Radio-Frequency Device and Wireless Communication Device
First Claim
1. A radio-frequency (RF) device for a wireless communication device, comprising:
- a grounding element, for providing grounding;
an antenna, comprising;
a radiating element;
a feed-in element, coupled to the radiating element, for transmitting an RF signal through the radiating element;
a coupling element, for coupling the radiating element;
a switch, coupled between the coupling element and the grounding element, for connecting or disconnecting the grounding element to the coupling element, such that the antenna respectively operates in a first frequency band and a second frequency band; and
a grounding terminal, for coupling the grounding element;
a capacitive sensing element, electrically connected to the radiating element of the antenna, for sensing an environment capacitance within a specific range through the radiating element;
at least one capacitor, electrically connected between the grounding terminal and the grounding element, for blocking a direct-current (DC) route from the grounding terminal to the grounding element.
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Accused Products
Abstract
The present invention discloses an RF device for a wireless communication device, including a grounding element, an antenna, including a radiating element, a feed-in element, a coupling element, a switch, coupled between the coupling element and the grounding element, for connecting or disconnecting the grounding element to the coupling element, such that the antenna respectively operates in a first frequency band and a second frequency band, and a grounding terminal, for coupling the grounding element, a capacitive sensing element, for sensing an environment capacitance within a specific range through the radiating element, at least one capacitor, for blocking a DC route from the grounding terminal to the grounding element.
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Citations
16 Claims
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1. A radio-frequency (RF) device for a wireless communication device, comprising:
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a grounding element, for providing grounding; an antenna, comprising; a radiating element; a feed-in element, coupled to the radiating element, for transmitting an RF signal through the radiating element; a coupling element, for coupling the radiating element; a switch, coupled between the coupling element and the grounding element, for connecting or disconnecting the grounding element to the coupling element, such that the antenna respectively operates in a first frequency band and a second frequency band; and a grounding terminal, for coupling the grounding element; a capacitive sensing element, electrically connected to the radiating element of the antenna, for sensing an environment capacitance within a specific range through the radiating element; at least one capacitor, electrically connected between the grounding terminal and the grounding element, for blocking a direct-current (DC) route from the grounding terminal to the grounding element. - View Dependent Claims (2, 3, 4)
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5. A wireless communication device, comprising:
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a radio-frequency (RF) signal processing device, for generating an RF signal, adjusting a power of the RF signal according to a sensing result, and adjusting an operating frequency band according to the RF signal; and an RF device, comprising; a grounding element, for providing grounding; an antenna, comprising; a radiating element; a feed-in element, coupled to the radiating element, for transmitting an RF signal through the radiating element; a coupling element, for coupling the radiating element; a switch, coupled between the coupling element and the grounding element, for connecting or disconnecting the grounding element to the coupling element, such that the antenna respectively operates in a first frequency band and a second frequency band; and a grounding terminal, for coupling the grounding element; a capacitive sensing element, electrically connected to the radiating element of the antenna, for sensing an environment capacitance within a specific range through the radiating element; at least one capacitor, electrically connected between the grounding terminal and the grounding element, for blocking a direct-current (DC) route from the grounding terminal to the grounding element. - View Dependent Claims (6, 7, 8)
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9. A radio-frequency (RF) device for a wireless communication device, comprising:
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a grounding element, for providing grounding; an antenna, comprising; a radiating element, including a long side and a plurality of short sides, for transmitting an RF signal; a coupling element, for coupling an RF signal; a feed-in element, coupled to the coupling element, for transmitting the RF signal to the radiating element through the coupling element; and a switch, coupled between the plurality of short sides and the grounding element, for switching one of the plurality of short sides to connect with the grounding element, such that the antenna respectively operates in a first frequency band and a second frequency band; and a capacitive sensing element, electrically connected to the radiating element of the antenna, for sensing an environment capacitance within a specific range through the radiating element. - View Dependent Claims (10, 11, 12)
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13. A wireless communication device, comprising:
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a radio-frequency (RF) signal processing device, for generating an RF signal, adjusting a power of the RF signal according to a sensing result, and adjusting an operating frequency band according to the RF signal; and an RF device, comprising; a grounding element, for providing grounding; an antenna, comprising; a coupling element, for coupling an RF signal; a feed-in element, coupled to the coupling element, for transmitting the RF signal through the coupling element; a radiating element, including a long side and a plurality of short sides, for transmitting the RF signal from the coupling element; and a switch, coupled between the plurality of short sides and the grounding element, for switching one of the plurality of short sides to connect with the grounding element, such that the antenna respectively operates in a first frequency band and a second frequency band; a capacitive sensing element, electrically connected to the radiating element of the antenna, for sensing an environment capacitance within a specific range through the radiating element. - View Dependent Claims (14, 15, 16)
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Specification