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US 2017/0317403 A1Published application
Antenna unit, communications system with antenna unit, and method of producing antenna unit
AssigneeRicoh Company, Ltd.
InventorNaohiro ITOH
Life of this patent
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Abstract
An antenna unit includes an antenna prepared by winding conducting wire around a magnetic body. The antenna unit also includes a metal housing to accommodate the antenna. The metal housing includes a first cut-out to allow a magnetic field generated by the antenna to pass through the metal housing.
Claims16
An antenna unit comprising:
- an antenna including a magnetic body and a conducting wire wound around the magnetic body;
- a metal housing to accommodate the antenna,
- wherein the metal housing includes a first cut-out to allow a magnetic field generated by the antenna to pass through the metal housing.
A method of producing an antenna unit comprising:
- winding conducting wire around a magnetic body multiple times at a prescribed pitch to prepare an antenna;
- installing the antenna in a metal housing at a prescribed position;
- and
- forming a first cut-out in the metal housing by cutting off a prescribed top face portion of the metal housing along the magnetic body in a first direction to allow a magnetic field generated by the antenna to pass through the metal housing.
1 more element
Dependencies are inferred from the claim text.