380 results about "Third finger" patented technology

The invention discloses a humanoid flexible mechanism arm device which comprises five fingers which are driven by six motors. Modular structures with same structures are adopted on four fingers (an index finger, a middle finger, a third finger and a little finger). Special effects of finger coupling transmission are achieved by a manner that the one motor, a reduction gearbox, a transmission mechanism and a flexible body are comprehensively utilized on the modular fingers. A thumb is driven by two motors, a pair of duplex bevel gears and a cross-shaped shaft are applied on a base joint transmission system to achieve buckling and side-sway movements, and good transmission effects and arrangement of the thumb and a palm are achieved. Each finger is provided with three joints which include a base joint, a middle joint and a far joint, the speed ratio is close to 1: 1: 1, and the mechanical arm is enabled to be close to a movement pattern of a hand. The humanoid flexible mechanical arm device has the advantages of being large in fingertip output force and rigidity, compact in structural arrangement, high in humanization degree, stable in grab and the like.

A mobile communication terminal with dedicated keys for controlling an integrated functional component such as an audio player, in which the dedicated keys are situated at convenient positions for use. The mobile communication terminal includes a housing that accommodates parts which enable wireless communications with an external device and has an audio player therein. The terminal includes a control key assembly positioned on at least one lateral side of the housing to enable a user to operate the audio player. The position of the control key assembly assists the user in pressing the keys using his thumb, forefinger, middle finger and third finger. The position of the control key assembly also enables a wide auxiliary display to be positioned on the upper surface of the housing, e.g., on the outer surface of the upper housing.

The invention discloses a multi-fingered underactuated end effector with sensation. The first, second and third knuckles of each finger are hinged, and the third knuckle is hinged with the finger turntable; the motor in the base part moves up and down through the moving plate; The third knuckles of the three fingers are connected with the moving plate through coupling rods respectively, the third knuckles of the three fingers are connected with the palm through the finger turntable, and the base and the palm are connected through a cylindrical guide rail. An underactuated mechanism is integrated between the three knuckles of each finger, and the motor drives the opening and closing of the three fingers through a differential mechanism. Sliding tactile sensors are set inside the first, second and third knuckles, and the input end of the force feedback circuit is connected to the The sliding tactile sensor is connected, and the output end of the force feedback circuit is connected with the motor through the controller. The invention has the advantages of less number of drivers, simple control, high reliability and small size, and can realize self-adaptive grasping of object shape.

It is an object of the present invention to provide a workpiece holding method which enables a workpiece to be held when a multi-fingered hand is used to grasp the workpiece that is in an untidy heap, even if a target workpiece is subject to interference from another workpiece, and thereby the method enhances the success rate for holding the workpiece. A workpiece holding method, when two holding devices (first to fourth fingers F1 to F4) are used to hold a workpiece (reinforcement W), including a unilateral holding process of inserting a first holding device (the first finger F1 and the second finger F2) at one holding device insert position (region A) to hold and lift a workpiece-to-be-held (reinforcement-to-be-held T) in a state where the workpiece-to-be-held has no interference from any other workpieces at the region A, and a bilateral holding process of inserting a second holding device (the third finger F3 and the fourth finger F4) around (region D) the workpiece-to-be-held lifted by the first holding device, to hold the workpiece-to-be-held.

The invention discloses an underactuation human-simulation dexterous hand driven and controlled through a micro-motor. The underactuation human-simulation dexterous hand comprises a palm and five fingers, namely the thumb, the index finger, the middle finger, the ring finger and the little finger. The boundary dimension proportion of the underactuation human-simulation dexterous hand refers to a hand of a Chinese woman. The five fingers are independent of one another. The underactuation human-simulation dexterous hand has six driving freedom degrees, namely the freedom degree of rolling of a base joint of the thumb and the freedom degree of pitching of a middle joint of the thumb and the freedom degrees of pitching of base joints of other four fingers, in all. According to the relative angle, about 10-30 degrees, between a middle finger segment and a remote finger segment of a human hand when a frequently-used object is grabbed, the relative angle between a middle finger segment and aremote finger segment of the dexterous hand is fixed, and the design of a remote joint driven mechanism is simplified. The dexterous hand is small and exquisite in appearance and compact and simple instructure and has more than ten types of different grabbing gestures, and the effective and precise grabbing task can be finished.

A computer input device includes a housing having top, bottom, front, and back surfaces. The housing is adapted to be held in pistol-type grip with the bottom surface positioned adjacent a reference surface. First and second finger activation devices are mounted in the housing to be exposed on the front surface of the housing. A position sensor is mounted in the housing to detect through the bottom surface of the housing movement of the input device relative to the reference surface. Electronic circuitry in the housing is coupled to the position sensor and to the first and second finger activation devices. A third finger activation device may be exposed on the top surface of the input device, with the first and second finger activation devices being buttons and the third being a scroll wheel.

A clamp for securing apparatus such as end-of-train equipment to a railroad coupler head includes a first finger member that is mounted to pivot about a pivot pin in scissors-like manner between a fixed second and third finger member affixed to a housing, a threaded rod and cooperating piston for pivoting the first finger member away from the fixed second and third finger members, a rail member for abutting against an outside surface of the coupler head, and a crank and handle for tightening the grip of the first, second and third fingers on the inner surfaces of the core hole when the crank is rotated. The pivoting of the first finger member is accomplished by driving a pin through a slotted clevis defined in a first end of the first finger member, such that the pin moves within the slot defined by the clevis when the pin is driven in one lateral direction generally toward the fixed second and third finger members, thereby urging the clevis downward about the pivot pin and urging the opposing second end of the first finger member to move upwardly away from the fixed second and third finger members. In a preferred embodiment, end-of-train signaling and monitoring equipment is connected to the clamp for the railroad coupler head.

An ambidextrous glove that includes a thumb region, an index finger region, a middle finger region, a ring finger region and little finger region all aligned along a common axis. The index finger region is rotated through ninety degrees relative to the orientations of all of the middle, ring and little finger regions to provide for easier insertion of a hand into the glove. A textured pattern is provided on the surfaces of the glove used to grip objects. The pattern is one of a raised fan shape and raised diamond shape.

A robot hand is provided, the robot hand including three finger sections, a supporting section which supports a proximal end of each of the three finger sections, and a circumferential movement section which circumferentially moves a second finger section and a third finger section of the three finger sections about a position where the three finger sections are supported on the supporting section is provided. The circumferentially moving second finger section and third finger section are circumferentially movable in a range of 180 degrees or greater in a circumferential direction substantially around a hand axis of the robot hand, about the position where the three finger sections are supported on the supporting section.

The invention relates to an underactuated humanoid dexterous robotic hand device, which is provided with five independently controlled modular fingers and has 16 freedom degrees. The whole hand is driven by 11 motors; the dimension and the shape are similar to those of the hand of an adult. Except for a thumb, the other four fingers have the completely identical structures; the thumb has one freedom degree of doing longitudinal rotation around the palm base; through the arrangement of a rotating shaft, when the whole hand grasps objects, the grasping force of the forefinger, the ring finger and the small finger on the objects can be in symmetrical distribution at the two sides of the middle finger; the grasping stability is improved. Modular fingers are used; the two motors are respectively used for driving a finger base part joint, a middle joint and a tail end joint; the middle joint and the tail end joint are coupled by a structure-variable connecting mechanism; through a connecting rod mechanism, the relative positions of the two coupled finger joints after the contact with the objects can be actively regulated, so that the fingers can wrap the objects according to the shape of the grasped objects; the self adaptability to the appearance of the objects is high; the grasping action better conforms to the human hand. The structure of the whole hand is simple; the grasping force is great; the grasping rigidity is high; the control is simple; the grasping self adaptability is high; the underactuated humanoid dexterous robotic hand device is applicable to the fields of disabled people artificial hands, explosive handling, nuclear equipment detection and humanoid robots.

The invention provides a display device and electronic device. The display device comprises a first sub-pixel area, a second sun-pixel area and a third sub-pixel area. The first sub-pixel area comprises a first main penetrating wavelength, the second sub-pixel area comprises a second main penetrating wavelength, and the third sub-pixel area comprises a third main penetrating wavelength. A first electrode width of a first finger-fork electrode in a first sub-pixel area and a first electrode interval of the first finger-fork electrode in the first pixel area possess a first specific value, a second electrode width of a second finger-fork electrode in a second sub-pixel area and a second electrode interval of a second finger-fork electrode in a second sub-pixel area possess a second specific value, and a third electrode width of a third finger-fork electrode in a third sub-pixel area and a third electrode interval third finger-fork electrode in a third sub-pixel area possess a third specific value. The first main penetrating wavelength is larger than the second main penetrating wavelength, and the second main penetrating wavelength is larger than the third main penetrating wavelength, the first specific value, the second specific value and the third specific value are almost the same, the first electrode interval is smaller than the second electrode interval, and the second electrode interval is smaller than the third electrode interval.

A handheld computing system for adaptive multi-sensor, a manipulator grip and its method is provided. A system includes: sensor systems for sensing characteristics of a physical object, the characteristics including at least one identifier; and a distance analyzer for dynamically determining the activation of at least one of the sensor systems based on a distance to the object and pre-determined criteria. A system includes: capturing systems for capturing characteristics of a physical object, the characteristics including an identifier and one or more attributes for contributing to identification of the object; a display for displaying the object's image, having an analysis field; and a zoom for placing a specific captured characteristic of the object in the analysis field. A method of capturing and identifying a physical object includes: capturing characteristics of the object via an optical path, a radio frequency path or a combination thereof, the characteristics including an identifier and one or more attributes for contributing to identification of the object; evaluating one or more available captured characteristics; and validating the identifier based on the evaluation. A handheld ergonomic data input device for operating a handheld computing device having a sensor, includes: an enclosure having a grip surface contoured to fit the palm of a user's hand and a support surface for mounting the device; a detection mechanism for detecting the movement of the fingers, including: a rocking switch having at least two states and operated by the first and second fingers; a single state switch operated by a third finger; and a squeeze switch operated by squeezing the grip with the hand. A handheld computing unit includes: a handheld computing device including: capturing systems for capturing characteristics including an identifier and one or more attributes for contributing to identification of the object; a processor for adaptively selecting the capturing system and validating the identifier with one or more available captured characteristics, a manipulator grip shaped for fitting the palm of a user's hand, for operating the handheld computing device with the hand, the manipulator grip including: a mounting surface for mounting the device; an entry mechanism operated by the hand; and an interface for transferring a signal associated with the operation of the entry mechanism to operate the device.

The invention discloses a manipulator for testing a capacitive touch screen. The manipulator for testing the capacitive touch screen is characterized by comprising a support mechanism, a transmission mechanism and a control mechanism, the support mechanism comprises a base, a vertical stand, a manipulator support mechanism and a moving clamp mechanism, wherein the transmission mechanism comprises a push rod mechanism and the like, the control mechanism is mainly used for having accurate control over the stroke and the position of a steering engine motor. The manipulator for simulating actions of fingers of a person is designed to be used for testing touch screen functions of a notebook computer with the capacitive touch screen and a tablet personal computer with the capacitive touch screen, and is flexible; with industrial application as a target, the terminal execution manipulator is designed on the basis of existing industrial grade equipment to simulate sliding of the first finger, the second finger, the third finger, the fourth finger and the fifth finger of a human being on the touch screen respectively so that the touch screen can be tested.

The invention relates to an exercise assisting device, in particular to an exercise assisting device based on the elongate pneumatic muscles, and aims at solving the problems that an existing exercise assisting device is complex in structure, large in weight, high in cost and poor in flexibility. The exercise assisting device comprises a glove, an air source, a control circuit and five electropneumatic valves; fiver finger cots of the glove are provided with a thumb pneumatic muscle assembly, an index finger pneumatic muscle assembly, a middle finger pneumatic muscle assembly, a ring finger pneumatic muscle assembly and a little finger pneumatic muscle assembly respectively, the thumb pneumatic muscle assembly, the index finger pneumatic muscle assembly, the middle finger pneumatic muscle assembly, the ring finger pneumatic muscle assembly and the little finger pneumatic muscle assembly are each connected with the air source through the corresponding electropneumatic valve, the signal receiving end of each electropneumatic valve is connected with the signal transmitting end of the control circuit, and the air source, the control circuit and the electropneumatic valves form a control and power system. The exercise assisting device is used for assisting hand exercises.

The invention discloses a motion capture glove for a virtual reality system and the virtual reality system. The motion capture glove comprises a three-finger fingerstall, a glove body, a wrist part and an optical mark; the three-finger fingerstall comprises a first inertial sensor, a second inertial sensor and a third inertial sensor which are respectively arranged at the second knuckles of a first fingerstall, a second fingerstall and a third fingerstall for the virtual reality system to determine the motion information of a first finger, a second finger and a third finger which wear the motion capture glove; the glove body comprises a fourth inertial sensor which is arranged at the hand back of the glove body, and is used for sending the motion information of the fourth inertial sensor for the virtual reality system to determine the motion information of a palm which wears the glove body; the wrist part comprises a fifth inertial sensor which is arranged on the back side of a wrist part, and is used for sending the motion information of the fifth inertial sensor for the virtual reality system to determine the motion information of the wrist which wears the wrist part; the optical mark is arranged on the back side of the wrist part for the virtual reality system to track to acquire an absolute position of the wrist which wears the wrist part.

The invention relates to chopsticks for learning, which comprise a first chopstick body and a second chopstick body, wherein the first chopstick body is provided with a third finger locating slot and a thumb middle phalanx locating slot; the third finger locating slot is arranged on the outer side of the first chopstick body, and the thumb middle phalanx locating slot is arranged on the front side of the first chopstick body; the second chopstick body is provided with a thumb first phalanx locating slot, a forefinger locating slot and a middle finger locating slot; the thumb first phalanx locating slot is arranged on the front side of the second chopstick body; the forefinger locating slot is arranged on the outer side of the second chopstick body; and the middle finger locating slot is arranged on the rear side of the second chopstick body. Since the third finger locating slot, thumb middle phalanx locating slot, thumb first phalanx locating slot, forefinger locating slot and middle finger locating slot are arranged on the two chopstick bodies, the learner can quickly master the positions of the fingers on the chopstick bodies so as to locate the two chopstick bodies on the hand, and can also master the cooperative actions and use force of the fingers, so that the learner can quickly know how to use common chopsticks.

A glove with an enhanced gripping textured surface is disclosed herein. In preferred embodiments, the glove contains a palm region adapted to cover the palm of a person's hand, a thumb region extending outwardly from the palm region, an index finger region disposed adjacent the thumb region, a middle finger region adjacent the index finger region, a ring finger region adjacent the middle finger region, and a little finger region adjacent the ring finger region with each region containing a textured surface. In preferred embodiments, the textured surface is formed by a plurality of lateral and longitudinal ridges protruding above the surface of the glove, said lateral and longitudinal ridges intersecting to form a grid of raised three dimensional structures such as grid of raised squares.

The invention relates to a seven-freedom-degree five-finger mechanical arm, and belongs to the technical field of robots. The mechanical arm comprises a palm, five fingers, seven motors, a drive gear, a driven gear, a transmission shaft, a drive steel wire rope, a driven steel wire rope, three pairs of worm wheels, a worm, a hoop and a rolling cylinder. Any of the index finger, the middle finger, the third finger and the little finger has one bending freedom degree, the index finger, the third finger and the little finger have one swing freedom degree so that the three fingers can be unfolded or folded at the same time, the thumb has one bending freedom degree and one swing freedom degree, and the seven freedom degrees are set. By means of the seven-freedom-degree five-finger mechanical arm, bidirectional bending of the five mechanical fingers can be achieved, the index finger, the third finger and the little finger can be folded and unfolded, bidirectional swing of the thumb is achieved, and a precise grabbing task can be completed.

The invention belongs to the field of robot clamping jaws, and specifically relates to a self-adaptive under-actuated turning three-finger robot clamping jaw. The clamping jaw comprises a clamping jawshell, a drive module, a first finger module, a second finger module and a third finger module, wherein the drive module is installed in the clamping jaw shell and comprises a first drive motor, a second drive motor, a first power transmission system, a second power transmission system and three drive rods, the three finger modules are distributed circumferentially and are distributed at three sides of the top of the clamping jaw shell, each finger module comprises a finger base, a first finger section and a second finger section, the first drive motor drives the three finger modules to finish a grasp action through the first power transmission system, the second drive motor drives the second finger module and the third finger module to rotate along respective axis through the second power transmission system so as to acquire corresponding gestures of different finger modules. The clamping jaw can grasp a target object adaptively, has a large stroke, grasps stably, and has a graspingand self-locking function.

In a glove having finger covering parts, a finger covering part corresponding to at least one finger selected from the third finger (middle finger), the fourth finger (ring finger), and the fifth finger (little finger) is configured by arranging protective members (2a to 2e) on anterior and posterior sides of the same, and arranging stretchable members (4a to 6a) on both lateral sides of the same. An inner perimeter of each finger covering part is substantially equal to an outer perimeter of the finger corresponding thereto. The stretchable members on the lateral sides of each finger have stretching forces such that a stretching force of the stretchable member on the lateral side on the first finger (thumb) side is higher than a stretching force of the stretchable member on the other lateral side on the fifth finger (little finger) side. When the glove is bent from an opened state to a gripping state, the finger covering part is bent with a twist at a gripping angle toward the first finger (thumb) side. Thus, a glove is provided that is capable of following changes in shape caused by a gripping action of a hand, providing both of the feeling of fitting and the feeling of support, and having a high-level protection function and a high-level of mobility function.

The invention discloses a dexterous hand of a robot. The dexterous hand of the robot comprises a palm, fingers, a tendon rope and an elastic rope, wherein the palm comprises a substrate, a thumb connecting joint, a third finger connecting joint and a little finger connecting joint; the thumb connecting joint, the third finger connecting joint and the little finger connecting joint are provided with round mounting holes, are connected to the substrate through a rotary shaft, and can rotate at a limited angle around the rotary shaft. The fingers comprise the thumb, the index, the middle finger,the third finger, the little finger, coupling fastening parts, non-coupling fastening parts and a tensioning device; the root knuckle of each finger is connected to the palm through a rotary pair; thenon-coupling fastening parts are mounted on the thumb root knuckle of the thumb and the far knuckle of the thumb and between the thumb root knuckle and the thumb connecting joint on the palm, the non-coupling fastening parts are mounted at the connections of the root knuckles of the rest four fingers and the palm, and three knuckles of the fingers are connected through two coupling fastening parts.

A finger guarding device, in combination a culinary finger guard plate, two finger guards upstanding from a side of the plate and having spacing therebetween to receive a user's middle finger to extend generally parallel to the plate, each finger guard having a finger retention portion overhanging the plate to provide adjustable spaces to receive the user's first and third fingers, between said overhang portion and the plate.

The invention discloses a parallel self-adaptive grasping robot dexterous hand. The parallel self-adaptive grasping robot dexterous hand comprises a base and fingers. The fingers comprise the first finger, the second finger and the third finger. Each finger comprises a far-end finger rod and a near-end finger rod. The first finger is fixedly connected to the base. The second finger and the third finger can rotate around the central axis perpendicular to the base. In the dexterous hand grasping process, when the near-end finger rods do not make contact with an object, the far-end finger rods linearly and horizontally move to parallelly grasp the object, and the object also can be grasped in a self-adaptive envelope mode according to the different sizes and shapes of the object after the near-end finger rods make contact with the object. Meanwhile, the positions of the rotatable fingers can be adjusted in a large range, so that a plurality of grasping structure states are produced, and the capacity to grasp different shapes of objects is improved. The parallel self-adaptive grasping robot dexterous hand is ingenious in structural design, small in size, few in driver, capable of automatically adapting to different sizes and shapes of objects, high in grasping capacity, large in range, stable and reliable.

The invention discloses a method for using human body palm biology information to identify identities, and relates to an identity identification method. The method for using the human body palm biology information to identify the identities includes following steps: a, collecting images of palm veins and finger outlines: collecting the images of the palm veins and the finger outlines through photographing once under 850nm near infrared light; b, extracting the lengths and the widths of a little finger, an index finger, a middle finger and a ring finger from the images, calculating relative information between the length and the width of each finger, and using the relative information as four finger outline feature information; c, positioning an area which the palm veins are interesting in, and extracting palm vein information so as to form palm vein feature information; d, identifying matching. The method for using the human body palm biology information to identify the identities solves the problem that identification accuracy is influenced due to the fact that the palm veins of a small quantity of crowds are poor in definition by adding finger outline features convenient to obtain, and furthermore meets requirements for single biology feature identification accuracy by using the palm vein information in a human body, which is high in security and high in user acceptance level, to identify the personal identities.

A proximity switch assembly and method for detecting activation of a proximity switch assembly is provided. The assembly includes a plurality of proximity switches each having a proximity sensor providing a sense activation field. A first proximity sensor generates a first activation field and comprises first and second electrodes having first fingers interdigitated with second fingers. A second proximity sensor generates a second activation field and comprises third and fourth electrode fingers having third fingers interdigitated with fourth fingers. The first and second electrodes are interleaved with the third and fourth electrodes.

The invention discloses an under-actuated self-adaptive mechanical arm, and belongs to the technical field of robots. The under-actuated self-adaptive mechanical arm can effectively achieve the purpose of self-adaptability to the shape and the size of a grasped object. A base is composed of a palm plate 1 and four fixed supports 2, a supporting arm 3 is vertically arranged in the form center position of the palm plate 1, the fixed supports 2 are arranged at the edges of the two sides of the two ends of the palm plate 3 respectively, and a sliding block 4 is connected with the supporting arm 3 through a cylindrical pair. Each first transmission rod 5 of a first transmission mechanism is connected with the sliding block 4 through a hinge, and each second transmission rod 6 is connected with the corresponding first transmission rod 5 through a hinge. Each second transmission rod 6 of a second transmission mechanism is a short straight rod, each third transmission rod 7 is an inequilateral right-angle rod, each fourth transmission rod 8 of a third transmission mechanism is an inequilateral right-angle rod, one end of each fourth transmission rod is connected with a corresponding first finger section 10 and a corresponding second finger section 11 through hinges, the right-angle part of each fourth transmission rod is connected with the corresponding transmission rod 7 through a hinge, and the other end of each fourth transmission rod is connected with a corresponding fifth transmission rod 9 through a hinge. The two ends of each fifth transmission rod are connected with the corresponding fourth transmission rod 8 and a corresponding third finger section 12 respectively. The under-actuated self-adaptive mechanical arm is mainly used for the robots.

A finger guarding device, in combination a culinary finger guard plate, two finger guards upstanding from a side of the plate and having spacing therebetween to receive a user's middle finger to extend generally parallel to the plate, each finger guard having a finger retention portion overhanging the plate to provide adjustable spaces to receive the user's first and third fingers, between said overhang portion and the plate.

The invention discloses a position-variable under-actuated robot hand device, which belongs to the technical field of anthropomorphic robots. The device has five independent control fingers and 15 joint degrees of freedom and is driven by 10 motors, wherein the middle finger, the third finger, the litter finger and the forefinger have the same structure and adopt double motor-driven three-joint rotation, and the thumb is capable of swinging laterally and adopts double motor-driven three-joint rotation. The structures of the fingers are similar and realize the initial configuration-changing self-adaptive grabbing functions of the fingers by using the motors, a transmission mechanism, a flexible piece and a spring piece, namely, the finger bends the middle joint before grabbing to assume a desirable preparation gesture to adapt to the size of an object automatically during grabbing. Through the adjustment of the initial configurations of the fingers, the grabbing stability is improved greatly. The device is compact in structure, high in integration level, similar to human hand in appearance, dimension, shape and motion, capable of stably grabbing and automatically adapting to objects with different shapes and dimensions, and applicable to the anthropomorphic robots.

The invention discloses a motion capturing glove for a virtual reality system and the virtual reality system. The motion capturing glove comprises three finger stalls, a glove body, a wrist part and an upper arm part, wherein the three finger stalls comprise a first inertial sensor, a second inertial sensor and a third inertial sensor which are arranged at second knuckles of a first finger stall, a second finger stall and a third finger stall respectively, so as to enable the virtual reality system to confirm movement information of a first finger, a second finger and a third finger wearing the motion capturing glove; the glove body comprises a fourth inertial sensor arranged at the back of the glove body, and is used for transmitting the movement information of the fourth inertial sensor so as to enable the virtual reality system to confirm the movement information of a palm wearing the glove body; the wrist part comprises a fifth inertial sensor arranged on a back side of the wrist part and is used for transmitting movement information of the fifth inertial sensor so as to enable the virtual reality system to confirm the movement information of a wrist wearing the wrist part; the upper arm part comprises a sixth inertial sensor so as to enable the virtual reality system to confirm the movement information of an upper arm wearing the upper arm part.