225 results about "Second finger" patented technology

The invention provides a dexterous hand which comprises a palm structure, a plurality of first joint modules and a second joint module, each first joint module comprises a first side swing assembly and a first finger structure, and each first finger structure comprises a plurality of first finger shells and a plurality of first knuckle steering engines arranged in the first finger shells; the first knuckle steering engines drive the first finger shells to rotate in a one-to-one correspondence mode, the second joint module comprises a second side swing assembly and a second finger structure, and the second finger structure comprises a plurality of thumb knuckle shells and a plurality of thumb knuckle steering engines arranged in the thumb knuckle shells. The thumb knuckle steering engines drive the thumb knuckle shells to rotate in a one-to-one correspondence mode. The dexterous hand provided by the invention has more active degrees of freedom, can more accurately simulate the movement of a human hand, and is longer in service life and lower in control difficulty. In addition, the first joint module and the second joint module are both independent modules, so that maintenance and replacement are convenient.

An acoustic wave device includes a piezoelectric substrate including a piezoelectric layer, and an IDT electrode on the piezoelectric layer and including first and second busbars and first and second electrode fingers. Virtual lines connecting tips of distal end portions of the first and second fingers are respectively referred to as first and second envelopes. An overlap region is between the first and second envelopes and includes at least one curved-line region, in which the first and second electrode fingers have a curved plan-view shape. In the curved-line region, each of the first and second electrode fingers has a non-constant curvature.

The invention relates to the technical field of filters, and discloses a resonator and a surface acoustic wave filter, and the resonator comprises an interdigital transducer and a transverse strip structure. The interdigital transducer comprises a first bus bar, a second bus bar, a plurality of first finger bars and a plurality of second finger bars; the first bus bar and the second bus bar are oppositely arranged, the same ends of the plurality of first finger bars are connected with one side, close to the second bus bar, of the first bus bar, and the same ends of the plurality of second finger bars are connected with one side, close to the first bus bar, of the second bus bar; the transverse strip structure is arranged in a target area of the interdigital transducer; the transverse strip structure comprises a plurality of first transverse strips and a plurality of second transverse strips, the first transverse strips and the second transverse strips are arranged in a crossed mode, the adjacent first transverse strips and second transverse strips are distributed in a staggered mode, and the first ends, in the first direction, of the first transverse strips are connected with the third ends, in the first direction, of the second transverse strips. According to the resonator provided by the invention, the Q value of the resonator can be improved while a transverse mode is effectively suppressed.

An image capture device that includes a body and an interconnect mechanism that is connected to the body. The interconnect mechanism includes: a base plate defining a receptacle that is configured to threadably engage an accessory such that the image capture device is directly connectable to the accessory via the interconnect mechanism; a cover that is removably connected to the base plate and which is configured to thermally insulate the interconnect mechanism; and first and second fingers that are pivotably connected to the base plate about first and second pivot axes such that the interconnect mechanism is reconfigurable between a collapsed configuration, in which the first and second fingers are nested within the body of the image capture device, and an extended configuration, in which the first and second fingers extend outwardly from the body of the image capture device.

The invention belongs to the technology of dexterous hands, and discloses a full-knuckle movable multi-mode automatic switching bionic dexterous hand. The bionic dexterous hand comprises a palm shell module, a mode conversion module, a crawler wheel module and a finger module. The finger module comprises a first finger and a second finger which have four degrees of freedom. The mode switching module is used for achieving mode switching of the full-knuckle movable type multi-mode automatic switching bionic dexterous hand. And in the wheel type tail end mode, the second finger is retracted into the palm shell module, and the crawler wheel module is located below the palm shell module. And in the dexterous hand mode, the second finger extends to the right front of the palm shell module, and the crawler wheel module is retracted into the palm shell module. The robot can be automatically switched between a wheel type tail end mode and a dexterous hand mode, the functions of grabbing, wheel type moving and tail end supporting can be achieved, the application range of the dexterous hand can be expanded, switching collaboration is high, control precision is high, and the robot has the advantages of being compact in structure and light in weight.

The present disclosure is suitable for the technical field of solar power generation, and provides a solar cell and a photovoltaic module. The solar cell comprises a silicon wafer and fingers provided thereon. The fingers comprise first fingers and second fingers that are distributed alternately in a first direction. The silicon wafer has a first edge, a second edge, a third edge and a fourth edge. A first inclined edge connects the first edge and the third edge, a first connecting line being adjacent to the first inclined edge. The first connecting line is connected to the first fingers or the second fingers. The distance between the points of intersection of the first inclined edge and the first and third edges is less than or equal to 2.5 millimeters. The number of the first fingers or second fingers connected to the first connecting line is less than or equal to four. The first inclined edge is made very small, so that the first connecting line at the first inclined edge is relatively short and can only be connected to four or less of the first fingers or second fingers, ensuring the active area of the cell as much as possible so as to ensure the conversion efficiency of the cell.

A security apparatus includes a body having an opening at a forward edge of the body, a lock cylinder located within the body, and an engagement mechanism including a first finger and a second finger extending out of the body through an opening. The lock cylinder is configured to move the first and second fingers between a first position in which the engagement mechanism is removable from the data port and a second position in which the engagement mechanism is secured to the data port. Each of the first and second fingers includes a surface configured to engage the sidewall of the portable electronic device. An alignment member is configured to extend into the opening and remain within the opening when the engagement mechanism is in the second position, wherein the alignment member includes a surface configured to engage the forward edge of the body.

The invention relates to a filter, a radio frequency front-end module and electronic equipment, the filter comprises a piezoelectric substrate, a first reflecting grating and two interdigital transducers, the first reflecting grating and the two interdigital transducers are arranged on the surface of the piezoelectric substrate, and the two interdigital transducers are respectively arranged on two opposite sides of the first reflecting grating; the first reflecting grating comprises a first finger strip, a second finger strip and a third finger strip which are connected, and the first finger strip and the second finger strip are arranged on the two sides of the third finger strip in the first direction; wherein the distance between the central axis of the third finger strip adjacent to the first finger strip and the central axis of the adjacent first finger strip is a first distance, the distance between the central axis of the third finger strip adjacent to the second finger strip and the central axis of the adjacent second finger strip is a second distance, and the first distance is not equal to the second distance. According to the filter disclosed by the invention, the first interval is unequal to the second interval by adjusting the intervals among the first finger strip, the second finger strip and the third finger strip in the first reflecting grating shared by the two interdigital transducers, so that the Q value of the filter disclosed by the invention is improved.

The subject technology detects a first gesture and a second gesture, each gesture corresponding to an open trigger finger gesture. The subject technology detects a third gesture and a fourth gesture, each gesture corresponding to a closed trigger finger gesture. The subject technology, selects a first virtual object in a first scene. The subject technology detects a first location and a first position of a first representation of a first finger from the third gesture and a second location and a second position of a second representation of a second finger from the fourth gesture. The subject technology detects a first change in the first location and the first position and a second change in the second location and the second position. The subject technology modifies a set of dimensions of the first virtual object to a different set of dimensions.

The invention discloses a thumb bionic mechanical finger, a gear driving type bionic mechanical finger and a bionic manipulator thereof, and belongs to the field of manipulators. Comprising a supporting part, a first finger section, a second finger section, a third finger section, a first driving part, a second driving part, a first gear transmission part and a second gear transmission part. The first finger section is connected with the supporting part, the second finger section is connected with the first finger section, and the third finger section is connected with the second finger section; the first gear transmission part is arranged between the supporting part and the first finger section, and the second gear transmission part is arranged between the first finger section and the second finger section; the first driving piece is connected with the first gear transmission piece, and the second driving piece is connected with the second gear transmission piece. The mechanical arm has the beneficial effects that the two independent driving parts are matched with the two bevel gear transmission parts to drive the first finger section and the second finger section correspondingly, and independent and accurate control over the metacarpophalangeal joint and the middle joint is achieved. The design allows the fingers to move complexly and flexibly, and is suitable for fine operation tasks.

A security device includes: a body having an opening at a front edge of the body; the lock cylinder is positioned in the main body; and an engagement mechanism including a first finger and a second finger extending out of the body through the opening. The lock cylinder is configured to move the first finger and the second finger between a first position in which the engagement mechanism is removable from the data port and a second position in which the engagement mechanism is removable from the data port. In the second position, the engagement mechanism is secured to the data port. Each of the first and second fingers includes a surface configured to engage a sidewall of the portable electronic device. The alignment member is configured to extend into the opening and remain within the opening when the engagement mechanism is in the second position, where the alignment member includes a surface configured to engage the front edge of the body.

Described herein is a process for mounting a tire onto a wheel. The process comprises positioning the tire in respect to the wheel such that a first arc of the bottom bead extends between the wheel's top and bottom bead seats. Next, two fingers are placed in contact with the bottom bead at locations immediately adjacent to opposing ends of the first are of the bottom bead. The first finger rotates about the central axis in a rotational direction away from the first arc of the bottom bead while applying a force in a direction of the bottom bead to advance all of the bottom bead below the top bead seat. These steps are repeated with the top bead to advance all of the top bead below the top bead seat. During the process, the first finger and the second finger may not contact any portion of the wheel

The utility model relates to the technical field of robots, in particular to an electrically-driven humanoid dexterous hand which comprises a palm body, a first finger pulp and a second finger pulp, a bending block is rotatably installed on one side of the palm body, and bending structures are arranged at the upper end of the palm body and one side of the bending block. A first finger pulp is movably installed at the upper end of the palm body and one side of the bent block through a bent structure, a second finger pulp is installed at one end of the first finger pulp through a bent structure, a user pulls a pull rod downwards, the pull rod drives a moving plate to move downwards, the moving plate drives one end of a connecting rod to move, and the connecting rod drives an adjusting rod to move. The adjusting rod drives the pop-up clamping block to move towards the interior of the movable groove, so that the pop-up clamping block is separated from the limiting groove, the assembling head and the connecting strip can be pulled out from the interior of the assembling groove, the rotating frame can be detached from the first finger pulp or the second finger pulp, and the finger pulp is convenient to replace.

The present invention provides gloves and a method for using gloves that protect the fingertips and allow for quick retraction and exposure of the fingertips while wearing the gloves without removing them, as needed. [Solution] The second finger portion 22 of the glove A, which can accommodate the index finger F2, has a fingertip covering portion 220 that can cover the tip region of the ventral side of the index finger F2, and a finger base covering portion 221 that can cover the base region from the center of the ventral side of the index finger F2 towards the base. A slit portion 3A is formed from a base edge portion 220a provided at the base end of the fingertip covering portion 220, and a toe edge portion 221a provided at the toe end of the finger base covering portion 221, which is opposite to the base edge portion 220a. Furthermore, the fingertip covering portion 220 and the finger base covering portion 221 are made of fabric with a raw-cut finish.

This invention provides a multi-degree-of-freedom thumb mechanism with a damping pressure plate, comprising: a thumb body, the thumb body including a first finger segment, a second finger segment, and a third finger segment connected in sequence; a first driving part, the first driving part driving the first finger segment to bend and extend; a second driving part, the second driving part driving the second finger segment to bend and extend; a third driving part, the third driving part driving the third finger segment to rotate, thereby causing the first finger segment and the second finger segment to rotate; a base, the base integrating the first driving part, the second driving part, and the third driving part at the end of the third finger segment; and a damping pressure plate, the damping pressure plate being installed on the third driving part to counteract the looseness caused by backlash in the third driving part. The thumb mechanism of this invention has multiple degrees of freedom; by adding a damping pressure plate to the third driving part, backlash is counteracted, thereby ensuring gripping and operational accuracy.

Described herein is a process for mounting a tire onto a wheel. The process comprises positioning the tire in respect to the wheel such that a first arc of the bottom bead extends between the wheel's top and bottom bead seats. Next, two fingers are placed in contact with the bottom bead at locations immediately adjacent to opposing ends of the first arc of the bottom bead. The first finger rotates about the central axis in a rotational direction away from the first arc of the bottom bead while applying a force in a direction of the bottom bead to advance all of the bottom bead below the top bead seat. These steps are repeated with the top bead to advance all of the top bead below the top bead seat. During the process, the first finger and the second finger may not contact any portion of the wheel.

The invention provides a manipulator and a robot. The manipulator comprises a driving assembly, at least one first finger assembly and at least one second finger assembly, and the at least one first finger assembly and the at least one second finger assembly are arranged side by side and connected with the driving assembly; the manipulator at least has a first posture and a second posture, and the driving assembly is used for driving the at least one first finger assembly and the at least one second finger assembly to move in the same direction until the manipulator is in the first posture; and the driving module is further used for driving the first finger assembly and the second finger assembly to move in opposite directions until the manipulator is in the second posture, and the first finger assembly and the second finger assembly are used for executing target operation on the target object through the first posture or the second posture. The manipulator provided by the invention can support various postures, so that the use requirements in more scenes can be met.

This application discloses a helmet safety belt, belonging to the field of safety belt technology. The helmet safety belt includes a first strap and a second strap. One end of the first strap is wrapped with a winding loop, and one end of the winding loop is fixedly connected to a connecting strip. A fixing component is provided between the connecting strip and the second strap. The fixing component includes a first finger ring and a second finger ring respectively fixedly connected to the connecting strip and one end of the second strap. A fixing sleeve is fixedly connected to the outer wall of the second finger ring. By hooking the first finger ring and the second finger ring with one hand and bringing them close, the insertion rod and the extension sleeve can be aligned with the positioning cylinder. During the pushing process, the extension sleeve retracts, the spring compresses, and the locking block of the fixing rod is squeezed and rotates. When the locking block reaches the locking slot, the torsion spring and the spring return to their original positions, so that the locking block is locked into the locking slot and fits tightly against the inner wall of the slot, effectively limiting the locking block to prevent loosening. Tightening the winding loop can make the strap taut, ensuring that the helmet is worn securely and preventing it from falling off during use.

A bulk acoustic resonator is provided that includes a piezoelectric layer; first and second busbars on a surface of the piezoelectric layer and that extend along a first direction; and units of fingers that are adjacent to each other. Each of the units of fingers includes a first finger that extends from the first busbar and a second finger that extends from the second busbar. Moreover, a first pitch of each unit of fingers indicates a distance along the first direction between the first finger and the second finger in the respective unit, with the first pitch varying along a second direction that is orthogonal to the first direction. A unit pitch indicates a center-to-center distance along the first direction between respective first fingers of adjacent units that extend from the first busbar, with the unit pitch being substantially constant across the plurality of units of fingers.

This application discloses a surface acoustic wave (SAW) resonator, filter, and electronic device, relating to the field of resonators. The SAW resonator includes: a piezoelectric substrate; interdigitated electrodes located on one side surface of the piezoelectric substrate; the interdigitated electrodes include first and second fingers alternately arranged along a first direction, the first and second fingers extending along a second direction, the first and second directions intersecting in a plane parallel to the piezoelectric substrate; a first groove is formed in the surface of the piezoelectric substrate between adjacent first and second fingers; two reflective gratings are disposed on the same side surface of the piezoelectric substrate as the interdigitated electrodes; in the first direction, the interdigitated electrodes are located between the two reflective gratings; the reflective gratings include multiple third fingers arranged sequentially along the first direction; a second groove is formed in the surface of the piezoelectric substrate between adjacent third fingers. The technical solution of this application can improve the steepness of the filter in the transition band.

The application relates to the technical field of interactive control, in particular to an interactive control method and an electronic device. The method comprises the following steps: in the case that an interaction mode is a multi-screen linkage interaction mode, detecting a touch point of a first finger on a first screen to obtain first touch information; detecting a touch point of at least one second finger on a touch module to obtain second touch information; and controlling a controlled object displayed on the first screen to execute a preset operation task based on the first touch information and the second touch information. Therefore, the application can provide a more natural, efficient and low-burden large-screen human-computer interaction experience.

The invention discloses a surface acoustic wave filter and electronic equipment, and belongs to the technical field of filters. The surface acoustic wave filter comprises: a resonator structure having a first finger strip extending along a first direction; the capacitor structure is connected with the resonator structure in parallel, the capacitor structure comprises two bus bars which are oppositely arranged, a target finger bar which is connected with one bus bar and is separated from the other bus bar is arranged between the two bus bars, and the target finger bar extends in the second direction; the capacitor structure is divided into first finger strip regions and second finger strip regions which are alternately arranged along the length direction of the bus bar; wherein the target finger strip in the first finger strip area is a first target finger strip, the target finger strip in the second finger strip area is a second target finger strip, and the finger strip parameters of the first target finger strip and the second target finger strip are different. The surface acoustic wave filter can reduce excitation of clutters.

A system for removing a cap seal from a fastener, includes a seal remover including fingers outwardly extending from a base. The fingers include one or more first fingers and one or more second fingers. The one or more first fingers are sized, shaped, or configured differently than the one or more second fingers. Passages are defined between the fingers. The seal remover is configured to be coupled to a distal end of an operative portion of a tool. The tool is configured to be operated to rotate the seal remover in relation to the cap seal so that the fingers remove the cap seal from the fastener. Removed portions of the cap seal are discharged through and out of the passages.

The present disclosures relates to a glove and device to be used with the glove for vaginal touch measure for pelvic measurement, the glove having a palm portion and a plurality of finger portions extending from the palm portion, the device comprising: a first magnet for placing on a first finger of a user's hand; a first magnetic sensor for sensing magnetic field, for placing on a second finger of a user's hand; a second magnetic sensor for sensing magnetic field for placing on a third finger of a user's hand; and a data processing device; wherein the data processing device is arranged to: acquire, from the first magnetic sensor, a signal corresponding to the sensed magnetic field by the first magnetic sensor; acquire, from the second magnetic sensor, a signal corresponding to the sensed magnetic field by the second magnetic sensor; obtain, from the acquired signals, a distance between the first magnet and the first magnetic sensor, and a distance between the first magnet and the second magnetic sensor.

A robot hand for gripping and operating a pipette, the robot hand including: an electric gripper; a pair of first finger members opened and closed by the electric gripper; a pair of second finger members provided on the first finger member and having a pipette gripping surface; and an operating mechanism installed on the first finger member to operate an operation target of the pipette.

This invention relates to a five-finger grasping hand for use in the field of robotic manipulators. The hand includes a first finger at the tail end of the palm, which is movably connected to the palm via a swing frame and a mounting frame. Several second fingers are located at the front end of the palm, movably connected to the palm via a first linkage assembly. A first transmission structure is located inside the mounting frame, allowing the first fingers to swing along the swing frame via this structure. A second transmission mechanism is located inside the palm, with the number of second transmission mechanisms matching the number of second fingers. This second transmission mechanism is movably connected to the first linkage assembly, effectively suppressing any gaps or misalignments at connection points and transmission points, whether in static or dynamic states. This significantly improves the positioning accuracy of the fingertips and the stability of force control during grasping.

The bionic mechanical claw comprises a claw seat, a disc, a first claw and a second claw, a steering engine is arranged in the claw seat, the disc is horizontally arranged at the top of the claw seat, the steering engine can drive the disc to rotate, the first claw and the second claw are symmetrically hinged to the two sides of the claw seat in the horizontal direction respectively, and two connecting rods are hinged to the disc in a bilateral symmetry mode. The two connecting rods are hinged to the middle of the first finger claw and the middle of the second finger claw correspondingly, and the head of the first finger claw and the head of the second finger claw can be driven to get close to each other or get away from each other through the two connecting rods by rotating the disc forwards or reversely. The bionic mechanical claw for the teaching experiment is simple in structure, materials are convenient to obtain, and the bionic mechanical claw is suitable for teaching scene demonstration and independent design and use; a steering engine is adopted for driving, the control precision is high, the bionic fingers are driven to act through a disc and a connecting rod structure, the grabbing stability is good, the two sets of symmetrically-designed finger claws can simulate the fingers to achieve self-adaptive grabbing of objects of different shapes, and the application range is wide.

This application provides a robotic hand and a robot, relating to the field of robotics technology, to solve the problem of limited grip width in robotic hands. The robotic hand includes a first, second, and third finger and a mounting base; the first finger has a first root phalanx, the second finger has a second root phalanx, and the third finger has a third root phalanx; the second and third root phalanxes are arranged side-by-side and fixedly connected to the mounting base; the first finger can flip and switch between a first and a second extreme position; in the first extreme position, the first, second, and third root phalanxes are arranged side-by-side; in the second extreme position, the first root phalanx is at least partially outside the area directly opposite the second and third root phalanxes, and the first finger is configured such that its fingertip contact surface can contact a local area of ​​the fingertip contact surface of the second finger that is biased towards the fingertip contact surface of the third finger. This can increase the grip width of the robotic hand.

The invention relates to a thread guide for an apparatus for manufacturing a filamentary stiffening structure of a tyre. The thread guide (10) comprises a base (32) and first and second fingers (34) which are supported by the base and are each provided with a guide portion (40) for the thread (14). The guide portions (40) together form a funnel capable of guiding the thread from mutually remote front edges (44) towards closer-together rear edges (46) of the guide portions (40). The closer-together rear edges (46) are curved and delimit between them a passage for the thread having a width greater than or equal to the diameter of the thread. The base (32) defines an opening (52) longitudinally extending the passage for the thread, the transverse dimension of the opening (52) increasing in the direction away from the passage for the thread (14).

A gripping device is disclosed. The gripping device includes a first finger, a second finger facing the first finger, a first link having a first end connected to the first finger, a second link having a first end connected to the second finger, and a differential device including a motor and configured to connect a second end of the first link and a second end of the second link, wherein, when the motor is driven, the differential device rotates the first link and the second link in different directions, and when the second link is rotated in a first direction by an external force, the differential device rotates the first link in the first direction.