10 results about "Pointing stick" patented technology

The invention discloses a pointing stick analog signal sampling circuit and method, and the method comprises the steps: connecting a strain gauge signal resistor bridge to one end of a sampling capacitor, connecting a variable voltage unit to the other end of the capacitor, transmitting a signal to the capacitor in a charging manner after a preset time, disconnecting the strain gauge signal resistor bridge, and carrying out the sampling of a pointing stick analog signal. And then analog-to-digital conversion is further carried out on the signal on the sampling capacitor. In the most critical analog-to-digital conversion step of analog signal processing, the sensor is completely disconnected with the circuit, so that the interference of external interference sources such as a mobile phone and the like on the circuit through the sensor during analog-to-digital conversion is reduced. Besides, when the signal is transmitted to the sampling capacitor for conversion, the voltage of the specified variable voltage source can correct the resistance matching problem of the sensor in the strain gauge resistance bridge in a large range, so that the strain sensor can still work when the resistance value of the strain sensor exceeds 20% of the preset value.

To provide a mahjong tool that prevents players from making mistakes and creates an environment where players can concentrate on the game by collecting information scattered across the table when playing hand-stacking mahjong in a central location and displaying it as letters and numbers. [Solution] The mahjong tool moves the starting player's mark, which is placed on the edge of the table, to the center, and rotates a disk that displays the wind as the game progresses, displaying each player's wind in letters for each game. The number of games is displayed in combination with the starting player's mark. The system that counts consecutive games using 100-point sticks is abolished, and a counter is installed to display the numbers. The location of the deposit reach stick is also moved to the center. The dice are replaced with roulette, and the display is changed to include the pick-up position.

The application relates to a pointing stick and an electronic device, wherein the pointing stick comprises a circuit board, a processor and a force receiving stick, the force receiving stick is connected with a detection chip which is arranged at intervals on the circuit board, the detection chip is used for detecting information of an acting force between the force receiving stick and the detection chip, and the processor is used for receiving and arranging a detection result of the detection chip to obtain a movement direction of the force receiving stick. Through the design, the structure of the pointing stick can be simplified, the sensitivity of the pointing stick can be improved, and the actual use demand can be met.

1. Name of this design product: Keyboard pointing stick cap. 2. Purpose of this design: As a pointing device for laptops, specifically as a rubber cap on the pointing stick. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a keyboard pointing stick assisted control method and system based on multi-source sensor data, belonging to the field of computer input device technology. The method includes real-time acquisition of multi-source sensor data, real-time environmental compensation of the sensor data, data fusion to identify user operation intentions, and generation of cursor control commands based on a user adaptive control model. The system includes a pointing stick module, a sensing unit, a signal processing unit, and a microcontroller unit, and can also be equipped with a host computer driver program. This invention effectively counteracts multi-source environmental interference, improves the control accuracy and stability of the pointing stick, accurately identifies user operation intentions, achieves adaptive matching to user operating habits, and completes the modular integration of related functional units of the pointing stick. It is suitable for cursor control of integrated keyboard pointing sticks in laptops, can replace traditional mice to achieve efficient cursor operation control, and significantly improves the user experience and adaptability of the pointing stick.

The utility model discloses a notebook pointing stick testing device, which comprises a workbench, a Y-direction linear module, a bottom plate, a product opening and closing carrier and a testing device, the Y-direction linear module is mounted on the workbench and drives the bottom plate to move, the product opening and closing carrier used for positioning and loading products is mounted on the bottom plate, and the testing device is mounted on the product opening and closing carrier and drives the Y-direction linear module to move. A testing device is arranged above the workbench in a butt joint mode, the product opening and closing carrier comprises a base, a cover plate, a buckle assembly, a probe assembly, a pressing block assembly, a positioning rod, a cover cap and a pressing block, and the base is provided with a groove used for containing a product. The grooves comprise a first groove used for a circuit board, a second groove used for placing an iron piece and a third groove used for placing a connecting piece, a cover plate is rotatably installed on the base, and the base and the cover plate are locked through a buckle assembly. By means of the mode, the notebook computer pointing rod detection device is ingenious in design and capable of positioning and clamping products, automatically detecting the stress condition of a notebook computer pointing rod and detecting the performance of the notebook computer pointing rod.

The present invention discloses a pointing stick and a method for identifying the movement of the pointing stick. The pointing stick includes a substrate, a PCB board, and an operating stick assembly. The PCB board is provided with an MCU processor. The MCU processor has two reference resistors R connected in series. After the two reference resistors R are connected in series, one end is grounded and the other end is connected to a sensor power supply terminal VS. Eight sensor resistors are printed on the back of the PCB board. The eight sensor resistors are all printed with conductive ink. The eight sensor resistors form four groups of Wheatstone bridge circuits. The present invention is provided with eight sensors printed with conductive ink on the PCB board, and the motion detection of the pointing stick can be realized without the need for peripheral resistors. The four groups of Wheatstone bridge circuits composed of eight sensor resistors are simpler and more practical than traditional pointing stick sensor circuits, and are easy to produce, easy to maintain, and more reliable. The pointing stick of the present invention can reduce production costs, increase product qualification rate, and reduce power consumption.

The utility model discloses a universal adaptive pointing stick module. The universal adaptive pointing stick module comprises a bottom plate, a sensor module arranged on the bottom plate, a conduction base arranged on the sensor module and a conduction piece in threaded connection with the conduction base. The center of the sensor substrate is provided with a mounting hole. The bottom of the conduction pedestal is provided with a projection which is matched with the mounting hole and is in insertion connection with the mounting hole. When the conduction piece is stressed, the connection stability between the conduction base and the sensor substrate is achieved through the combined action of the bonding force of the bonding agent and the supporting force of the clamping structure, and the overall structure is more stable and firmer. A threaded hole is coaxially formed in the top of the conduction base, and a threaded column matched with the threaded hole and in threaded connection with the threaded hole is arranged at the lower end of the conduction piece. By means of the threaded connection structure, a user can select the conduction piece matched with the application height of the user according to requirements and screw the conduction piece on the conduction base, so that the adaptability of the pointing stick module is high, the structure is stable and reliable, and the application effect is good.