EP0927437B1 - Mobilfunk-planarantenne - Google Patents
Mobilfunk-planarantenne Download PDFInfo
- Publication number
- EP0927437B1 EP0927437B1 EP97942943A EP97942943A EP0927437B1 EP 0927437 B1 EP0927437 B1 EP 0927437B1 EP 97942943 A EP97942943 A EP 97942943A EP 97942943 A EP97942943 A EP 97942943A EP 0927437 B1 EP0927437 B1 EP 0927437B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- conductive
- layers
- planar aerial
- planar
- 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 - Lifetime
Links
Images
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
- H01Q1/1271—Supports; Mounting means for mounting on windscreens
-
- 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
- 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
- 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
-
- 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
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
Definitions
- the invention relates to a planar antenna, in particular for Mobile radio, the planar antenna being two in one predefined Has spaced conductive layers.
- the field of application of the invention relates primarily on the mobile radio area and here in particular on the E and D networks.
- Known antenna solutions for the area of Mobile radio applications are based on linear antenna designs in Form of monopoly orders in shortened or unabridged Execution. These linear antennas are both external mountable on-board antennas as well as directly with the Terminal-coupled components known and with different directional factor and efficiency, where these components in the azimuth plane only are omnidirectional.
- Known flat antenna solutions are based on areal, dipole-like configurations, their Directional diagram irregular and in connection with the respective Underlying the characteristics of a significant Have radiation field deformation.
- the on the Radiation properties related to application are those inferior to the classic linear antennas. Likewise are targeted blanking properties of the Radiation diagram undetectable.
- there are none Known solutions whose electromagnetic or Radiation properties based on asymmetrical and open waveguide techniques, especially the Microstrip technology, using self-supporting conductive Foil conductors or foil-like guide surfaces can be achieved.
- a planar antenna is known from EP 0 176 311 A2, which has a ground plane that is medium to a dielectric The substrate layer is kept at a distance from the radiator element is.
- the radiator element is made by means of a coaxial Waveguide fed and is by means of short-circuit connections electrically conductive on one side with the ground plane connected.
- the radiator element is a geometrical partial surface the ground plane.
- One is also known from EP 0 176 311 areal short circuit connection between ground level and Radiator element known.
- the object of the present invention is an areal Radiator component with the property of the producibility of a linearly polarized and spatially broad sector radiation as well in the azimuthal as well as in the elevation plane as well as one pronounced attenuation and thus one Useful radiation only within a spatial hemisphere preferably in the spectral ranges between 890 MHz and 960 MHz or 1710 MHz and 1890 MHz.
- the vibration conditions of the planar emitter can be advantageous using a simulation software for examination perform field problems of high frequency radiation. It should be noted that one for each spectral range Abundance of different vibration conditions depending on Emitter characteristics must be taken into account. There one full calculation taking this into account Boundary conditions is not possible is the specialist inevitably relies on simulation attempts, provided that he Planar emitter according to the invention for its conditions want to shape.
- the vibration conditions of the planar radiator can also advantageously be influenced with diaphragms produced in the second layer by cutouts in the conductive layer.
- the diaphragms form implemented capacities with distributed parameters, which in this form electrically extend the waveguide geometry or offer the possibility of geometric miniaturization.
- the arrangement of the diaphragms is chosen symmetrically, since the condition of symmetry is the prerequisite for maintaining the preferred polarization of the electric field vector.
- the diaphragm position there is the possibility of changing the direction of vibration of the field vectors primarily influenced by the diaphragms and thus of the resulting field profiles resulting from superposition.
- the aperture position and contour primarily determine the increase or decrease of the capacitive or inductive components within the blind component balance. Since the apertures introduced fundamentally influence the complex waveguide properties, in addition to changing the spectral oscillation condition, this also gives the possibility of influencing the spectral bandwidth of the excited oscillation type.
- the area of each aperture can be either circular, elliptical, rectangular, square, triangular, hexagonal or irregular.
- the optimal shape of the diaphragms and their arrangement can usually only be determined empirically by simulation attempts.
- the electromagnetic resonance-vibrating arrangement is excited or fed by means of a coaxial waveguide, the inner conductor of the waveguide being conductively connected to the second layer and the outer conductor of the waveguide being conductively connected to the first layer, and the inner conductor being axially symmetrical to the aperture boundary through a diaphragm within the first layer and is arranged without a galvanic connection to it.
- this can be used as a carrier for the two serve conductive layers, in which case the Conductive connection outside of the dielectric takes place for what the dielectric on its outer edge linear or surface can be coated.
- the planar emitter according to the invention forms an optimal one Antenna component or replacement component of the Vehicle external antenna with the possibility of mounting within the Passenger compartment.
- the area of application relates further to general indoor applications by the Emitter component a spatially separated component of forms the respective end device and on the relevant room glazing is mounted inside and flat. It is too possible that the room glazing itself as dielectric Carrier of the conductive two layers is used.
- the inventive radiator component or planar antenna is advantageously applicable in cases where the rear space located to the antenna aperture radiation-free or kept low in radiation and thus the electromagnetic Radiation exposure of the user should be minimized.
- Radiator component a basic module for short or Medium-range transmission systems for communication, sensor or safety-related applications.
- Figure 1 shows a low loss low dielectric Structural support 1 preferably made of Polypenco Q 200.5, polycarbonate or polystyrene, with a diameter of 93 mm and one Base height of 5 mm, which is closed on one side conductive layer 2, preferably consisting of copper or Aluminum with a layer thickness between 5 ⁇ m and 800 ⁇ m.
- the Conductive layer is preferably by means of additive or subtractive techniques.
- This layer 2 is a segment of a circle which is reduced by a chord section compared to the first layer 2, the chord 4 being perpendicular to the axis of symmetry 15 of the layers 2, 3 is arranged.
- the two conductive layers 2 and 3 are conductively connected to one another over the length L1, the counting of the halved length L 1/2 in each case being perpendicular to the rectilinear boundary edge 4 or the axis of symmetry 15 begins.
- the planar emitter is fed by means of a coaxial waveguide, the outer conductor of the waveguide, not shown, being connected to the conductive layer 2 in the area of the aperture 7 and the inner conductor of the waveguide, not shown, being led through the aperture 7 to the connection point 6 of the second layer 3 .
- the wave impedance of the waveguide is preferably 50 ohms.
- the electromagnetic diaphragm 7 is formed by a circular opening within the conductive layer 2 with the diameter of 3.2 times the inner conductor diameter of the coaxial waveguide.
- the length of the solder 80 changes continuously in the range L1, as a result of which a defined spectral range can be received or transmitted.
- Figures 3 and 4 show an embodiment of a Planar antenna for the frequency range between 1710 MHz and 1890 MHz.
- the galvanic coupling of the inner conductor of the coupling coaxial Waveguide is made with the conductive plate 30 at the point 60.
- the inner conductor by means of a dielectric Socket, preferably PTFE socket, centered between the conductive plates 20 and 30 through the aperture 70 within the conductive plate 20 out.
- the PTFE socket is called Cylinder jacket with a length of 4.8 +/- 0.1 mm, whose Outside diameter with 1.4 - 0.1 mm and its inside diameter over a length of 3.8 - 0.1 mm with 1.4 mm as well as over a Measured length of 1 mm with an inner diameter of 2.2 mm become.
- the outer conductor of the signal coupler coaxial The waveguide is with the surface parallel to the plate 30 arranged conductive plate 20 in the immediate vicinity the aperture 70 coupled.
- FIGS. 5 and 6 Another embodiment of the invention for a Planar antenna for the frequency range between 890 MHz and 960 MHz show FIGS. 5 and 6.
- the galvanic coupling of the inner conductor of the Coupling coaxial waveguide is done with the conductive Plate 30 'at point 60'.
- the inner conductor is by means of a dielectric socket, preferably a PTFE socket, centrically between the conductive plates 20 ⁇ and 30 ⁇ as well as through the aperture 70 ⁇ within the conductive plate 20 ⁇ guided.
- the PTFE bushing is used as the cylinder jacket Length of 4.8 +/- 0.1 mm executed, the outer diameter with 1.4-0.1 mm and its inside diameter over a length of 3.8-0.1 mm with 1.4 mm and over a length of 1 mm with a Inner diameter of 2.2 mm.
- the outer conductor of the signal-coupling coaxial waveguide is with the Conductive plate arranged parallel to the surface of the plate 38 ' 20 ⁇ coupled in the immediate vicinity of the aperture 70 ⁇ .
- FIGS. 7 to 9 Another exemplary embodiment is shown in FIGS. 7 to 9.
- a low-loss and low dielectric structure carrier 11 preferably Polypenco Q 200.5, polycarbonate or polystyrene, with a diameter of 93 mm and a base height of 5 mm on one side closed conductive layer 12, preferably consisting of Copper or aluminum with a layer thickness between 5 mm and 800 um, by means of additive or subtractive techniques, preferably subtractive techniques.
- a surface segment 13 with a conductive Layer preferably consisting of copper or aluminum Layer thickness between 5 .mu.m and 800 .mu.m, occupied, the generated conductive layer 13 on the straight extending boundary edge 14 of the conductive layer opposite outer edge 18 of the conductive Surface segment 13 according to Figure 9 conductive with the closed conductive surface 12 is connected.
- the Power is supplied by contacting a coaxial Wave conduction by the point 16 according to FIG.
- Inner conductor of the coaxial waveguide with the wave impedance of preferably 50 ohms with the surface segment 13 conductive is connected and the outer conductor of the coaxial waveguide with the opposite, closed and conductive full circular layer 12 is connected, the Inner conductor of the coaxial waveguide through a electromagnetic aperture 17 in the form of a circular Opening within the conductive layer 12 with the Diameter of 3.2 times the inner conductor diameter of the coaxial waveguide is guided.
- Figure 10 shows a support cylinder 9 from a conductive material.
- Figure 11 is an electrically conductive Connecting element 5 for connecting the points 50, 50 ⁇ according to the Figures 3 to 6 shown.
- Figures 12 to 15 show different possible embodiments or edge forms of the invention Planar antenna, whereby the special choice of the angle ⁇ or ⁇ in Figures 14 and 15, the type of frequency response and the frequency range is adjustable. So the figure shows 12 that at an angle of ⁇ between 0 and 90 degrees a polygon, the borders 8 by means of punctiform Fasteners at points 50 conductive to each other in Connection can be.
- FIGS. 14 and 15 show that the number and shape of the electromagnetic apertures 10 is also freely selectable.
- FIGS. 16 and 17 each show a side view of the Planarantenna according to the invention, wherein the lateral edge of the dielectric carrier material L with strip-shaped Connecting elements 19 is occupied, so that at these points the two conductive layers 12 and 13 together in Are connected.
- FIG. 17 shows a side view of the according to Figures 1 and 2 explained planar antenna, the two conductive layers 12 and 13 over a length of L1 are connected via the conductive connecting element 19.
Landscapes
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Description
Die Anregung bzw. Speisung der elektromagnetisch resonanzschwingenden Anordnung erfolgt mittels einer koaxialen Wellenleitung, wobei der Innenleiter der Wellenleitung mit der zweiten Schicht und der Außenleiter der Wellenleitung mit der ersten Schicht leitend verbunden ist, und der Innenleiter durch eine Blende innerhalb der ersten Schicht axialsymmetrisch zur Blendenberandung und ohne galvanischer Verbindung zu dieser angeordnet ist.
- Figur 1:
- Eine Draufsicht auf eine erste Schicht;
- Figur 2:
- Eine Draufsicht auf die zweite Schicht des Planarstrahlers mit darunterliegender erster Schicht (Fig.1), wobei die erste und zweite Schicht auf einer Länge von L1 miteinander leitfähig verbunden sind;
- Figur 3:
- Draufsicht auf eine weitere Ausführungsform einer erfindungsgemäßen Planarantenne mit punktuellen leitenden Verbindungen;
- Figur 4:
- Draufsicht auf die zur ersten Schicht gemäß der Figur 3 gehörenden zweiten Schicht;
- Figur 5,6:
- Ein weiteres Ausführungsbeispiel einer erfindungsgemäßen Planarantenne mit kreisförmigen Blenden in der zweiten Schicht;
- Figuren 7 - 9:
- Einen Planarstrahler mit kreisförmigem Dielektrikum und auf diesen aufgetragenen leitfähigen Beschichtungen;
- Figur 10:
- Abstandshalter bzw. Stützzylinder;
- Figur 11:
- Punktförmiges Verbindungselement;
- Figuren 12 - 15:
- Draufsichten auf verschiedene Ausführungsformen von Planarstrahlern;
- Figur 16, Figur 17:
- Seitenansichten von Planarstrahlern mit an der Außenkante des Dielektrikums aufgetragenen elektrisch leitenden Verbindungselementen.
- 1
- Planarantenne
- 2,20,20'
- erste leitende Schichc
- 3,30,30'
- zweite leitende Schicht
- 4,40,40'
- Sehne bzw. Begrenzungskante
- 5,19
- Verbindungselement bzw. Kurzschlußelemente
- 6,60,60'
- Speisepunkt der zweiten leitenden Schicht
- 7,70,70'
- elektromagnetische Blende
(Durchmesser von 70 gleich 2,1 mm -0,1) - 8
- Der Sehne 4 abgewandte Berandung
- 9
- Stützzylinder (Durchmesser gleich 1,0 mm)
- 10
- Blenden in der zweiten leitenden Schicht
- 11
- dielektrischer Träger
- 12
- erste leitfähige Fläche (Fig.7-9)
- 13
- leitfähiges Flächensegment (Fig.7-9)
- 14
- Sehne bzw. Begrenzungskante
- 15
- Symmetrieachse
- 16
- Speisepunkt des Flächensegments 13
- 17
- elektromagnetische Blende
- 18
- der Sehne 4 gegenüberliegende Außenkante
- 80
- Lot auf der Sehne 4, 14, 40, 40'
- 50, 50'
- Verbindungspunke (Durchmesser = 1,5 mm)
- A
- Abstand gleich 11,0 mm
- B
- Abstand gleich 15,0 mm
- R
- Radius gleich 45,0 mm -0,2
- R`
- Radius gleich 42,0 mm
- R1
- Radius gleich 7,0 mm
Claims (16)
- Planarantenne (1), insbesondere für Mobilfunk, wobei die Planarantenne (1) zwei in einem vordefinierten Abstand zueinander angeordnete leitfähige Schichten hat, wobei die leitfähigen Schichten Platten (2,12,20,20`;3,13,30,30`) oder Folien sind, die zueinander flächenparallel sind, und die erste Schicht (2,12,20,20') eine zu einer Symmetrieachse (15) symmetrische Fläche hat und die zweite Schicht (3,13,30,30') eine Teilfläche der Fläche der ersten Schicht ist, wobei die zweite Schicht durch Reduzierung bzw. Abschneiden oder Weglassen eines Teils der ersten Fläche entlang einer rechtwinklig zur Symmetrieachse (15) verlaufenden geraden Linie (4,14,40,40') gebildet ist, und die Linie der zweiten Schicht eine geradlinige Kante bildet, und die beiden Schichten leitfähig miteinander verbunden sind, wobei die leitfähige Verbindung mittels punktuell angeordneter oder streifenförmiger Verbindungselemente (5,19) an der der Linie (4,14,40,40`) abgewandten oder unmittelbar an diese angrenzende Berandung (8,18) der Schichten erfolgt, dadurch gekennzeichnet, daß die erste Schicht (2,12,20,20') und die zweite Schicht (3,13,30,30') mit einer kreisförmigen Berandung ausgebildet sind und die kreisförmigen Berandungen der beiden Schichten deckungsgleich sind, wobei die zweite Schicht gegenüber der Fläche der ersten Schicht um einen Sehnenabschnitt reduziert ist, wobei die Sehne der Linie (4,14,40,40`) entspricht.
- Planarantenne (1) nach Anspruch 1, dadurch gekennzeichnet, daß parallel zur Linie (4,14,40,40') Blenden (10) angeordnet sind, wobei die Blenden (10) durch Aussparungen bzw. Fenster in der zweiten Schicht gebildet sind.
- Planarantenne (1), insbesondere für Mobilfunk, wobei die Planarantenne (1) zwei in einem vordefinierten Abstand zueinander angeordnete leitfähige Schichten hat, wobei die leitfähigen Schichten Platten (2,12,20,20`;3,13,30,30`) oder Folien sind, die zueinander flächenparallel sind, und die erste Schicht (2,12,20,20`) eine zu einer Symmetrieachse (15) symmetrische Fläche hat und die zweite Schicht (3,13,30,30`) eine Teilfläche der Fläche der ersten Schicht ist, wobei die zweite Schicht durch Reduzierung bzw. Abschneiden oder Weglassen eines Teils der ersten Fläche entlang einer rechtwinklig zur Symmetrieachse (15) verlaufenden geraden Linie (4,14,40,40') gebildet ist, und die Linie der zweiten Schicht eine geradlinige Kante bildet, und die beiden Schichten leitfähig miteinander verbunden sind, wobei die leitfähige Verbindung mittels punktuell angeordneter oder streifenförmiger Verbindungselemente (5,19) an der der Linie (4,14,40,40`) abgewandten oder unmittelbar an diese angrenzende Berandung (8,18) der Schichten erfolgt, dadurch gekennzeichnet, daß parallel zur Linie (4,14,40,40') Blenden (10) angeordnet sind, wobei die Blenden (10) durch Aussparungen bzw. Fenster in der zweiten Schicht gebildet sind.
- Planarantenne (1) nach Anspruch 3, dadurch gekennzeichnet, daß die erste Schicht kreisförmig, elliptisch, dreiecksförmig, quadratisch oder hexagonal ist.
- Planarantenne (1) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Fläche jeder Blende (10) entweder kreisförmig, elliptisch, rechteckig, quadratisch, dreieckig, hexagonal oder unregelmäßig ist.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Anregung bzw. Speisung der Planarantenne (1) mittels einer koaxialen Wellenleitung erfolgt, wobei der Innenleiter der Wellenleitung mit der zweiten Schicht und der Außenleiter der Wellenleitung mit der ersten Schicht leitend verbunden ist, wobei der Innenleiter durch eine Blende (7,17,70,70') innerhalb der ersten Schicht axialsymmetrisch zur Blendenberandung und ohne galvanische Verbindung zu dieser angeordnet ist.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die leitfähige Verbindung zwischen den beiden leitfähigen Schichten mittels geschlossener leitfähiger und flächenhaft, vorzugsweise streifenförmig ausgebildeter Materialien (19) erfolgt.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Schichten mittels nichtleitender Elemente (9) auf Abstand gehalten werden.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß zwischen den beiden Schichten ein Dielektrikum (11) ist.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Planarantenne (1) aus einem strukturiert und leitfähig beschichteten dielektrischem plattenförmigen Träger (11) besteht, dessen Beschichtungen die leitfähigen Schichten (12,13) bilden.
- Planarantenne (1) nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, daß die leitfähige Verbindung zwischen den beiden leitfähigen Schichten mittels einer geschlossenen leitfähigen Beschichtung entlang der Kontaktierungslänge über der gesamten Höhe des dielektrischen Trägers (11) erfolgt.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die abschnittsweise oder punktuell leitfähig miteinander verbundenen Berandungen (8,18) der beiden Schichten fluchtend übereinander liegen.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die teilweise leitfähig miteinander verbundenen Berandungen (8,18) der beiden Schichten zumindest abschnittsweise gerade und zur Symmetrieachse (15) spiegelsymmetrisch sind.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Berandung (8,18) des dielektrischen Trägers (11) im Bereich der leitfähigen Verbindung (5,19) der beiden leitfähigen Schichten und die Anordnung der Durchkontaktierungen geradlinig parallel zur Berandung verläuft, wobei die beiden Halblängen unter einem Winkel ϕ, ausgenommen die Winkelwerte von 0 Winkelgrad, sowie 90 bis 359 Winkelgrad, gemessen zwischen einer Halblänge und der Symmetrieachse (15) der Planarantenne (1), zueinander stehen.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Fläche der zweiten Schicht ein Segmentausschnitt bzw. eine Teilfläche der Fläche der ersten Schicht ist.
- Planarantenne (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß sich die Länge des Lots (20) auf der geraden Linie bzw. Sehne (4,40,40') der zweiten Schicht zwischen der geraden Linie bzw. Sehne (4,40,40') und der der geraden Linie bzw. Sehne (4,40,40') abgewandten Berandung (8,18) von der Symmetrieachse (15) ausgehend ändert, derart, daß die Planarantenne (1) mehr als eine Frequenz empfangen oder senden kann.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19638874 | 1996-09-23 | ||
DE1996138874 DE19638874A1 (de) | 1996-09-23 | 1996-09-23 | Mobilfunk-Planarantenne |
DE19706571 | 1997-02-19 | ||
DE1997106571 DE19706571A1 (de) | 1997-02-19 | 1997-02-19 | Mobilfunk-Planarantenne |
DE19706913 | 1997-02-20 | ||
DE1997106913 DE19706913A1 (de) | 1997-02-19 | 1997-02-20 | Mobilfunk-E-Planarantenne |
PCT/EP1997/005094 WO1998013896A1 (de) | 1996-09-23 | 1997-09-17 | Mobilfunk-planarantenne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0927437A1 EP0927437A1 (de) | 1999-07-07 |
EP0927437B1 true EP0927437B1 (de) | 2000-08-30 |
Family
ID=27216666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97942943A Expired - Lifetime EP0927437B1 (de) | 1996-09-23 | 1997-09-17 | Mobilfunk-planarantenne |
Country Status (7)
Country | Link |
---|---|
US (1) | US6342855B1 (de) |
EP (1) | EP0927437B1 (de) |
JP (1) | JP2001502480A (de) |
AT (1) | ATE196037T1 (de) |
AU (1) | AU4459497A (de) |
DE (2) | DE59702294D1 (de) |
WO (1) | WO1998013896A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002171111A (ja) * | 2000-12-04 | 2002-06-14 | Anten Corp | 携帯無線機及び携帯無線機用アンテナ |
KR100626667B1 (ko) * | 2002-08-28 | 2006-09-22 | 한국전자통신연구원 | 평면형 역 에프 안테나 |
WO2008105837A2 (en) * | 2006-09-21 | 2008-09-04 | Noninvasive Medical Technologies, Inc. | Method of processing thoracic reflected radio interrogation signals |
AU2007297614A1 (en) * | 2006-09-21 | 2008-03-27 | Noninvasive Medical Technologies, Inc. | Apparatus and method for non-invasive thoracic radio interrogation |
WO2008036404A2 (en) * | 2006-09-21 | 2008-03-27 | Noninvasive Medical Technologies, Inc. | Antenna for thoracic radio interrogation |
DE102006062633A1 (de) * | 2006-12-27 | 2008-07-03 | Sumitomo Electric Bordnetze Gmbh | Vorrichtung zum Empfang bzw. Senden elektromagnetischer Strahlung aus Segmenten von Folienflachleitern, Verfahren zur Erstellung einer Vorrichtung und Verwendung von Segmenten von Folienflachleitern zur Realisierung einer derartigen Vorrichtung |
JP2013114632A (ja) * | 2011-11-30 | 2013-06-10 | Nitta Ind Corp | 情報記憶媒体 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0176311A2 (de) * | 1984-09-17 | 1986-04-02 | Matsushita Electric Industrial Co., Ltd. | Mini-Antenne |
DE19504577A1 (de) * | 1995-02-11 | 1996-08-14 | Fuba Automotive Gmbh | Flachantenne |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160976A (en) * | 1977-12-12 | 1979-07-10 | Motorola, Inc. | Broadband microstrip disc antenna |
JPH01246904A (ja) | 1988-03-28 | 1989-10-02 | Kokusai Electric Co Ltd | 小形アンテナ |
US5041838A (en) | 1990-03-06 | 1991-08-20 | Liimatainen William J | Cellular telephone antenna |
KR920022585A (ko) * | 1991-05-14 | 1992-12-19 | 오오가 노리오 | 플레이너 안테나 |
FR2711845B1 (fr) * | 1993-10-28 | 1995-11-24 | France Telecom | Antenne plane et procédé de réalisation d'une telle antenne. |
-
1997
- 1997-09-17 EP EP97942943A patent/EP0927437B1/de not_active Expired - Lifetime
- 1997-09-17 AT AT97942943T patent/ATE196037T1/de not_active IP Right Cessation
- 1997-09-17 DE DE59702294T patent/DE59702294D1/de not_active Expired - Fee Related
- 1997-09-17 JP JP10515228A patent/JP2001502480A/ja active Pending
- 1997-09-17 WO PCT/EP1997/005094 patent/WO1998013896A1/de active IP Right Grant
- 1997-09-17 DE DE19781026T patent/DE19781026D2/de not_active Expired - Fee Related
- 1997-09-17 AU AU44594/97A patent/AU4459497A/en not_active Abandoned
- 1997-09-17 US US09/269,248 patent/US6342855B1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0176311A2 (de) * | 1984-09-17 | 1986-04-02 | Matsushita Electric Industrial Co., Ltd. | Mini-Antenne |
DE19504577A1 (de) * | 1995-02-11 | 1996-08-14 | Fuba Automotive Gmbh | Flachantenne |
Also Published As
Publication number | Publication date |
---|---|
US6342855B1 (en) | 2002-01-29 |
DE59702294D1 (de) | 2000-10-05 |
EP0927437A1 (de) | 1999-07-07 |
ATE196037T1 (de) | 2000-09-15 |
JP2001502480A (ja) | 2001-02-20 |
DE19781026D2 (de) | 2000-05-11 |
WO1998013896A1 (de) | 1998-04-02 |
AU4459497A (en) | 1998-04-17 |
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