FR2495412A1 - Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu - Google Patents
Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu Download PDFInfo
- Publication number
- FR2495412A1 FR2495412A1 FR8025560A FR8025560A FR2495412A1 FR 2495412 A1 FR2495412 A1 FR 2495412A1 FR 8025560 A FR8025560 A FR 8025560A FR 8025560 A FR8025560 A FR 8025560A FR 2495412 A1 FR2495412 A1 FR 2495412A1
- Authority
- FR
- France
- Prior art keywords
- low
- diode
- thermal
- transmission system
- pass filter
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 230000009021 linear effect Effects 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000001131 transforming effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 30
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 2
- 101150030723 RIR2 gene Proteins 0.000 description 1
- JXASPPWQHFOWPL-UHFFFAOYSA-N Tamarixin Natural products C1=C(O)C(OC)=CC=C1C1=C(OC2C(C(O)C(O)C(CO)O2)O)C(=O)C2=C(O)C=C(O)C=C2O1 JXASPPWQHFOWPL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8025560A FR2495412A1 (fr) | 1980-12-02 | 1980-12-02 | Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu |
| AT81401842T ATE8831T1 (de) | 1980-12-02 | 1981-11-20 | Nachrichtenuebertragungssystem mit direkter lichtmodulation, optischer verbindung und mit einer bandbreite, die sich zu tiefen frequenzen und zu gleichanteilen hin erstreckt. |
| EP81401842A EP0053545B1 (fr) | 1980-12-02 | 1981-11-20 | Système de transmission d'informations à modulation directe de la lumière à liaison optique à bande passante étendue vers les fréquences basses et le continu |
| DE8181401842T DE3165277D1 (en) | 1980-12-02 | 1981-11-20 | Information transmission system, using direct light-modulation, optical-link and a bandwidth extended towards low frequencies and direct current |
| JP56194327A JPS57119531A (en) | 1980-12-02 | 1981-12-01 | Direct light modulation information transmission system |
| US06/326,203 US4443890A (en) | 1980-12-02 | 1981-12-01 | Optical-connection direct-light modulation information transmission system with a passband extended towards the low frequencies and continuous waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8025560A FR2495412A1 (fr) | 1980-12-02 | 1980-12-02 | Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2495412A1 true FR2495412A1 (fr) | 1982-06-04 |
| FR2495412B1 FR2495412B1 (enExample) | 1984-02-17 |
Family
ID=9248577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8025560A Granted FR2495412A1 (fr) | 1980-12-02 | 1980-12-02 | Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4443890A (enExample) |
| EP (1) | EP0053545B1 (enExample) |
| JP (1) | JPS57119531A (enExample) |
| AT (1) | ATE8831T1 (enExample) |
| DE (1) | DE3165277D1 (enExample) |
| FR (1) | FR2495412A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759080A (en) * | 1983-11-16 | 1988-07-19 | Nec Corporation | Coherent optical communication system with FSK heterodyne or homodyne detection and little influence by distortion of a modulated optical signal |
| DE3519711A1 (de) * | 1985-06-01 | 1986-12-04 | Hirschmann Radiotechnik | Schaltungsanordnung zur ansteuerung einer lichtemittierenden diode |
| SE8604792L (sv) * | 1986-11-07 | 1988-05-08 | Asea Atom Ab | Fiberoptisk dataoverforing vid borrhalslogging |
| US4989212A (en) * | 1990-04-09 | 1991-01-29 | Trw, Inc. | Laser diode phase modulation technique |
| DE59302134D1 (de) * | 1992-02-01 | 1996-05-15 | Sel Alcatel Ag | Digitales optisches Nachrichtenübertragungssystem mit einem bei der Betriebswellenlänge dispersionsbehafteten Lichtwellenleiter |
| US5473017A (en) * | 1993-09-30 | 1995-12-05 | Exxon Chemical Patents Inc. | Intervulcanized elastomer blends |
| WO1996035972A1 (en) * | 1995-05-08 | 1996-11-14 | Testdesign Corporation | Optical fiber interface for integrated circuit test system |
| KR19990045250A (ko) * | 1997-11-10 | 1999-06-25 | 실리코닉스 인코퍼레이티드 | 적외선-발광 다이오드 구동방법 및 구동회로 |
| US6963597B2 (en) * | 2000-04-28 | 2005-11-08 | Photodigm, Inc. | Grating-outcoupled surface-emitting lasers |
| US9478685B2 (en) | 2014-06-23 | 2016-10-25 | Zena Technologies, Inc. | Vertical pillar structured infrared detector and fabrication method for the same |
| US8519379B2 (en) | 2009-12-08 | 2013-08-27 | Zena Technologies, Inc. | Nanowire structured photodiode with a surrounding epitaxially grown P or N layer |
| US8229255B2 (en) | 2008-09-04 | 2012-07-24 | Zena Technologies, Inc. | Optical waveguides in image sensors |
| US9406709B2 (en) | 2010-06-22 | 2016-08-02 | President And Fellows Of Harvard College | Methods for fabricating and using nanowires |
| US8546742B2 (en) | 2009-06-04 | 2013-10-01 | Zena Technologies, Inc. | Array of nanowires in a single cavity with anti-reflective coating on substrate |
| US8748799B2 (en) | 2010-12-14 | 2014-06-10 | Zena Technologies, Inc. | Full color single pixel including doublet or quadruplet si nanowires for image sensors |
| US8507840B2 (en) | 2010-12-21 | 2013-08-13 | Zena Technologies, Inc. | Vertically structured passive pixel arrays and methods for fabricating the same |
| US8735797B2 (en) | 2009-12-08 | 2014-05-27 | Zena Technologies, Inc. | Nanowire photo-detector grown on a back-side illuminated image sensor |
| US8791470B2 (en) * | 2009-10-05 | 2014-07-29 | Zena Technologies, Inc. | Nano structured LEDs |
| US8866065B2 (en) | 2010-12-13 | 2014-10-21 | Zena Technologies, Inc. | Nanowire arrays comprising fluorescent nanowires |
| US8889455B2 (en) | 2009-12-08 | 2014-11-18 | Zena Technologies, Inc. | Manufacturing nanowire photo-detector grown on a back-side illuminated image sensor |
| US9299866B2 (en) | 2010-12-30 | 2016-03-29 | Zena Technologies, Inc. | Nanowire array based solar energy harvesting device |
| US9082673B2 (en) | 2009-10-05 | 2015-07-14 | Zena Technologies, Inc. | Passivated upstanding nanostructures and methods of making the same |
| US9343490B2 (en) | 2013-08-09 | 2016-05-17 | Zena Technologies, Inc. | Nanowire structured color filter arrays and fabrication method of the same |
| US8835831B2 (en) | 2010-06-22 | 2014-09-16 | Zena Technologies, Inc. | Polarized light detecting device and fabrication methods of the same |
| US9515218B2 (en) | 2008-09-04 | 2016-12-06 | Zena Technologies, Inc. | Vertical pillar structured photovoltaic devices with mirrors and optical claddings |
| US9000353B2 (en) | 2010-06-22 | 2015-04-07 | President And Fellows Of Harvard College | Light absorption and filtering properties of vertically oriented semiconductor nano wires |
| US8269985B2 (en) | 2009-05-26 | 2012-09-18 | Zena Technologies, Inc. | Determination of optimal diameters for nanowires |
| US8299472B2 (en) | 2009-12-08 | 2012-10-30 | Young-June Yu | Active pixel sensor with nanowire structured photodetectors |
| US8890271B2 (en) | 2010-06-30 | 2014-11-18 | Zena Technologies, Inc. | Silicon nitride light pipes for image sensors |
| US8274039B2 (en) | 2008-11-13 | 2012-09-25 | Zena Technologies, Inc. | Vertical waveguides with various functionality on integrated circuits |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB499317A (en) * | 1937-07-21 | 1939-01-23 | Standard Telephones Cables Ltd | Improvements in or relating to electric wave signalling systems |
| US3984824A (en) * | 1975-07-25 | 1976-10-05 | The United States Of America As Represented By The Secretary Of The Army | Wide-band optical analog signal link using fiber optics |
| FR2364572A1 (fr) * | 1976-09-13 | 1978-04-07 | Fujitsu Ltd | Dispositif de telecommunications optiques |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729633A (en) * | 1970-11-24 | 1973-04-24 | Ibm | Optical receiver having a maximized signal-to-noise ratio |
| US4257125A (en) * | 1979-05-01 | 1981-03-17 | The Singer Company | Receiver for unipolar Manchester fiber optics signals |
-
1980
- 1980-12-02 FR FR8025560A patent/FR2495412A1/fr active Granted
-
1981
- 1981-11-20 DE DE8181401842T patent/DE3165277D1/de not_active Expired
- 1981-11-20 EP EP81401842A patent/EP0053545B1/fr not_active Expired
- 1981-11-20 AT AT81401842T patent/ATE8831T1/de not_active IP Right Cessation
- 1981-12-01 US US06/326,203 patent/US4443890A/en not_active Expired - Lifetime
- 1981-12-01 JP JP56194327A patent/JPS57119531A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB499317A (en) * | 1937-07-21 | 1939-01-23 | Standard Telephones Cables Ltd | Improvements in or relating to electric wave signalling systems |
| US3984824A (en) * | 1975-07-25 | 1976-10-05 | The United States Of America As Represented By The Secretary Of The Army | Wide-band optical analog signal link using fiber optics |
| FR2364572A1 (fr) * | 1976-09-13 | 1978-04-07 | Fujitsu Ltd | Dispositif de telecommunications optiques |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/77 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2495412B1 (enExample) | 1984-02-17 |
| EP0053545A1 (fr) | 1982-06-09 |
| JPS57119531A (en) | 1982-07-26 |
| EP0053545B1 (fr) | 1984-08-01 |
| DE3165277D1 (en) | 1984-09-06 |
| ATE8831T1 (de) | 1984-08-15 |
| US4443890A (en) | 1984-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |