DE3685890D1 - Optisches signaluebertragungssystem mit pulsfrequenzmodulations-modem. - Google Patents
Optisches signaluebertragungssystem mit pulsfrequenzmodulations-modem.Info
- Publication number
- DE3685890D1 DE3685890D1 DE8686301381T DE3685890T DE3685890D1 DE 3685890 D1 DE3685890 D1 DE 3685890D1 DE 8686301381 T DE8686301381 T DE 8686301381T DE 3685890 T DE3685890 T DE 3685890T DE 3685890 D1 DE3685890 D1 DE 3685890D1
- Authority
- DE
- Germany
- Prior art keywords
- optical signal
- signal transmission
- transmission system
- frequency modulation
- pulse frequency
- 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 - Lifetime
Links
Classifications
-
- 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
- H04B10/516—Details of coding or modulation
- H04B10/524—Pulse modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60039298A JPS61198935A (ja) | 1985-02-28 | 1985-02-28 | 光伝送方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3685890D1 true DE3685890D1 (de) | 1992-08-13 |
DE3685890T2 DE3685890T2 (de) | 1993-02-18 |
Family
ID=12549223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686301381T Expired - Fee Related DE3685890T2 (de) | 1985-02-28 | 1986-02-26 | Optisches signaluebertragungssystem mit pulsfrequenzmodulations-modem. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4928318A (de) |
EP (1) | EP0193396B1 (de) |
JP (1) | JPS61198935A (de) |
CA (1) | CA1238687A (de) |
DE (1) | DE3685890T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2751162B2 (ja) * | 1987-09-11 | 1998-05-18 | 日本電気株式会社 | 光伝送方式 |
JPS6486727A (en) * | 1987-09-29 | 1989-03-31 | Omron Tateisi Electronics Co | Optical analog transmission module |
JPH0276486A (ja) * | 1988-09-13 | 1990-03-15 | Pioneer Electron Corp | 映像信号の光伝送システム |
US5132957A (en) * | 1988-11-07 | 1992-07-21 | Teac Corporation | Information signal recording and reproducing system capable of recording an information signal on a medium having a limited recording band width |
EP0386736B1 (de) * | 1989-03-09 | 1995-06-07 | Canon Kabushiki Kaisha | Optisches Übertragungssystem |
DK0393470T3 (da) * | 1989-04-20 | 1995-07-10 | Siemens Ag | Transmissionsstrækning |
KR920014231A (ko) * | 1990-12-31 | 1992-07-30 | 이헌조 | 무선헤드폰 송 수신회로 |
US5586145A (en) * | 1993-01-11 | 1996-12-17 | Morgan; Harry C. | Transmission of electronic information by pulse position modulation utilizing low average power |
FR2733651B1 (fr) * | 1995-04-26 | 1997-07-04 | Sextant Avionique | Procede et dispositif pour la transmission de signaux analogiques au moyen d'un systeme de transmission utilisant des lignes de transmission optique |
JP3805372B2 (ja) * | 1995-11-29 | 2006-08-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 非線形伝送媒体用の伝送方式 |
US5737140A (en) * | 1996-06-07 | 1998-04-07 | Eastman Kodak Company | Simple pulse position modulation channel/decoder |
AU5311398A (en) * | 1996-12-23 | 1998-07-17 | Dsc Communications A/S | A method and a circuit for the transfer of data information |
DE19737482A1 (de) * | 1997-08-28 | 1999-03-04 | Alsthom Cge Alcatel | Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz |
US6735398B1 (en) * | 2000-03-15 | 2004-05-11 | Hughes Electronics Corporation | Generating methods for single and multi-channel wideband optical analog pulse positioned waveforms |
US10921356B2 (en) * | 2016-08-22 | 2021-02-16 | The University Of Sydney | Optical RF spectrum analyser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55138936A (en) * | 1979-04-18 | 1980-10-30 | Nec Corp | Signal transmission system |
US4399564A (en) * | 1980-02-19 | 1983-08-16 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic system for transmission of video signals by pulse-frequency-modulation |
FR2485294A1 (fr) * | 1980-06-23 | 1981-12-24 | Trt Telecom Radio Electr | Demodulateur de frequence utilisant un circuit a retard variable avec la frequence recue |
JPS60170359A (ja) * | 1984-02-14 | 1985-09-03 | Meidensha Electric Mfg Co Ltd | V/f変換デ−タ伝送装置 |
-
1985
- 1985-02-28 JP JP60039298A patent/JPS61198935A/ja active Pending
-
1986
- 1986-02-24 CA CA000502556A patent/CA1238687A/en not_active Expired
- 1986-02-26 EP EP86301381A patent/EP0193396B1/de not_active Expired - Lifetime
- 1986-02-26 DE DE8686301381T patent/DE3685890T2/de not_active Expired - Fee Related
-
1987
- 1987-12-22 US US07/136,534 patent/US4928318A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3685890T2 (de) | 1993-02-18 |
EP0193396B1 (de) | 1992-07-08 |
US4928318A (en) | 1990-05-22 |
EP0193396A3 (en) | 1988-12-14 |
JPS61198935A (ja) | 1986-09-03 |
EP0193396A2 (de) | 1986-09-03 |
CA1238687A (en) | 1988-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |