159 results about "Finger force" patented technology

The present invention provides a portable electronic device holder. A lower adapter support piece supports two lower adapter arms. An upper adapter arm is supported by a adjustable rod. An adjustment fitting is connected to the lower adapter support piece and the adjustable rod is slidingly connected to the adjustment fitting and can be slid up and down by utilization of finger force. A portable electronic device is mounted and held secure as it is squeezed between the upper adapter arm and the two lower adapter arms. In a preferred embodiment the portable electronic device holder is mounted by either inserting the adjustable rod into a hollow pedestal attached to a base or by attaching the lower adapter arm support piece to a dual T mount of a separate mounting device.

A bicycle hydraulic disc brake master cylinder includes a housing having a bar clamp at one end configured for fastening the housing to a bicycle handle bar, the bar clamp receiving the handle bar along a clamp axis. A handle is pivotably connected to the housing to pivot about a pivot axis in operative association with a piston train to impart a drive force on the piston train. The handle defines a finger receptacle receiving at least one finger of a user defining an effective force point at a select distance from a distal end of the handle. A select ideal finger actuation path for the at least one finger of a user begins at a start point at the effective finger force point with the handle at an engagement point where the handle begins to drive the piston train against operative fluid resistance and extends along a line from the start point at a select angle relative to the clamp axis. A pivotable connection is provided between the handle and the housing and is located on the housing relative to the clamp axis so that with the handle actuated by a force applied to the effective finger force point along this select ideal actuation path, a mechanical advantage to the user resulting from the handle actuation does not diminish more than three percent as the handle is pivoted between the engagement point and a fully actuated position.

A device comprises of independent trigger bow (58) supplied with overlapping recess (64) and a trigger block (10) having a bow guide recess (20), pivot hole (14) with axis pin (34A), primary lever (28) having a axis hole (30) at one end and a bow extender recess (32) and a trigger plate (36A) having a pre-load bar (56) and stopper bar (54) that can be assembled into a module to allow easy installation on trigger tunnel (85) of firearm(88) for reduce firearm trigger pull weight without altering firearm (88). Block (10) is being equipped with catches (12) extending sideways and adjacent with bow guide recess (20) which will overlap with recess (64) of bow (58) to allow both the bow (58) and block (10) to occupy in one same area which allow anchoring against a bow tunnel (83) end wall and supplied with magazine cut (15) disposed on the upper left of block (10) to allow for a magazine passage. As trigger plate (36A) is depressed with finger within a given point on trigger plate (36A) upon firing the finger force will be shifted directly into the adjustable preload bar (56) and synchronizes into the outermost lever end at point (27) of lever (28) producing a high torque leverage which reduces firearm trigger pull weight or load force from the trigger bow (58) energized from sear (70), hammer (72) and hammer spring (82). The trigger plate (36A) being retained with pivot pin (34A) through retaining slot (40A) is supplied with plate bearing (42) and bottom bearing (48) will slide against a frame upper bearing (79) and against s block plate bearing (17) of block (10) respectively, will function as an advancing global pivot point which will changed a rotational action of lever (28) into a linear straight pull action to maintain firearm standard straight action and reducing the trigger pull weight.

A lens unit with two lens elements each having special surfaces such that an adjustment of the position of one of the two lens elements relative to the other in a direction generally perpendicular to a viewing direction changes the focusing power of the lens unit. In preferred embodiments two lens units are mounted in a frame to provide eyeglasses with adjustable focus. Several frame designs are described. In preferred embodiments two lens units, each lens unit having two lens elements are mounted in a frame to provide eyeglasses with adjustable focus. Several designs are described. Some designs provide for movement side to side movement of the lens elements relative to each other. In other designs the relative motion is up and down. A simple technique is a thumbscrew adjustment that is operated by the wearer. Another design is based on finger force against a friction force. In some preferred embodiments separate frames holding the lens elements pivot about pivot points on the earpiece of a support frame. In other designs two rear lens elements are mounted in a support frame and the front lens elements are mounted in a separate frame that pivots about a point on the earpiece of the support frame. Another design includes a torsion bar assures that the movements of each lens element in one of the lens units is the same as the movements of the lens elements in the other lens unit. Techniques for automatic focusing of the lenses are also disclosed. Techniques for automatic focusing of the lenses are also disclosed.

This disclosure includes a hand motion-capturing device with a force feedback system. In some embodiments the device includes a base, a microcontroller connected to the base, a thumb sensor module and four-finger sensor modules each electrically connected to the microcontroller. In some embodiments, the device may include five-link rods that interconnect the thumb sensor module to the base and each of the four-finger sensor modules to the base. In some embodiments, the device includes a thumb force feedback system adapted and configured to receive a human thumb and a four-finger force feedback system adapted and configured to receive an index finger, a middle finger, a ring finger, and a little finger. The thumb force feedback system and the four-finger force feedback system may each be movably connected to respective link rods and the thumb sensor module and four-finger sensor modules, respectively.

The invention relates to a myoelectric prosthesis gesture and force control method and belongs to the technical field of myoelectric prosthesis. The method comprises the steps of acquiring forearm surface electromyogram signals; transmitting the multiple channels of surface electromyogram signals into a gesture identification model and a finger force identification model by segments through a moving window; in the gesture identification model, detecting the mobile segment of each signal firstly, extracting biological electromyogram signal feature information, and conducting data dimension reduction on the feature information; conducting real-time action identification and classification according to the feature information obtained after dimension reduction; in the finger force identification model, conducting normalization on original data of the forearm surface electromyogram signals, selecting a channel of surface electromyogram signals most closely related to each finger force linearly through correlation analysis, and conducting linear control on the finger force of myoelectric prosthesis with the surface electromyogram signals corresponding to different fingers respectively. By the adoption of the method, a prosthesis user can naturally and directly control the gesture and finger force of myoelectric prosthesis to achieve basic daily movement, and therefore the identity sense and living convenience of the prosthesis user are improved.

The invention discloses a pneumatically driven force feedback and tactile feedback apparatus. The force feedback and tactile feedback apparatus comprises a tactile-force feedback glove apparatus and a tactile-force control system, wherein the tactile-force control system comprises a main control module, a tactile feedback module, a force feedback module and an AD conversion module; the AD conversion module performs analog-digital conversion on finger force data acquired by a sensor arranged on the tactile-force feedback glove apparatus; the main control module controls the opening or closing of an air cylinder in the force feedback module according to the converted finger force data to generate force feedback, and controls a diaphragm pump in the tactile feedback module to fill an airbag with air according to the converted finger force data to generate tactile feedback; and the tactile-force feedback glove apparatus performs a movement according to the force feedback generated by a piston movement in the force feedback module and the tactile feedback generated by the airbag mounted on gloves in the tactile feedback module. The force feedback and tactile feedback apparatus has the advantages of safety, portability and low cost.

The invention discloses an immersive attention training system combining vision and discrete force control tasks. The system, by frequently conducting attention and finger force focusing activity training and through an adaptive algorithm, can automatically regulate the difficulty of training tasks so as to adapt to increasing control capacity of a user or individual difference of different persons; and meanwhile, the initiative and attention input of the user in the training tasks can be constantly kept at a maximum level, so that the purpose of improving the attention and finger force control of target people is achieved.

Techniques for obtaining force-based data of an input device are provided. The techniques include driving sensor electrodes in transcapacitive mode and in absolute capacitive mode, obtaining profiles for each of the modes, scaling the transcapacitive profile, and subtracting the scaled transcapacitive profile from the profile for absolute capacitive sensing. The result of this subtraction is force-based data that indicates the degree of force with that input object applies to the input device. These techniques may be used with an input device in which a plurality of sensor electrodes are divided into two or more segments. Independent sets of force-based data can be obtained for each segment, which allows for determination of a location associated with each set of force-based data.

A supporting system is provided on a saxophone for offering assistance to the player, and includes pressure sensors monitoring the touch pieces of the keys, power assisting units equipped with torque motors provided for the keys and a controller connected to the pressure sensors and the power assisting units; a conversion table for depressed touch pieces and another conversion table for released touch pieces are prepared in the controller, and different relations between the finger force and the amount of current to be supplied to the torque motor are respectively defined in the conversion tables, respectively; the amount of current to be supplied is read out from the conversion tables depending upon the increase and decrease of finger force so that the player quickly closes the tone whole with the padded cup without curious key touch.

A finger operated spray pump has a liquid reservoir (1), a cylinder (3) for containing a portion of the liquid from the reservoir (1) which is connected at one end to an atomizer (5), a piston (6) sealingly mounted within the cylinder (3) and movable within the cylinder (3) in a spray stroke, a passageway (7) connecting the cylinder (3) with the liquid reservoir (1), a one way valve (8) at the passageway (7) for allowing a flow of liquid only from the supply of liquid (2) into the cylinder (3), and a finger operated actuator (9) which is displaceable relative to the liquid reservoir (1). The outer diameter of the piston (6) and the corresponding inner diameter of the cylinder (3) is between about 0.5 mm and about 4.0 mm, the nozzle diameter of the atomizer (5) is between 15 μm and 150 μm, the operating pressure within the cylinder (3) during the spray stroke with average finger force is between 10 bar and 400 bar and the atomizer (5), the cylinder (3), the piston (6) and the one way valve means (8) are designed to withstand the operating pressure.

The invention provides a fingerprint recognition switch activated by pressing. The fingerprint recognition module comprises activator, to produce acute position signal and obtain power after receiving activate command that is finger takes action activator can receive; press switch, to run recognition program that is run by the program and produce recognition result if being pressed after obtain power; fingerprint sensing plate, that is on top of press switch and used to obtain fingerprint; and fingerprint recognition processor. When finger forces on fingerprint sensing plate, it presses indirectly the press witch; and as finger is very close to fingerprint sensing plate, ob needed fingerprint for recognition program, then run recognition program.

This disclosure includes a force feedback system. In some embodiments, the system includes a base, a microcontroller communicatively coupled to a computing device, a thumb force feedback unit, and four finger force feedback units. The thumb force feedback unit may be configured to capture thumb motion and provide force feedback according to input from the computing device. Additionally, each of the four finger force feedback units may be configured to capture finger motion and provide force feedback according to input from the computing device. In some embodiments, the system includes at least one vibrational actuator configured to produce a physical stimulus.

The invention discloses a piano finger force trainer which comprises a supporting cylinder (1). Finger pressing inserts (2) are inserted into two ends of the supporting cylinder (1) and can slide in the supporting cylinder (1) after being pressed, and first reset springs (3) are arranged in the supporting cylinder (1) and positioned among two groups of finger pressing inserts (2). The piano fingerforce trainer is simple in structure and convenient to carry, finger force can be independently trained, and spans among a thumb and other fingers can be trained.