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4-Traders Homepage  >  Equities  >  TAIWAN STOCK EXCHANGE  >  HTC Corp    2498   TW0002498003

HTC CORP (2498)
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HTC : Researchers Submit Patent Application, "Mobile Device and Manufacturing Method Thereof", for Approval (USPTO 20180183137)

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07/12/2018 | 11:43pm CEST

By a News Reporter-Staff News Editor at Electronics Newsweekly -- From Washington, D.C., VerticalNews journalists report that a patent application by the inventors TSAI, Tiao-Hsing (Taoyuan City, TW); CHIU, Chien-Pin (Taoyuan City, TW); WU, Hsiao-Wei (Taoyuan City, TW); FANG, Li-Yuan (Taoyuan City, TW); TZENG, Shen-Fu (Taoyuan City, TW); KUNG, Yi-Hsiang (Taoyuan City, TW), filed on October 2, 2017, was made available online on July 5, 2018.

The patent's assignee is HTC Corporation.

News editors obtained the following quote from the background information supplied by the inventors: "Field of the Invention

"The disclosure generally relates to a mobile device, and more particularly, to a mobile device and an antenna structure therein.

"Description of the Related Art

"With the advancements being made in mobile communication technology, mobile devices such as portable computers, mobile phones, multimedia players, and other hybrid functional portable electronic devices have become more common. To satisfy user demand, mobile devices can usually perform wireless communication functions. Some devices cover a large wireless communication area; these include mobile phones using 2G, 3G, and LTE (Long Term Evolution) systems and using frequency bands of 700 MHz, 850 MHz, 900 MHz, 1800 MHz, 1900 MHz, 2100 MHz, 2300 MHz, 2500 MHz, 3500 MHz and CBRS (Citizens Broadband Radio Service). Some devices cover a small wireless communication area; these include mobile phones using Wi-Fi and Bluetooth systems and using frequency bands of 2.4 GHz, 5.2 GHz, and 5.8 GHz.

"In order to improve their appearance, current designers often incorporate metal elements into mobile devices. However, the newly added metal elements tend to negatively affect an antenna's ability to support wireless communication in mobile devices, thereby the overall communication quality of the mobile device. As a result, there is a need to propose a novel mobile device with a novel antenna structure, so as to overcome the problems of the prior art."

As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "In a preferred embodiment, the invention is directed to a mobile device including a system circuit board, a metal frame, a first feeding element, a second feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame includes a first portion and a second portion. The metal frame at least has a first cut point positioned between the first portion and the second portion. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion. The second feeding element is directly or indirectly electrically connected to the second portion. A second antenna structure is formed by the second feeding element and the second portion. The RF module is electrically coupled to the first feeding element and the second feeding element, so as to excite the first antenna structure and the second antenna structure.

"In some embodiments, the first antenna structure covers a median-frequency band from 1710 MHz to 2200 MHz, and a first high-frequency band from 2300 MHz to 2690 MHz. The second antenna structure covers a second high-frequency band from 3400 MHz to 3800 MHz.

"In some embodiments, the first portion has a first end and a second end. The first end of the first portion is a first shorting point coupled to the system ground plane. The second end of the first portion is adjacent to the first cut point.

"In some embodiments, the first feeding element substantially has an L-shape or a straight-line shape. some embodiments, the first feeding element is separate from the first portion, and a coupling gap is formed between the first feeding element and the first portion.

"In some embodiments, the total length of the first feeding element and the first portion is equal to 0.5 wavelength of the median-frequency band.

"In some embodiments, the length of the first feeding element is equal to 0.25 wavelength of the first high-frequency band.

"In some embodiments, the first feeding element is directly coupled to a first connection point on the first portion, and the first connection point is positioned between the first end and the second end of the first portion.

"In some embodiments, the length of the first portion is equal to 0.25 wavelength of the median-frequency band.

"In some embodiments, the total length from the first feeding element through the first connection point to the second end of the first portion is equal to 0.25 wavelength of the first high-frequency band.

"In some embodiments, the first antenna structure further includes a tuning element, which includes a plurality of matching elements and a switch element. The switch element is coupled to a position between the first end and the second end of the first portion. The switch element is configured to select one of the matching elements, such that the first portion is coupled through the selected matching element to the system ground plane.

"In some embodiments, the matching elements include one or more inductors and/or one or more capacitors.

"In some embodiments, the second portion has a first end and a second end. The first end of the second portion is a second shorting point coupled to the system ground plane. The second end of the second portion is adjacent to the first cut point.

"In some embodiments, the second feeding element substantially has a straight- shape or an N-shape.

"In some embodiments, the second feeding element is directly coupled to a second connection point on the second portion, and the second connection point is positioned between the first end and the second end of the second portion.

"In some embodiments, the length of the second portion is equal to 0.25 wavelength of the second high-frequency band.

"In some embodiments, the second feeding element is directly coupled to the second end of the second portion.

"In some embodiments, the total length of the second feeding element and the second portion is equal to 0.5 wavelength of the second high-frequency band.

"In some embodiments, the mobile device further includes one or more other antenna elements. The metal frame further has a second cut point for separating the other antenna elements from the first antenna structure and the second antenna structure.

"In some embodiments, the metal frame further has a second cut point, such that the second antenna structure is capable of operating in a plurality of frequency bands.

"In another preferred embodiment, the invention is directed to a method for manufacturing a mobile device. The method includes the steps of: providing a system circuit board, a metal frame, a first feeding element, a second feeding element, and an RF (Radio Frequency) module, wherein the system circuit board includes a system ground plane, the metal frame includes a first portion and a second portion, and the metal frame has a first cut point positioned between the first portion and the second portion; directly or indirectly electrically connecting the first feeding element to the first portion, such that a first antenna structure is formed by the first feeding element and the first portion; directly or indirectly electrically connecting the second feeding element to the second portion, such that a second antenna structure is formed by the second feeding element and the second and electrically coupling the RF module to the first feeding element and the second feeding element, so as to excite the first antenna structure and the second antenna structure.

"In a preferred embodiment, the invention is directed to a mobile device including a system circuit board, a metal frame, a first feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame includes a first portion and a second portion. The metal frame has a first cut point positioned between the first portion and the second portion. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion. The second portion is excited by the first antenna structure using a coupling mechanism. The RF module is electrically coupled to the first feeding element, such that the mobile device is capable of operating in a plurality of frequency bands."

For additional information on this patent application, see: TSAI, Tiao-Hsing; CHIU, Chien-Pin; WU, Hsiao-Wei; FANG, Li-Yuan; TZENG, Shen-Fu; KUNG, Yi-Hsiang. Mobile Device and Manufacturing Method Thereof. Filed October 2, 2017 and posted July 5, 2018. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220180183137%22.PGNR.&OS=DN/20180183137&RS=DN/20180183137

Keywords for this news article include: Business, Electronics, Circuit Board, HTC Corporation, Wireless Technology, Wireless Communication.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2018, NewsRx LLC

(c) 2018 NewsRx LLC, source Technology Newsletters

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