4647 results about "Driven element" patented technology

A safety handle assembly for use with a surgical instrument having an operative distal end portion is disclosed. The handle assembly includes a handle housing and a drive element movably mounted within the handle housing and connected to an associated operative distal end portion. A drive assembly is positioned within the handle housing and is engageable with the drive element to move the drive element within the handle housing. An actuator is movably mounted on the handle housing and an adjustable force-limiting mechanism is interposed between the drive assembly and the actuator. A force-limiting mechanism releasably connects the actuator to the drive assembly. The force-limiting mechanism is adjustable to preset the force at which the actuator separates or breaks away from the drive assembly.

A magnetic memory device for reading and writing a data state comprises at least three terminals including first, second, and third terminals. The magnetic memory device also includes a spin transfer (ST) driven element, disposed between the first terminal and the second terminal, and a readout element, disposed between the second terminal and the third terminal. The ST driven element includes a first free layer, and a readout element includes a second free layer. A magnetization direction of the second free layer in the readout element indicates a data state. A magnetization reversal of the first free layer within the ST driven element magnetostatically causes a magnetization reversal of the second free layer in the readout element, thereby recording the data state.

The present disclosure relates to a surgical device including an adapter assembly for selectively interconnecting an end effector and the device housing. The adapter assembly includes at least one drive converter assembly that converts and transmits a rotation of the rotatable drive shaft to an axial translation of at least one axially translatable drive member of the end effector. A first drive converter assembly includes a first drive element, a nut, an articulation sleeve, an articulation bearing, and an articulation link. Rotation of the rotatable drive shaft results in rotation of the first drive element. Rotation of the first drive element results in axial translation of the nut, the articulation sleeve, the articulation bearing, the articulation link, and the at least one axially translatable drive member of the end effector.

A surgical instrument includes a tubular stem section which extends from a handle. A tubular articulated section connects a surgical instrument with the stem section. An actuator assembly is connected with the handle and is operable to bend the articulated section to change the orientation of an instrument on an outer end portion of the articulated section relative to body tissue. The instrument on the outer end of the articulated section may be a rotatable cutting tool which is driven by a tubular drive element having a flexible section which extends through the articulated section. The articulated section is bent or flexed by a plurality of flexible elongated elements (wires). In one embodiment of the invention, a pair of elongated elements are provided to flex the articulated section in opposite directions. In another embodiment of the invention, four flexible elongated elements are provided to flex the articulated section in any one of four directions.

A system for moving an elongate medical device has at least one drive element for engaging and moving an elongate medical device. Various embodiments provide for moving the separate inner and outer elements of a telescoping medical device. Some systems also provide for the rotation of a rotatable distal element on a rotatable medical device or the rotation of extension element in a telescoping medical device.

In one embodiment of the invention, a robotic surgical tool having opposing jaws, the working element of the robotic surgical tool is made of a different material from the drive element of the robotic surgical tool. The two elements may be manufactured independently and assembled together at a later stage. The material comprising each element may thus have properties more appropriate to the function each element plays in the robotic surgical tool. For example, the metal selected to comprise the blade of a surgical scissor may be corrosion resistant and capable of being sharpened to a high degree.

The present invention comprises: a display unit having a plurality of pixels arranged therein, each pixel including an organic EL element 24, a switching TFT, and a drive TFT; a data signal drive circuit for receiving image data for each frame period and outputting an image signal based on the image data; a scanning signal drive circuit for outputting a scanning signal for controlling a timing at which the switching element of each of the plurality of pixels receives the image signal; and a current source (a light emission power supply unit and a cathode potential control circuit together) for outputting a current supplied to the light emitting unit of each of the plurality of pixels through its drive element; wherein the current source modulates the value of the output current within each frame period.

An active type of display panel arranged with light-emitting elements such as organic electroluminescent elements, capable of effecting correct tonal display even during a long-time use, a display device using the display panel and a method of driving the display panel. In each of pixel portions on the display panel, a driving element is activated according to a data signal, to supply a light-emitting element with a drive current in an amount corresponding to the data signal. The data signal is corrected such that the drive current becomes equal to a current corresponding to a light-emitting luminance represented by the data signal.

An active type display panel comprises a plurality of pixel sections each having a series circuit constituted by a light emitting element and a drive element for supplying a drive current to the light emitting element, a pair of power supply lines which connect the series circuits of the pixel sections in parallel, and a plurality of measurement lines. Each of the pixel sections includes a switch element between a point connecting the light emitting element and the drive element, and one line of the measurement lines. A display device, in which the display panel is used, detects the voltage across the terminals of the light emitting element and controls the drive element such that the voltage across these terminals is a predetermined voltage.

A surgical device comprising a handle housing, an adapter, an elongated portion, an end effector, a first drive element, and a second drive element is disclosed. The adapter includes a first drive assembly configured to mechanically engage a portion of a first actuation mechanism of the handle housing. The elongated portion is configured to extend distally from the adapter. The first drive element is disposed in mechanical cooperation with the first drive assembly. The second drive element is disposed in mechanical cooperation with the first drive assembly. Rotation of the first drive assembly in a first direction about the longitudinal axis causes distal translation of the first drive element. Rotation of the first drive assembly in a second direction about the longitudinal axis causes distal translation of the second drive element. The first direction is opposite from the second direction.

Traction planets and traction rings can be operationally coupled to a planetary gearset to provide a continuously variable transmission (CVT). The CVT can be used in a bicycle. In one embodiment, the CVT is mounted on the frame of the bicycle at a location forward of the rear wheel hub of the bicycle. In one embodiment, the CVT is mounted on and supported by members of the bicycle frame such that the CVT is coaxial with the crankshaft of the bicycle. The crankshaft is configured to drive elements of the planetary gearset, which are configured to operationally drive the traction rings and the traction planets. Inventive component and subassemblies for such a CVT are disclosed. A shifting mechanism includes a plurality of pivot arms arranged to pivot about the centers of the traction planets as a shift pin hub moves axially.

An apparatus for and a method of performing an animal-related action regarding at least a part of the body of an animal is proposed. The apparatus includes a cleaning tool (15), adapted to be brought into contact with the part of the body, a support (16, 17) provided to support the cleaning tool (15), and a drive element (18, 24) provided to move the cleaning tool (15) along the contour of the part of the body. A sensor (34) is provided to sense the contact of the cleaning tool (15) and the animal. Furthermore, a processor (36) is provided to determine the position of the part in response to the sensor.

A sensor for determining a position for an adjacent object in two dimensions is described. The sensor comprises a substrate with a sensitive area defined by a pattern of electrodes, wherein the pattern of electrodes includes a first group of drive elements interconnected to form a plurality of row electrodes extending along a first direction, a second group of drive elements interconnected to form a plurality of column electrodes extending along a second direction, and a group of sense elements interconnected to form a sense electrode extending along both the first and second directions. The sensor further comprises a controller comprising a drive unit for applying drive signals to the row and column electrodes, and a sense unit for measuring sense signals representing a degree of coupling of the drive signals applied to the row and column electrodes to the sense electrode. Thus a 2D position sensor requiring only a single sense channel is provided.

An antenna is provided comprising a pair of driven elements and a pair of passive elements. The driven elements are disposed on opposite sides of a reference plane, and the passive elements are also disposed on opposite sides of the reference plane. One or both passive elements may be provided in a different plane than the driven elements. By varying placement of the passive elements the antenna radiation pattern can be altered. An antenna array is also provided, comprising two or more oppositely directed directional antennas at least one of which is as described above. The passive elements of the antennas can be adjusted for a desired coverage pattern of the array, such as an azimuthal omnidirectional pattern, for example through simulation. The antenna or array may be embodied on a printed circuit board.

A method for sensing a light emissive element in an active matrix display pixel cell further including a data line connectable to a drive element and to a first electrode of the emissive element. The data line is connected to the anode of the emissive element, and a sensing voltage to reverse bias the emissive element, and detecting any leakage current flowing through the emissive element.

The invention compensates for variations of a driving transistor Tr1. The invention provides a pixel circuit including a current-type driven element L, a driving transistor Tr1 to control the amount of electrical current to be supplied to the driven element, a capacitor element C connected to the gate of the driving transistor, a switching transistor Tr3 connected to the gate of the driving transistor, a switching transistor Tr1, a scanning line S connected to the gate of the switching transistor Tr3, a data line D connected to the source or the drain of the switching transistor Tr3, and a power-supply line V connected to a signal line via the switching transistor Tr3. A diode-connected compensating transistor Tr4 is disposed between the power-supply line V and the switching transistor Tr3.

A system for manipulating a portion of the skeletal system in the body of a mammal includes an implant having a first portion and a second portion, the first portion configured for coupling to a first location of the skeletal system and the second portion configured for coupling to a second location of the skeletal system. The system includes an adjustment device configured to change at least one of the distance or force between the first location and the second location, the adjustment device having a magnetic element configured for rotation about an axis of rotation, the magnetic element being operatively coupled to a drive element configured to alter at least one of the distance or the force between the first location and the second location. The system also includes an external adjustment device configured to magnetically couple to the adjustment device from a location external to the mammal.

An improved linear oscillating actuator is capable of minimizing the undesired vibrations while moving first and second oscillators in parallel paths. The first and second oscillators carry first and second drive elements respectively for driving connection to individual reciprocating loads. The first and second drive elements project upwardly respectively from the first and second oscillators such that the first drive element is disposed immediately upwardly of the second oscillator and the second drive elements is disposed immediately upwardly of the first oscillator. With this reverse arrangement of the first and second drive elements relative to the first and second oscillators, the individual oscillating systems each including the oscillator, the drive element and the corresponding reciprocating load can have its mass center disposed in close proximity to a mass center of the actuator, thereby enabling to reduce undesired vibrations which would otherwise occur around the mass center of the actuator.

There is provided a display drive apparatus for operating, in accordance with display data, a current control type optical elements each having a display pixel provided with the optical element and a drive element which supplies a driving current to the optical element. The display drive apparatus includes a gradation signal creating circuit which generates a gradation signal corresponding to a luminance gradation of the display data and supplies the gradation signal to the display pixel, a threshold voltage detection circuit which detects a threshold voltage peculiar to the drive element of the display pixel, and a compensation voltage application circuit which generates a compensation voltage for compensating for the threshold voltage of the drive element on the basis of the threshold voltage and applies the compensation voltage to the drive element.

A robot auditory apparatus and system are disclosed which are made capable of attaining active perception upon collecting a sound from an external target with no influence received from noises generated interior of the robot such as those emitted from the robot driving elements. The apparatus and system are for a robot having a noise generating source in its interior, and include: a sound insulating cladding (14) with which at least a portion of the robot is covered; at least two outer microphones (16 and 16) disposed outside of the cladding (14) for collecting an external sound primarily; at least one inner microphone (17) disposed inside of the cladding (14) for primarily collecting noises from the noise generating source in the robot interior; a processing section (23, 24) responsive to signals from the outer and inner microphones (16 and 16; and 17) for canceling from respective sound signals from the outer microphones (16 and 16), noises signal from the interior noise generating source and then issuing a left and a right sound signal; and a directional information extracting section (27) responsive to the left and right sound signals from the processing section (23, 24) for determining the direction from which the external sound is emitted. The processing section (23, 24) is adapted to detect burst noises owing to the noise generating source from a signal from the at least one inner microphone (17) for removing signal portions from the sound signals for bands containing the burst noises.