# US 2023/0053520 A1 · Connection unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0053520 A1 - Document ID: US20230053520A1 - Status: Published application - Kind: A1 - Application number: 18/046,217 - Filed: 2022-10-13 - Published: 2023-02-23 - Earliest claimed: 2018-05-31 - Assignees: Zeon Corporation - Applicants: Zeon Corporation - Inventors: Midori YAMAAI; Naomi SHIGA; Masayoshi YOSHIDA - Web page: https://patentgrep.com/patent/US20230053520A1 ## CPC - A63H 33/042: {Mechanical, electrical, optical, pneumatic or hydraulic arrangements; Motors} - A63H 29/22: Electric drives (power supply through track A63H18/12) - A63H 33/046: {comprising magnetic interaction means, e.g. holding together by magnetic attraction} - H01R 13/22: Contacts for co-operating by abutting - H01R 13/6205: {Two-part coupling devices held in engagement by a magnet} - H01R 31/065: {with built-in electric apparatus} - H01R 35/04: Turnable line connectors with limited rotation angle {with frictional contact members} - A63H: TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A connection unit includes: a body having peripheral edges; magnets, at least one of which being disposed on each side of the peripheral edges of the body; and electrode terminals, at least three of which being disposed on the each side of the peripheral edges of the body. An outer surface of the body has a curved surface. The electrode terminals are disposed along the curved surface or the surface having the polygonal cross section of the outer surface. The electrode terminals disposed on the peripheral edges of the body have either: one positive electrode terminal and two negative electrode terminals, or one negative electrode terminal and two positive electrode terminals. ## Claims ### Claim 1 A connection unit comprising: a body having a substantially flat plate shape and peripheral edges; a plurality of magnets, at least one of which being disposed on each side of the peripheral edges of the body; and a plurality of electrode terminals, at least three of which being disposed on the each side of the peripheral edges of the body, wherein an outer surface of the each side of the body has a curved surface which curves in a thickness direction or a surface having a polygonal cross section, the electrode terminals are disposed along the curved surface or the surface having the polygonal cross section of the outer surface, and the at least three electrode terminals disposed on the each side of the peripheral edges of the body comprise either: one positive electrode terminal and two negative electrode terminals, the positive electrode terminal being disposed at a center of the respective side of the peripheral edges of the body and the negative electrode terminals being disposed line-symmetrical about a perpendicular line perpendicular to and crossing the center of the respective side of the body, or one negative electrode terminal and two positive electrode terminals, the negative electrode terminal being disposed at the center of the respective side of the peripheral edges of the body and the positive electrode terminals being disposed line-symmetrical about the perpendicular line perpendicular to and crossing the center of the respective side of the body. ### Claim 2 (depends on 1) The connection unit according to claim 1, further comprising a circuit element disposed inside the body, wherein the circuit element is electrically connected to the electrode terminals. ### Claim 3 (depends on 2) The connection unit according to claim 2, further comprising a wiring board disposed in the inside of the body, wherein the circuit element is electrically connected to the electrode terminals via a wiring of the wiring board. ### Claim 4 (depends on 2) The connection unit according to claim 2, wherein the circuit element comprises an energy harvesting element capable of outputting power, generated by energy harvesting, to the electrode terminals. ### Claim 5 (depends on 2) The connection unit according to claim 2, wherein the circuit element comprises a load element capable of consuming power that is input from the electrode terminals. ### Claim 6 (depends on 5) The connection unit according to claim 5, wherein the load element is a light-emitting element. ### Claim 7 (depends on 1) The connection unit according to claim 1, further comprising at one of the peripheral edges of the body, a load element that is electrically connected to one of the one or more positive electrode terminals and one of the one or more negative electrode terminals. ### Claim 8 (depends on 1) The connection unit according to claim 1, wherein the body has a substantially polygonal shape in plan view. ### Claim 9 (depends on 1) The connection unit according to claim 1, wherein the body has a frame shape having an opening. ### Claim 10 A connection unit comprising: a body having a substantially flat plate shape and peripheral edges; a plurality of magnets, at least one of which being disposed on each side of the peripheral edges of the body; and a plurality of electrode terminals, at least four of which being disposed on the each side of the peripheral edges of the body, wherein an outer surface of the each side of the body has a curved surface which curves in a thickness direction or a surface having a polygonal cross section, the electrode terminals are disposed along the curved surface or the surface having the polygonal cross section of the outer surface, the at least four electrode terminals disposed on the each side of the peripheral edges of the body comprise even number of positive electrode terminals which include same signal and even number of negative electrode terminals which include same signal, the positive electrode terminals are disposed line-symmetrical about a perpendicular line perpendicular to and crossing a center of the respective side of the peripheral edges of the body, and the negative electrode terminals are disposed line-symmetrical about the perpendicular line. ### Claim 11 A connection unit comprising: a body having a substantially flat plate shape and peripheral edges; a plurality of magnets, at least one of which being disposed on each side of the peripheral edges of the body; and a plurality of electrode terminals, at least five of which being disposed on the each side of the peripheral edges of the body, wherein an outer surface of the each side of the body has a curved surface which curves in a thickness direction or a surface having a polygonal cross section, the electrode terminals are disposed along the curved surface or the surface having the polygonal cross section of the outer surface, the at least five electrode terminals disposed on the each side of the peripheral edges of the body comprise either: odd number of positive electrode terminals which include same signal and even number of negative electrode terminals which include same signal, one of the positive electrode terminals being disposed at a center of the respective side of the peripheral edges of the body, the rest of the positive electrode terminals being disposed line-symmetrical about a perpendicular line perpendicular to and crossing the center of the respective side of the body, and the negative electrode terminals being disposed line-symmetrical about the perpendicular line perpendicular to and crossing the center of the respective side of the body, or odd number of negative electrode terminals which include same signal and even number of positive electrode terminals which include same signal, one of the negative electrode terminals being disposed at a center of the respective side of the peripheral edges of the body, the rest of the negative electrode terminals being disposed line-symmetrical about the perpendicular line perpendicular to and crossing the center of the respective side of the body, and the positive electrode terminals being disposed line-symmetrical about the perpendicular line perpendicular to and crossing the center of the respective side of the body.