Compal Electronics, Inc.

National Taiwan University

Chao-Lin Wu

Shih-Chia Liu

Li-Chun Lee

Yen-Hao Yu

Jui-Hung Lai

Jhin-Ciang Chen

Chun-Cheng Chan

Li-Chen Fu

Chih-Heng Lin

An-Yao Chou

The disclosure provides an antenna structure, including at least one supporting module, a first antenna, and a second antenna. The first antenna is disposed on the at least one supporting module and includes a first feeding point and a first zero-current zone. The first antenna is connected to a ground plane. The second antenna is disposed on the at least one supporting module and includes a second feeding point and a second zero-current zone. The second antenna is connected to the ground plane. The first feeding point of the first antenna is disposed in the second zero-current zone of the second antenna, and the second feeding point of the second antenna is disposed in the first zero-current zone of the first antenna.

Antenna structure

The disclosure provides an antenna module adapted for an electronic device having a metal casing. The antenna module includes an antenna structure and a slot structure. The antenna structure includes a radiation portion, a feeding portion, a ground portion and an extension portion, wherein the feeding portion, the ground portion and the extension portion are connected to the radiation portion. The slot structure has an open end and a closed end, wherein the open end of the slot structure is adjacent to the extension portion of the antenna structure. The antenna structure is excited and resonates to generate a first antenna resonant mode, and the slot structure is coupled to the antenna structure and resonates to generate a second antenna resonant mode.

Antenna module

An antenna device is provided in the disclosure. The antenna device includes a metal component, a signal cable, and a grounding component. The metal component includes a slot. The slot includes an open end and a closed end, and the open end forms an opening at a side of the metal component. The signal cable includes a signal portion and a grounding portion. The signal cable is disposed such that a projection of the signal portion is partially overlapped with the opening. The grounding portion is electrically connected to the metal component through the grounding component.

Antenna device

An antenna apparatus and an electronic apparatus are provided. The electronic apparatus includes the antenna apparatus. The antenna apparatus includes a radiator, a first and a second impedance control circuit. The radiator receives and transmits a radio frequency (RF) signal. The first impedance control circuit is electrically connected to the radiator and transmits the RF signal. The second impedance control circuit includes an impedance matching circuit and an inductor. The first end of the impedance matching circuit is electrically connected to the radiator. The impedance matching circuit adjusts the impedance matching of the radiator and transmits a sensing signal. The inductor is electrically connected to the second end of the impedance matching circuit. The inductor transmits a sensing signal, and blocks the RF signal. Accordingly, the structures of the antenna and the circuit can be simplified, and the influence between the RF signal and the sensing signal can be reduced.

Antenna apparatus and electronic apparatus

A slot antenna structure for an electronic tag includes a dielectric layer, a conductor layer, a slot area and a capacitance adjustment unit. The electronic tag includes an identification chip. The conductor layer is disposed on the dielectric layer. The slot area is disposed in the conductor layer and includes an open slot, an open end and at least one closed slot. The open end is located at an edge of the conductor layer and extends inwardly to form the open slot for disposing the identification chip. The open slot has two sidewalls, and the two sidewalls have at least one turning point at a bottom portion of the open slot to form the closed slot. The capacitance adjustment unit is disposed on a surface of the dielectric layer different from the conductor layer to correspond to the slot area, thereby generating a capacitance effect.

Slot antenna structure for electronic tag

An antenna structure including a metal element, a first capacitor, a second capacitor, a feeding element and an adjustment element is provided. The metal element has an open slot, and the open slot has an open end, a first slot and a second slot. The first slot and the second slot are respectively disposed on two opposite sides of the open end. The feeding element crosses the first slot. A first end of the feeding element has a feeding point, and a second end of the feeding element is electrically connected to the metal element through the first capacitor. The adjustment element is disposed in the second slot. A first end of the adjustment element is electrically connected to the metal element, and a second end of the adjustment element is electrically connected to the metal element through the second capacitor.

An antenna structure includes a substrate, a metal element, and a feeding element. The metal element has an open slot. The open slot forms a first resonant path. The substrate is disposed on the metal element. The feeding element is disposed on the substrate, and the metal element and the feeding element are respectively disposed on two opposite sides of the substrate. The feeding element includes a feeding end and a shorting end electrically connected to the metal element. An orthogonal projection of the feeding element on the metal element is partially overlapped with the open slot. The feeding element forms a second resonant path extending from the feeding end to the shorting end. The antenna structure operates in a first band through the first resonant path and operates in a second band through the second resonant path.

Methods and systems for tracking users and providing services are provided. The system comprises a plurality of pressure sensors, a storage unit, at least one service providing unit having a service, and a signal processing unit. The pressure sensors detect pressure applied thereon at a specific time point, and correspondingly generate sensed signals. The signal processing unit receives the sensed signals from the pressure sensors, and stores the sensed signals to the storage unit. The signal processing unit calculates a current state of an object according to the sensed signals and historical sensed signals and historical states of the object in the storage unit, and determines one of the at least one service providing unit according to the current state to activate service thereof.

Growing community of inventors

Taipei, Taiwan

Chao-Lin Wu