# US 12,007,258 B2 · Flexible capacitive touch sensing device and HOD device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,007,258 B2 - Document ID: US12007258B2 - Status: Granted - Kind: B2 - Application number: 17/845,995 - Filed: 2022-06-21 - Published: 2023-12-21 - Granted: 2024-06-11 - Earliest claimed: 2022-06-21 - Assignees: Pixart Imaging Inc. - Applicants: PixArt Imaging Inc. - Inventors: Ching-Shun Chen - Web page: https://patentgrep.com/patent/US12007258B2 ## CPC - G01D 5/24: by varying capacitance - B32B 5/02: characterised by structural features of a {fibrous or filamentary} layer {(layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02)} - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B62D 1/046: {Adaptations on rotatable parts of the steering wheel for accommodation of switches} - B62D 1/065: {Steering wheels with heating and ventilating means (heating and ventilation of steering wheel when connected to vehicle HVAC B60H1/00292)} - H05B 3/34: flexible, e.g. heating nets or webs - B32B 2457/00: Electrical equipment - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract A flexible capacitive touch sensing device comprising a first, a second sensing region and a capacitance detection circuit. Each of the first, second sensing region comprises: flexible material; and electrodes, in or on the flexible material. Capacitance sensed by the capacitance detection circuit is used for detecting if an object causes capacitance variation to the first sensing region and the second sensing region. The first sensing region comprises a first side region with a first side which is adjacent to a second side of the second sensing region Shapes of the electrodes are changeable after provided on the flexible material. The electrodes are overlapped in normal directions of the first side region and the second side region. An angle which is not 0 degree exists between the electrodes which are overlapped. Such flexible capacitive touch sensing device can be applied to generate a HOD device with different sizes. ## Claims ### Claim 1 A flexible capacitive touch sensing device, comprising: a first sensing region and a second sensing region, each of the first sensing region and the second sensing region comprising: flexible material; and a plurality of electrodes, disposed in or on the flexible material, wherein the electrodes of the first sensing region and the second sensing region are electrically connected via conductive material or conductive components; and a capacitance detection circuit, configured to sense capacitance caused by the electrodes, wherein the capacitance is used for detecting if an object causes capacitance variation to at least one of the first sensing region and the second sensing region; wherein the first sensing region comprises a first side region with a first side, and the second sensing region comprises a second side region, wherein the first side is adjacent to the second side; wherein shapes of the electrodes of the first sensing region and the second sensing region are changeable after provided on the flexible material; wherein the electrodes of the first side region and the second side region are overlapped in normal directions of the first side region and the second side region; wherein an angle which is not 0° exists between the electrodes which are overlapped. ### Claim 2 (depends on 1) The flexible capacitive touch control device of claim 1, wherein each one of the first sensing region and the second sensing region comprises a buffering region, wherein at least one of the electrodes in the buffering region has a bended portion; wherein the electrodes of the first sensing region and the second sensing region can still be electrically connected via the bended portion when the first sensing region and the second sensing region are bent. ### Claim 3 (depends on 2) The flexible capacitive touch control device of claim 2, wherein a bended angle of the electrode with the bended portion is from 0°-45°. ### Claim 4 (depends on 1) The flexible capacitive touch sensing device of claim 1, further comprising: a reference layer, below the first sensing region and the second sensing region, configured to provide a reference voltage level to the electrodes. ### Claim 5 (depends on 4) The flexible capacitive touch sensing device of claim 4, further comprising: a heating circuit, provided in the reference layer. ### Claim 6 (depends on 1) The flexible capacitive touch sensing device of claim 1, wherein the flexible material is conductive fabric or soft glue. ### Claim 7 A Hand Off Detection (HOD) device comprising: covering material; a framework; a flexible capacitive touch sensing device, provided between the covering material and the frame work, comprising: a first sensing region and a second sensing region, each of the first sensing region and the second sensing region comprising: flexible material; and a plurality of electrodes, disposed in or on the flexible material, wherein the electrodes of the first sensing region and the second sensing region are electrically connected via conductive material or conductive components; and a capacitance detection circuit, configured to sense capacitance caused by the electrodes, wherein the capacitance is used for detecting if a hand is away from the HOD device for a predetermined distance; wherein the first sensing region comprises a first side region with a first side, and the second sensing region comprises a second side region with a second side, wherein the firs side is adjacent to the second side; wherein shapes of the electrodes of the first sensing region and the second sensing region are changeable after provided on the flexible material; wherein the electrodes of the first side region and the second side region are overlapped in normal directions of the first side region and the second side region; wherein an angle which is not 0° exists between the electrodes which are overlapped. ### Claim 8 (depends on 7) The HOD detection device of claim 7, wherein each one of the first sensing region and the second sensing region comprisesa buffering region, wherein at least one of the electrodes in the buffering region has a bended portion; wherein the electrodes of the first sensing region and the second sensing region can still keep electrically connected to each other via the bended portion when the first sensing region and the second sensing region are bent. ### Claim 9 (depends on 8) The HOD detection device of claim 8, wherein a bended angle of the electrode with the bended portion is from 0°-45°. ### Claim 10 (depends on 7) The HOD device of claim 7, further comprising: a reference layer, located below the first sensing region and the second sensing region, and above the framework, configured to provide a reference voltage level to the electrodes. ### Claim 11 (depends on 7) The HOD device of claim 7, further comprising: a heating circuit, provided in the reference layer. ### Claim 12 (depends on 7) The HOD device of claim 7, wherein the HOD device is a vehicle control device. ### Claim 13 (depends on 12) The HOD device of claim 12, wherein the HOD device is a steering wheel. ### Claim 14 A Hand Off Detection (HOD) device, comprising: covering material; a framework; a flexible capacitive touch sensing device, provided between the covering material and the frame work, comprising: a first sensing region and a second sensing region, each of the first sensing region and the second sensing region comprising: a plurality of electrodes, printed on or in the covering material, wherein the electrodes of the first sensing region and the second sensing region are electrically connected via conductive material or conductive components; and a capacitance detection circuit, configured to sense capacitance caused by the electrodes, wherein the capacitance is used for detecting if a hand is away from the HOD device for a predetermined distance; wherein the first sensing region comprises a first side region with a first side, and the second sensing region comprises a second side region with a second side, wherein the firs side is adjacent to the second side; wherein shapes of the electrodes of the first sensing region and the second sensing region are changeable after provided on the covering material; wherein the electrodes of the first side region and the second side region are overlapped in normal directions of the first side region and the second side region; wherein an angle which is not 0° exists between the electrodes which are overlapped. ### Claim 15 (depends on 14) The HOD device of claim 14, further comprising: a reference layer, located below the first sensing region and the second sensing region, and above the framework, configured to provide a reference voltage level to the electrodes. ### Claim 16 (depends on 14) The HOD device of claim 14, further comprising: a heating circuit, provided in the reference layer. ### Claim 17 (depends on 14) The HOD device of claim 14, wherein the HOD device is a vehicle control device. ### Claim 18 (depends on 17) The HOD device of claim 17, wherein the HOD device is a steering wheel.