FI116332B - Antenn för en platt radioapparat - Google Patents

Antenn för en platt radioapparat Download PDF

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Publication number
FI116332B
FI116332B FI20022198A FI20022198A FI116332B FI 116332 B FI116332 B FI 116332B FI 20022198 A FI20022198 A FI 20022198A FI 20022198 A FI20022198 A FI 20022198A FI 116332 B FI116332 B FI 116332B
Authority
FI
Finland
Prior art keywords
antenna
parasite
antenna according
circuit board
frequency
Prior art date
Application number
FI20022198A
Other languages
English (en)
Finnish (fi)
Other versions
FI20022198A0 (sv
FI20022198A (sv
Inventor
Jyrki Mikkola
Tommi Lepistoe
Original Assignee
Lk Products 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 Lk Products Oy filed Critical Lk Products Oy
Priority to FI20022198A priority Critical patent/FI116332B/sv
Publication of FI20022198A0 publication Critical patent/FI20022198A0/sv
Priority to US10/722,650 priority patent/US7136019B2/en
Priority to EP03396111A priority patent/EP1432072A1/en
Priority to CNA2003101233814A priority patent/CN1519978A/zh
Publication of FI20022198A publication Critical patent/FI20022198A/sv
Application granted granted Critical
Publication of FI116332B publication Critical patent/FI116332B/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/005—Patch antenna using one or more coplanar parasitic elements
    • 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
    • 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
    • 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
    • H01Q5/378—Combination of fed elements with parasitic 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
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H01Q5/392—Combination of fed elements with parasitic elements the parasitic elements having dual-band or multi-band characteristics
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • 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
    • H01Q9/40—Element having extended radiating surface
    • 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

Claims (11)

1. Inre antenn av en flat radioapparat, i vilken inre antenn finns ett baselement 15 (110; 210; 310) av monopol-typ med sin matarledning (105) samt ett parasitelement (120; 220; 320) som fungerar som hjälpsträlare, kännetecknad av, att den ytterliga-re innefattar ett enskilt induktivt element (125; 225; 325) kopplat mellan parasit-elementet och radioapparatens signalgrund (GND), för optimering av antennens an-:V: passning. « * * ‘ ‘ 20
2. Antenn i enlighet med patentkrav 1, kännetecknad av att mellan en första del (B11; 311) och en andra del (B12; 312) av baselementet finns en elektromagnetisk :: koppling för fastställning av relation av baselementets grundresonansfrekvens och ·* dess närmaste harmonisk frekvens sä, att grundresonansfrekvensen ligger i fre- kvensomrädet av ett första radiosystem och den nämnda närmaste harmoniska fre-25 kvensen ligger i frekvensomrädet av ett andra radiosystem.
3. Antenn i enlighet med patentkrav 2, kännetecknad av att strukturen formad ’ ·’ av parasitelementet och anpassningselementet har en första resonansfrekvens, som : .. är arrangerad i frekvensomrädet av det första radiosystemet och en andra resonans- ; : frekvens, som är arrangerad i frekvensomrädet av det andra radiosystemet. ·· 30
4. Antenn i enlighet med patentkrav 1, i vilken radioapparat finns ett mönsterkort , (101; 201; 301), kännetecknad av att baselementet och parasitelementet ligger vä- sentligt ovanpä varandra sett i riktning av normal av radioapparatens mönsterkort. 116332
5. Antenn i enlighet med patentkrav 4, kännetecknad av att baselementet (110) och parasitelementet (120) är stela ledartrad vid sidan av det nämnda mönsterkortet (101) sett i riktning av dess normal.
6. Antenn i enlighet med patentkrav 4, kännetecknad av att parasitelementet är 5 en ledarremsa (220) pä ytan av det nämnda mönsterkortet och baselementet är ett stelt ledarstycke (210).
7. Antenn i enlighet med patentkrav 4, kännetecknad av att baselementet är en ledarremsa (310) pä ytan av det nämnda mönsterkortet och parasitelementet är ett stelt ledarstycke (320).
8. Antenn i enlighet med patentkrav 1, kännetecknad av att det induktiva ele- mentet är en lindad ledartrad (125; 325).
9. Antenn i enlighet med patentkrav 6, kännetecknad av att det induktiva ele-mentet är en ledarremsa (225), som bildar ett spiralmönster pä ytan av det nämnda mönsterkortet.
10. Radioapparat (400), som inkluderar en inre antenn (440), som innefattar ett monopol-typ baselement med sin matarledning och ett parasitelement, som fungerar som hjälpsträlare, kännetecknad av att antennen ytterligare innefattar ett enskilt in-duktivt element kopplat mellan parasitelementet och radioapparatens signalgrund, ; för optimering av antennens anpassning. ' ‘ ] 20
11. Radioapparat (400) i enlighet med patentkrav 10, vilken radioapparat inklude rar en första och en andra del sä, att dessa delar kan vridas ovanpä varandra pä ett •\ i gängjäm, kännetecknad av den nämnda antennen (440) ligger inom den första de- ν’ · Ien (402). * ‘ > » * I » * s I | » I > » »
FI20022198A 2002-12-16 2002-12-16 Antenn för en platt radioapparat FI116332B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20022198A FI116332B (sv) 2002-12-16 2002-12-16 Antenn för en platt radioapparat
US10/722,650 US7136019B2 (en) 2002-12-16 2003-11-25 Antenna for flat radio device
EP03396111A EP1432072A1 (en) 2002-12-16 2003-12-05 Antenna for flat radio device
CNA2003101233814A CN1519978A (zh) 2002-12-16 2003-12-16 一种平面无线电装置的天线

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20022198A FI116332B (sv) 2002-12-16 2002-12-16 Antenn för en platt radioapparat
FI20022198 2002-12-16

Publications (3)

Publication Number Publication Date
FI20022198A0 FI20022198A0 (sv) 2002-12-16
FI20022198A FI20022198A (sv) 2004-06-17
FI116332B true FI116332B (sv) 2005-10-31

Family

ID=8565080

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20022198A FI116332B (sv) 2002-12-16 2002-12-16 Antenn för en platt radioapparat

Country Status (4)

Country Link
US (1) US7136019B2 (sv)
EP (1) EP1432072A1 (sv)
CN (1) CN1519978A (sv)
FI (1) FI116332B (sv)

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Also Published As

Publication number Publication date
CN1519978A (zh) 2004-08-11
EP1432072A1 (en) 2004-06-23
FI20022198A0 (sv) 2002-12-16
FI20022198A (sv) 2004-06-17
US20040113845A1 (en) 2004-06-17
US7136019B2 (en) 2006-11-14

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