# US 11,998,703 B2 · Hot-cold tactile presentation device, wearable terminal, itch-suppressing device, icing device, massage device, oral retainer, and tableware > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,703 B2 - Document ID: US11998703B2 - Status: Granted - Kind: B2 - Application number: 18/273,394 - Filed: 2021-12-17 - Published: 2024-02-08 - Granted: 2024-06-04 - Earliest claimed: 2021-01-25 - Assignees: Osaka Heat Cool Inc. - Applicants: Osaka Heat Cool Inc. - Inventors: Kenzo Ibano; Tohru Sugahara; Yuichi Itoh; Katsunari Sato; Shintaro Izumi - Web page: https://patentgrep.com/patent/US11998703B2 ## CPC - A61M 21/00: Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis - G06F 3/01: Input arrangements or combined input and output arrangements for interaction between user and computer (G06F3/16 takes precedence) - H10N 10/00: Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects (integrated devices or assemblies of multiple devices H10N19/00) - A61M 2021/0022: {by the tactile sense, e.g. vibrations} - A61M 2021/0066: {with heating or cooling} - A61M 2205/3673: thermo-electric, e.g. Peltier effect, thermocouples, semi-conductors - A61M 2209/088: on the body - A61M 2210/0625: Mouth - G08B 6/00: Tactile signalling systems, e.g. tactile personal calling systems - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract A hot-cold tactile presentation device includes a plurality of thermoelectric elements which are arranged in a matrix by placing the thermoelectric elements side by side along x and y directions respectively, a plurality of row_heat lines each extending in the x direction, and a plurality of column lines each extending in the y direction. The plurality of row_heat lines are each connected to one end of each of the plurality of thermoelectric elements that align in the x direction, and the plurality of column lines are each connected to the other end of each of the plurality of thermoelectric elements that align in the y direction. ## Claims ### Claim 1 A hot-cold tactile presentation device comprising: a plurality of thermoelectric elements arranged in a matrix by placing the thermoelectric elements side by side along a first and a second direction respectively; a plurality of first row lines each extending in only the first direction; a plurality of column lines each extending in only the second direction; and a plurality of second row lines each extending in only the first direction, wherein the plurality of first row lines are each connected to one end of each of the plurality of thermoelectric elements that align in the first direction, the plurality of second row lines are each connected to the one end of each of the plurality of thermoelectric elements that align in the first direction, and the plurality of column lines are each connected to an other end of each of the plurality of thermoelectric elements that align in the second direction. ### Claim 2 (depends on 1) The hot-cold tactile presentation device according to claim 1, wherein the plurality of thermoelectric elements are arranged at intervals on a flexible substrate. ### Claim 3 (depends on 1) A wearable terminal comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 4 (depends on 1) A wearable terminal comprising: the hot-cold tactile presentation device according to claim 1; a first driver circuit that applies one of a power supply potential and a ground potential to one of a first row line of the plurality of first row lines connected to one of the plurality of thermoelectric elements and a second row line of the plurality of second row lines connected to the one of the plurality of thermoelectric elements; and a second driver circuit that applies the other of the power supply potential and ground potential to a column line of the plurality of column lines connected to the one of the plurality of thermoelectric elements. ### Claim 5 (depends on 4) The wearable terminal according to claim 4, further comprising: a processor that determines a temperature pattern based on a state detected by a sensor or information received from a network service, and controls the first and second driver circuits according to the determined temperature pattern. ### Claim 6 (depends on 5) The wearable terminal according to claim 5, wherein the processor determines, in response to detecting a predefined scratch motion with the sensor, a pattern that can simultaneously give cold and hot stimuli to a user as the temperature pattern. ### Claim 7 (depends on 1) An itch-suppressing device comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 8 (depends on 1) An icing device comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 9 (depends on 1) A massage device comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 10 (depends on 1) An oral retainer comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 11 (depends on 1) A tableware comprising: the hot-cold tactile presentation device according to claim 1. ### Claim 12 A hot-cold tactile presentation device comprising: a plurality of thermoelectric elements arranged in a matrix by placing the thermoelectric elements side by side along a first and a second direction respectively; a plurality of first row lines each extending in the first direction; a plurality of column lines each extending in the second direction; and a plurality of first diodes that are provided corresponding to each of the plurality of thermoelectric elements, a cathode of each of the plurality of first diodes being connected to one end of a corresponding thermoelectric element of the plurality of thermoelectric elements, wherein the plurality of first row lines are each connected, via a corresponding first diode of the plurality of first diodes, to the one end of each of the plurality of thermoelectric elements that align in the first direction, and the plurality of column lines are each connected to an other end of each of the plurality of thermoelectric elements that align in the second direction. ### Claim 13 (depends on 12) The hot-cold tactile presentation device according to claim 12, further comprising: a plurality of second row lines each extending in the first direction, wherein the plurality of second row lines are each connected to one end of each of the plurality of thermoelectric elements that align in the first direction. ### Claim 14 (depends on 13) The hot-cold tactile presentation device according to claim 13, further comprising: a plurality of second diodes that are provided corresponding to each of the plurality of thermoelectric elements, an anode of each of the plurality of second diodes being connected to one end of a corresponding thermoelectric element of the plurality of thermoelectric elements, wherein the plurality of second row lines are each connected, via a corresponding second diode of the plurality of second diodes, to one end of each of the plurality of thermoelectric elements that align in the first direction.