FR2882874B1 - ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT - Google Patents

ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT

Info

Publication number
FR2882874B1
FR2882874B1 FR0502246A FR0502246A FR2882874B1 FR 2882874 B1 FR2882874 B1 FR 2882874B1 FR 0502246 A FR0502246 A FR 0502246A FR 0502246 A FR0502246 A FR 0502246A FR 2882874 B1 FR2882874 B1 FR 2882874B1
Authority
FR
France
Prior art keywords
antenna
switchable circuit
radiant surfaces
flat radiant
flat
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0502246A
Other languages
French (fr)
Other versions
FR2882874A1 (en
Inventor
Fernando Romao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Apple Inc
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR0502246A priority Critical patent/FR2882874B1/en
Priority to EP06110781.9A priority patent/EP1715597B1/en
Publication of FR2882874A1 publication Critical patent/FR2882874A1/en
Application granted granted Critical
Publication of FR2882874B1 publication Critical patent/FR2882874B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable
    • H01Q9/145—Length of element or elements adjustable by varying the electrical length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
FR0502246A 2005-03-07 2005-03-07 ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT Expired - Fee Related FR2882874B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0502246A FR2882874B1 (en) 2005-03-07 2005-03-07 ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT
EP06110781.9A EP1715597B1 (en) 2005-03-07 2006-03-07 Antenna composed of planar surfaces connected by switching circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0502246A FR2882874B1 (en) 2005-03-07 2005-03-07 ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT

Publications (2)

Publication Number Publication Date
FR2882874A1 FR2882874A1 (en) 2006-09-08
FR2882874B1 true FR2882874B1 (en) 2007-05-11

Family

ID=34954663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0502246A Expired - Fee Related FR2882874B1 (en) 2005-03-07 2005-03-07 ANTENNA WITH FLAT RADIANT SURFACES WITH SWITCHABLE CIRCUIT

Country Status (2)

Country Link
EP (1) EP1715597B1 (en)
FR (1) FR2882874B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06291696A (en) * 1993-03-30 1994-10-18 Sony Corp Antenna sharing unit
GB2335798B (en) * 1998-03-26 2003-01-29 Nec Technologies Enhanced bandwidth antennas
US6169523B1 (en) * 1999-01-13 2001-01-02 George Ploussios Electronically tuned helix radiator choke
FR2812766B1 (en) * 2000-08-01 2006-10-06 Sagem ANTENNA WITH SURFACE (S) RADIANT (S) PLANE (S) AND PORTABLE TELEPHONE COMPRISING SUCH ANTENNA
US6864848B2 (en) * 2001-12-27 2005-03-08 Hrl Laboratories, Llc RF MEMs-tuned slot antenna and a method of making same

Also Published As

Publication number Publication date
EP1715597A2 (en) 2006-10-25
FR2882874A1 (en) 2006-09-08
EP1715597B1 (en) 2016-03-02
EP1715597A3 (en) 2007-04-11

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
TP Transmission of property

Owner name: APPLE INC., US

Effective date: 20111229

PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

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PLFP Fee payment

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ST Notification of lapse

Effective date: 20221105