US 11,998,703 B2
Hot-cold tactile presentation device, wearable terminal, itch-suppressing device, icing device, massage device, oral retainer, and tableware
Kenzo Ibano, Osaka (JP); Tohru Sugahara, Osaka (JP); Yuichi Itoh, Kanagawa (JP); Katsunari Sato, Nara (JP); and Shintaro Izumi, Kobe (JP)
Assigned to OSAKA HEAT COOL INC., Osaka (JP)
Appl. No. 18/273,394
Filed by Osaka Heat Cool Inc., Osaka (JP)
PCT Filed Dec. 17, 2021, PCT No. PCT/JP2021/046685
§ 371(c)(1), (2) Date Jul. 20, 2023,
PCT Pub. No. WO2022/158196, PCT Pub. Date Jul. 28, 2022.
Claims priority of application No. 2021-009579 (JP), filed on Jan. 25, 2021.
Prior Publication US 2024/0042163 A1, Feb. 8, 2024
Int. Cl. A61M 21/00 (2006.01); G08B 6/00 (2006.01)
CPC A61M 21/00 (2013.01) [A61M 2021/0022 (2013.01); A61M 2021/0066 (2013.01); A61M 2205/3673 (2013.01); A61M 2209/088 (2013.01); A61M 2210/0625 (2013.01); G08B 6/00 (2013.01)] 14 Claims
OG exemplary drawing
 
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.