EP1381110A1 - Cornet d'alimentation pour un convertisseur satellite - Google Patents
Cornet d'alimentation pour un convertisseur satellite Download PDFInfo
- Publication number
- EP1381110A1 EP1381110A1 EP03254369A EP03254369A EP1381110A1 EP 1381110 A1 EP1381110 A1 EP 1381110A1 EP 03254369 A EP03254369 A EP 03254369A EP 03254369 A EP03254369 A EP 03254369A EP 1381110 A1 EP1381110 A1 EP 1381110A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- plate
- sections
- feed horn
- square tubular
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
- H01Q13/02—Waveguide horns
- H01Q13/0283—Apparatus or processes specially provided for manufacturing horns
-
- 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
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
Definitions
- the present invention relates to a satellite converter feed horn for receiving satellite broadcasts.
- FIG. 7 is a schematic side view of a related satellite converter.
- Fig. 8 is a perspective view of the related satellite converter feed horn.
- Fig. 9 is a sectional view taken along line. IX-IX of Fig. 8.
- Fig. 10 is a sectional view taken along line X-X of Fig. 8.
- a frame 51 which is formed by bending a metallic plate, has a square shape with open top and bottom portions.
- a cover 52 formed of a metallic plate, is caught by and mounted to the frame 51 so as to close one of the open portions of the frame 51.
- a circuit board 53 or a printed circuit board, has a ground pattern 54 and a wiring pattern (not shown).
- the ground pattern 54 is substantially entirely formed on one of the surfaces of the circuit board 53.
- the wiring pattern is formed on the other surface of the circuit board 53, and comprises an electrical circuit for a desired reception including various electrical parts.
- circuit board 53 is mounted to the square frame 51 so as to close the other open portion of the frame 51.
- the ground pattern 54 is exposed from the frame 51 and shields the inside of the frame 51, so that the electrical circuit is electrically shielded by the frame 51, the cover 52, and the ground pattern 54.
- a coaxial connector 55 is mounted to the frame 51 in a protruding manner outward from the frame 51.
- the electrical circuit is connected to the connector 55 so that a signal that has been processed by the electrical circuit can be taken out from the connector 55.
- a square tubular feed horn 56 formed by bending a metallic plate, is soldered and mounted to the ground pattern 54 perpendicular to the circuit board 53. Satellite electric waves are received from the feed horn 56.
- the feed horn 56 comprises first to fourth plate sections 57 to 60.
- the first and second plate sections 57 and 58 are connected and are at right angles to each other.
- the third plate section 59 is connected and is at right angles to the first plate section 57.
- the fourth plate section 60 is connected and is at right angles to the second plate section 58.
- the feed horn 56 comprises a square tubular section 61 formed by the first to fourth plate sections 57 to 60 by connecting ends of the third and fourth plate sections 59 and 60 at right angles to each other.
- the end of the third plate section 59 has a plurality of outwardly protruding tongues 59a and the end of the fourth plate section 60 has protrusions 60a for catching the end of the third plate section 59.
- each tongue 59a (shown by alternate long and two short dash lines) is bent in the direction of arrow A and is superimposed upon the outer surface of the fourth plate section 60.
- the solder 62 is applied to the location, which is a narrow portion, where the protrusions 60a of the fourth plate section 60 and the third plate section 59 are connected together, it is difficult to apply the solder, thereby reducing work efficiency.
- the solder When the solder is applied to the narrow portion, the solder drips towards the fourth plate section 60, so that the amount of solder at the location where the fourth plate section 60 and the third plate section 59 are connected together is reduced, as a result of which, not only is the solder improperly applied, but also the soldered portion has a poor appearance.
- a satellite converter feed horn comprising a square tubular feed horn section that is formed of a bent metallic plate and that comprises a square tubular section including first to fourth plate sections and having the third and fourth plate sections connected together at right angles to each other.
- the first and second plate sections are connected at right angles to each other.
- the third plate section is connected at right angles to the first plate section.
- the fourth plate section is connected at right angles to the second plate section.
- the third plate section has a first strip-shaped connecting section extending outward from and in a direction of extension of the square tubular section.
- the fourth plate section has a second strip-shaped connecting section extending outward from and in the direction of extension of the square tubular section.
- the first and second connecting sections are connected together, with a step being disposed in a direction perpendicular to the direction of extension of the square tubular section.
- one of the first and second connecting sections extends from a portion of the corresponding plate section in the same plane, and the other of the first and second connecting sections is at right angles to a portion of the corresponding plate section.
- one of the third and fourth plate sections has a protrusion extending from a portion of the one of the third and fourth plate sections in the same plane, the other of the third and fourth plate sections has a hole for fitting the protrusion thereto, and the protrusion is fitted to the hole in order to connect the third and fourth plate sections together at right angles to each other.
- an end portion of the protrusion is caulked in the direction of extension of the square tubular section.
- either the third plate section or the fourth plate section has a tongue that protrudes from the outer periphery defining the hole, and the tongue is bent and superimposed upon the outer surface of either the third plate section or the fourth plate section having the protrusion.
- Fig. 1 is a schematic side view of a satellite converter of the present invention.
- Fig. 2 is a perspective view of a satellite converter feed horn of a first embodiment of the present invention.
- Fig. 3 is a sectional view taken along line III-III of Fig. 2.
- Fig. 4 is a sectional view taken along line IV-IV of Fig. 2.
- Fig. 5 is a sectional view of portions that are connected together of a satellite converter feed horn of a second embodiment of the present invention.
- Fig. 6 is a sectional view of a protrusion of a satellite converter feed horn of a third embodiment of the present invention.
- a frame 1 which is formed by bending a metallic plate, has a square shape with open top and bottom portions.
- a circuit board 3, or a printed circuit board, has a ground pattern 4 and a wiring pattern (not shown).
- the ground pattern 4 is substantially entirely formed on one of the surfaces of the circuit board 3.
- the wiring pattern is formed on the other surface of the circuit board 3, and comprises an electrical circuit for a desired reception including various electrical parts.
- circuit board 3 With the electrical parts (electrical circuit) being positioned in the frame 1, such a circuit board 3 is mounted to the square frame 1 so as to close the other open portion of the frame 1.
- the ground pattern 4 is exposed from the frame 1 and shields the inside of the frame 1, so that the electrical circuit is electrically shielded by the frame 1, the cover 2, and the ground pattern 4.
- a coaxial connector 5 is mounted to the frame 1 in a protruding manner outward from the frame 1.
- the electrical circuit is connected to the connector 5 so that a signal that has been processed by the electrical circuit can be taken out from the connector 5.
- the feed horn 6 comprises first to fourth plate sections 7 to 10.
- the first and second plate sections 7 and 8 are connected and are at right angles to each other.
- the third plate section 9 is connected and is at right angles to the first plate section 7.
- the fourth plate section 10 is connected and is at right angles to the second plate section 8.
- the feed horn 6 comprises a square tubular section 11 formed by the first to fourth plate sections 7 to 10 by connecting ends of the third and fourth plate sections 9 and 10 at right angles to each other.
- the third plate section 9 has a pair of holes 9a, a strip-shaped first connecting section 9b, and tongues 9c.
- the holes 9a are formed spaced apart near the end of the third plate section 9.
- the first connecting section 9b extends from a portion of the plate section 9 in the same plane.
- the tongues 9c protrude from the outer periphery of the holes 9a.
- the first connecting section 9b is formed so as to extend outward from and in a direction of extension of the square tubular section 11.
- the fourth plate section 10 has protrusions 10a, and a strip-shaped second connecting section 10b.
- the protrusions 10a protrude from portions of the plate section 10 in the same plane and are fitted to the holes 9a.
- the second connecting section 10b is at right angles to one end of the plate section 10.
- the second connecting section 10b is formed so as to extend outward from and in the direction of extension of the square tubular section 11, and has a larger width than the first connecting section 9b. (The width is defined as the length in a direction orthogonal to the direction of extension of the square tubular section 11.)
- the third and fourth plate sections 9 and 10 which are at right angles to the first and second plate sections 7 and 8, respectively, are connected together at right angles to each other, and the protrusions 10a are fitted to the respective holes 9a in order to caulk the ends of the protrusions 10a in the direction of extension of the square tubular section 11.
- the first and second connecting sections 9b and 10b are connected together with a step in a direction orthogonal to the direction of extension of the square tubular section 11.
- the second connecting section 10b protrudes by a greater amount than the first connecting section 9b, and the first connecting section 9b is positioned towards the square tubular section 11 from the outer end of the second connecting section 10b.
- each tongue 9c (shown by alternate long and two short dash lines) is bent in the direction of arrow A and is superimposed upon the outer surface of the fourth plate section 10.
- the second connecting section 10b having the larger width receives the solder 12, so that it is possible to easily and reliably solder the first and second connecting sections 9b and 10b, and to prevent dripping of the solder.
- the first connecting section 9b extends from a portion of the plate section 9 in the same plane, and the second connecting section 10b is at right angles to a portion of the plate section 10, the first connecting section 9b may be at right angles to a portion of the plate section 9, and the second connecting section 10b may extend from a portion of the plate section 10 in the same plane.
- the protrusions 10a of the fourth plate section 10 are fitted to the respective holes 9a of the third plate section 9, holes may be formed in the fourth plate section 10 and fitted to protrusions formed on the third plate section 9.
- Fig. 5 shows a satellite converter feed horn of a second embodiment of the present invention.
- the width of a strip-shaped first connecting section 9b of a third plate section 9 is larger than the width of a second connecting section 10b of a fourth plate section 10, and solder 12 is applied to a step formed by the first and second connecting sections 9b and 10b.
- Fig. 6 shows a satellite converter feed horn of a third embodiment of the present invention.
- tongues 9c of a third plate section 9 are kept extended in a straight line, so that they are not bent.
- a satellite converter feed horn of the present invention comprises a square tubular feed horn section that is formed of a bent metallic plate and that comprises a square tubular section including first to fourth plate sections and having the third and fourth plate sections connected together at right angles to each other.
- the first and second plate sections are connected at right angles to each other.
- the third plate section is connected at right angles to the first plate section.
- the fourth plate section is connected at right angles to the second plate section.
- the third plate section has a first strip-shaped connecting section extending outward from and in a direction of extension of the square tubular section.
- the fourth plate section has a second strip-shaped connecting section extending outward from and in the direction of extension of the square tubular section.
- the first and second connecting sections are connected together, with a step being disposed in a direction perpendicular to the direction of extension of the square tubular section.
- the connecting section having the larger width receives the solder, so that it is possible to easily and reliably solder the first and second connecting sections, and to prevent dripping of the solder.
- One of the first and second connecting sections extends from a portion of the corresponding plate section in the same plane, and the other of the first and second connecting sections is at right angles to a portion of the corresponding plate section. Therefore, the first and second connecting sections can be easily processed and reliably superimposed upon each other.
- One of the third and fourth plate sections has a protrusion extending from a portion of the one of the third and fourth plate sections in the same plane, the other of the third and fourth plate sections has a hole for fitting the protrusion thereto, and the protrusion is fitted to the hole in order to connect the third and fourth plate sections together at right angles to each other. Therefore, the third and fourth plate sections are reliably caught at the location where they are connected together, so that the square tubular section undergoes little deformation.
- Either the third plate section or the fourth plate section has a tongue that protrudes from the outer periphery defining the hole, and the tongue is bent and superimposed upon the outer surface of either the third plate section or the fourth plate section having the protrusion. Therefore, the square tubular section undergoes little deformation, and the third and fourth plate sections can be firmly joined together at the location where they are connected together.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Waveguide Aerials (AREA)
- Waveguides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002203664A JP2004048419A (ja) | 2002-07-12 | 2002-07-12 | 衛星放送受信用コンバータのフィードホーン |
JP2002203664 | 2002-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1381110A1 true EP1381110A1 (fr) | 2004-01-14 |
Family
ID=29728527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03254369A Withdrawn EP1381110A1 (fr) | 2002-07-12 | 2003-07-10 | Cornet d'alimentation pour un convertisseur satellite |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1381110A1 (fr) |
JP (1) | JP2004048419A (fr) |
CN (1) | CN1232055C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2511809A1 (fr) | 2011-04-15 | 2012-10-17 | Nief Plastic | Procédé de fabrication d'un capteur tactile capacitif |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996790A (en) * | 1956-08-23 | 1961-08-22 | Gen Electric Co Ltd | Methods of manufacturing hollow articles |
US3234489A (en) * | 1962-06-16 | 1966-02-08 | Felten & Guilleaume Carlswerk | Rectangular waveguide |
GB1241413A (en) * | 1967-07-18 | 1971-08-04 | Atomic Power Constr Ltd | Improvements in and relating to ducting |
US4058813A (en) * | 1976-03-18 | 1977-11-15 | Rca Corporation | Sheet metal waveguide horn antenna |
JPS63132488A (ja) * | 1986-11-21 | 1988-06-04 | Tokyo Keiso Kk | 熱電対パイルの製造方法 |
EP1168486A1 (fr) * | 2000-04-20 | 2002-01-02 | Alps Electric Co., Ltd. | Convertisseur de réception pour télédiffusion par satellite |
-
2002
- 2002-07-12 JP JP2002203664A patent/JP2004048419A/ja active Pending
-
2003
- 2003-07-10 EP EP03254369A patent/EP1381110A1/fr not_active Withdrawn
- 2003-07-11 CN CN 03145826 patent/CN1232055C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996790A (en) * | 1956-08-23 | 1961-08-22 | Gen Electric Co Ltd | Methods of manufacturing hollow articles |
US3234489A (en) * | 1962-06-16 | 1966-02-08 | Felten & Guilleaume Carlswerk | Rectangular waveguide |
GB1241413A (en) * | 1967-07-18 | 1971-08-04 | Atomic Power Constr Ltd | Improvements in and relating to ducting |
US4058813A (en) * | 1976-03-18 | 1977-11-15 | Rca Corporation | Sheet metal waveguide horn antenna |
JPS63132488A (ja) * | 1986-11-21 | 1988-06-04 | Tokyo Keiso Kk | 熱電対パイルの製造方法 |
EP1168486A1 (fr) * | 2000-04-20 | 2002-01-02 | Alps Electric Co., Ltd. | Convertisseur de réception pour télédiffusion par satellite |
Non-Patent Citations (2)
Title |
---|
L.A. FERRARI ET AL.: "LOW LOSS WAVEGUIDE FOR LOW TEMPERATURE APPLICATIONS", REVIEW OF SCIENTIFIC INSTRUMENTS., vol. 42, no. 1, January 1971 (1971-01-01), AMERICAN INSTITUTE OF PHYSICS. NEW YORK., US, pages 167, XP002257674, ISSN: 0034-6748 * |
PATENT ABSTRACTS OF JAPAN vol. 012, no. 393 (E - 670) 19 October 1988 (1988-10-19) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2511809A1 (fr) | 2011-04-15 | 2012-10-17 | Nief Plastic | Procédé de fabrication d'un capteur tactile capacitif |
Also Published As
Publication number | Publication date |
---|---|
JP2004048419A (ja) | 2004-02-12 |
CN1232055C (zh) | 2005-12-14 |
CN1472899A (zh) | 2004-02-04 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Effective date: 20070926 |
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18D | Application deemed to be withdrawn |
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