit. The electronic equipment has an enclosure having a cover and a case with an opening and an air vent, and an internal unit in which an electronic component is mounted. The internal unit has a heat sink and radiation fins for releasing heat generated by the electronic component. The fins are inserted into the opening. The heat sink has a draining portion formed below the fins in a direction perpendicular to an extending direction of the radiation fins, a groove for waterproofing around the fins except an upper portion thereof, and two protrusions for fitting above the fins. The case has a rib for waterproofing around the opening except an upper portion thereof, and two holes for fitting above the opening.

Abstract: A transmission cable for use in an elongate medical device (420) such as a catheter, guide wire, etc., wherein the transmission cable is capable of being switched to an MR-safe mode only when necessary, while retaining its optimal electrical transmission properties otherwise, is disclosed herein. The transmission cable comprises a transmission line including at least two electrically conductive line segments (104a, 104b) separated by a non-conductive gap (106a), a bridging unit comprising at least one electrically conductive bridge segment (108a) capable of bridging the non-conductive gap, and a switching unit (112) arranged to move the bridging unit and/or the transmission line to electrically connect the two line segments by closing the non-conductive gap using the bridge segment or to electrically disconnect the two line segments by opening the non-conductive gap.

Abstract: A drilling fluid composition for horizontal directional drilling is a flowable aqueous slurry of biodegradable, non-toxic, preferably edible plant particles. The particle size of the plant-derived particles depends on the drill bit used. The particles should be small enough not to clog the fluid jet orifices in normal use. The slurry is pumped through to the drill bit in a warm or preferably hot state, e.g. 80-100° C. After ejection, the slurry cools rapidly, causing solidification and creating a lining on the tunnel wall.

Abstract: A down hole vibration dampener is disclosed that uses a set of polyurethane rings and steel support rings to create a shock absorber within the drill string to reduce the amount of vibration in the drill string. A splined mandrel extends longitudinally within a hollow cylindrical housing. A seal structure present between the exterior of the mandrel and the interior of the housing forms a lubricant receiving chamber. The series of polyurethane and steel rings are located in the lubricant chamber and are compressible longitudinally to absorb vibration and shock loads.

Abstract: Drilling assemblies include a drill bit and a reamer apparatus in which the drill bit is configured to rotate in rotational direction about a longitudinal axis of a drill string and the reamer apparatus is configured to rotate in an opposite rotational direction about the longitudinal axis. Methods of forming a drilling assembly include configuring a drill bit to drill a subterranean formation when rotating in a counter-clockwise direction and configuring a reamer apparatus to ream a wellbore within the subterranean formation when rotating in a clockwise direction. Methods of drilling wellbores in subterranean formations include rotating a drill bit in a first rotational direction about a longitudinal axis of a drill string to drill a wellbore and rotating a reamer apparatus in an opposite rotational direction about the longitudinal axis of the drill string to ream the wellbore.

Abstract: A method and apparatus for completing a lateral channel in a subterranean formation using a flexible hose with a waterjet that may be directed down a well casing and into a waterjet guide. The waterjet guide has a diverter assembly configured to receive and divert the flexible hose in a shortened radius. The diverter assembly includes an inlet curvature and a pivot curvature, where the pivot curvature pivots between stowed and deployed configurations in response to forces provided through a mandrel assembly communicably coupled thereto.

Abstract: A method is disclosed of connecting a first borehole to a second borehole, the boreholes being formed in an earth formation and extending at a mutual distance. The method comprises inserting a volume of hardenable fluidic material into a space in the earth formation extending between the first and second boreholes, and allowing the hardenable fluidic material to harden so as to form a body of hardened material between the first and second boreholes. At least one fluid channel is created in the body of hardened material, each fluid channel providing fluid communication between the first borehole and the second borehole.

Abstract: Drilling apparatus comprises: a body; a pilot hole-drilling assembly (14) mounted to the body for drilling a pilot hole of a first diameter; and a hole-opening assembly (16) mounted to the body for opening the pilot hole to a larger second diameter. The apparatus is configured such that the pilot hole-drilling assembly (14) will drill at a faster rate than the hole-opening assembly (16) for a given unit loading. As the pilot hole- drilling assembly (14) has the capability to drill at a faster rate than the hole-opening assembly (16), the pilot hole-drilling assembly will tend to experience relatively low weight-on-bit (WOB). The pilot hole-drilling assembly (14) will thus tend to maintain a vertical orientation. The hole-opening assembly (16) will follow the path of the pilot hole, while opening the hole to the required diameter.

Abstract: A method of manufacturing a drill bit and several embodiments of a drill bit for drilling a well in an earth formation. In one embodiment, the drill bit comprises a diamond impregnated bit body with one or more thermally stable pins embedded therein. More specifically, the drill bit may include a diamond impregnated bit body having a plurality of blades, with one or more of the blades having a cone section, a nose section, a shoulder section, and a gage section; a plurality of diamond impregnated cutters extending from the blades; and one or more thermally stable polycrystalline diamond pins embedded within, and possibly extending from, at least some of the cutters. In some embodiments, each cutter includes an embedded pin. Alternatively, the pin or pins may be located in the cone, shoulder, nose, and/or gauge sections.

Abstract: A polycrystalline diamond compact comprising a diamond table is formed in a high pressure, high temperature process using a catalyst, the catalyst being substantially removed from the entirety of the diamond table, and the diamond table attached to a supporting substrate in a subsequent high pressure, high temperature process using a binder material differing at least in part from a material of the catalyst. The binder material is permitted to penetrate substantially completely throughout the diamond table from an interface with the substrate to and including a cutting surface, and the binder material is selectively removed from a region or regions of the diamond table by a conventional technique (e.g., acid leaching). Cutting elements so formed and drill bits equipped with such cutting elements are also disclosed.

Abstract: A device that adds and removes a load of a built-in weight to and from a load measuring mechanism of a weighing apparatus built-in weight latched in a weight holder that performs a lifting and lowering operation to a fixed portion. During calibration, gas is supplied from a gas supply and exhaust portion to a bag to increase volume of the air bag. At this point, the weight holder is lowered against the repulsive force of a coil spring, and the built-in weight is latched in the load receiver, thereby performing the calibration. After the calibration, an electromagnetic valve is opened to exhaust the gas from the bag. As a result, the weight holder is lifted by the repulsive force of the coil spring, and the weighing apparatus enters a usual weighing mode.

Abstract: A modular scale in the form of a kit or a system includes a plurality of load sensors, a display unit, and a plurality of electrical communication links for electrically connecting the load sensors to the display unit. The load sensors include connectors, such as jacks, for releasably receiving a complementary plug of a cable. The other end of the cable includes another plug for releasable insertion into a complementary jack of the display unit. One of the load sensors can be a master load sensor for receiving weight data of the other load sensors, referred to as slave load sensors. The master load sensor sums the weight data provided by itself and the slave load sensors, for providing combined weight result data. The scale also includes a rigid case for carrying the various modules of the scale, the case being adapted for use as a weighing platform when opened and supported by the load sensors over a surface.

Abstract: A metal rack and a bearing platform scale with the metal rack are both disclosed. The bearing platform scale includes a bearing base, a weight sensor and two metal racks. The bearing base forms a bearing surface on a top thereof, and defines a receiving space in a bottom thereof. The weight sensor is received in the receiving space and substantially deviates from peripheral sides of the receiving space. The metal racks correspond to the receiving space for supporting the bearing base, and are overlapped vertically and parallel to each other for accommodating the weight sensor therebetween. Each metal rack includes a first post at a side of the weight sensor, and a second post at an opposite side of the weight sensor. The first post and the second post are spaced apart from each other a distance smaller than width of the receiving space.

Abstract: The presently disclosed technology teaches using a tilt-sensitive virtual marking implement to render an impression on an electronic presentation device. Further, a bearing measurement and a tilt measurement of the virtual marking implement are made with respect to the surface. The tilt and bearing are then used to vary geometry of an impression profile associated with the physical marking implement as well as an intensity of the rendering. A user may actively vary the impression profile while he or she produces strokes of the virtual marking implement across the surface without changing the physical marking implement selection or switching to a different virtual marking implement. When creating a rendering on a virtual canvas using the virtual marking implement and the surface, a user may wish to vary an orientation of the virtual marking implement so that a corresponding impression profile mimics an impression of a selected physical marking implement.

Abstract: The invention relates to a hospital bed (3) with a chassis (2), with four rollers (4) arranged on the chassis (2), and with at least one further auxiliary roller (1) that can be brought into contact with the floor or can alternatively be driven, wherein the auxiliary roller (1) is mounted on a rigid frame (5) and, together with the frame (5), can be raised or lowered relative to the chassis (2) by pivoting, wherein a drive motor (9) secured on the frame (5) is additionally provided for the auxiliary roller (1), and a separate pivot drive (23) is provided for raising and lowering the auxiliary roller (1). To advantageously design a hospital bed of this type in the manner specified at the outset, it is proposed that the separate pivot drive (23) is secured entirely on the frame (5) and pivots with the latter.

Abstract: A device for transmitting the propelling force of a wheeled vehicle integrated within a vehicle to propulsion means of the vehicle. The device comprises a frame arranged to support the wheeled vehicle and to enable the integration of the wheeled vehicle within the vehicle; rolling elements operatively in contact with the wheels of the wheeled vehicle and arranged to rotate due to friction with the wheels of the wheeled vehicle; and a mechanical transmitter arranged to deliver rotational forces from the rolling elements to the propulsion means of the vehicle.

Abstract: An electric walk-substituting vehicle includes a chassis, a seat assembly pivoted on upper ends of the connecting rods, a pivotal steering mechanism, and a folding and fixing device, which will fix the connecting rods after the seat assembly is moved to either of raised in-use and lowered not-in-use positions; the seat assembly includes connecting rods pivoted on the chassis; the folding and fixing device includes two position-limiting plates, which are secured on the connecting rods to pivot together with the connecting rods; the position-limiting plates each have first and second holes; the folding and fixing device includes a pressing and moving mechanism with two insertion rods; the insertion rods will pass into the first holes to engage the position-limiting plates after the connecting rods are pivoted to the raised in-use position; the insertion rods will pass into the second holes after the connecting rods are pivoted to the not-in-use position.

Abstract: A hybrid power output system for outputting the power to the wheel driving shaft, comprising an engine (1), a first motor (2), a second motor (3), a third motor (12), a battery (6), a first clutch (4), a second clutch (5), and a third clutch (11), wherein the first motor (2) and the second motor (3) are connected electrically with the battery (6), and the third motor (12) is connected electrically with the battery or another battery; the engine (1) is connected to the first motor (2) via the first clutch (4), and connected to the third motor (12) via the third clutch (11); the first motor (2) is connected to the second motor (3) via the second clutch (5), and the second motor is connected to a wheel driving shaft (8). The hybrid power output system can reduce the response time of the vehicle, perfect its power performance, save the space and reduce the cost as well.

Abstract: A battery charging system useful for use in a hybrid or an all electric vehicle. The system includes a computer that controls all the multiple generators in the vehicle. The generators are driven by all four wheels of the vehicle plus a small gasoline engine from time to time. The system takes advantage of the brake rotor discs by driving a generator by each of the brake discs in direct contact therewith or by induction. The charging system could also be operated from a disc that is driven from an axle of the vehicle. In this case the extra disc would be mounted onto the axle by way of a housing. The computer controls the charge of the main battery but also could provide charging electricity to an independent battery that is in a standby mode. In this manner very little or no fossil fuel is being consumed by the vehicle no matter what the speed it is being operated at.

Abstract: A cool air plenum for use with an engine air intake system of a utility vehicle. The plenum prevents airflow from an engine to the air intake system.

Abstract: A material handling vehicle includes a cyclonic motor cooling system for a motor compartment that accommodates an ergonomically designed operator compartment. Together, the motor compartment and cyclonic motor cooling system include a generally cylindrical housing with a tangentially arranged cooling air injection port at a lower end and exhaust port at a radially and axially opposite end. An air blower directs cooling air into the compartment where a cyclonic cooling air flow and a vortex cooling flow is produced. The cyclonic air flow cools more effectively than conventional linear air flow while also reducing dust contamination and buildup of the motors in the motor compartment.

Abstract: A system for swappable battery pack for electric vehicle is disclosed. Each battery pack units is comprising a battery compartment housing, a battery carrier rack which is slidable within the battery compartment housing via at least one linear actuator. The battery carrier rack also contains a plurality of modulated battery packs nested into its docking enclosures. In order to transfer or swap the modulated battery packs, the slidable battery carrier rack must projects out from its compartment in predetermined direction and distance and then the nested modulated battery packs can easily be detached from its docking enclosures.

Abstract: The creative product relating to a “power bicycle's dual-drive device”, which contains a pedal-driven part, a motor-driven part, a gearing mechanism, and a controller; the electric motor axis of the motor-driven part has a drive-gear and the relay-gear, the first and second transmission member connect the gear plate with the relay-gear and the drive gear with the transmission gear disc respectively, through the dual-drive device, either alone or mixed selection; by the driven pedal to control the electric driven motor and to drive the driven gear for operation, to produce large torque output in order to drive the transmission gear disc, to correspond with the transmission to control the second transmission member to the transmission gear disc of different outside diameters for changing the gear, for satisfying the riders to choice their own mode of laborsaving or exercise demand in different terrains.

Abstract: A vehicle shroud can have an opening formed so as to extend in a substantially front-to-rear direction. A substantially horizontal portion of a front fender of the vehicle can be located frontward of the opening. The vehicle can be a motorcycle, for example.

Abstract: A vehicle shroud can include a frontward portion, an intermediate portion, and a rearward portion. The vehicle shroud can have formed therein at least one opening extending in a substantially front-to-rear direction. A substantially horizontal portion of a front fender of the vehicle can be located frontward of, and be substantially aligned with, the opening. The vehicle can be a motorcycle, for example.

Abstract: A vehicle shroud can include a front projection, a middle projection and a rear projection. In a side view of the vehicle shroud, the front projection can be approximately wedge-shaped, and the middle projection can extend downward.

Abstract: A four-wheel drive vehicle includes a crankshaft that obtains the power of the engine. The rotation driving force of the crankshaft is transmitted to a secondary shaft through a belt type continuously variable transmission. The rotation driving force of the secondary shaft is transmitted to a rear wheel by a second drive shaft. A cam chain is arranged between the crank web of the crankshaft and the driving pulley of the belt type continuously variable transmission. The second drive shaft is arranged between the crank web and the driving pulley and under the cam chain. The second drive shaft is arranged to at least partly overlap the rotation trajectory C1 of the driving pulley when seen in a side view.

Abstract: A highly maneuverable hybrid motor vehicle (10) a passive safety of which is enhanced by the utilization of two independent modules. This vehicle comprises a chassis (11), a body (12) mounted on this chassis, two steered wheels (17, 27) and two driven wheels (17, 27). The chassis (11) supports a front driving and steering unit (13) and a rear driving and steering unit (14). Each driving and steering unit (13, 14) is provided with a supporting member (15, 25) that forms an independent module. This supporting member is constructed so as to support a motor (16, 26) and a wheel (17, 27) which is driven by the motor and articulated with respect to the chassis (11).

Abstract: A compact, low profile omnidirectional drive and steering unit that, in one embodiment, utilizes a single, centrally located wheel, mounted on a drive shaft, upon which is also mounted a tapered pinion gear. The pinion gear on the drive shaft meshes with a ring shaped beveled worm gear contained within the outer housing of the gear unit that surrounds the centrally located wheel. At one side of the outer housing is a worm drive that meshes with the ring shaped and beveled worm gear. Rotation of the worm drive causes rotation of the ring shaped worm gear, which causes the drive shaft mounted pinion gear to turn, which turns the drive wheel to provide driving power for whatever vehicle or system of which the unit is a part. A steering and timing gear is mounted on the lower surface of the unit to provide steering capability.

Abstract: A clutch includes an automatic play adjusting mechanism interposed between a pressure plate and a pull rod, to allow movement of the pressure plate relative to the pull rod in a clutch axial direction in a clutch connected state, and to restrict the movement of the pressure plate relative to the pull rod in the clutch axial direction when the pull rod moves more than a prescribed play amount in the clutch axial direction. As a result, the clutch can restrict the shift of a touch point caused by thermal expansion or wear, and the play amount of the clutch can be adjusted automatically.

Abstract: A vehicle auxiliary power unit includes a turbine to provide a turbine output, a fuel-fired burner that provides a heat source for the turbine, and a heat exchanger that receives the turbine output. The heat exchanger generates a heat exchanger output to produce a predetermined output condition such as heating/cooling a cabin compartment, heating an exhaust component to a desired temperature, and/or heating an engine block, for example.

Abstract: In an electric power steering apparatus, a worm gear is structured such that a leading end of a leading end shaft of the worm gear is always pressed and supported by a part in a peripheral direction of a diameter enlarged inner diameter portion of a collar which is urged by an elastically urging body, and is always urged toward a side coming close to a center shaft of a worm wheel.

Abstract: A rotational angle sensor used in an electric power steering apparatus detects a rotational angle of a motor shaft at a portion on a steering system side, as a motor rotational angle (?m). A MPU sets a base correction amount (???m) based on a q-axis actual current value (Iq). The MPU sets a rotational angle correction amount (??m) used to correct the motor rotational angle (?m) by decreasing the base correction amount (???m) as a rotational angular speed (?) increases and by increasing the base correction amount (???m) as a torque differential value (dT/dt) increases.

Abstract: A mounting panel for attaching a projection device to an overhead structure or standard grid ceiling includes a mounting panel attachable to a projection device and to a number of accessories. The mounting panel is attachable to a plurality of speakers, an amplifier, and a power rough in, creating one ceiling installed video projection device. The mounting panel for attaching a projection device reduces installation work in a standard grid ceiling and provides a pleasant appearance for the projector and accessories.

Abstract: The present invention is an apparatus and method for climbing, and more particularly but not by way of limitation an apparatus and method for ascending and descending a rope, for use by individuals with disabilities. The method and apparatus generally includes a combination of devices and a combination of steps which enables an individual climber to ascend and descend a rope while benefiting from the mechanical advantage of a rope assembly.

Abstract: A load monitoring system for a mobile work platform includes a load cell (12) having at least one strain gauge (16) and a sensing circuit (14) connected to receive a strain signal from the strain gauge. The sensing circuit (14) includes a first sensing device (24) for sensing the strain in the strain gauge (16), and a second sensing device (26) for sensing a negative shift in the strain signal.

Abstract: An upper shackle assembly for a steel pump jack for a wood pole includes a u-shaped shackle component to receive the wood pole. The assembly includes a crank handle that extends through the shackle component and engages the pole to lower the pump jack down the pole. The assembly includes a brake attached to the shackle component to engage with the pole if the crank handle fails. A method for installing a steel pump jack to a wood pole includes the steps of placing a u-shaped shackle component about the wood pole. There is the step of closing a brake with the shackle component to engage with the pole if a crank handle fails. There is the step of extending the crank handle through the shackle component to engage the pole. A steel pump jack.

Abstract: There is disclosed herein a descent device (10) comprising a hollow spool (12) rotatable about a rotational axis (14) and a lifeline, in the form of a braided steel cable (not shown), wound about the spool (12). A centrifugal brake mechanism (18) including a brake assembly, comprising a pair of brake shoes (20) and associated brake pads (21), is engageable with the spool (12) to apply a braking force to the spool (12) as the spool (12) rotates. Biasing members, in the form of a compression springs (22), extend between the brake shoes (20) for biasing the brake shoes (20) and pads (21) into engagement with the spool (12).

Abstract: The invention relates to an oil pan (6) for an internal combustion engine transmission unit (1) comprising an oil pan housing (7) and a carrier flange, by way of which the oil pan housing is to be connected to the transmission housing (5) of the transmission. The carrier flange (4) is affixed to the transmission housing (5), and is connected to the oil pan housing (7) via a detachable connecting unit, wherein the connecting unit can be released or locked for the assembly and disassembly of the oil pan housing between the oil pan housing (7) and the carrier flange (9) regardless of the disassembly of the carrier flange from the transmission housing.

Abstract: An upright for a lift truck includes a first group of mast sections in a first stagger arrangement where a first mast section of the first group of mast sections is fixed to the lift truck. The upright further includes a second group of mast sections in a second stagger arrangement that is reverse nested inside the first stagger arrangement. Further, the upright includes a drive system for telescopingly extending and retracting the second mast sections relative to the first mast section.

Abstract: A carpet pole carriage assembly for a lift truck includes a carriage having a front plate and a back plate. The front plate includes a carpet pole receiving opening. A carpet pole retainer is carried on the carriage. A carpet pole retainer includes a first section secured to the front plate about the carpet pole receiving opening and a second section secured to the back plate.

Abstract: An elevator car assembly includes a car frame, a car connected to the car frame and having a first guide axis between a first side and a second side of the car frame, a plurality of traction members, a first plurality of sheaves rotatably connected to the car frame between the first side and the second side for respectively receiving the plurality of traction members, and a first guide attached to either the car frame or the car below the first plurality of sheaves for movably engaging a first rail. The first guide is aligned with the first guide axis and is configured to be aligned with the first rail. One of the plurality of traction members and the first guide are vertically aligned at the first guide axis.

Abstract: Elevator, which comprises an elevator car, at least one traction sheave, at least two motors for rotating one or more traction sheaves, an elevator shaft or similar, a machine room or similar space, and hoisting roping. The elevator comprises a first motor in the machine room or similar, which is on a first level in the vertical direction, and a second motor, which is on a second level in the vertical direction, which second level is essentially higher in the vertical direction than the first level.

Abstract: An apparatus for hybrid piston bushing sleeve assembly for an aircraft brake assembly includes a composite body; and a sacrificial sleeve coupled to said composite body, wherein the sacrificial sleeve is replaceable.

Abstract: The invention relates to a braking control system for automotive vehicles comprising a braking control member (1), a brake booster (4) and a brake master cylinder (5). The system of the invention further comprises a simulator (3) coupled pneumatically to the piston (42) of the brake booster (4). Said simulator (3) receives at least one braking command from the braking control member (1) and makes it possible to establish, in return, a difference in pressure between the front chamber (40) and the rear chamber (41) of the brake booster so as to control the displacement of the piston (42).

Abstract: A brake shoe for holding a brake pad of a bicycle brake assembly has opposed first brake shoe undercuts at a first end portion of the brake shoe and opposed second brake shoe undercuts at a second end portion of the brake shoe. A slot is defined between the opposed first brake shoe undercuts and a slot is defined between the opposed second brake shoe undercuts. An edge wall is connected to all of the undercuts and a sidewall is connected to the edge wall. A brake pad receiving channel extends along the length of the brake shoe between the sidewall and all of the brake shoe undercuts. A brake pad insertion passage jointly intersecting the slot defined between the opposed first brake shoe undercuts and the slot defined between the opposed second brake shoe undercuts.

Abstract: An advanced triple piston damper (ATPD), comprises of three pistons (1), (2) and (3) working in relation, characterizes that the piston set is designed to work as a damper for a pull-type shock absorber having three pistons performable at slow, intermediate, and high stroking speed. The respond of the shock absorber of the present invention is, therefore, much better than any gas type shock absorber of the prior art. In addition, the leakage problem is also avoided.

Abstract: The invention relates to a damping apparatus having a through-hole for an anchor (2) and having a damping element (11). In order to provide an improved damping apparatus (1) which can damp a wide spectrum of dynamic loads but which undergoes only insignificant deformation under working load, it is proposed that the damping apparatus (1) have a dissipation element (6) which, until a maximum relative force between the anchor (2) and a fastened article (12) fastened by the anchor (2) is exceeded, is elastically deformable and, after the maximum relative force has been exceeded, is elastically-plastically or plastically deformable.

Abstract: An electrostatic device for damping a mechanical vibration movement of a moving object, the moving object being made of an electrically conductive material, the movement of the moving object having at least one parasitic vibration mode of frequency fp to be damped, the device comprising an electrode ELE forming, with the moving object, a gap of capacitance C voltage-biased with a DC voltage V0 by a biasing circuit, the biasing circuit comprising, electrically connected in series with the electrode ELE: a load resistance R; possibly an inductance L; a parasitic capacitance Cp, characterized in that the biasing circuit further includes an electronic compensating device DEC having an impedance Zeq, which comprises a capacitance component Ceq, a resistance component Req, and possibly an inductance component Leq.