WO2012107835A3 - Chassis-excited antenna apparatus and methods - Google Patents

Chassis-excited antenna apparatus and methods Download PDF

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Publication number
WO2012107835A3
WO2012107835A3 PCT/IB2012/000330 IB2012000330W WO2012107835A3 WO 2012107835 A3 WO2012107835 A3 WO 2012107835A3 IB 2012000330 W IB2012000330 W IB 2012000330W WO 2012107835 A3 WO2012107835 A3 WO 2012107835A3
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
radiator
chassis
methods
frequency band
Prior art date
Application number
PCT/IB2012/000330
Other languages
French (fr)
Other versions
WO2012107835A2 (en
Inventor
Prasadh Ramachandran
Petteri Annamaa
Original Assignee
Pulse Finland Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pulse Finland Oy filed Critical Pulse Finland Oy
Priority to CN201280008439.8A priority Critical patent/CN103348534B/en
Priority to EP12744936.1A priority patent/EP2673841A4/en
Priority to KR1020137023693A priority patent/KR101547746B1/en
Publication of WO2012107835A2 publication Critical patent/WO2012107835A2/en
Publication of WO2012107835A3 publication Critical patent/WO2012107835A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

A chassis-excited antenna apparatus, and methods of tuning and utilizing the same. In one embodiment, a distributed loop antenna configuration is used within a handheld mobile device (e.g., cellular telephone). The antenna comprises two radiating elements: one configured to operate in a high-frequency band, and the other in a low-frequency band. The two antenna elements are disposed on different side surfaces of the metal chassis of the portable device; e.g., on the opposing sides of the device enclosure. Each antenna component comprises a radiator and an insulating cover. The radiator is coupled to a device feed via a feed conductor and a ground point. A portion of the feed conductor is disposed with the radiator to facilitate forming of the coupled loop resonator structure.
PCT/IB2012/000330 2011-02-11 2012-01-24 Chassis-excited antenna apparatus and methods WO2012107835A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201280008439.8A CN103348534B (en) 2011-02-11 2012-01-24 Underframe active antenna apparatus and method
EP12744936.1A EP2673841A4 (en) 2011-02-11 2012-01-24 Chassis-excited antenna apparatus and methods
KR1020137023693A KR101547746B1 (en) 2011-02-11 2012-01-24 Chassis-excited antenna component, antenna apparatus, and mobile communications device thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/026,078 US8648752B2 (en) 2011-02-11 2011-02-11 Chassis-excited antenna apparatus and methods
US13/026,078 2011-02-11

Publications (2)

Publication Number Publication Date
WO2012107835A2 WO2012107835A2 (en) 2012-08-16
WO2012107835A3 true WO2012107835A3 (en) 2012-11-22

Family

ID=46636476

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/000330 WO2012107835A2 (en) 2011-02-11 2012-01-24 Chassis-excited antenna apparatus and methods

Country Status (5)

Country Link
US (2) US8648752B2 (en)
EP (1) EP2673841A4 (en)
KR (1) KR101547746B1 (en)
CN (1) CN103348534B (en)
WO (1) WO2012107835A2 (en)

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