Compal Electronics, Inc.

Taiwan Semiconductor Manufacturing Comp. Ltd.

Yi-Da Chen

Yao-Hsiung Chang

Jui-Hung Hsu

Li-Hsin Wang

Dan Ho

En-Tsao Chang

Ping-Yueh Hsieh

Jhu-Jyun Chang

Yi-Hsin Tsai

Hou-Lung Lin

A tunable antenna device includes a substrate, a switch, a control circuit, an antenna and a frequency adjustment portion. The substrate includes first and second surfaces and first and second through-holes. The switch is on the first surface and includes first, second and first control terminals. The control circuit is on the first surface and electrically coupled to the first control terminal. The antenna is on the second surface and includes first and second radiation members. The frequency adjustment portion is on the second surface and includes first and second metal portions. The first metal portion includes a first interdigital structure electrically coupled to the first radiation member. The second metal portion includes second and third interdigital structures electrically coupled to the second radiation member. The second and third interdigital structures are electrically coupled to the first and second terminals through the first and second through-holes respectively.

Tunable antenna device

An electronic device is provided. The electronic device includes a printed circuit board (PCB), an antenna structure, a radio frequency signal transceiving circuit and a testing structure. The antenna structure is disposed on the PCB. The radio frequency signal transceiving circuit is disposed on the PCB, and is connected to the antenna structure through a conductive line. The testing structure includes a testing point and a grounding structure. The testing point is disposed on the conductive line, and the grounding structure is disposed on the PCB.

Electronic device and testing system

A parallel control method for sequential process control flow. First, a parallel step including a plurality of independent sub-steps is generated in a sequential process control flow. One of the sub-steps is directed to execute at a time, and any sub-step gains the right to execute when the other sub-steps are in waiting state. It is assessed the parallel step is complete by whether all of the sub-steps are complete, and the sequential process control flow is controlled to a next step succeeding the parallel step if the parallel step is complete.

Parallel control method for sequential process control flow

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Taipei, Taiwan

Yi-Da Chen