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US 8,655,290 B2Granted
Antenna with built-in filter and electronic device
AssigneeCasio Computer Co., Ltd.
InventorsShigeru Yagi, Youichi Ushigome
Life of this patent
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Abstract
An antenna with a built-in filter for use in an electronic device includes: an antenna element; and a circuit board unit connected to the antenna element, wherein the circuit board unit includes: a filter circuit that filters input and output signals of the antenna element; and a matching circuit that performs impedance matching of the antenna element.
Claims9
An antenna with a built-in filter for use in an electronic device, the antenna comprising:
- an antenna element;
- an antenna element attachment base portion onto which the antenna element is attached;
- a circuit board unit connected to the antenna element;
- and
- a connector connected to the antenna element attachment base portion and the circuit board unit;
- wherein the circuit board unit includes:
- a filter circuit that filters input and output signals of the antenna element;
- and
- a matching circuit that performs impedance matching of the antenna element;
- and
- wherein the connector includes a pin contact which is pin-connected to a wiring portion of the antenna element attachment base portion.
8 more elements
An electronic device comprising:
- an antenna with a built-in filter, the antenna including an antenna element, an antenna element attachment base portion onto which the antenna element is attached, a circuit board unit connected to the antenna element, and a connector connected to the antenna element attachment base portion and the circuit board unit, wherein the circuit board unit includes a filter circuit that filters input and output signals of the antenna element, and a matching circuit that performs impedance matching of the antenna element, and wherein the connector includes a pin contact which is pin-connected to a wiring portion of the antenna element attachment base portion;
- a wireless communication unit that wirelessly communicates with an external instrument through the antenna with the built-in filter;
- and
- a control unit that controls the wireless communication unit.
1 more element
Dependencies are inferred from the claim text.