3100 results about "Hand parts" patented technology

A man-machine interface is disclosed which provides force information to sensing body parts. The interface is comprised of a force-generating device (106) that produces a force which is transmitted to a force-applying device (102) via force-transmitting means (104). The force-applying device applies the generated force to a sensing body part. A force sensor associated with the force applies device and located in the force applicator (126) measures the actual force applies to the sensing body part, while angle sensors (136) measure the angles of relevant joint body parts. A force-control unit (108) uses the joint body part position information to determine a desired force value to be applies to the sensing body part. The force-control unit combines the joint body part position information with the force sensor information to calculate the force command which is sent to the force-generating device.

Universal Video Computer Vision Input Virtual Space Mouse-Keyboard Control Panel Robot has computer system use video vision camera sensors, logical vision sensor programming as trainable computer vision seeing objects movements X, Y, Z dimensions' definitions to recognize users commands by their Hands gestures and / or enhance symbols, colors objects combination actions to virtually input data, and commands to operate computer, and machines. The robot has automatically calibrated working space into Space Mouse Zone, Space Keyboard zone, and Hand-Sign Languages Zone between user and itself. The robot automatically translate the receiving coordination users' hand gesture actions combinations on the customizable puzzle-cell positions of working space and mapping to its software mapping lists for each of the puzzle-cell position definition and calibrate these user hand and / or body gestures' virtual space actions into entering data and commands to computer meaningful computer, machine, home appliances operations.

A method for assessing improvement in hand hygiene practices using sanitation solution dispensers deployed within particular areas of interest in a healthcare facility or the like. Each of the dispensers has a counter associated therewith, with the counter producing a count indicative of actual events of a healthcare worker sanitizing his / her hands. Other data is acquired that impacts the number of anticipated hand sanitation events in this particular area of interest. From this data, a number of anticipated hand sanitation events is determined. Finally, a determination is made, from information obtained through actual observation, of the number of opportunities that healthcare workers will have for hand sanitation in the area of interest over a particular period of time. A performance index, indicative of compliance with hand hygiene protocol, is then obtained by dividing the difference between the actual number of hand sanitizing events and the number of anticipated hand hygiene events by the number of opportunities for such hand hygiene events. This index may then be used to gauge improvement or regression in hand hygiene practices in an area of interest, or to measure the effectiveness of intervention programs, or to compare performance between various areas of interest.

A wearable mobile scanner system processes a retail store purchase in a convenient, time efficient and reliable manner. The wearable mobile scanner system includes a forearm portion and a hand portion. The forearm portion comprises a main body member and at least one strap member and is adapted to secure the forearm portion upon a user's forearm. The hand portion comprises a central forehand member, a palm member, and a forefinger aperture, wherein the hand portion is aligned with the forearm portion and wherein the hand portion is adapted to receive a hand of the user. A trigger member is located on the forefinger aperture in communication with a USB scanner input device mounted on the central forehand member of the hand portion. A system integrated therein enables store level real-time inventory management and a fully functioning mobile POS for selling merchandise throughout the store and beyond its walls.

The present invention generally relates to systems and methods to promote proper handwashing. Specifically, it relates to systems and methods that provide feedback to the person who is washing his hands. It further relates to systems and methods for monitoring hand hygiene compliance. In a system aspect of the present invention, a system for promoting adherence to handwashing guidelines is provided. The system includes: a sensor for detecting a handwashing event; a controller that receives signals from the sensor and activates a timer; a timer for sending an observable signal to a handwasher; and, a power source that provides power to components of the system.

An identification badge worn by an individual is sensed when that individual enters a lavatory. The individual is also provided with an indication device which is worn on or about the hands. Inside the lavatory, there is also provided a hand cleaning station which includes a sensor that determines whether the indicating device is in close proximity and dispenses soap on the individual's hands, then provides an appropriate indication to a computer system. Should the badge sensor sense the individual's departure from the lavatory without an appropriate indication being generated by the indicator sensor, a warning signal is generated, which is sent to the computer system and to an appropriate officer, who can then address the individual.

The invention discloses an exoskeletal rehabilitation robot for upper limbs. The exoskeletal rehabilitation robot comprises a base, two mechanical arm assemblies and six motor driving components, wherein the base comprises a moving base, an electrical cabinet, an electric lifting post, a base platform, a motor mounting corner bracket, a base rotating motor, a coupling, a base main bearing block, a base and ball screw nut assembly, a base nut seat, a base shared secondary bearing block, a right support, a base linear guide rail assembly and a left support; the mechanical arm assembly comprises a mechanical shoulder girdle assembly, a mechanical shoulder joint assembly, a mechanical elbow joint assembly, a mechanical front arm assembly, a mechanical wrist joint assembly and a mechanical hand part assembly; each motor driving assembly comprises a motor and speed reducing component, a torque sensor component and a driving component which are respectively arranged on the same motor driving base frame. The exoskeletal rehabilitation robot can be worn on the upper limbs of the human body and can be used for assisting the upper limbs of the human body in moving in a three-dimensional space and performing rehabilitation training.

A device and method for reminding people to maintain hand hygiene. Further a device and method for reminding people to perform hand washing and obtaining hand hygiene compliance data in a patient care environment, which may be a hospital, a nursing home, or a food service facility, which may be a restaurant or cafeteria. A device and method for using accelerometry and / or additional sensor cues, which may include the sound of running water and / or alcohol odor, for sensing when a person has washed their hands, and for using accelerometry information and other cues to determine when a person has touched something, thereby contaminating his / her hands.

The invention discloses an exoskeletal rehabilitation robot for upper limbs. The exoskeletal rehabilitation robot comprises a base, a mechanical shoulder girdle assembly, a mechanical shoulder joint assembly, a mechanical elbow joint assembly, a mechanical front arm assembly, a mechanical wrist joint assembly, a mechanical hand part assembly and a motor driving assembly, wherein the base supports the whole exoskeletal rehabilitation robot for the upper limbs; the mechanical shoulder girdle assembly is connected with the base; the mechanical shoulder joint assembly is connected with the mechanical shoulder girdle assembly; the mechanical elbow joint assembly is connected with the mechanical shoulder joint assembly; the mechanical front arm assembly is connected with the mechanical elbow joint assembly; the mechanical elbow joint assembly is connected with the mechanical front arm assembly; the mechanical hand part assembly is connected with the mechanical wrist joint assembly; the motor driving assembly is used as a power source of the whole exoskeletal rehabilitation robot for the upper limbs. The exoskeletal rehabilitation robot disclosed by the invention can be used for assisting the upper limbs of a human body in moving in a three-dimensional space and performing rehabilitation training.

A method and a system for gesture recognition are provided for recognizing a gesture performed by a user in front of an electronic product having a video camera. In the present method, an image containing the upper body of the user is captured and a hand area in the image is obtained. The hand area is fully scanned by a first couple of concentric circles. During the scanning, a proportion of a number of skin color pixels on an inner circumference of the first couple of concentric circles and a proportion of a number of skin color pixels on an outer circumference of the first couple of concentric circles are used to determine a number of fingertips in the hand area. The gesture is recognized by the number of fingertips and an operation function of the electronic product is executed according to an operating instruction corresponding to the recognized gesture.

A sensor system for a steering wheel of a vehicle includes a first sensor disposed within a first portion of the steering wheel to detect contact with a front left surface of the steering wheel. The sensor system includes a second sensor disposed within a second portion of the steering wheel separate from the first portion to detect contact with a front right surface of the steering wheel. The sensor system also includes a third sensor disposed within the steering wheel to detect contact with a rear surface of the steering wheel. The first, second and third sensors are configured to respectively detect touching of the front left surface, the front right, and the rear surface of the steering wheel by a hand or a non-hand part of an operator of the vehicle. The first, second and third sensors can be complex impedance sensors.

A method of measuring hand hygiene compliance includes the steps of maintaining a computer database, and determining whether any person entered a first area independent of whether the any person includes a sensor. The method also includes the steps of determining whether the any person left the first area and entered a second area, and determining whether the any person performed hand hygiene before leaving the first area. Moreover, the method includes the step of sending information associated with whether the any person performed hand hygiene before leaving the first area to the computer database.

A prosthetic device (12) and liner (14) form a prosthetic system (10) that can substantially mimic the cosmetic and functional qualities of a human hand. A harness (22) is adapted to fit about a remnant portion (16) of a hand (18). The harness has an opening (26) for accommodating the liner (14). A moveably mounted opposition member (24) is supported by the harness (22) and sensors (60, 62) positioned about the harness (22) detect a force exerted by an area (40) in proximity to the hypothenar eminence of remnant portion. Once a force is detected by either sensor (60, 62) a signal is communicated to a controller (70) which activates a motor (100) causing motion of the opposition member (24).

A walking rehabilitation and exercise machine in the form of an elliptical style machine closely replicates the mechanical foot motions of walking, while incorporating hand motion to help a disabled or injured person retrain muscles in a proper walking gait and improve physical fitness. The device includes an electrically adjustable seat, independent left or right electrically adjustable stride and an electric flywheel drive to assist the operator.

Gesture Interface Robot auto measure work zone to establish virtual puzzle cell locate in user gesture comfortable area where easy moving hands gesture to push out select virtual keys, prevent injury. Robot drawing virtual keyboard images graphic that display each puzzle cell command, and video vision sensing detect user's hand location that on its virtual keyboard in the workspace zone. Special unique gesture hand sings design for enhances hand control virtual key selections. Push hand z dimension distant divide into 3 select zones. Real-time display highlight selected key graphic image to visual indicate for user to see. Using UIRT cable sending IR signal remote control computer, machine. Instantly generate virtual puzzle cell keyboard or controller that user selected. Introduce new gesture interface method, a Touch Screen Mouse combine with Puzzle Cell virtual keys in sandwich layers gesture zones method for operate computer keys and mouse operations, robot.

A method for assessing improvement in hand hygiene practices using sanitation solution dispensers deployed within particular areas of interest in a healthcare facility or the like. Each of the dispensers has a counter associated therewith, with the counter producing a count indicative of actual events of a healthcare worker sanitizing his / her hands. Other data is acquired that impacts the number of anticipated hand sanitation events in this particular area of interest. From this data, a number of anticipated hand sanitation events is determined. Finally, a determination is made, from information obtained through actual observation, of the number of opportunities that healthcare workers will have for hand sanitation in the area of interest over a particular period of time. A performance index, indicative of compliance with hand hygiene protocol, is then obtained by dividing the difference between the actual number of hand sanitizing events and the number of anticipated hand hygiene events by the number of opportunities for such hand hygiene events. This index may then be used to gauge improvement or regression in hand hygiene practices in an area of interest, or to measure the effectiveness of intervention programs, or to compare performance between various areas of interest.

An apparatus, system, method, and computer program and computer program product are provided for constraining the movement of a graphical hand when the physical hand controlling the graphical hand does not have a similar physical constraint. The constraining technique may comprise use and analysis of a revolute-joint-link-spring model. In such a model, an uncompressed / unextended spring position represents the corresponding measured joint angle or link position. In addition to linear springs which follow Hook's Law, i.e., F=k*x, non-linear springs or other non-linear force functions may be employed to obtain the desired result of allowing a graphical joint or link to deviate from what the corresponding measured joint or link provides. In particular, if a graphical hand configuration corresponding to measured joint and link positions causes a portion of the hand to penetrate a simulated graphical solid object, a mathematical determination is used to compute modified joint and link positions such that the graphical hand part will no longer penetrate the graphical solid object. Such a constraint technique may include solving a spring model such that the various joint and link springs compress or extend to produce modified joint and link positions. Such a constraint technique may also be applied to constrain other graphical body parts and graphical inanimate objects, where corresponding physical controlling, i.e., measured, body parts and inanimate objects do not possess a similar constraint or impediment.

Sensors around the periphery of the remote control unit detect contact with the user's hand. A trained model-based pattern classification system analyzes the periphery sensor data and makes a probabilistic prediction of the user's hand size. The hand size is then used to control a mapping system that defines how gestures by the user's thumb upon a touchpad of the remote control unit are mapped to the control region upon a separate display screen.

The invention discloses a motion-sensing follow-type flight control system and method. The motion-sensing follow-type flight control system comprises a remote controller and an aircraft. The remote controller comprises a power supply system, an acceleration sensor, a digital-analog converter, a microcontroller and a radio transmission module. The aircraft comprises an information receiving module, an acceleration sensor, a gyroscope sensor, a barometer sensor, a data processing module and a control driving module. The remote controller obtains the acceleration magnitude of the hand through the acceleration sensor, collects motion data of the hand, and processes the motion data through the digital-analog converter. Then, the microcontroller calculates the acceleration change of the aircraft according to the acceleration change of the hand, and transmits a corresponding control instruction to the aircraft through the radio transmission module, so that the aircraft follows motions of the hand to cope and magnify the control motions guided by the hand, the aircraft is guided to fly in various corresponding flight paths by following the motions of the hand, and the immersive feeling is brought to an operator.

The invention relates to a set of virtual performance system based on hand motion induction, which comprises a data acquisition glove, a machine vision module, a transmission module, a processing module and a peripheral device, wherein the data acquisition glove induces hand motion; the machine vision module induces hand position information; the transmission module transmits information acquired by the data acquisition glove and the machine vision module to the processing module; the processing module identifies the motion performed by a musical instrument from the received hand information, and generates performance sound and specific scene of the musical instrument; and the peripheral device feeds back the sound and the scene to an operator. The invention provides a virtual musical instrument for carrying out human-computer interaction by using the glove, which has the same or similar play skill as a real musical instrument, so that the operator can naturally and flexibly carry out virtual performance; and simultaneously the performance sound and the specific scene of the musical instrument are fed back to the operator, so that the operator can carry out performance more directly and naturally.

The invention provides a device and method integrating gesture recognition and ultrasonic tactile feedback. The device integrates a functional unit comprising a camera, an illumination unit and an ultrasonic spray head assembly inside gloves, feeds back the hand operation in real time, achieves accurate identification and tracing to the hand actions of a user and converts tactile information fed back into forces or force moments directly acting the hands of the user, so that an operator can produce a real touch feeling in a virtual environment, and meanwhile touch feeling at multiple angle and strengths can be also simulated, the gesture recognition speed and accuracy are improved, and the fidelity and immersion degree of virtual reality experience are increased. The invention also relates to application of the device integrating gesture recognition and ultrasonic tactile feedback in virtual reality, augmented reality and mixed reality.

The embodiment of the present invention relates to the technical field of communication and computer, and provides a hand posture estimation method and apparatus based on deep learning. The hand posture estimation method based on deep learning includes the steps: performing hand interesting area detection on a depth image, and segmenting hand image from the hand interesting area; according to the hand image, acquiring a three-dimensional point cloud image of the hand; and utilizing the deep learning technology to perform hand posture estimation on the three-dimensional point cloud image of the hand. The hand posture estimation method based on deep learning avoids the operation of manually extracting the hand characteristics, and greatly improves the robustness of the hand posture estimation effect.

A hand surface cleaning apparatus comprises at least one cyclone and at least one dirt collection chamber The dirt collection chamber may be removable from the surface cleaning apparatus as a sealed unit for emptying and / or the dirt collection chamber may be removable with the nozzle.

The invention discloses a three-dimensional gesture estimation method and a three-dimensional gesture estimation system based on depth data. The three-dimensional gesture estimation method comprises the following steps of S1, performing hand region of interest (ROI) detection on photographed data, and acquiring hand depth data, wherein the S1 comprises the processes of (1), when bone point information can be obtained, performing hand ROI detection through single bone point of a palm; (2) when the bone point information cannot be obtained, performing hand ROI detection in a manner based on skin color; S2, performing preliminary estimation in a hand three-dimensional global direction, wherein the S2 comprises the processes of S21, performing characteristic extracting; S22, realizing regression in the hand global direction according to a classifier R1; and S3, performing joint gesture estimation on the three-dimensional gesture, wherein the S3 comprises the processes of S31, realizing gesture estimation according to a classifier R2; and S32, performing gesture correction. According to the three-dimensional gesture estimation method and the three-dimensional gesture estimation system, firstly cooperation of two manners is utilized for dividing hand ROI data; afterwards estimation in the hand global direction is finished according to a regression algorithm based on hand ROI data dividing; and finally three-dimensional gesture estimation is realized by means of the regression algorithm through utilizing the data as an aid. The three-dimensional gesture estimation method and the three-dimensional gesture estimation system have advantages of simple algorithm and high practical value.

A hand drying apparatus includes a main body box case 1 that has a hand inserting portion 3 formed in a concave shape at an upper portion; a high-pressure airflow generator 2 that generates high-pressure airflows and is included in the main body box case; and a front side air nozzle 6a and a back side air nozzle 6b that eject the high-pressure airflows generated by the high-pressure airflow generator 2 into the hand inserting portion 3 and face each other. The front side air nozzle 6a and the back side air nozzle 6b are formed by a plurality of slit-shaped ejecting holes 7 arranged in a line, respectively, and both or any one of lengths and arranging intervals of the slit-shaped ejecting holes 7 is different between a front side and a back side. A hand drying apparatus that can prevent noise and realize high drying performance and excellent usability without employing a complicated construction is obtained.

Movement of a graphical hand is constrained when the physical hand controlling the graphical hand does not have a similar physical constraint. An analysis of a revolute-joint-link-spring model in which an uncompressed / unextended spring position represents the corresponding measured joint angle or link position is used. Linear springs , non-linear springs, or the like may be employed to obtain the desired result of allowing a graphical joint or link to deviate from what the corresponding measured joint or link provides. If a graphical hand configuration causes a portion of the hand to penetrate a simulated graphical solid object, a mathematical determination is used to compute modified joint and link positions such that the graphical hand part will no longer penetrate the solid object. Such a constraint technique may include solving a spring model such that the various joint and link springs compress or extend to produce modified joint and link positions.

The present invention provides an arm model apparatus for intravenous injection training, comprising: an arm model having an insertion grooved recess formed on a top thereof, the arm model being formed such that the arm model are twisted so as to allow the back of a hand part and a cubital fossa to be oriented upwardly; a skin pad detachably mounted into the insertion grooved recess and having a blood vessel-imitating tube formed therein; a pump drive unit connected to the a blood vessel-imitating tube by a pad connecting tube; and a liquid blood supply container connected to the pump drive unit by a container connecting tube and configured to supply blood stored therein to the blood vessel-imitating tube. The inventive arm model apparatus implements a realistic skin sensation as if a syringe needle penetrated through the blood vessel of the human body through the arm model.

The invention discloses a 3D (three-dimension) man-machine interaction method which comprises the steps of: configuring electronic tags with different IDs (identification card) for a hand part, configuring a radio-frequency electromagnetic field including a 3D virtual man-machine interface imaging space; obtaining related information of the electronic tags on the hand part after the hand part enters the radio-frequency electromagnetic field; obtaining position information, movement speeds, movement directions and movement tracks of different fingers and the palm in the 3D virtual man-machine interface imaging space according to obtained related information of the electronic tags; carrying out matching treatment on the position information and a control piece or hot spot displayed in the 3D virtual man-machine interface imaging space; judging whether an action of the fingers or palm accords with touch action definition of the control piece or hot spot in the 3D virtual man-machine interface imaging space, and triggering the operation of the control piece or hot spot in the 3D virtual man-machine interface imaging space. The invention also provides a 3D man-machine interaction system. According to the technical scheme disclosed by the invention, naked 3D man-machine interaction according with the accuracy control requirements can be achieved.