# US 10,483,646 B2 · Antenna device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,646 B2 - Document ID: US10483646B2 - Status: Granted - Kind: B2 - Application number: 15/661,471 - Filed: 2017-07-27 - Published: 2017-11-09 - Granted: 2019-11-19 - Earliest claimed: 2014-04-15 - Assignees: Sumida Corporation - Applicants: Sumida Corporation - Inventors: Kei Tanaka; Takanobu Rokuka; Hitoshi Moriya; Shigeru Mahara; Noriaki Iwasaki; Masakazu Fukuoka; Yoshinori Miura - Web page: https://patentgrep.com/patent/US10483646B2 ## CPC - H01Q 7/08: Ferrite rod or like elongated core - H01Q 1/32: Adaptation for use in or on road or rail vehicles - H01Q 1/3241: {particular used in keyless entry systems} - H01F 17/04: with magnetic core - H01Q 1/22: by structural association with other equipment or articles - H01Q 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ## Abstract An antenna device includes a core, a terminal mounting unit, a coil, a plurality of elongated terminals, and an electronic component provided on the terminal mounting unit. The core is formed from a magnetic material. The terminal mounting unit is arranged adjacent to one side of the core. The coil, which is a wound conductive wire, is arranged on an outer circumference of the core. A sidewall of the terminal mounting unit includes a plurality of through holes into which the elongated terminals are inserted. ## Claims ### Claim 1 An antenna device comprising: a core formed from a magnetic material; a terminal mounting unit arranged adjacent to one side of the core, the terminal mounting unit having a sidewall member, the sidewall member including opposite sides and a plurality of through holes, each of the plurality of through holes extending from one of the opposite sides to the other of the opposite sides; a coil which is arranged on an outer circumference of the core, the coil being a wound conductive wire; a coil which is arranged on an outer circumference of the core, the coil being a wound conductive wire; a plurality of elongated terminals which are inserted into the plurality of through holes; and an electronic component provided on the terminal mounting unit, wherein the plurality of elongated terminals included a first terminal, and the first terminal is configured with a pin-shaped portion at one end and an outward portion at the other end, and when the first terminal is inserted into one of the plurality of through holes, the pin-shaped portion and the outward portion of the first terminal are partially exposed outside of the sidewall member. ### Claim 2 (depends on 1) The antenna device according to claim 1, further comprising: a winding-frame which is integrally molded with the terminal mounting unit; wherein the core is inserted into an internal insertion-hole of the winding-frame, and the coil is arranged on an outer circumferential side of the winding-frame. ### Claim 3 (depends on 1) The antenna device according to claim 1, wherein the terminal mounting unit includes: a first surface extending substantially perpendicular to the opposite sides of the sidewall member, a second surface extending substantially perpendicular to the opposite sides of the of sidewall member, and an opening that penetrates the terminal mounting unit from the first surface to the second surface. ### Claim 4 (depends on 3) The antenna device according to claim 3, wherein the plurality of through holes includes a first through hole, the opening extends in a first direction, the first through hole extends in a second direction perpendicular to the first direction, and the first through hole is laterally offset from the opening in a plan view. ### Claim 5 (depends on 3) The antenna device according to claim 3, wherein the plurality of through holes includes a second through hole and a third through hole, the opening extends in a first direction, the second and third through holes extend in a second direction perpendicular to the first direction, and the second and third through holes reach the opening so that the second and third through holes are communicably connected to the opening. ### Claim 6 (depends on 3) The antenna device according to claim 3, wherein the plurality of through holes include a first through hole, the opening extends in a first direction, the first through hole extends in a second direction perpendicular to the first direction, the first through hole is laterally offset from the opening in a plan view, the pin-shaped portion of the first terminal is a user terminal connected to another device, the outward portion of the first terminal is a binding terminal portion around which a first terminal end of the conductive wire is bound, and the first terminal is inserted into the first through hole. ### Claim 7 (depends on 6) The antenna device according to claim 6, wherein the plurality of through holes include a second through hole and a third through hole, the opening extends in the first direction, the second and third through holes extend in the second direction perpendicular to the first direction, the second and third through holes reach the opening so that the second and third through holes are communicably connected to the opening, the plurality of terminals include second and third terminals, the second terminal is configured with a pin-shaped portion and a support portion but is free of an outward portion, and the third terminal is configured with a support portion and an outward portion but is free of a pin-shaped portion. ### Claim 8 (depends on 1) The antenna device according to claim 1, wherein the first terminal is configured with the pin-shaped portion, a support portion, and the outward portion, and the support portion is buried in the sidewall member. ### Claim 9 (depends on 8) The antenna device according to claim 8, wherein the pin-shaped portion of the first terminal is a user terminal connected to another device, and the outward portion of the first terminal is a binding terminal portion around which a first terminal end of the conductive wire is bound. ### Claim 10 (depends on 8) The antenna device according to claim 8, wherein a width of the outward portion in a plan view is wider than a width of the pin-shaped portion in the plan view. ### Claim 11 (depends on 8) The antenna device according to claim 8, wherein the plurality of terminals include a second terminal, the second terminal is configured with a pin-shaped portion and a support portion, and the second terminal is free of an outward portion. ### Claim 12 (depends on 11) The antenna device according to claim 11, wherein the pin-shaped portion of the second terminal is a user terminal connected to another device, the support portion of the second terminal is buried in the terminal mounting unit, and one end of the electric component is mounted on the support portion of the second terminal. ### Claim 13 (depends on 11) The antenna device according to claim 11, wherein the pin-shaped portion of the second terminal is partially exposed outside of the terminal mounting unit. ### Claim 14 (depends on 11) The antenna device according to claim 11, wherein a width of the support portion of the second terminal in a plan view is wider than a width of the pin-shaped portion of the second terminal in the plan view. ### Claim 15 (depends on 11) The antenna device according to claim 11, wherein the plurality of terminals include a third terminal, the third terminal is configured with a support portion and an outward portion, and the third terminal is free of a pin-shaped portion. ### Claim 16 (depends on 15) The antenna device according to claim 15, wherein the support portion of the third terminal is buried in the terminal mounting unit, the outward portion of the third terminal is a binding terminal portion around which a second terminal end of the conductive wire is bound, and another end of the electric component is mounted on the support portion of the third terminal. ### Claim 17 (depends on 15) The antenna device according to claim 15, wherein the outward portion of the third terminal is partially exposed outside of the terminal mounting unit. ### Claim 18 (depends on 15) The antenna device according to claim 15, wherein a width of the outward portion of the third terminal in a plan view is wider than a width of the support portion of the third terminal in the plan view. ### Claim 19 (depends on 1) The antenna device according to claim 1, wherein the electronic component is a capacitor.