Asustek Computer Inc.

Lite-on Technology Corporation

Lite-on Electronics (guangzhou) Limited

Cheng-Tse Lee

Saou-Wen Su

Yi-Ting Hsieh

Ya-Wen Hsiao

Che-Chi Wan

An antenna system is on a first conductor, spaced apart from a second conductor and includes a first dielectric substrate, and a first metal layer and a second metal layer. Many first conductive structures are connected to the first metal layer and the second conductor. Many second conductive structures are connected to the first metal layer and the second metal layer. A second dielectric substrate includes a third horizontal surface, a first vertical surface and a second vertical surface. A frequency adjustment portion is on the third horizontal surface. A first matching portion and a second matching portion are on the second vertical surface. A first coupling distance is between the first matching portion and the first metal layer. A second coupling distance is between the second matching portion and the first metal layer. A signal source is connected to the second matching portion and the second metal layer.

Antenna system and antenna combination architecture

The disclosure provides a single antenna system comprising a ground element, a feeding metal part, at least one shorting metal part, a radiating metal part, a decoupling circuit, a first feed source, and a second feed source. The single antenna system with an integrated decoupled circuit not only effectively achieves size reduction, but achieve high antenna isolation. Moreover, the single antenna system is applied for narrow-bezel notebooks and small-size antenna systems in future.

Single antenna system

This disclosure provides a loop antenna, including a substrate, and a grounding portion, a matching portion, a first radiating portion, a second radiating portion, and a feed portion that are located on the substrate. The first radiating portion includes a first radiating segment and a second radiating segment. The grounding portion includes a first grounding segment and a second grounding segment. The second grounding segment is perpendicularly connected to a first end of the first grounding segment. The matching portion is connected to a second end of the first grounding segment and the first radiating segment. The first radiating segment extends from the matching portion away from the first grounding segment. The second radiating segment extends from the first radiating segment toward the second grounding segment. There is a coupling gap between the second radiating portion and the second radiating segment, and the second radiating portion extends toward the second grounding segment. The feed portion is located between an end of the second radiating portion and the second grounding segment to receive and send a feed signal.

Loop antenna

The disclosure provides an antenna element. The antenna element comprises a metal substrate, a first closed slot, a feed part and a first matching part. The first closed slot is formed in the metal substrate, and comprises a first slot section and a second slot section, wherein the length of the first slot section is greater than the length of the second slot section. The feed part spans across the closed slot, the closed slot is divided into the first slot section and the second slot section by the feed part, the feed part is used for exciting the first slot section to generate a resonant mode in a first frequency band and generate a resonant mode in a second frequency band, and exciting the second slot section to generate a resonant mode in a third frequency band. The first matching part is formed on the first slot section, and is connected to parts of the metal substrate, which are positioned on two sides of the first slot section.

Antenna element

A wireless communication device is provided. The wireless communication device comprises a circuit board and a loop antenna. The circuit board includes a wireless communication circuit. The wireless communication circuit includes a signal transmitting end and a ground terminal. The loop antenna includes a conductive loop, a feed portion, a first short-circuit portion and a second short-circuit portion. The feed portion is connected between the conductive loop and the signal transmitting end. The first short-circuit portion and the second short-circuit portion are connected between the conductive loop and the ground terminal, respectively.

Wireless communication device

An antenna is provided. The antenna includes: an antenna ground plane; a radiating unit parallel to the antenna ground plane, the radiating unit including: a common unit; a first branch extended from the common unit along a first direction; a second branch extended from the common unit along a second direction, wherein the first direction and the second direction are inverse; a third branch separated from the first branch and the second branch and extending outwardly from the common unit; a shorting unit located between a plane of radiating unit located and a plane of the antenna ground plane and connected to the common unit and the antenna ground plane; and a feeding unit located between a plane of the radiating unit and a plane of the antenna ground plane, wherein the feeding unit is separated from the shorting unit and connected to the third branch, and the shorting unit and the feeding unit are located on the same side.

Antenna and electric device using the same

The invention discloses a communication device and an antenna assembly thereof. The communication device includes a metal rim, a device metal member, and an antenna assembly. The device metal member is disposed in the metal rim. The antenna assembly includes an insulating substrate, two electrical coupling portions, a feeding part, and a feeding signal source. The insulating substrate is disposed between the device metal member and the metal rim. The two electrical coupling portions are disposed at two opposite ends of the insulating substrate and electrically coupled to the device metal member and the metal rim. The feeding part is disposed on the insulating substrate and electrically coupled to the metal rim, so as to form a first slot section and a second slot section. The feed part is electrically coupled to the metal rim. The feeding signal source is disposed on the insulating substrate, located between the feeding part and the device metal member, and electrically coupled to the feeding part and the device metal member.

Communication device and antenna assembly thereof

A wearable electronic device includes a device body, a wearable body, a circuit board, an antenna system and a conductive extension portion. The device body includes an upper casing and a lower casing. A feeding portion, a first grounding portion and a second grounding portion are disposed on a periphery of the circuit board. The second grounding portion is electrically connected to the upper casing. The antenna system is disposed on the inner surface of the lower casing. The feeding terminal of the antenna system is electrically connected to the feeding portion of the circuit board. The grounding terminal of the antenna system is electrically connected to the first grounding portion of the circuit board. An end of the conductive extension portion is electrically connected to the upper casing, the other end of the conductive extension portion is extended into the wearable body.

Wearable electronic device

A stand-alone multi-band antenna includes an antenna ground plate, a shielding metal wall, a first radiating unit, and a signal feed-in source. The first radiating unit connected to at least one side of the antenna ground plate and located above the antenna ground plate is an antenna structure generating the fringing-field. The first radiating unit provides a first operating band and a second operating band. The shielding metal wall is connected to a plurality of the adjacent sides of the antenna ground plate, and the height thereof is larger than or equal to that of the first radiating unit, therefore limiting the fringing-field of the first radiating unit within the stand-alone multi-band antenna. The signal feed-in source has a signal feed-in point and a ground point. The signal feed-in point is electrically connected to the first radiating unit, and the ground point is electrically connected to the shielding metal wall.

Stand-alone multi-band antenna

A hybrid multi-antenna system includes a system circuit board, an antenna substrate, at least a dipole antenna, and at least a monopole-slot antenna. The system board has at least a system ground plate, and the system ground plate is served as a reflector of the hybrid multi-antenna system. The antenna substrate and the system ground plate have a first distance therebetween. The dipole antenna having a first signal feed-in source and the monopole-slot antenna having a second signal feed-in source respectively provide a first and second operating band, and they are on a surface of the antenna substrate. The monopole-slot antenna is located nearby the dipole antenna. The monopole-slot antenna and the dipole antenna have a second distance therebetween. The first and second signal feed-in sources are vertical to each other, and have the phase difference of 90&#xb0;.

Hybrid multi-antenna system and wireless communication apparatus using the same

A multi-band antenna includes an antenna substrate, an antenna ground, an antenna unit, and a matching conductor. The antenna ground has a signal ground terminal and at least one bend. The antenna unit is adjacent to the antenna ground. The matching conductor is electrically coupled to the antenna ground, and an angle exists between the matching conductor and the antenna ground. A length of the first matching conductor is about a quarter of the wavelength corresponding to a frequency of the first operating band. The antenna unit includes a coupling conductor, a feeding conductor, a radiating conductor, and a shorting conductor. The feeding conductor has a signal feeding terminal One end of the radiating conductor is facing to the antenna ground, and a distance exists between the feeding conductor the antenna ground. Two ends of the shorting conductor are respectively electrically coupled to the antenna ground and the coupling conductor.

Multi-band antenna and electronic apparatus having the same

A multi-loop antenna system includes: a plurality of loop antennas disposed on a substrate and arranged such that each of extending lines extending respectively from geometric centers of the loop antennas to a center point that is bounded by the loop antennas has a predetermined length, and that each of the loop antennas is spaced apart from an adjacent one of the same by a predetermined distance; and a system module facing toward and being spaced apart from and parallel to the substrate such that the grounding plane is able to reflect radiation from the loop antennas. Each of the loop antennas includes first and second radiator portions operable in respective frequency bands; the former having opposite ends that respectively serve as signal-feed and grounding sections; the latter having opposite ends that are connected respectively to the signal-feed and grounding sections.

Growing community of inventors

Taipei, Taiwan

Cheng-Tse Lee