Memory card
AssigneeFujitsu Component Limited
InventorsMasahiro Yanagi, Shigemi Kurashima, Hideaki Yoda
Life of this patent
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Abstract
A disclosed memory card having a built-in antenna and being connected to an electronic apparatus includes a circuit board configured to be covered by a case, an antenna element formed on one surface of the circuit board or on one surface of a board mounted on the circuit board, and a ground element formed on another surface of the circuit board or on another surface of the board mounted on the circuit board, wherein a part or all of the antenna element and a part or all of the ground element are formed to protrude outside the electronic apparatus when the memory card is connected to the electronic apparatus.
Claims16
A memory card having a built-in antenna, the memory card connectable to an electronic apparatus, the memory card comprising:
- a circuit board configured to be covered by a case;
- an antenna element formed on one surface of the circuit board or on one surface of a board mounted on the circuit board;
- and
- a ground element formed on another surface of the circuit board or on another surface of the board mounted on the circuit board,
- wherein a part or all of the antenna element and a part or all of the ground element are formed to protrude outside the electronic apparatus when the memory card is connected to the electronic apparatus.
A memory card having a built-in antenna, the memory card connectable to an electronic apparatus, the memory card comprising:
- a circuit board configured to be covered by a case;
- an antenna element formed on one surface of the circuit board or on one surface of a board mounted on the circuit board;
- and
- a ground element formed on another surface of the circuit board or on another surface of the board mounted on the circuit board,
- wherein a width of the antenna element is smaller than 1 mm, and a width of the ground element is smaller than 1 mm.
A memory card having a built-in antenna, the memory card connectable to an electronic apparatus, the memory card comprising:
- a circuit board configured to be covered by a case;
- an antenna element formed to be in a L shape on one surface of the circuit board or on one surface of a board mounted on the circuit board;
- a ground element formed to be in a L shape on another surface of the circuit board or on another surface of the board mounted on the circuit board;
- and
- a ground area provided on the circuit board,
- wherein a gap between the antenna element and the ground area is smaller than or equal to 0.05λ where λ designates a wavelength used by the built-in antenna.
Dependencies are inferred from the claim text.