Abstract: A turbofan text cell pre-dressing unit that enables the installation of the engine in a text cell in minimal time is provided.

Abstract: A tire pressure sensor including a body, a sealing member and a circuit and signal transmission apparatus is provided. The body includes a first casing, a first hole, a receiving portion and a second casing. The receiving portion connects with the first hole passing through the first casing. The sealing member includes a second hole that is set through the rubber component of and communicates with the first hole. The sealing member is located in the receiving portion. The circuit and signal transmission apparatus includes a circuit apparatus and a hole. The hole positioned on the surface of the circuit apparatus communicates with the first hole and second hole to form an air seal channel. The air pressure of the tire is injected through the air seal channel into the hole, and the tire pressure sensor can detect the pressure and temperature of the air of the tire.

Abstract: A miniature pressure sensor assembly is provided for fitting within the valve stem of a vehicle tire. The pressure sensor assembly typically includes a reference device for temperature compensation and a measurement device for pressure measurement. Each device includes a substrate assembly defining a plurality of holes. A deflectable membrane is mounted to the substrate assembly to define a first chamber. A cap is mounted to the membrane to form a second chamber.

Abstract: This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Quickly obtaining accurate formation property data, including formation fluid pressure, is vital to beneficially describing the various formations being intersected. For example, methods are disclosed for collecting numerous property values with a minimum of downhole tools, correcting and calibrating downhole measurements and sensors, and developing complete formation predictors and models by acquiring a diverse set of direct formation measurements, such as formation fluid pressure and temperature. Also disclosed are various methods of using of accurately and quickly obtained formation property data.

Abstract: Evanescent waveguide sensors for measuring and determining the composition of wellbore fluids in situ are provided. The waveguides are provided on substrates have a thickness and strength sufficient to withstand wellbore pressures and a sufficient surface area to allow for broad range measuring of the wellbore characteristics. The optical sensors facilitate determination of the wellbore fluid composition without requiring in-tool sampling of the wellbore fluid.

Abstract: In a particular embodiment, a method and system are disclosed for measuring ion concentrations for a fluid and determining a degree of sample cleanup during sampling of a fluid downhole. The method includes but is not limited to deploying an ion selective sensor downhole, exposing the fluid to the ion selective sensor downhole, measuring ion concentrations of the fluid over time during sampling and estimating a degree of sample clean up from the ion concentration measurements. The system includes but is not limited to a tool deployed in a wellbore, an ion selective sensor in the tool, a processor in communication with the ion selective sensor and a memory for storing an output from the ion selective sensor.

Abstract: A flow rate measuring device has a flow channel including: a pair of first and second centrifugal chambers each having a curved wall surface; a first guiding flow channel allowing a first secondary flow channel to communicate with one end of the wall surface of the first centrifugal chamber; an intermediate flow channel allowing the other end of the wall surface of the first centrifugal chamber to communicate with one end of the wall surface of the second centrifugal chamber; a second guiding flow channel allowing the other end of the wall surface of the second centrifugal chamber to communicate with a second secondary flow channel; a first flow dividing channel communicating with the first centrifugal chamber a second flow dividing channel communicating with the second centrifugal chamber; and a detection space portion, in which a detection element is placed.

Abstract: A fluid level measuring gauge for accurately measuring and reading a fluid level in a fluid level access chamber having one or more bends and interior chamfered shoulder zones, the fluid level measuring gauge including an elongate blade having an upper and lower portion where the upper and lower portions of the fluid level measuring gauge are in a constant twist formation for creating a nonwiping motion during insertion of the fluid level measuring gauge into and out of a fluid gauge access chamber, a flat shaped measuring region, including an upper port and a lower port in an up and down direction on the measuring region, a handle attached to the blade for controlled insertion and removal of the fluid level measuring gauge, and a spherical chamfer advancing guide affixed to the leading end of the elongate blade, opposite the handle.

Abstract: A technique that is usable with a well includes disposing a distributed temperature sensor in a conduit that traverses a region of the well. The region contains at least two different well fluid layers. The technique includes circulating a fluid through the conduit and using the distributed temperature sensor to observe at least one temperature versus depth profile of the fluid. Based on the observation, the depth of a boundary of at least one of the well fluid layers is determined.

Abstract: A device for measuring the level of liquid is disclosed.

Abstract: The invention relates to measuring devices used in measuring angular velocity, and, more precisely, to vibrating micromechanical sensors of angular velocity. In the solution for a sensor of angular velocity according to the invention, a mass is suspended by means of spring structures having non-orthogonal primary and secondary axes such, that a test activation in phase with the primary motion is induced in a detection resonator, and the angular velocity to be measured is, by means of a phase detector, detected from the phase difference between the primary motion and the secondary motion. The structure of the sensor of angular velocity according to the invention enables reliable measuring with good performance, particularly in small vibrating micromechanical solutions for a sensor of angular velocity.

Abstract: An angular velocity detection apparatus includes: a sensor unit having first and second detection axes serving as angular velocity detection axes, the first and second detection axes intersecting each other; a sensor output correction circuit for making at least one of an offset adjustment and a sensitivity adjustment to a detection output of an angular velocity around the first detection axis and a detection output of an angular velocity around the second detection axis; a sign determination circuit for obtaining a sign of a rotational direction of an angular velocity on any one of the first and second detection axes; and an amplitude calculation circuit for multiplying a square sum average of detection outputs of angular velocities around the first and second detection axes outputted by the sensor output correction circuit and a sign outputted by the sign determination circuit.

Abstract: In a sensing unit according to the present invention, a movable portion of a spring portion is supported floatably above a recessed portion formed in a substrate. Thus, the movable portion is capable of oscillating in any direction parallel to the substrate surface. Moreover, the movable portion is capable of oscillating in the thickness direction of the substrate such that the amplitude of a center side end portion thereof reaches a maximum. A sensor portion is provided on the movable portion. As a result, the sensing unit according to the present invention has a higher degree of freedom in terms of the measurement direction than a conventional sensing unit that oscillates in only one direction.

Abstract: A system and method in accordance with the present invention provides for a low cost, bulk micromachined accelerometer integrated with electronics. The accelerometer can also be integrated with rate sensors that operate in a vacuum environment. The quality factor of the resonances is suppressed by adding dampers. Acceleration sensing in each axis is achieved by separate structures where the motion of the proof mass affects the value of sense capacitors differentially. Two structures are used per axis to enable full bridge measurements to further reduce the mechanical noise, immunity to power supply changes and cross axis coupling. To reduce the sensitivity to packaging and temperature changes, each mechanical structure is anchored to a single anchor pillar bonded to the top cover.

Abstract: This invention relates to a resonant device with detection in the piezo-resistive plane made using surface technologies on a bulk, which comprises a resonator connected to this bulk by at least one embedded portion, means of exciting this resonator and detection means comprising at least one suspended beam type strain gauge made from piezo-resistive material, in which each strain gauge has a common plane with the resonator, and is connected to this resonator at a point situated outside of this at least one embedded portion to increase the stress observed by this strain gauge.

Abstract: Devices usable as sensors, as transducers, or as both sensors and transducers include one or more nanotubes or nanowires. In some embodiments, the devices may each include a plurality of sensor/transducer devices carried by a common substrate. The sensor/transducer devices may be individually operable, and may exhibit a plurality of resonant frequencies to enhance the operable frequency bandwidth of the devices. Sensor/transducer devices include one or more elements configured to alter a resonant frequency of a nanotube. Such elements may be selectively and individually actuable. Methods for sensing mechanical displacements and vibrations include monitoring an electrical characteristic of a nanotube. Methods for generating mechanical displacements and vibrations include using an electrical signal to induce mechanical displacements or vibrations in one or more nanotubes.

Abstract: The present invention is a mechanical oscillator for detection and measurement of corrosive or foreign materials. The elements include a means for mechanical excitation, and a mechanical oscillator, wherein said mechanical oscillator has a resonant frequency, f, and a quality factor, Q. A fuse fixed to the oscillator to change oscillator amplitude to or from essentially zero to resonance amplitude. In a preferred embodiment, the mechanical oscillator has the shape of a tuning fork where one region is compatible with the service fluid and the other region is incompatible with the service fluid or other contaminant. The sensor alarms when a measured amount of the incompatible material has been removed or the physical strength of the material has been compromised.

Abstract: An impact elastic wave test is conducted to measure propagating waves in a pipe to be examined, a frequency spectrum of the propagating waves is analyzed, and at least a spectral area value in a first frequency region and a spectral area value in a second frequency region of the frequency spectrum are evaluated, thereby determining a type of a deteriorated state of the buried pipe.

Abstract: The present invention provides a sensing device for obtaining information of a test sample using an electromagnetic wave including a frequency region within a frequency region of 30 GHz to 30 THz, the sensing device comprising an electromagnetic wave transmitting portion including a plurality of transmission portions (4a, 4b) for propagating electromagnetic waves and detection portions (3a, 3c) for receiving and detecting the electromagnetic waves from the plurality of transmission portions (4a, 4b), in which at least one of the plurality of transmission portions (4a, 4b) is constructed such that the test sample (5, 6) can be placed in a portion affected by an electromagnetic wave propagating therethrough.

Abstract: The present invention relates to a flaw detector imaging apparatus for detecting and visualizing a flaw in a target material to be investigated, comprising an ultrasonic phase-array probe comprising an array of ultrasonic transducers and a flaw detector. The flaw detector includes at least one trigger channel to trigger ultrasonic emitting transducers of the array at respective time delays to produce an ultrasonic beam propagating through the target material, and a single receiver channel to receive echo signals produced by ultrasonic receiving transducers of the array in response to ultrasonic wave echoes reflected from a flaw in the target material. The single receiver channel comprises a delay circuit imparting to the received echo signals the respective time delays as used in the triggering of the ultrasonic emitting transducers and a combiner of the delayed echo signals.

Abstract: A non-destructive inspection method, apparatus and system are provided for inspecting a workpiece having a curved surface with at least one predefined radius of curvature. The apparatus, such as an inspection probe, includes a plurality of transducer elements positioned in an arcuate configuration having a predefined radius of curvature and a curved delay line. The curved delay line has an outer arcuate surface having a predefined radius of curvature that matches the predefined radius of curvature of the transducer elements. The curved delay line also has an inner arcuate surface that has at least one predefined radius of curvature that matches the at least one predefined radius of curvature of the curved surface of the workpiece. In addition to the inspection probe, the system includes an excitative source for triggering the transducer elements to emit signals into the workpiece and a computing device to receive the return signals.

Abstract: A device and system to remotely detect vocalizations of speech. The skin located on the throat region of a speaking person or a reflective layer on the skin on the throat region vibrates in response to vocalizations of speech by the person. The vibrating skin or reflective layer is reflective of impinging radiation. A laser Doppler vibrometer transmits radiation onto the vibrating skin or the covering reflective layer and receives reflected radiation from the vibrating skin or reflective layer. The laser Doppler vibrometer generates voltage output signals that are representative of the speech causing the vibrations. A target tracker directs the impinging radiation and detects the reflected radiation to pass between the throat region and the laser Doppler vibrometer and includes a processor that removes non-speech signal artifacts from the voltage output signals. An interconnected audio speaker reproduces the speech from the voltage output signals.

Abstract: The invention relates to a pressure sensor capable of measuring pressure accurately, and more particularly, to a pressure sensor comprising a box-shaped magnet, optionally having an inclined upper surface with a right side portion protruding higher than a left side portion, wherein the magnet is configured to radiate linear magnetic flux density in response to a change in distance along a straight line spaced uniformly apart from an N or S pole surface, whereby the pressure sensor can accurately detect a displacement in distance (position) and thus a pressure difference based on the displacement. The pressure sensor further includes a pipe connecting negative and positive pressures, a diaphragm movable in response to a difference between negative and positive pressures, a diaphragm support attached to a side of the diaphragm, a magnet attached to the diaphragm support to radiate linear magnetic flux density, a spring supporting the magnet, and the diaphragm and upper and lower cases housing these components.

Abstract: A tightening method yielding a precise control of the resulting clamping force, in which the tightening operation is performed in two steps, and the stress level is always kept within the limits of the elastic portion of the stress×strain curve. The method employs a single or multi-spindle power wrench controlled by a computer, provided with measuring means for the precise sensing of applied torque and turn angle in real time. The method comprises in a preferred embodiment a first and a second tightening operations, the data collected during the first operation being inputted to the computer which calculates the amount of torque to be applied to the fastener in the second and final tightening operation according to an algorithm which also comprises checking steps to ascertain that the results fall within the preset values, tolerances and scatter limits.

Abstract: A device and method for measuring snap member detaching force, the snap member detaching force measurement device includes a cloth holding unit for holding cloth on the periphery of the snap member attached to the cloth; a snap chucking unit for chucking the snap member from its side portion by a plurality of chucking portions of the unit; a torque gauge for applying torque to the snap member chucked by the chucking portions; a tension unit for relatively pulling the snap member from the cloth; and a tensile force gauge for measuring tensile force provided by the tension unit. The snap chucking unit includes turning arms which can lock, with constant chucking force, the state of the snap member chucked by the chucking portions.

Abstract: Shear test apparatus for gold and solder balls of a semi-conductor substrate comprises a support element (21) on which is provided a piezo electric crystal (24) in the direct shear load path. The crystal (24) may have a shield (25). The interface between shield and crystal, and crystal and support element may include an epoxy resin layer to distribute force and retain the components as a unit.

Abstract: A vortex flowmeter is disclosed, which includes, among other features, a closed measuring tube, through which a flowable medium that is to be quantitatively measured flows, the medium flowing against a disturbing element that is arranged in the measuring tube. A vibration sensor is arranged downstream in the direction of flow detecting the vortex frequency generated by the disturbing element. An electronic evaluation unit is disposed downstream of the vibration sensor converting it into an electric signal corresponding to the quantitative flow rate or volumetric flow rate. The relative position can be changed between the measuring tube and the disturbing element and/or the measuring tube and the vibration sensor in a signal-optimizing manner.

Abstract: A microfluidic device for assessing properties of a fluid. The device utilizes a microtube capable of different vibration modes for promoting certain performance and/or structural aspects of the device. The microtube is supported by a base so as to be spaced apart from a substrate surface. The microtube has a peripheral portion surrounding the base, arms supporting the peripheral portion from the base, and a continuous internal microchannel having at least first and second microchannel portions. Each microchannel portion defines a separate flow route, and each flow route originates at the base, continues through a portion of the peripheral portion, and returns to the base. The first and second microchannel portions are fluidically connected to inlet and outlet ports, respectively, within the base. Vibration of the microtube is induced and sensed by driving and sensing elements. Fluid properties are determined from outputs of the sensing elements.

Abstract: A torque measurement apparatus includes a torque sensor that detects an output torque of a measuring object, a rotation mechanism that holds the torque sensor and rotates the torque sensor, and a controller that controls the rotation mechanism so as to change a rotational angle of the torque sensor. The torque measurement apparatus can automatically and accurately measure the output torque at every rotational angle of the measuring object.

Abstract: This magnetostrictive torque sensor 10 includes a rotating shaft 11 used to rotate according to an input torque and provided with magnetostrictive films 14A and 14B, an excitation coil 12 configured to apply an alternating magnetic field 31 to the magnetostrictive film, and detection coils 13A and 13B each of which detects a change in the magnetic characteristic of an associated one of the magnetostrictive films.

Abstract: A position sensor, which can detect a steering column twist of a first magnetic rotoric structure including a plurality of radially oriented magnets and a second statoric structure including two concentric gear rings extended by radially oriented teeth. The rotoric structure is substantially disc-shaped and includes a ferromagnetic head supporting the plurality of magnets, the statoric structures are provided with interleaving teeth and the position sensor includes a third collector structure including two flow closing parts, one of which is fixed, and which define at least one air gap in which at least one magnetosensitive element is arranged.

Abstract: A force or pressure sensor and appertaining method for manufacturing are provided in which the sensor comprises a repeating conductive trace pattern that can be replicated to produce a consistent conductive trace across more than one adjacent pattern section forming an electrical bus, wherein more than one section of a series of conductive traces are printed on a thin and flexible dielectric backing using the pattern. The thin and flexible dielectric backing has a repeated pattern of conductive traces printed above the dielectric backing and one or more dielectric layers provided above the conductive traces, the dielectric layers having access regions permitting contact of conductors above the one or more dielectric layers, and a sensor conductor layer printed above the one or more dielectric layers that contacts the conductive traces via at least one of the access regions or regions not covered by the one or more dielectric layers.

Abstract: An aerodynamic sampler for sampling particles from a surface or a flowing gas stream is provided. The sampler can include an arcuate-shaped shroud having a first opening and a second opening, the first opening being directed in a first direction and the second opening oppositely disposed and spaced apart from the first opening. A gas nozzle having at least one gas outlet directed generally in the first direction can be included and may or may not be located at least partially within the shroud. The gas nozzle is operable to supply a gas jet to a surface that is proximate the first opening of the shroud. In addition, a suction device operable to pull or suck the gas proximate the first opening through the second opening and afford for the gas to enter a detector is provided. The arcuate-shaped shroud can be a bell-shaped shroud with the first opening located at a bottom of the bell-shape.

Abstract: The invention relates to a sample chamber of plastics with at least one receiving area for receiving a liquid, wherein the sample chamber comprises a hydrophilic and/or an oleophobic layer in a predetermined surface area.

Abstract: A testing system for a power supply (40) includes a testing chamber (10), a control switch, an electrical load (50), an AC source (60), and a PLC (30). The power supply has a voltage choice switch. The testing chamber receives the power supply therein. The testing chamber provides a first or a second ambient temperature and supplies a testing environment for the power supply. The control switch switches the power supply to operate between a standby state and an operational state. The electrical load is connected to the power supply. The AC source is connected to the power supply. The AC source outputs the first voltage or the second voltage to the power supply. The PLC controls switching states of the voltage choice switch and the control switch in a manner such that the power supply selectively operates in one of combined switching states of the voltage choice switch and the control switch.

Abstract: A system for testing a mechanical input device of a wireless telecommunication device is provided, where the system comprises a pressure air regulator comprising: a receive unit comprising an inlet aperture and a first contact surface with at least one exit aperture connected to the inlet aperture; a distribution unit rotatably pivoted relative to the receive unit, the distribution unit comprising a second contact surface, which contacts the first contact surface and comprises at least two entrance apertures located at a rotational trajectory of the at least one exit aperture. The distribution unit further comprises at least two distribution apertures, each connected to an entrance aperture, thus providing pressure air when the entrance aperture overlaps with the exit aperture.

Abstract: The disclosure relates to a method for testing the functionality of armatures, e.g., of safety armatures, in process control systems which are assigned a test device for implementing partial stroke testing and which are connected to a control device, which brings about actuation, in accordance with regulations, of the safety armature in an emergency. Prior to the start of the implementation of the partial stroke testing, a request signal is transmitted from the test device to the control device which is answered by the control device with an enable signal, the enable signal being issued as a function of the current process sequence at the armature.

Abstract: Apparatus (2) for sensing parameters, which apparatus (2) comprises a housing (4), a plurality of sockets (6) in the housing (4), a sensor (8) in each of the sockets (6), first electrical contacts (10) on the sensor (8), and second electrical contacts (12) in each socket (6) at an end of the socket (6) remote from the sensor (8), and the apparatus (2) being such that: (i) the sensors (8) are for sensing different parameters; (ii) the sockets (6) are such that when they contain their sensors (8) then the sockets (6) are sealed from each other whereby a liquid caused to be present in a socket (6) consequent upon an operator error is unable to pass to the other sockets (6); (iii) the second electrical contacts (12) define the type of sensor (8) that is appropriate for each socket (6); and (iv) the sensors (8) each comprise a flat sensor part (14), a transversely extending mounting part (16), and a body part (18), the transversely extending mounting part (16) being located in a bore in the body part (18), and the

Abstract: The invention concerns a device for transforming alternating rectilinear motion into intermittent rotary motion, in particular for the command of indexed rotary tables. It comprises at least one fixed base element (11) with cam guide means (14), a moving slide element (12) associated with the fixed element, equipped with mechanical locator means (15) following said cam guide means (14) and susceptible to alternating movements on and with respect to said fixed base element commanded by an actuator, and an index plate (13) rotatably associated with the fixed element, interacting mechanically with the moving slide element (12) and susceptible to angular rotation pitch in answer to the alternating movements of said moving slide element. The index plate is connected to an indexed rotary table to be commanded.

Abstract: The invention provides a transmission of a vehicle which can smoothly execute shift-up and shift-down operations. The transmission is provided with change gears, a shift member, a change drum, a change shaft rotationally operated at a predetermined angle by a rider, and a change operation force transmitting mechanism transmitting the rotation of the change shaft to the change drum.

Abstract: The actuator for a motor vehicle has an electric motor driving an output shaft and a gear comprising a worm, a spindle nut and a spindle. The worm is rotatably connected to the output shaft. The spindle nut comprises a worm gear that engages the worm and also a spindle thread that engages the spindle. The worm has a worm axis and the spindle nut has a spindle nut axis. The worm axis and the spindle nut axis draw an angle alpha of between about 85° and about 5° and, in one embodiment, between about 70° and about 40°.

Abstract: Engine synchronization apparatus and system for multi-engine vehicles such as boats and aircraft providing limited authority throttle cable trim effected by an apparatus interposed between the throttle plate and throttle cable of a slave engine and mounted in a floating configuration. An actuator is mounted to the apparatus to trim the distance between the throttle plate and throttle cable attachment thereby trimming the throttle cable. A system is provided in which a difference signal derived from master and slave engine tachometer signals is used to control the actuator and synchronize the engines within a predetermined range.

Abstract: In a shifting claw transmission for a motor vehicle including a main shaft and a countershaft and an electric motor for rotating the countershaft or being rotated thereby with freely rotatable gear wheels supported on the counter shaft and engageable with the countershaft by claw engagement structures, the speed of the countershaft is adjustable by the electric motor to be close to, but somewhat different from, the speed of the freely rotatable gear wheels to be engaged in order to facilitate shifting but avoid a tooth-on-tooth problem which would inhibit shifting.

Abstract: A method for designing a pole piece for a power assist steering system, includes: selecting a number of teeth, k, for the pole piece where k=n/2 and n represents an even number of poles; and selecting a ratio between an angle made by an inner tooth tip and an outer tooth tip, ?tp, and an angle made by a magnet pole width, ?mp, to provide a desired torque function for the steering system.

Abstract: A drive arrangement for a motor vehicle, in particular for a low-floor bus (31) with a rear axle (33) and having a drive motor (34) positioned transverse to the direction of travel (X) and integrally built-in to a rear section (32) of the low-floor bus. The motor, via the gear train, is connection with a first, motor-sided bevel gear stage (36) and a second, axle-sided bevel gear stage (38) leading to a driving connection with the rear axle. The motor-sided bevel gear stage possesses an input driving bevel gear (36a) aligned co-axially to a transversely positioned motor shaft (34a), which is in meshed gear engagement (36a/b) with an output driving bevel gear (36b). The meshed gear engagement is placed behind the motor shaft when seen in the direction of travel (X).

Abstract: A roller transmission and gearing mechanism with a driving body, roller means and a driven body, wherein the driving body is coupled to the driven body by means of the roller means, the bodies are guided with a single degree of freedom, and define respective roller guide tracks thereon, the tracks contact the roller means and determine the movement of the roller means, which contact the roller guide tracks along rolling curves, the roller guide tracks start and terminate at respective pairs of limit surfaces, and the roles of the driving and driven bodies can be interchanged, furthermore the distances between points of the rolling curve on the driving body and on the driven body are different, the rolling means move with pure rolling motion, and for all contacting point-pairs on the rolling curves the respective tangential planes are parallel to each other, the velocities of the contacting pairs of points are identical but have opposite signs, in the contacting points the action lines of forces intersect the

Abstract: A reduction gear is provided. The reduction gear includes: a worm made of a metal; and a worm wheel having gear teeth engaged with the worm, wherein at least the gear teeth of the worm wheel are made of a synthetic resin containing reinforcing fibers, and wherein an engagement surface of the gear teeth is so processed that a containing ratio of the reinforcing fibers of a surface layer is lower than that of the reinforcing fiber of an inner portion. By improving initial acquaintanceship of the engagement surface of the teeth gear of the worm wheel, it is possible to increase a durability-allowable transmission tongue. In addition, by reducing a friction of the worm, it is possible to provide a reduction gear with the worm having a lengthened lifetime.

Abstract: A robotic manipulator device includes a robotic linkage to rotate an insertion axis about a remote center of motion with two degrees of freedom. A driven link supports the insertion axis. Rigid links in a parallelogram arrangement constrain the driven link to move in parallel to a drive link and the insertion axis to rotate about the remote center of motion. A drive unit has an output shaft coupled to the drive link. Rotation of an input shaft causes the output shaft to rotate. The input and output shafts are at a substantial angle. A housing supports the output shaft. A first motor causes the input shaft to rotate the output shaft. A second motor causes the housing to rotate, rotating the output shaft about an axis that is substantially parallel to the input shaft and passes through the remote center of motion.

Abstract: This invention relates to mechanical linkages. The claimed linkages have a plurality of members that rotationally couple an extension member to a ground member. The linkages have relatively less inefficiency caused by inertia and from the placement of transducers within the linkage. Various coupling in the linkages may be powered, providing mechanical linkages that are suitable for use in haptic systems.

Abstract: A bicycle control device is basically provided with a base member, a release member, a shift operating lever and a release pawl. The release member is pivotally mounted relative to the base member about a pivot axis. The shift operating lever is pivotally mounted relative to the base member. The release pawl is movably mounted on the shift operating lever such that the release pawl is movable from a rest position in a direction away from the pivot axis to a release operating position.