EP2238313A1 - Tube d'ancrage et son procede de production - Google Patents
Tube d'ancrage et son procede de productionInfo
- Publication number
- EP2238313A1 EP2238313A1 EP09703346A EP09703346A EP2238313A1 EP 2238313 A1 EP2238313 A1 EP 2238313A1 EP 09703346 A EP09703346 A EP 09703346A EP 09703346 A EP09703346 A EP 09703346A EP 2238313 A1 EP2238313 A1 EP 2238313A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- static mixer
- tube
- anchor
- bore
- section
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 80
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000009467 reduction Effects 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 9
- 239000007858 starting material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/025—Grouting with organic components, e.g. resin
Definitions
- the present invention initially relates to a method for the production of anchor tubes for injection anchors, starting from a preferably hot-rolled, existing as a starting material tube first introduced a static mixer in the tube bore and then in the outer surface of the tube profiling, preferably a length sections or continuously extending thread, is rolled under at least local cross-sectional extension of the pipe bore, and wherein the static mixer is fixed positionally in the longitudinal direction due to the cross-sectional reduction.
- Such anchor tubes are used as a component of injection drill anchors, for example. Drilled for solidification in the wall of a mountain, in the wall of a cavity in the open pit, in a subsoil or the like and pressed in the hole formed by means of a hardening grout and thereby secured.
- the Injetationsbohranker usually has at its front end a drill bit and the anchor interior a longitudinally continuous and central injection channel through which the Verpressmasse can be supplied and having at its front end to the anchor outer side opening outlets.
- Such an injection anchor may have one or, if necessary, a plurality of anchor tubes connected by means of couplings, which carry an anchor thread on their outer jacket, lengthwise or continuously.
- the injection head has a flushing head, through which, for example, when drilling a rinsing agent (eg., Air or water) and for pressing a or more feed components are introduced under pressure into the injection channel.
- a rinsing agent eg., Air or water
- the preferred compositions include two-component resins whose two components cure after contact with each other after a short time. Such supply components are therefore supplied separately to the injection head, so that they only meet one another after entry into the injection channel or shortly before in a lost part mounted at the end thereof.
- the pipe serving as a starting material sometimes even has a non-circular, for example polygonal or even polygonal, bore and / or outer cross section.
- the desired static mixer must have a diameter so that it can be pushed in axially before the rolling of the profiling in the tube bore. Due to the dimensional and form tolerances mentioned, however, the desired low and uniform tolerancing in the bore cross section is not always achieved, so that the static mixers do not roll into their bores in the known manner in the case of all injection anchors and there is a risk of damaging the static mixers.
- the invention has the object, advantageously further develop a method of the type mentioned, so that in particular the aforementioned disadvantages are avoided as much as possible.
- the object is achieved according to the invention first and essentially in conjunction with the features that in the tube bore before rolling of the outer profiling an envelope element is introduced, which surrounds the static mixer in the tube bore at least in a longitudinal section and the one compared to the static mixer having lower hardness.
- the axial fixation of the static mixer results from the fact that the sheath element is clamped by the cross-sectional reduction resulting in the rolling of the profiling in the tube bore and fixed to the bore wall in the longitudinal direction while in turn also undergoes a certain cross-sectional reduction with respect to the Hüllelement- inner cross section, through which the static mixer clamped and fixed in the longitudinal direction of the Hüllelement- inner wall.
- the sheath element has a lower hardness and / or a lower strength than the static mixer.
- the tubes used for the production of anchor tubes are usually made of steel or a comparable material with therefore comparatively high hardness and strength.
- the material of the enveloping element also has a lower hardness and / or a lower strength in comparison to the outer anchor tube. It is preferred that the material of the Hüllettis compared to the materials of static mixer and anchor tube the lowest hardness and / or the lowest strength having.
- the anchor tube can have the highest hardness and / or strength of all components.
- the sheath element has at least on its surface a lower compared to the static mixer and thus also to the armature tube hardness, this compensates for the tolerances described above, without causing damage to the static mixer.
- Tolerances of the tube, which the static mixer can not compensate can be compensated by the envelope element due to its easier compared to the static mixer deformability.
- the invention thus makes it possible that static mixers can also be rolled into starting material or in anchor tubes with comparatively larger tolerances, so that on the one hand the quality of the finished anchor tubes improved and on the other hand costs can be saved.
- a length section of a pipe or a hose can be used as the envelope element, wherein this section preferably has the same length as the static mixer, but could also deviate therefrom.
- the enveloping element is a separate part from the static mixer. It is also preferred that this tube piece or the piece of tubing has such good deformability, so that it is still slightly deformable by hand with respect to its cross-section within certain limits. In this way, the insertion is facilitated even in a non-circular tube bore even with little play and the compensation of larger tolerances.
- the sheath element can preferably have a comparatively low modulus of elasticity. Well suited in this respect is also an elastically deformable plastic or rubber hose.
- the static mixer is first introduced into the enveloping element and then both parts are introduced together into the bore of the primary material or into the tubular bore.
- the outer cross section of the enveloping element in particular whose outer diameter is about the same size or slightly smaller than the pipe bore cross-section, in particular as the pipe bore diameter, before the rolling of the profiling.
- a static mixer is used whose cross section, in particular its outer diameter, is approximately the same size or slightly smaller than the hollow cross section, in particular the inner diameter, of the enveloping element.
- the possibility that this is inserted with the static mixer inserted therein in a tube bore, for example.
- non-circular eg. Polygonal or polygonal
- the anchor tubes also serve as a starting material tubes, the whole, including on the outer lateral surface non-round (eg. Polygonal or polygonal) are bounded.
- a static mixer may be used which has in its longitudinal direction adjacent, circumferentially twisted to each other Spiralwindungsabexcellente whose preferably rib-like outer edge is located on an imaginary cylindrical envelope surface.
- the static mixer has angular or even sharp edges on its outer edges, these can cut slightly into the softer enveloping element during rolling over or profile rolling in, whereby an additional compensation of tolerances and improved axial fixation is made possible.
- An expedient development of the method provides that the static mixer and the enveloping element are introduced into the tube bore leaving a free end portion of the tube bore.
- a subsequent method step may be that the end section of the tube bore, preferably after the rolling of the profiling, is widened in its diameter, preferably drilled thereto, and then finished on the surface. This processing can be carried out in particular in a separate end processing station, wherein the chips formed during the processing of the end section from the other side, so by the already fixed th static mixer, can be blown out.
- the invention further relates to an anchor tube for injection anchor, in the outer lateral surface of a profiling, preferably a length section or continuously extending thread, is rolled and in the tube bore a static mixer in the longitudinal direction positionally resulting from the rolling of the profiling, at least local cross-sectional reduction of Pipe hole is fixed.
- the invention has the object, advantageously further develop such an anchor tube, so that in particular the disadvantages described are avoided as much as possible.
- the stated object is achieved according to the invention first and essentially in conjunction with the features that the static mixer is surrounded at least in a longitudinal section within the tube bore of a Hüllelement having a lower compared to the static mixer hardness, and that the Hüllelement and the static mixer in the longitudinal direction positionally determined by the rolling of the profiling, at least local cross-sectional reduction are defined. It is preferably provided that the material of the Hüllettis has a lower hardness and / or lower strength than the material of the static mixer, but in so far also sufficient if a corresponding gradation. Regarding.
- a tube piece or a piece of tubing is provided as the envelope element.
- a static mixer made of plastic and a sheath element made of plastic or rubber are combined.
- an elastic plastic tube whose cross-section is deformable by hand. It is also considered appropriate if the enveloping element and the static mixer have the same lengths.
- the static mixer it is preferred that this has longitudinally adjacent, circumferentially twisted spiral winding sections whose preferably rib-like outer edge lies against an imaginary cylindrical envelope surface.
- the static mixer and the enveloping element can be arranged in the tube bore leaving one end portion.
- an injection nozzle which has an inner cavity, separate inlet openings for the anchor rod to be supplied to different supply components and arranged at the front longitudinal section outlet opening, be pressed axially frictionally.
- Said injection nozzle can preferably made of plastic, more preferably be made of polyamide, in particular in one piece as a plastic injection molded part.
- FIG. 1 shows a longitudinal section of a tube which is suitable for producing an anchor tube according to the invention according to a preferred embodiment, shown shortened by breaks;
- Fig. Ia is a sectional view taken along section line Ia - Ia in Fig. 1;
- FIG. 2 shows in a longitudinal section an example of an envelope element which is suitable for producing an inventive anchor tube according to a first preferred embodiment, shown shortened by a departure;
- Fig. 2a is a sectional view taken along section line IIa - IIa in Fig. 2;
- FIG. 3 in a longitudinal view, shown shortened by a departure, exemplified a static mixer, which is suitable for producing an anchor tube according to the invention according to a preferred embodiment;
- FIG. 3a shows a sectional view along section line IHa - IHa in Fig. 3;
- FIG. 4 shows a longitudinal view shortened by risers of an inventive anchor tube according to a preferred embodiment after the rolling of the enveloping element and the static mixer; 5 shows a longitudinal section of the anchor tube shown in Figure 4, schematically simplified ..;
- FIG. 7 the anchor tube shown in Fig. 6 with an injection nozzle inserted therein, according to a preferred embodiment.
- FIGS. 1 and Ia show, by way of example, a hot-rolled tube 2 which serves as a semifinished product or starting material and which, for example, has a total length (shortened) of 2.5 m (or deviating therefrom) and, for example, a diameter in the size range of 30 nm. 40mm (or deviating from it) may have.
- a hot-rolled tube 2 which serves as a semifinished product or starting material and which, for example, has a total length (shortened) of 2.5 m (or deviating therefrom) and, for example, a diameter in the size range of 30 nm. 40mm (or deviating from it) may have.
- it is a steel tube with a tube bore 3 running through it in the middle along the longitudinal direction L.
- 1a shows schematically that the tube bore 3 deviates from a tolerably round, but by an exact circular shape by schematically indicated tolerances Cross-section, the diameter of the extent so far is only approximately di.
- the outer circumferential surface 4 of the tube 2 is approximately cylindrical, d. H. is subject to certain tolerances (not shown).
- FIGS. 2, 2a show an enveloping element 5, which in the example chosen is a longitudinal section of a plastic tube.
- this plastic may be polyethylene (PE) or polyamide (PA), for example with a yield stress of 15-45 N / mm 2 .
- Its outer diameter D 2 is about the same size or slightly smaller than that Diameter D 1 .
- the diameter Di of the non-circular tube bore is approximately 12-13 mm (also depending on the measured direction) and the diameter D 2 is 12.5 mm, with a wall thickness of the envelope element 5 of 1.25 mm.
- FIG. 3 shows a so-called static mixer 6 according to a preferred embodiment.
- This is made of plastic, in the specific example of polyacetal (POM), whose yield stress is in the range of about 65-75 N / mm 2 .
- POM polyacetal
- the overall one-piece, shortened by the departure shown static mixer 6 has in the example a total length of 600mm and has 48 so-called baffles which lie one behind the other in the longitudinal direction L.
- Each baffle 7 is formed from two in the same length section at 180 ° to each other angularly twisted Spiralwindungsabexcellenten 8, which in turn extend over each half a revolution.
- Baffles 7 adjacent to one another in the longitudinal direction L each have opposite helical pitches and are angularly offset from one another by a quarter turn about the longitudinal axis, so that the structure can be traversed in the longitudinal direction L.
- the rib-like outer edge 9 of the Spiralwindungsabitese 8 has angular edges, the outer edges 9 are located on an imaginary cylindrical, indicated by dashed lines in Figures 3 and 3a envelope surface 10.
- the static mixer 6 has an outer diameter D 4 , which, like the inner diameter D3 of the enveloping element 5, is approximately 10 mm. It is understood, however, that deviations from all of the aforementioned dimensions, in particular diameters and their ratios, are also possible within the scope of the invention.
- the plastic selected for the enveloping element 5 has a lower hardness and easier deformability than the plastic chosen for the static mixer 6.
- the static mixer 6 is first inserted into the envelope element 5, which in the example has the same length, and then both parts 5, 6 inserted into one another through an end face Opening 11 is inserted in the longitudinal direction L in the tube bore 3 and inserted therein from the end face of the tube 2 by a distance A, leaving an end portion 12.
- Figure 4 shows the webs 15 and grooves 16 of the anchor thread 13, which is shown in the drawings 5 to 7 only schematically simplified.
- the rolling or rolling of the anchor thread 14 is under a compressive stress, which leads to a certain compression and thereby reducing the transverse to the longitudinal direction L oriented pipe cross-section.
- 5 shows schematically simplified in a sectional view that the inner surface 17 of the tube bore 3 is now flat against the outside of the enveloping element 5 due to the reduction in cross-section caused by rolling. wherein the (in Figure 5 not graphically shown) with dimensional and dimensional tolerances of the bore 3 are compensated by the comparatively softer enveloping element 5 by corresponding local deformations.
- the diameters Di to D 4 are matched to one another and to the rolling conditions and the enveloping element 5 such that the narrowing of the tube bore 3 also leads to a certain compression of the enveloping element 5 and to a reduction of its hollow cross section, ie to a reduction of its inside diameter D3.
- the inner surface 18 of the Hüllimplantations 5 is pressed radially inwardly against the rib-like outer edge 9 of the Spiralwindungsabismee 8 of the static mixer 6.
- the comparatively lower hardness of the Hüllelements 5 also in the walls of certain deformations, by which tolerances are compensated.
- FIG. 6 shows the anchor tube 1 according to another possible method step according to a preferred development of the method according to the invention.
- the end portion 12 of the tube bore 3 has been slightly enlarged over the original diameter Di, drilled in the selected example and then finished.
- a processing of the end face 19 has been made to make them flat as shown.
- FIG. 7 shows, as a preferred further possibility, that in the widened end section 12, a front longitudinal section 20 of an injection nozzle 21 has been pressed in with axial force fit.
- the injection nozzle 21 has an inner cavity 22 with prepared separate inlet openings 23, 24 for various, the anchor rod 1 to be supplied in the injection operation supply components and an existing on the front longitudinal section 20 outlet opening 25, which opens into the serving as an injection channel tube bore 3.
- the diameter of the end portion 12 was adapted to the outer diameter of the longitudinal section 20 of the injection nozzle 21, or to the outer diameter of the there provided, not shown in Figure 7, axially spaced annular webs that pull out the injection nozzle 21 from the anchor tube 1 a large pulling force would be required.
- the rearward length portion 26 is provided to enter at an injection head for supplying the supply components (for example, the two components of a two-component resin) on a rotationally driven inner part in a geometrically adapted recess so that the prepared inlet openings 23, 24 with Outlet ports of separate supply lines for the supply components are aligned.
- a torque transmitting connection of the anchor rod 1 is possible by screwing its armature thread 13 into a suitable threaded hole in the rotationally driven inner part of the flushing head.
- Another special feature of the injection nozzle 21 is that its inlet openings 23, 24 are closed before use for the first time by predetermined breaking points in the form of wall thickness reductions. These rupture only when pressure is applied by a flushing agent or by the components of the molding compound used, with the adjoining wall sections wedge-shaped in cross section acting as elastically resiliently springing valve flaps.
- a separate further static mixer 28 is used in the front. This requires no further fixation, so in particular no clamping connection with the injection 21. Instead, its axial movement is limited rearwardly by the annular shoulder 27 and forward by the separate static mixer 6 which is set in position relative to the anchor tube 1 as previously described.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (AREA)
- Forging (AREA)
- Dowels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008006235A DE102008006235A1 (de) | 2008-01-25 | 2008-01-25 | Ankerrohr und Verfahren zu dessen Herstellung |
PCT/EP2009/050156 WO2009092630A1 (fr) | 2008-01-25 | 2009-01-08 | Tube d'ancrage et son procédé de production |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2238313A1 true EP2238313A1 (fr) | 2010-10-13 |
EP2238313B1 EP2238313B1 (fr) | 2011-11-16 |
Family
ID=40637891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09703346A Not-in-force EP2238313B1 (fr) | 2008-01-25 | 2009-01-08 | Tube d'ancrage et son procede de production |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2238313B1 (fr) |
CN (1) | CN101925721B (fr) |
AT (1) | ATE533919T1 (fr) |
AU (1) | AU2009207825C1 (fr) |
CA (1) | CA2713190C (fr) |
DE (1) | DE102008006235A1 (fr) |
WO (1) | WO2009092630A1 (fr) |
ZA (1) | ZA201004186B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12021671B2 (en) | 2021-08-17 | 2024-06-25 | Samsung Electronics Co., Ltd. | Communication device for performing differential phase shift keying based on a plurality of previous signals and operating method thereof |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094662B (zh) * | 2011-03-15 | 2013-04-03 | 北京科技大学 | 一种摩擦套筒式大变形锚杆 |
CN103867219B (zh) * | 2014-03-25 | 2015-08-05 | 中国石油大学(华东) | 一种用于涡压挤扩细石混凝土锚固支护土体的设备及方法 |
CN108797368A (zh) * | 2018-08-27 | 2018-11-13 | 中国冶集团有限公司 | 钢箱拱桥锚管的快速找正方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2241761B (en) * | 1990-03-08 | 1993-11-24 | Apex Fuels Ltd | Reinforcement of ground strata and foundation fixing |
CN2065667U (zh) * | 1990-05-16 | 1990-11-14 | 山东矿业学院 | 内注浆锚杆及注浆时配套用的逆止阀 |
CN2220530Y (zh) * | 1994-10-07 | 1996-02-21 | 安徽省疏浚工程总公司 | 锚杆注浆机 |
CN2406064Y (zh) * | 1999-09-27 | 2000-11-15 | 李云义 | 锚注式锚杆 |
DE10321175B3 (de) * | 2003-05-12 | 2004-08-26 | Carbotech Fosroc Gmbh | Injektionsanker |
CN100513745C (zh) * | 2005-11-11 | 2009-07-15 | 中国京冶工程技术有限公司 | 机械扩孔锚杆施工方法 |
DE102007005540B4 (de) | 2006-02-24 | 2015-04-23 | Friedr. Ischebeck Gmbh | Verfahren und Injektionsanker mit fixiertem Statikmischer |
CN200943205Y (zh) * | 2006-07-03 | 2007-09-05 | 于艳芳 | 土体锚杆施工用锚杆组合件 |
-
2008
- 2008-01-25 DE DE102008006235A patent/DE102008006235A1/de not_active Withdrawn
-
2009
- 2009-01-08 EP EP09703346A patent/EP2238313B1/fr not_active Not-in-force
- 2009-01-08 AT AT09703346T patent/ATE533919T1/de active
- 2009-01-08 CN CN200980103103.8A patent/CN101925721B/zh not_active Expired - Fee Related
- 2009-01-08 WO PCT/EP2009/050156 patent/WO2009092630A1/fr active Application Filing
- 2009-01-08 AU AU2009207825A patent/AU2009207825C1/en not_active Ceased
- 2009-01-08 CA CA2713190A patent/CA2713190C/fr not_active Expired - Fee Related
-
2010
- 2010-06-11 ZA ZA2010/04186A patent/ZA201004186B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2009092630A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12021671B2 (en) | 2021-08-17 | 2024-06-25 | Samsung Electronics Co., Ltd. | Communication device for performing differential phase shift keying based on a plurality of previous signals and operating method thereof |
Also Published As
Publication number | Publication date |
---|---|
CA2713190C (fr) | 2015-10-13 |
DE102008006235A1 (de) | 2009-07-30 |
AU2009207825A1 (en) | 2009-07-30 |
CA2713190A1 (fr) | 2009-07-30 |
ATE533919T1 (de) | 2011-12-15 |
CN101925721B (zh) | 2013-03-13 |
EP2238313B1 (fr) | 2011-11-16 |
CN101925721A (zh) | 2010-12-22 |
WO2009092630A1 (fr) | 2009-07-30 |
ZA201004186B (en) | 2011-08-31 |
AU2009207825B2 (en) | 2014-06-05 |
AU2009207825C1 (en) | 2014-06-26 |
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