GB1299088A - Signal spectral multiplexing and demultiplexing system - Google Patents
Signal spectral multiplexing and demultiplexing systemInfo
- Publication number
- GB1299088A GB1299088A GB59651/69A GB5965169A GB1299088A GB 1299088 A GB1299088 A GB 1299088A GB 59651/69 A GB59651/69 A GB 59651/69A GB 5965169 A GB5965169 A GB 5965169A GB 1299088 A GB1299088 A GB 1299088A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- signal
- multiplexing
- optical
- photo
- 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
- 230000003595 spectral effect Effects 0.000 title 1
- 239000000463 material Substances 0.000 abstract 4
- 238000001228 spectrum Methods 0.000 abstract 3
- 239000000470 constituent Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000001427 coherent effect Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
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
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
-
- 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
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR178663 | 1968-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1299088A true GB1299088A (en) | 1972-12-06 |
Family
ID=8658482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB59651/69A Expired GB1299088A (en) | 1968-12-17 | 1969-12-17 | Signal spectral multiplexing and demultiplexing system |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3703640A (2) |
| JP (1) | JPS4826641B1 (2) |
| DE (1) | DE1962941C3 (2) |
| FR (1) | FR1603792A (2) |
| GB (1) | GB1299088A (2) |
| NL (1) | NL6918960A (2) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791756A (fr) * | 1971-11-22 | 1973-03-16 | Siemens Ag | Correlateur optique coherent a canaux multiples |
| US3969017A (en) * | 1972-07-01 | 1976-07-13 | U.S. Philips Corporation | Method of image enhancement |
| US3873825A (en) * | 1973-05-09 | 1975-03-25 | Bell Telephone Labor Inc | Apparatus and systems using broad band radiation pulse source |
| JPS54103055A (en) * | 1978-01-31 | 1979-08-14 | Nippon Telegr & Teleph Corp <Ntt> | Spectrometer |
| FR2512614B1 (fr) * | 1981-09-04 | 1988-05-20 | Instruments Sa | Procede de multiplexage dans une fibre optique |
| US4849624A (en) * | 1988-06-24 | 1989-07-18 | The Boeing Company | Optical wavelength division multiplexing of digital encoder tracks |
| US5519533A (en) * | 1994-03-08 | 1996-05-21 | Sharp Kabushiki Kaisha | Three-dimensional information reproducing apparatus |
| JPH09114397A (ja) * | 1995-10-19 | 1997-05-02 | Mitsubishi Electric Corp | ディスプレイデバイスおよびディスプレイ装置 |
| KR101991135B1 (ko) * | 2010-05-19 | 2019-06-19 | 지멘스 에스에이에스 | 차량의 원격 제어를 위한 원격 비디오 송신의 보안 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3055258A (en) * | 1951-08-22 | 1962-09-25 | Hurvitz Hyman | Bragg diffraction ultrasonic devices |
| US3264611A (en) * | 1964-03-09 | 1966-08-02 | Ibm | Optical multiplexing |
| US3506834A (en) * | 1967-04-17 | 1970-04-14 | Bell Telephone Labor Inc | Time-division multiplex optical transmission system |
-
1968
- 1968-12-17 FR FR178663A patent/FR1603792A/fr not_active Expired
-
1969
- 1969-12-08 US US882880A patent/US3703640A/en not_active Expired - Lifetime
- 1969-12-16 DE DE1962941A patent/DE1962941C3/de not_active Expired
- 1969-12-17 JP JP44101004A patent/JPS4826641B1/ja active Pending
- 1969-12-17 NL NL6918960A patent/NL6918960A/xx unknown
- 1969-12-17 GB GB59651/69A patent/GB1299088A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1962941C3 (de) | 1978-04-06 |
| US3703640A (en) | 1972-11-21 |
| DE1962941A1 (de) | 1970-07-09 |
| JPS4826641B1 (2) | 1973-08-14 |
| NL6918960A (2) | 1970-06-19 |
| DE1962941B2 (de) | 1977-08-11 |
| FR1603792A (2) | 1971-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |