Chiun Mai Communication Systems, Inc.

Chuin Mai Communication Systems, Inc.

Geng-Hong Liou

Yen-Hui Lin

Yun-Jian Chang

Yi-Chieh Lee

Jung-Chin Lin

Cho-Kang Hsu

Chien-Chang Liu

Chih-Hung Lai

An antenna structure applied in a wireless communication device including a hinge, the antenna structure includes a feed portion, a first radiation portion, and at least one ground portion; an end of the first radiation portion is electrically connected to the feed portion, another end of the first radiation portion is spaced from the hinge with a gap; the antenna structure generates a radiation signal in at least one radiation frequency band when the feed portion feeds electrical current to the first radiation portion and the hinge couples the electrical current from the first radiation portion. A wireless communication device having the antenna structure is also provided.

Antenna structure and wireless communication device using same

An antenna structure for an Access Point includes at least one connecting member and a plurality of radiating portions on a structural rear plate of the Access Point which from. The radiating portions form a plurality of resonance paths. The at least one connecting member feeds current into the plurality of radiating portions, each of the radiating portions generates radiation signals in a first frequency band. A wireless communication device using the antenna structure is also provided.

An antenna structure includes a border frame, a first feed portion, a second feed portion, and two ground portions. The border frame includes a first gap and a second gap passing through the border frame, thereby defining a first radiating portion and a second radiating portion. The first feed portion is electrically coupled to the first radiating portion to supply an electric current to the first radiating portion. The second feed portion is electrically coupled to the second radiating portion to supply an electric current to the second radiating portion. The two ground portions are disposed between the first feed portion and the second feed portion and separated from each other. The two ground portions are electrically coupled to the first radiating portion or the second radiating portion.

Antenna structure

An antenna assembly includes a side frame, a feed portion, a ground portion, a radiating portion, and a first matching circuit. The side frame defines a first gap to form a first radiating section from the first gap to a side portion. The radiating portion is inside the side frame and connects to the feed portion and the ground portion, the radiating portion is spaced apart from the side frame and connected to the first radiating section. One end of the first matching circuit connects to an end of the first radiating section adjacent to the first gap, another end connects to the ground portion. The feed portion feeds current into the radiating portion, two opposites ends of the first radiating section and the first matching circuit to activate radiating signals in a first frequency band. A wireless communication device employing the antenna assembly is also provided.

Antenna assembly and wireless communication device employing same

A multi-frequency antenna structure includes a feed portion, a first ground portion, a first radiating portion, a second radiating portion, and a third radiating portion. The feed portion supplies current to the antenna structure. The first ground portion is spaced apart from the feed portion and grounds the antenna structure. The first radiating portion is electrically connected to the feed portion. The second radiating portion is spaced apart from the first radiating portion and is electrically connected to the first ground portion. The third radiating portion is spaced apart from the second radiating portion and is electrically connected to the feed portion and the first radiating portion.

An antenna structure includes a metallic member, a feed portion, a ground portion, and a radiator. The metallic member defines at least one slot and is divided into a first combining portion and a second combining portion by the at least one slot. The feed portion feeds current to the first combining portion. The ground portion grounds the first combining portion. The radiator feeds current to the second combining portion. The first combining portion, the feed portion, and the ground portion cooperatively form a first antenna to activate a first mode for generating radiation signals in a first frequency band. The second combining portion and the radiator cooperatively form a second antenna to activate a second mode for generating radiation signals in a second frequency band.

An antenna structure includes a metallic member, a feed portion, a ground portion and a radiating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame defines a slot. The front frame defines a first gap and a second gap, which are in communication with the slot and extend across the front frame. A straight portion of the front frame between the first gap and the second gap forms a radiating section. The feed portion and the ground portion are electrically connected to the radiating section. Current enters the radiating section from the feed portion. The current flows through the radiating section and towards the second gap. The radiating portion obtains current from the radiating section by coupling. The radiating section and the radiating portion generate radiation signals in two different frequency bands. A wireless communication device using the antenna structure is provided.

An antenna module includes a main body, a baseboard, and a ground portion. The main body is made of conductive material. The baseboard is received in the main body and includes a feed point. One end of the feed point is electrically connected to the main body. Another end of the feed point feeds current to the main body. The ground portion is grounded and defines a space. The baseboard is spaced from the main body to form a first gap therebetween. The ground portion is positioned in the first gap to electrically connect the baseboard to the main body and an area of the first gap corresponding to the space forms a second gap.

Antenna module and wearable device using same

An antenna module includes a metallic member and a first radiating portion. The metallic member defines a slot. The slot is configured to divide the metallic member into a first metallic portion and a second metallic portion. The second metallic portion is spaced apart from the first metallic portion. The first radiating portion is positioned in the second metallic portion and is spaced apart from the second metallic portion. The first metallic portion is grounded. The first radiating portion is configured to receive a current signal and couple the current signal to the second metallic portion. The second metallic portion and the first metallic portion are configured to cooperatively activate a plurality of resonating modes through the slot.

Antenna module and wireless communication device using same

An antenna structure includes a baseplate, a first radiator plate, a second radiator plate, and a third radiator plate. The baseplate has a first surface and a second surface opposite to the first surface. The first radiator plate is disposed on the first surface. The second radiator plate is disposed on the first surface. The third radiator plate is disposed on the second surface. A slot is defined between the first radiator plate and the second radiator plate, and the second radiator plate is coupled to the first radiator plate and the third radiator plate.

Antenna structure and wireless communication device using the same

An antenna switching system includes a first antenna, a second antenna, a first sensing unit, a second sensing unit, a controlling unit, and a switching unit. The first sensing unit detects a distance between an object and the first antenna. The second sensing unit detects a distance between the object and the second antenna. The controlling unit is electronically connected to the first sensing unit and the second sensing unit. The switching unit is electronically connected to the controlling unit, the first antenna, and the second antenna. The controlling unit is configured to activate and deactivate the first antenna and the second antenna via the switching unit based on detections of the first sensing unit and the second sensing unit.

Antenna switching system and wireless communication device using the antenna switching system

An antenna structure includes a feed portion, a ground portion, a first radiator, a second radiator, a first metallic sheet, and a second metallic sheet. The first radiator is coupled to the feed portion. The second radiator is spaced from the first radiator, and is electronically coupled to the first radiator. The first metallic sheet is coupled to the ground portion. The first metallic sheet and the second metallic sheet are connected to two opposite sides of the second radiator.

An antenna structure includes a feed end, a ground end, a main radiator, a coupling portion, a matching circuit, a switching circuit, and a diplexer. The main radiator is coupled to the feed end. The coupling portion is coupled to the ground end and is spaced apart from the main radiator to allow current to flow from the main radiator to the coupling portion. The switching circuit is coupled to the ground end. The diplexer includes a first port, a second port, and a third port, the first port is coupled to the feed end, the second port is coupled to a transceiver via the matching circuit, and the third port is coupled to the transceiver. The diplexer separates high frequency current from low frequency current output from the feed end, the matching circuit and the switching circuit adjust the high frequency current and the low frequency current.

An antenna structure includes a feeding portion, a first grounding portion, a second grounding portion, a first loop antenna and a second loop antenna. The feeding portion has a first side and a second side parallel to the first side. The first grounding portion is positioned adjacent and apart from the first side of the feeding portion. The second grounding portion is positioned adjacent and apart from the second side of the grounding portion. The first loop antenna is defined to accept a second loop antenna therein, and is electronically coupled to the first and second grounding portions. The second loop antenna is positioned inside and apart from the first loop antenna, and further electronically coupled to the feeding portion.

Antenna structure and wireless communication device employing same

An antenna structure includes a monopole antenna, a short parasitic antenna and an impedance matching circuit. The monopole antenna includes a first radiating body, a second radiating body and a feeding portion coupled to the first radiating body and the second radiating body. The first radiating body configured to excite a low-frequency resonating mode; the second radiating body configured to excite a first high-frequency resonating mode. The short parasitic antenna includes a parasitic body spaced apart from the second radiating body and a grounding portion coupled to the parasitic body. The short parasitic antenna configured to excite a second high-frequency resonating mode, and resonate with the second radiating body to excite a third high-frequency resonating mode. The impedance matching circuit includes a variable capacitor configured to regulate operating frequency band of the low-frequency resonating mode.

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Taipei, Taiwan

Geng-Hong Liou