[특허]Antenna, shielding and grounding

Antenna, shielding and grounding 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01Q-001/24 H01Q-001/42 H04R-001/02
출원번호	US-0195974 (2014-03-04)
등록번호	US-9444131 (2016-09-13)
발명자 / 주소	Uttermann, Erik A. Franklin, Jeremy C. McClure, Stephen C. Corbin, Sean S. Li, Qingxiang Gomez Angulo, Rodney A.
출원인 / 주소	APPLE INC.
대리인 / 주소	Brownstein Hyatt Farber Schreck, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 47

초록 ▼

A portable computing device is disclosed. The portable computing device can take many forms such as a laptop computer, a tablet computer, and so on. The portable computing device can include a single piece housing formed from a radio opaque material with a cover formed from a radio transparent material. To implement a wireless interface, an antenna stack-up can be provided that allows an antenna to be mounted to a bottom of the cover. Methods and apparatus are provided for improving wireless performance. For instance, in one embodiment, a metal housing can be thinned to improve antenna performance. As another example, a faraday cage can be formed around speaker drivers to improve antenna performance.

대표청구항 ▼

1. A system comprising: a metal housing including a surface for receiving a cover glass;a speaker assembly including: a speaker housing having at least one metal portion for enclosing at least one speaker driver;a connector for grounding the at least one speaker driver to the at least one metal portion of the speaker housing;a conductive material wrapped around the speaker housing for forming a faraday cage around the at least one speaker driver, the conductive material grounded to the at least one metal portion and the metal housing; andan antenna system mounted to a bottom of the cover glass and to the speaker assembly and grounded to the metal housing. 2. The system of claim 1, wherein metal housing is an aluminum housing. 3. The system of claim 1, further comprising: a compressible layer of foam coupled to the antenna system wherein the compressible foam layer is configured to exert an upward force to the antenna system to provide a relatively constant spacing between the antenna system and a bottom of the cover glass and to minimize air gaps between the bottom of the cover glass and the antenna system. 4. The system of claim 1, further comprising: a display module and a touch panel disposed between the display module and the cover glass, the display module including one or more EMI generating layers wherein the EMI generating layers are grounded to a metal portion of a display module housing using a conductive tape to help to mitigate an effect of the EMI generating layers of the touch panel. 5. The system of claim 1, further comprising: a trim bead disposed between the metal housing and the cover glass; anda grounding tab coupled to the antenna system wherein a portion of the trim bead is removed surrounding where the grounding tab is coupled to the metal housing. 6. The system of claim 1, wherein the antenna system is configured to support a wireless protocol selected from the group consisting of Wi-Fi, GSM, and CDMA. 7. The system of claim 1, wherein the conductive material comprises conductive tape. 8. The system of claim 1, wherein the speaker housing encloses at least one additional speaker driver and has at least one additional metal portion. 9. The system of claim 8, further comprising at least one additional connector for grounding the at least one additional speaker driver to the at least one additional metal portion. 10. The system of claim 8, wherein the conductive material is also grounded to the at least one additional metal portion. 11. The system of claim 8, wherein the conductive material also forms the faraday cage around the at least one additional speaker driver. 12. The system of claim 1, wherein the conductive material provides a constant ground plane between the antenna system and at least one metal component of the speaker assembly. 13. The system of claim 12, wherein the conductive material mitigates effects resulting from sizes, shapes, or positions of the at least one metal component of the speaker assembly. 14. The system of claim 1, wherein the conductive material fills at least one gap between the antenna system and at least one metal component of the speaker assembly that can resonate one or more radio frequencies. 15. A portable computing device comprising: a metal housing including a surface coupled to a cover;a speaker assembly including: a speaker housing that encloses a speaker;a connector that grounds the speaker to the speaker housing;a faraday cage formed around the speaker that is grounded to the speaker housing and the metal housing; andan antenna system mounted to the cover that is grounded to the metal housing. 16. The portable computing device of claim 15, wherein the metal housing is radio opaque and the cover is radio transparent. 17. The portable computing device of claim 15, wherein the metal housing comprises a single piece metal housing. 18. The portable computing device of claim 15, further comprising a gasket between the surface and the cover. 19. The portable computing device of claim 15, wherein the metal housing comprises aluminum or stainless steel. 20. The portable computing device of claim 15, wherein the metal housing defines an opening to which the speaker assembly is coupled.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Antenna, shielding and grounding 원문보기

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Antenna, shielding and grounding 원문보기

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