1281 results about "Touchpad" patented technology

The invention relates to the field of vibration detection technology, and discloses a vibration detection method and device for a force-sensing touch pad of a notebook computer. The method comprises collecting an original signal of the force-sensing touch pad based on an acceleration sensor, filtering the original signal to obtain an acceleration signal of the force-sensing touch pad, performing multi-level decomposition on the amplitude and phase information of each frequency component, converting all feature data of a multi-scale feature matrix into standard data with zero mean and unit variance, performing covariance matrix calculation on the standardized acceleration feature data, performing classification prediction processing on the reduced-dimensional feature matrix, obtaining a classification result and a confidence score, and generating a detection report in combination with the classification result and the confidence score; the vibration characteristics of the force-sensing touch pad in different areas are accurately captured, and the amplitude and phase characteristics of the vibration signal of the force-sensing touch pad can be accurately analyzed, thereby comprehensively reflecting the vibration intensity distribution in different areas, and effectively enhancing the detection capability of the vibration intensity deviating from the design value.

A touch pad device includes a base unit, a touch unit and a resilient unit. The base unit includes a bottom plate and a supporting member disposed on the bottom plate. The touch unit includes a touch pad, a circuit board connected to the touch pad, and a switch button disposed the circuit board. The switch button corresponds in position to the supporting member. The resilient unit is disposed between the bottom plate and the circuit board, and includes a resilient plate connected to the bottom plate, and a reinforcing frame connected between the resilient plate and the circuit board. The resilient plate has two resilient piece portions, and an abutment portion connected to the resilient piece portions and supported by the supporting member. The abutment portion is positioned between the switch button and the supporting member. The reinforcing frame is connected to the resilient piece portions.

A touch pad is configured to receive input operations using objects including a finger and a stylus. The touch pad includes a touch screen including a touch detection surface that serves as a button and as a position detection region for detecting positions of the objects. The touch pad includes an integrated circuit having an object detection function of detecting the positions of the objects on the touch detection surface and a button function of detecting a press state of the button based on a force applied to the touch detection surface. The touch pad includes a button function stop unit configured to cause, according to an operation state of the stylus or according to a setting related to an input operation of the stylus, the integrated circuit to stop outputting a button press state value indicative of the press state detected by the button function.

An input device includes a first touchpad, a second touchpad, and circuitry. The circuitry outputs a first code assigned to a single operation on the first touchpad when the single operation is performed on the first touchpad, and a second code assigned to a combined operation when the combined operation is performed. The combined operation is a combination of operations on both the first touchpad and the second touchpad. When the single operation is performed on the second touchpad while the circuitry is outputting the first code, the circuitry continues to output the first code without outputting the second code, or when the operation on the second touchpad ends and the operation on the first touchpad continues while the circuitry is outputting the second code, the circuitry continues to output the second code without outputting the first code.

A game controller for controlling the play of computerized games and other related control systems includes a plurality of pressure sensitive touch controls, capacitive controls, and touch pad controls which are configured to initiate commands and perform other desired operations and functions. The sensitivity of the controls can be adjusted and their function can be programmed and customized.

The embodiment of the invention discloses a pressure touchpad and a pressure sensing detection method thereof, and relates to the technical field of touchpads, the pressure touchpad comprises a substrate layer, an FPC, a touch layer, a touch sensing layer and a piezoelectric layer; the touch layer is arranged above the touch control sensing layer; the touch sensing layer is arranged above the substrate layer; the piezoelectric layer is arranged below the substrate layer; the FPC is arranged on one side of the substrate layer, and the FPC is electrically connected with the touch net and the piezoelectric layer; wherein the piezoelectric layer vibrates under the excitation of an electric signal of the FPC; the piezoelectric layer receives external force above the piezoelectric layer to deform and generate an electric signal; and the touch sensing layer is used for sensing capacitance change to generate an electric signal. The pressure touch panel is simple in structure, the thickness is greatly reduced, and the cost is also reduced.

The invention relates to a drawing method and device based on touch panel pressure detection, a medium and equipment, and the method comprises the steps: determining a touch distance between a touch starting point of a touch drawing operation on a touch panel and a pressure sensor of the touch panel, and determining a resolution ratio of the touch panel to a display screen; determining a target display scale of the drawing coordinate system according to the resolution ratio, and adjusting the display scale of the drawing coordinate system according to the target display scale; determining drawing information of the drawing pen according to the pressure at the touch starting point, and controlling the drawing pen to execute pressing drawing according to the drawing information; in the pressing drawing process, in response to a newly-added touch drawing operation on the touch panel, determining drawing adjustment information according to pressing point information of the newly-added touch drawing operation and whether a track pressing point in the pressing movement track displaces or not; drawing adjustment is conducted according to the drawing adjustment information, and the drawing pen is continuously controlled to execute pressing drawing with the pressing movement track as the drawing track based on the completed drawing adjustment.

An information handling system may include a processor, a memory, a radio to transceive wirelessly via an antenna with a wireless network, and a touchpad to receive touch input via a surface of the touchpad when the information handling system is detected in a clamshell configuration, where the touch input is received by a touchpad driver and processed to a corresponding touch input command. An orientation sensor to detect when the information handling system is changed to a tablet configuration and a controller to deactivate the touchpad to receive the touch input for processing to a corresponding touch input command and to activate and operatively couple a metallic layer of the touchpad to a proximity sensor integrated circuit to detect when a user's body is close to the antenna to reduce the power for transmission via the antenna to reduce a specific absorption rate (SAR) level.

The invention relates to a touchpad pressure measurement and touch vibration system and electronic equipment. The touchpad pressure measurement and touch vibration system comprises a driving circuit, a touchpad chip, a plurality of integrated sensors connected with the driving circuit and the touchpad chip, and a capacitance scanning and finger recognition device connected with the touchpad chip. Wherein the integrated sensor comprises a first electrode arranged on the touchpad and a second electrode arranged on piezoelectric ceramic, and the piezoelectric ceramic and the touchpad are separated by a plurality of gaskets to form a cavity structure; the touchpad chip is used for measuring the pressure on the touchpad according to the capacitance value between the first electrode and the second electrode, and determining whether to start the capacitance scanning and finger identification device for fingerprint identification according to the pressure and identifying whether the touchpad is touched or not; and the driving circuit is used for driving the corresponding piezoelectric ceramics to perform touch vibration according to the integrated sensor subjected to touch control.

A light-emitting module includes a light-blocking sheet and a light guide sheet that are arranged on a circuit board. The circuit board includes a light-emitting element. The light-blocking sheet has a hollow portion and a light-blocking portion. The light guide sheet is arranged in the hollow portion, and has a light incident portion and a light guide portion, where the light incident portion includes a first side surface, a second side surface, and a third side surface, the first side surface is adjacent to the light-emitting element, the second side surface and the third side surface are separately connected to the first side surface, the angle formed between the second side surface and third side surface, the angle is smaller than a light-emitting angle of the first light-emitting element, and the light-blocking portion is arranged adjacent to the second side surface or the third side surface.

A touch pad, on which a pointing operation is performed by a hand, includes: a sensor board configured to recognize a touch position by a hand; an outer frame configured to be fixed to the sensor board; an arm portion configured to be disposed on an inner side of the outer frame; a switch configured to be provided between one end of the arm portion and the sensor board; a shaft support portion configured to support the arm portion to be capable of being inclined in a pitch direction at an intermediate portion; and an elastic body configured to bias the sensor board upward with respect to a base. The other end of the arm portion is supported to be displaced in a lifting / lowering direction together with the sensor board.

A touch pad, on which a pointing operation is performed by a hand, includes: a sensor board configured to recognize a touch position by a hand; an outer frame configured to be fixed to the sensor board; a cross-shaped inner frame configured to be disposed on an inner side of the outer frame, in which one ends of four arm portions are connected and the other ends extend toward four locations of the outer frame; a switch configured to be provided between the one end of the arm portion and the sensor board; and a shaft support portion configured to support each of the four arm portions to be capable of being inclined in a pitch direction at an intermediate portion. The other end is displaced in a lifting / lowering direction together with the sensor board, and is supported to be relatively displaceable in the other two directions.

A touchpad and palm rest base chassis assembly for an information handling system may comprise a base chassis for enclosing the information handling system including a keyboard opening, and a plurality of palm rest support surfaces, and a composite substrate of woven glass fiber impregnated with polycarbonate material forming a touchpad surface, through which haptic feedback may be provided and touch may be sensed by capacitive sensors including a printed circuit board assembly (PCBA) operatively connected to the composite substrate having a light emitting diode (LED) disposed within an etched opening on the underside of the composite substrate formed to guide LED light into the light transmissive composite substrate of the touchpad surface to illuminate an icon opening within an inked surface of the composite substrate to negate need of a separate light guide layer, and the touchpad and palm rest base chassis assembly affixed to the base chassis.

An input device includes a housing, a touch pad, and a guide portion. The touch pad is disposed on at least one of a right side surface, a left side surface, a front side surface, and a rear side surface of the housing along the at least one side surface. The guide portion is disposed on the at least one side surface. The guide portion is located below the touch pad. The guide portion extends along the at least one side surface. The guide portion protrudes outward relative to the touch pad.

A touchpad device includes a substrate, a touch panel, and a balancing assembly. The substrate is provided with an elastic resilient member. The touch panel is disposed above the substrate and has an inner surface, and the inner surface has a first corner, a second corner, a third corner, and a fourth corner. The balancing assembly is disposed between the touch panel and the substrate and includes a first balancing bar, a second balancing bar, a third balancing bar, and a fourth balancing bar. Two ends of the first balancing bar, two ends of the second balancing bar, two ends of the third balancing bar, and two ends of the fourth balancing bar are respectively adjacent to the elastic resilient member and the first corner, the elastic resilient member and the second corner, the elastic resilient member and the third corner, and the elastic resilient member and the fourth corner.

The embodiment of the invention relates to the technical field of touch pads, and discloses a capacitive touch pad and electronic equipment. The capacitive touch pad comprises a first circuit board, a second circuit board, a support and a capacitor assembly; the support is arranged on the first surface of the first circuit board, and the second circuit board is arranged on the support in the direction away from the first surface. The second surface, facing the bracket, of the second circuit board is opposite to the first surface; the capacitor assembly comprises a conductor plate and an electrode plate arranged opposite to the conductor plate. The conductor plate is arranged on the first surface, and the electrode plate is arranged on the second surface; the electrode plate comprises a first electrode plate, a first isolation plate arranged around the edge of the first electrode plate and a second electrode plate arranged around the edge, away from the first electrode plate, of the first isolation plate; the first polar plate and the second polar plate are electrically connected with the second circuit board; therefore, the accuracy of pressure detection of the touch panel is improved.

Computing devices, touchpads, and related methods for adjusting a force threshold for touch input on a touchpad are disclosed. In one example, a computing device comprises a force sensing touchpad, a processor, and a memory storing instructions executable by the processor to receive a first contact on the touchpad. An area of touch of the first contact is determined, and an adjusted force threshold for touch input is determined based at least on the area of the touch. A second contact is received on the touchpad, and a touch force of the second contact is determined. Based at least on determining that the touch force exceeds the adjusted force threshold, a touch input on the touchpad is registered.

According to the touch structure, the touchpad and the electronic equipment, the covering layer makes contact with a finger or a touch pen of a user, the touch layer is touched on the covering layer to generate the touch electric signal, in order to respond to excitation of the electric signal of the corresponding touch layer, the piezoelectric layer vibrates, the touch layer generates the excitation signal and transmits the excitation signal to the upper mechanism, and therefore the touch control effect is achieved. The piezoelectric layer is made of piezoelectric glass and vibrates after being powered on, vibration replaces arrangement of a vibration motor or several discrete piezoelectric ceramic pieces in the prior art, occupation of the structure space is obviously reduced, the overall thickness of the structure is reduced, consideration of traditional design on the whole touchpad structure is greatly simplified through the vibration mode, and the design cost is reduced. And the vibration design of the touch panel is almost standardized. More importantly, the mode of utilizing the whole plane to vibrate integrally avoids the user experience of inconsistent vibration handfeel at different positions of the touch panel due to different placement positions of the vibration motor, and greatly improves the vibration feedback experience of the user.

A portable information handling system is assembled and disassembled by a keystone assembly that couples at an upper surface of the portable housing to overlap a keyboard assembly that covers processing components disposed in the portable housing. The keyboard assembly includes a membrane having a first portion with key press detection sensors contiguous to a second portion with a touch detection sensor that supports a touchpad. In one embodiment, the membrane integrates a printed circuit board that couples a key matrix controller and a touch detection controller interfaced with a communications hub, such as a USB hub, to communicate key and touchpad inputs to a motherboard through a flexible connector portion of the membrane.

The invention relates to the field of touchpad film materials, and discloses a preparation process of a touchpad mylar and a product. The preparation process of the touch panel mylar comprises the following steps: S1, transferring a texture layer on one side surface of a base material layer by using UV transfer printing glue; s2, carrying out three times of silk-screen printing on the other side surface of the base material layer to sequentially form a first metal ink layer, a second metal ink layer and an insulating ink layer; s3, performing vacuum coating on the texture layer to form a wear-resistant anti-fingerprint layer; and S4, adhering an adhesive layer with a release film to the insulating ink layer, and performing die cutting to obtain the touch panel mylar. The prepared touchpad mylar has good metal texture, wear resistance, smoothness and insulativity, the ink layer and the base material layer are stably attached, the ink layer is not prone to falling off and layering under the use conditions of long-term environment temperature and frequent screen touching of the touchpad mylar, and the touch sensitivity is good.

An operating apparatus and an input apparatus for an ultrasound imaging system, and an ultrasound imaging system. The operating apparatus includes a plurality of operating surfaces, wherein at least one of the plurality of operating surfaces is mounted with a trackball assembly and at least one other of the plurality of operating surfaces is mounted with a touchpad assembly, and the operating apparatus can be flipped so that one of the trackball assembly and the touchpad assembly can be selected for controlling the ultrasound imaging system.

Methods and computing devices for estimating a force F exerted on a touchpad are disclosed. In one example, a method comprises determining that the touchpad is not being touched. At least on condition of determining that the touchpad is not being touched, a no-touch capacitance value of the PCB is calculated. After calculating the no-touch capacitance value, the method includes determining that the touchpad is being touched. At least on condition that the touchpad is being touched, the no-touch capacitance value and a touch-based capacitance value are used to estimate the force F exerted on the touchpad.

A digital assistance system, method and device for assisting users. The digital assistance system includes an assistance device having a finger touch pad and sensors operably coupled with the finger touch pad and configured to measure at least one of a heart rate, a blood-oxygen level and a temperature of the user. The digital assistance device is also able to include a communication application for providing non-character based format media data communication via a Message Queueing Telemetry Transport (MQTT) communication protocol.

The invention discloses a high-precision touch electrode applied to a touchpad, belongs to the technical field of capacitive touchpads, and provides an electrode pattern applied to the touchpad to improve the mutual capacitance change rate between TX and RX after finger touch so as to improve the accuracy of the touchpad. By optimizing the electrode pattern design, the mutual capacitance change rate between TX and RX after finger touch is remarkably improved, the accuracy of the touch panel is improved, and many benefits are brought to a user. The higher mutual capacitance change rate means that the control IC can more accurately detect the position touched by the finger, so that more accurate touch positioning is realized. The higher mutual capacitance change rate enables the chip to detect the finger more easily, the detection time is shortened, and the finger touch coordinate detection speed is improved. A user can experience a more accurate and smooth operation feeling, a higher SNR is provided by a higher mutual capacitance change rate, and it is guaranteed that the touch panel can keep reliable performance in various environments.

The invention relates to the technical field of vehicle detection, in particular to a steering wheel hand-leaving false triggering detection method and system, a storage medium and an intelligent automobile, and the method comprises the steps: collecting multiple groups of capacitance change data generated in the process from the beginning of approaching a steering wheel to the touch of the steering wheel by a capacitance sensor; cleaning and marking the acquired capacitance change data; training the labeled capacitance change data by using a neural network to obtain a classification model, and deploying the classification model to a single-chip microcomputer; acquiring current capacitance change data, and inputting the current capacitance change data into the classification model to identify whether the current behavior is false triggering; according to the scheme, the capacitance change data generated in the process from approaching the steering wheel to touching the steering wheel by a large number of different people in different angles and different touch modes are used as the model training data to carry out model training and realize automatic detection, a capacitance threshold value does not need to be manually set, errors caused by manual operation are reduced, and the detection efficiency is improved. And the misjudgment risk is reduced, so that the safety of vehicle driving is improved.

Described techniques enable a virtual touchpad for a wearable device by receiving, in response to a touch event, a sensor signal from a motion sensor coupled to the wearable device, the wearable device providing a user interface with a rendering space that is defined relative to the wearable device. The touch event may be associated with a contact space of a contact map defined with respect to the wearable device, based on the sensor signal, and a user interface event of the user interface that corresponds to the contact space may be rendered within the rendering space.

The invention relates to a vibratable touchpad which comprises a support, a touch module and a vibration unit which are integrally formed, the support comprises an outer support, an inner support and an elastic connecting assembly, and the elastic connecting assembly is arranged between the outer support and the inner support and used for providing the freedom degree of movement of the inner support relative to the outer support in the first direction. When the vibration unit is triggered to vibrate, the inner support moves in the first direction, so that the vibration sense of the whole support is homogenized.

The invention relates to the technical field of touch pad handwriting positioning, and discloses a method for positioning a handwriting position based on a computer touch pad, and the method comprises the steps: S1, collecting related contact parameters of the touch pad in real time through a first pressure sensor, and dynamically switching a cursor control mode and a handwriting positioning mode; parameters such as contact duration, pressure values and click times are collected in real time through a pressure sensor matrix, cursor control and handwriting positioning modes are dynamically switched, a coordinate mapping model of the touchpad and a screen is established by adopting the least square dynamic calibration parameters, a handwriting starting point is accurately positioned in combination with a mean filtering algorithm, and in the handwriting fitting stage, the handwriting matching precision is improved. The number of Bezier curve control points is determined through curvature and speed calculation, track point coordinates are collected through a pressure sensor matrix, smooth handwriting is constructed, full-process control over handwriting input of the touch pad is achieved, and the method has the advantages of being intelligent in mode switching, high in positioning precision, natural and smooth in handwriting and the like.

The present application relates to the technical field of information, and provides a lid open / close detection method. The method comprises: in each detection cycle, sending a driving signal to a first touch electrode of a touchpad or a second touch electrode of a touch screen, and detecting a mutual capacitance generated between the first touch electrode and the second touch electrode; on the basis of the mutual capacitance and a first mapping relationship, determining a folding angle range of an electronic device, the first mapping relationship representing correspondences between capacitances and folding angle ranges; and on the basis of the folding angle range of the electronic device, determining a lid open / close state of the electronic device. By using the method to detect the mutual capacitance between the touchpad and the touch screen of the electronic device, lid open / close detection for the electronic device can be implemented, effectively improving the efficiency of lid open / close detection while reducing costs.

A touchpad module includes an elastic bracket, a touch member, a plurality of connecting elements and a pressure sensing unit. The elastic bracket includes a plurality of cantilevers. The plurality of cantilevers have respective free ends and respective fixed ends. The plurality of connecting elements are connected with the respective free ends and the touch member. When the touch member is pressed in response to an external force, the external force is transmitted to at least one free end through at least one connecting element, the at least one free end is rotated relative to the at least one fixed end in a direction away from the touch member, and the pressure sensing unit is subjected to deformation. According to the deformation, the pressure sensing unit senses a magnitude of a pressing force exerted on the touch member and generates a corresponding pressure sensing signal.