GB1375469A - - Google Patents
Info
- Publication number
- GB1375469A GB1375469A GB2599272A GB2599272A GB1375469A GB 1375469 A GB1375469 A GB 1375469A GB 2599272 A GB2599272 A GB 2599272A GB 2599272 A GB2599272 A GB 2599272A GB 1375469 A GB1375469 A GB 1375469A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductor
- june
- dimensions
- waveguides
- waveguide
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/14—Hollow waveguides flexible
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Waveguides (AREA)
Abstract
1375469 Waveguides CABLES DE LYONALSACIENNE-GEOFFROY-DELORE 2 June 1972 [4 June 1971] 25992/72 Heading H1W A waveguide comprises a hollow metal conductor 3 of uniform thickness and crosssection and having two perpendicular axes of symmetry along which the dimensions are unequal and the conductor is within a plastics sheath 4, the dimensions of which are such that the moments of inertia of the waveguide about the two axes are substantially equal. Other conductor cross-sections are rounded rectangles and ellipses, Figs. 2. 3, 4 (not shown). A process for making such waveguides includes the deformation of a circular conductive tube followed by the extrusion of the plastics sheath which can be of polythene.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7120355A FR2139768B1 (en) | 1971-06-04 | 1971-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1375469A true GB1375469A (en) | 1974-11-27 |
Family
ID=9078137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2599272A Expired GB1375469A (en) | 1971-06-04 | 1972-06-02 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE784252A (en) |
| DE (1) | DE2226559A1 (en) |
| DK (1) | DK129748B (en) |
| FR (1) | FR2139768B1 (en) |
| GB (1) | GB1375469A (en) |
| IT (1) | IT956137B (en) |
| NL (1) | NL7207502A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2330154A2 (en) * | 1973-07-04 | 1977-05-27 | Cables De Lyon Geoffroy Delore | MIXED, SEMI-RIGID WAVE GUIDE, AND MANUFACTURING PROCESS |
| FR2433838A1 (en) * | 1978-08-18 | 1980-03-14 | Cit Alcatel | Flexible waveguide for hyperfrequency range - is made of plastics and impregnated with silver metal or alloy flakes and having metallic interior coating |
| HU177317B (en) * | 1979-05-21 | 1981-09-28 | Finommech Vallalat | Curved wave guide for transfering microwave signals |
-
1971
- 1971-06-04 FR FR7120355A patent/FR2139768B1/fr not_active Expired
-
1972
- 1972-05-31 DE DE19722226559 patent/DE2226559A1/en active Pending
- 1972-06-01 BE BE784252A patent/BE784252A/en not_active IP Right Cessation
- 1972-06-02 NL NL7207502A patent/NL7207502A/xx not_active Application Discontinuation
- 1972-06-02 GB GB2599272A patent/GB1375469A/en not_active Expired
- 1972-06-02 DK DK277072A patent/DK129748B/en not_active IP Right Cessation
- 1972-06-05 IT IT2523972A patent/IT956137B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2139768A1 (en) | 1973-01-12 |
| FR2139768B1 (en) | 1976-12-03 |
| NL7207502A (en) | 1972-12-06 |
| DE2226559A1 (en) | 1972-12-14 |
| DK129748B (en) | 1974-11-11 |
| DK129748C (en) | 1975-04-01 |
| BE784252A (en) | 1972-12-01 |
| IT956137B (en) | 1973-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) |