FR2271592B1 - - Google Patents
Info
- Publication number
- FR2271592B1 FR2271592B1 FR7514666A FR7514666A FR2271592B1 FR 2271592 B1 FR2271592 B1 FR 2271592B1 FR 7514666 A FR7514666 A FR 7514666A FR 7514666 A FR7514666 A FR 7514666A FR 2271592 B1 FR2271592 B1 FR 2271592B1
- 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
- G02B6/2821—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 lateral coupling between contiguous fibres to split or combine optical signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742423448 DE2423448A1 (de) | 1974-05-14 | 1974-05-14 | Richtkoppler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271592A1 FR2271592A1 (hu) | 1975-12-12 |
| FR2271592B1 true FR2271592B1 (hu) | 1977-11-18 |
Family
ID=5915556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514666A Expired FR2271592B1 (hu) | 1974-05-14 | 1975-05-12 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS50156948A (hu) |
| DE (1) | DE2423448A1 (hu) |
| FR (1) | FR2271592B1 (hu) |
| GB (1) | GB1512452A (hu) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105844A (en) * | 1976-03-02 | 1977-09-05 | Nippon Telegr & Teleph Corp <Ntt> | Jointing method for optical waveguides |
| JPS5434847A (en) * | 1977-08-23 | 1979-03-14 | Matsushita Electric Ind Co Ltd | Optical propagating device |
| DE3108742C2 (de) * | 1981-03-07 | 1985-11-14 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Selektiver Richtkoppler |
| JP2594895B2 (ja) * | 1983-07-08 | 1997-03-26 | 株式会社日立製作所 | 光集積回路素子の製造方法 |
-
1974
- 1974-05-14 DE DE19742423448 patent/DE2423448A1/de active Pending
-
1975
- 1975-04-29 GB GB1768675A patent/GB1512452A/en not_active Expired
- 1975-05-12 FR FR7514666A patent/FR2271592B1/fr not_active Expired
- 1975-05-13 JP JP5714875A patent/JPS50156948A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50156948A (hu) | 1975-12-18 |
| FR2271592A1 (hu) | 1975-12-12 |
| GB1512452A (en) | 1978-06-01 |
| DE2423448A1 (de) | 1975-11-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |