# US 2025/0144513 A1 · Capacitive joystick, game controller and game control method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0144513 A1 - Document ID: US20250144513A1 - Status: Published application - Kind: A1 - Application number: 19/015,933 - Filed: 2025-01-10 - Published: 2025-05-08 - Earliest claimed: 2023-09-28 - Assignees: Dashine Electronics Co., Ltd - Applicants: Dashine Electronics Co., Ltd - Inventors: Bintao GUO - Web page: https://patentgrep.com/patent/US20250144513A1 ## CPC - A63F 13/24: Constructional details thereof, e.g. game controllers with detachable joystick handles - A63F 13/214: for locating contacts on a surface, e.g. floor mats or touch pads - G06F 3/044: by capacitive means - A63F: CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract The present application discloses a capacitive joystick, a game controller with the capacitive joystick, and a game control method. In the capacitive joystick, the joystick assembly has a control end and at least one output end, and the output end is connected to a rotating shaft. The capacitive sensing assembly includes a rotating plate, a metal sheet and a PCB board that are spaced apart from each other and form a capacitive field. The rotating plate rotates with the rotating shaft and changes the capacitance value between the metal sheet and the PCB board. The PCB board sends the capacitance data including the capacitance value to the main circuit board. ## Claims ### Claim 1 A capacitive joystick, comprising a joystick assembly, wherein the joystick assembly has a control end and at least one output end, and the at least one output end is connected to a rotating shaft; and a capacitive sensing assembly, comprising a rotating plate and a metal sheet and a printed circuit board (PCB) arranged at intervals to form a capacitive field, wherein the rotating plate is used to rotate with the rotating shaft and change a capacitance value between the metal sheet and the PCB, the PCB is connected to a main circuit board and sends capacitance data comprising the capacitance value to the main circuit board, and the main circuit board calculates and outputs data changes based on the change in the capacitance value. ### Claim 2 (depends on 1) The capacitive joystick according to claim 1, wherein a conductive sheet is provided on the PCB, and a position of the conductive sheet corresponds to that of the metal sheet. ### Claim 3 (depends on 1) The capacitive joystick according to claim 1, wherein the capacitive sensing assembly comprises a housing, and the metal sheet, the PCB, and the rotating plate are all located in a cavity inside the housing. ### Claim 4 (depends on 3) The capacitive joystick according to claim 3, wherein the housing comprises a base and a side cover detachably connected to the base, and the metal sheet, the PCB, and the rotating plate are all arranged in the cavity surrounded by the base and the side cover. ### Claim 5 (depends on 4) The capacitive joystick according to claim 4, wherein one of the base or the side cover is provided with a buckle, and the other of the base or the side cover is provided with a groove, and the buckle is connected to the groove, so that the base and the side cover are detachably connected with each other. ### Claim 6 (depends on 1) The capacitive joystick according to claim 1, wherein the joystick assembly comprises a joystick body and a rotating portion, a first end of the joystick body is the control end, a second end of the joystick body extends into the rotating portion, and the rotating portion has the at least one output end. ### Claim 7 (depends on 6) The capacitive joystick according to claim 6, wherein a capacitive chip is provided on the main circuit board, the capacitive chip is electrically connected to the PCB, and the capacitive chip is used to receive the capacitance data of the PCB and convert the capacitance data to obtain a position information of the joystick body. ### Claim 8 (depends on 1) A game controller, comprising a controller body, wherein the controller body is provided with the capacitive joystick according to claim 1. ### Claim 9 (depends on 1) A game control method based on the capacitive joystick according to claim 1, comprising the following steps: when a rod body of the joystick assembly moves, the rotating plate in the capacitive sensing assembly is controlled to rotate by the at least one output end of the joystick assembly, causing the change in the capacitance value between the metal sheet and the PCB; and the main circuit board obtains the capacitance data output by the PCB and obtains position information of the rod body in the joystick assembly. ### Claim 10 (depends on 9) The game control method according to claim 9, wherein two non-coaxial output ends of the joystick assembly are respectively connected to corresponding capacitive sensing assemblies, the two capacitive sensing assemblies respectively obtain input signals of the two non-coaxial output ends in the joystick assembly, the main circuit board receives the capacitance data of the two capacitive sensing assemblies and obtains position information of the control end in the joystick assembly.