Apparatus and methods for wireless communication
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01Q-009/16
H01Q-009/04
H01Q-001/24
H01Q-007/00
H01Q-009/42
H01Q-005/371
H01Q-009/26
출원번호
US-0119505
(2011-05-23)
등록번호
US-9673525
(2017-06-06)
국제출원번호
PCT/IB2011/052243
(2011-05-23)
§371/§102 date
20131226
(20131226)
국제공개번호
WO2012/160413
(2012-11-29)
발명자
/ 주소
Zheng, Ming
Wang, Hanyang
출원인 / 주소
Nokia Technologies Oy
대리인 / 주소
Alston & Bird LLP
인용정보
피인용 횟수 :
1인용 특허 :
3
초록▼
An apparatus comprising: a first antenna having a first end coupled to a first port and a second end coupled to a second port, the first antenna extending between the first and second ends and having a mid-point substantially halfway between the first and second ends, the first antenna having a firs
An apparatus comprising: a first antenna having a first end coupled to a first port and a second end coupled to a second port, the first antenna extending between the first and second ends and having a mid-point substantially halfway between the first and second ends, the first antenna having a first electrical length and resonant in a first operational resonant frequency band; a second antenna extending from the first antenna at a position between one of the first and second ends and the mid-point of the first antenna, the second antenna having a second electrical length and resonant in a second operational resonant frequency band; and a third antenna extending from the first antenna at position between one of the first and second ends and the mid-point of the first antenna, the third antenna having a third electrical length and resonant in a third operational resonant frequency band.
대표청구항▼
1. An apparatus comprising: a first antenna having a first end configured to couple to a first port and a second end configured to couple to a second port, the first antenna extending between the first end and the second end and having a mid-point substantially halfway between the first end and the
1. An apparatus comprising: a first antenna having a first end configured to couple to a first port and a second end configured to couple to a second port, the first antenna extending between the first end and the second end and having a mid-point substantially halfway between the first end and the second end, the first antenna being configured to have a first electrical length and resonate in a first operational resonant frequency band;a second antenna extending from the first antenna at a position between one of the first end and the second end and the mid-point of the first antenna, the second antenna being configured to have a second electrical length and resonate in a second operational resonant frequency band; anda third antenna extending from the first antenna at a position between one of the first end and the second end and the mid-point of the first antenna, the third antenna being configured to have a third electrical length and resonate in a third operational resonant frequency band, andwherein the midpoint is positioned to overlie a first conductive portion of the first antenna and a second conductive portion of the first antenna, the first and second conductive portions defining a space therebetween and being configured to couple to the first and second ports respectively,wherein a portion of the first antenna that includes the mid-point lies in a different plane than other portions of the first antenna that extend at least partially between a respective one of the first and second conductive portions and the portion of the first antenna that includes the mid-point, andwherein the position from which the second antenna extends from the first antenna is offset from the mid-point of the first antenna. 2. An apparatus as claimed in claim 1, wherein the second antenna is a monopole antenna and is configured to resonate in a 3λ/4 mode to operate in the second operational resonant frequency band. 3. An apparatus as claimed in claim 2, wherein the second electrical length extends from one of the first end and the second end of the first antenna to an open end of the second antenna. 4. An apparatus as claimed in claim 1, wherein the third antenna is a monopole antenna and is configured to resonate in a 3λ/4 mode to operate in the third operational resonant frequency band. 5. An apparatus as claimed in claim 4, wherein the third electrical length extends from one of the first end and the second end of the first antenna to an open end of the third antenna. 6. An apparatus as claimed in claim 1, wherein the first antenna defines a cavity and the second and third antennas are positioned within the cavity. 7. An apparatus as claimed in claim 1, wherein the first antenna defines a cavity and at least one of the second and third antennas are positioned external to the cavity. 8. An apparatus as claimed in claim 1, wherein the first antenna is configured to operate in a fourth operational resonant frequency band and in a fifth operational resonant frequency band, the second, third, fourth and fifth operational resonant frequency bands being configured to provide a reflection coefficient of at least −6 dB between 1.6 GHz and 2.7 GHz. 9. An apparatus as claimed in claim 1, wherein the second port is a ground point. 10. An apparatus as claimed in claim 1, wherein the first port is a feed point. 11. An apparatus as claimed in claim 1, wherein the second electrical length is different to the third electrical length and the second operational resonant frequency band is different to the third operational resonant frequency band. 12. An apparatus as claimed in claim 1, wherein the second electrical length is substantially the same as the third electrical length and the second operational resonant frequency band substantially overlaps the third operational resonant frequency band. 13. An apparatus as claimed in claim 1, wherein the second antenna is configured to have a first physical length and the third antenna is configured to have a second physical length, the first physical length being different to the second physical length. 14. A module comprising an apparatus as claimed in claim 1. 15. An electronic communication device comprising an apparatus as claimed in claim 1. 16. A method comprising: providing a first antenna having a first end configured to couple to a first port and a second end configured to couple to a second port, the first antenna extending between the first end and the second end and having a mid-point substantially halfway between the first end and the second end, the first antenna being configured to have a first electrical length and resonate in a first operational resonant frequency band;providing a second antenna extending from the first antenna at a position between one of the first end and the second end and the mid-point of the first antenna, the second antenna being configured to have a second electrical length and resonate in a second operational resonant frequency band; andproviding a third antenna extending from the first antenna at a position between one of the first end and the second end and the mid-point of the first antenna, the third antenna being configured to have a third electrical length and resonate in a third operational resonant frequency band, andwherein the midpoint is positioned to overlie a first conductive portion of the first antenna and a second conductive portion of the first antenna, the first and second conductive portions defining a space therebetween and being configured to couple to the first and second ports respectively,wherein a portion of the first antenna that includes the mid-point lies in a different plane than other portions of the first antenna that extend at least partially between a respective one of the first and second conductive portions and the portion of the first antenna that includes the mid-point, andwherein the position from which the second antenna extends from the first antenna is offset from the mid-point of the first antenna. 17. A method as claimed in claim 16, wherein the second antenna is a monopole antenna and is configured to resonate in a 3λ/4 mode to operate in the second operational resonant frequency band. 18. A method as claimed in claim 16, wherein the second electrical length extends from one of the first end and the second end of the first antenna to an open end of the second antenna. 19. A method as claimed in claim 16, wherein the third antenna is a monopole antenna and is configured to resonate in a 3λ/4 mode to operate in the third operational resonant frequency band. 20. A method as claimed in claim 19, wherein the third electrical length extends from one of the first end and the second end of the first antenna to an open end of the third antenna.
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이 특허에 인용된 특허 (3)
Kim, Sung-Min, Broadband internal antenna combined with monopole antenna and loop antenna.
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