FR2292987B1 - - Google Patents
Info
- Publication number
- FR2292987B1 FR2292987B1 FR7536316A FR7536316A FR2292987B1 FR 2292987 B1 FR2292987 B1 FR 2292987B1 FR 7536316 A FR7536316 A FR 7536316A FR 7536316 A FR7536316 A FR 7536316A FR 2292987 B1 FR2292987 B1 FR 2292987B1
- Authority
- FR
- France
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/18—Section insulators; Section switches
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742456619 DE2456619A1 (de) | 1974-11-29 | 1974-11-29 | Verzweigungsanordnung auf nachrichtenuebertragungsstrecken mit optischen glasfasern |
| DE2841350A DE2841350C2 (de) | 1974-11-29 | 1978-09-22 | Streckentrenner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2292987A1 FR2292987A1 (fr) | 1976-06-25 |
| FR2292987B1 true FR2292987B1 (enExample) | 1979-06-15 |
Family
ID=25768043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7536316A Granted FR2292987A1 (fr) | 1974-11-29 | 1975-11-27 | Dispositif de derivation dans des voies de transmission d'informations comportant des fibres de verre optiques |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2841350C2 (enExample) |
| FR (1) | FR2292987A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2050639B (en) * | 1979-06-14 | 1983-03-02 | Standard Telephones Cables Ltd | Fibre optic transmission |
| DE3239011A1 (de) * | 1982-10-21 | 1984-04-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen einer optischen koppelvorrichtung, insbesondere verfahren zur verminderung der wandstaerke von aus quarzglas bestehenden ummantelungen von lichtwellenleiter-glasfasern |
| DE102011017143B4 (de) | 2010-04-14 | 2012-10-11 | Fahrleitungsbau Gmbh | Streckentrenner für Fahrleitungen elektrischer Bahnen |
| DE102017130205B3 (de) * | 2017-12-15 | 2019-05-02 | Furrer & Frey Ag | Elektrische Trennungen in Deckenstromschienen |
-
1975
- 1975-11-27 FR FR7536316A patent/FR2292987A1/fr active Granted
-
1978
- 1978-09-22 DE DE2841350A patent/DE2841350C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2841350B1 (de) | 1979-12-13 |
| FR2292987A1 (fr) | 1976-06-25 |
| DE2841350C2 (de) | 1980-08-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |