SE464791B - Fiberoptiskt digitaldataoeverfoeringssystem samt saendare och mottagare i saadant system - Google Patents
Fiberoptiskt digitaldataoeverfoeringssystem samt saendare och mottagare i saadant systemInfo
- Publication number
- SE464791B SE464791B SE8503764A SE8503764A SE464791B SE 464791 B SE464791 B SE 464791B SE 8503764 A SE8503764 A SE 8503764A SE 8503764 A SE8503764 A SE 8503764A SE 464791 B SE464791 B SE 464791B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- time
- digital
- varying
- zero
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 38
- 230000005540 biological transmission Effects 0.000 title claims description 37
- 239000000835 fiber Substances 0.000 title description 20
- 239000002131 composite material Substances 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 20
- 230000004044 response Effects 0.000 claims description 4
- 230000001427 coherent effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/06—Necks; Fingerboards, e.g. fret boards
- G10D3/08—Fingerboards in the form of keyboards
-
- 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
- H04B10/54—Intensity modulation
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/695—Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/04—Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
- Optical Couplings Of Light Guides (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Stringed Musical Instruments (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/288,111 US4420842A (en) | 1981-07-29 | 1981-07-29 | Fiber optic digital data transmitting system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8503764L SE8503764L (sv) | 1985-08-09 |
| SE8503764D0 SE8503764D0 (en, 2012) | 1985-08-09 |
| SE464791B true SE464791B (sv) | 1991-06-10 |
Family
ID=23105784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8503764A SE464791B (sv) | 1981-07-29 | 1985-08-09 | Fiberoptiskt digitaldataoeverfoeringssystem samt saendare och mottagare i saadant system |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US4420842A (en, 2012) |
| EP (1) | EP0165242B1 (en, 2012) |
| JP (2) | JPS61500698A (en, 2012) |
| AU (1) | AU564104B2 (en, 2012) |
| CA (1) | CA1215119A (en, 2012) |
| CH (1) | CH670177A5 (en, 2012) |
| DE (1) | DE3390559T1 (en, 2012) |
| GB (1) | GB2161339B (en, 2012) |
| NL (1) | NL193600C (en, 2012) |
| SE (1) | SE464791B (en, 2012) |
| WO (1) | WO1985002733A1 (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420842A (en) * | 1981-07-29 | 1983-12-13 | Kuhn Loughrey R | Fiber optic digital data transmitting system |
| NL8200002A (nl) * | 1982-01-04 | 1983-08-01 | Philips Nv | Foutlocalisatie-inrichting voor digitaal optische transmissiesysteem. |
| US4523099A (en) * | 1983-04-29 | 1985-06-11 | Lavine Michael K | Device for transmitting analog sensor data via fiber optics |
| US4583096A (en) * | 1983-05-23 | 1986-04-15 | The United States Of America As Represented By The Secretary Of The Air Force | Fiber optic data distribution for phased array antenna |
| GB2155718B (en) * | 1984-03-08 | 1987-01-28 | Standard Telephones Cables Ltd | Local area network |
| DE3446474C2 (de) * | 1984-12-20 | 1987-04-09 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Lichtmodulator auf Flüssigkristallbasis |
| US5274673A (en) * | 1990-06-22 | 1993-12-28 | Japan Aviation Electronics Industry Limited | Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor |
| JPH05122159A (ja) * | 1991-05-13 | 1993-05-18 | Internatl Business Mach Corp <Ibm> | 伝送信号の信号対雑音比の改良方法及び光学的相互接続システム |
| US5828696A (en) * | 1995-03-30 | 1998-10-27 | Lucent Technologies Inc. | Timing recovery in a network-synchronized modem |
| US7068948B2 (en) * | 2001-06-13 | 2006-06-27 | Gazillion Bits, Inc. | Generation of optical signals with return-to-zero format |
| US6686997B1 (en) * | 2001-08-27 | 2004-02-03 | Raytheon Company | Apparatus and a method for pulse detection and characterization |
| US7577358B2 (en) * | 2002-01-30 | 2009-08-18 | Ericsson Telecomunicacoes S.A. | Apparatus, system and method for optical packet switching using frequency header |
| US20050102191A1 (en) * | 2003-11-07 | 2005-05-12 | Heller Andrew R. | Method for retailing electronic media |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3238843A (en) * | 1961-11-15 | 1966-03-08 | Ibm | Electro-optical devices utilizing the stark shift phenomenon |
| DE2131787C3 (de) * | 1971-06-26 | 1973-12-20 | Ibm Deutschland Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Fehlerfeststellung bei Datenverarbeitungssystemen |
| US3717769A (en) * | 1971-08-16 | 1973-02-20 | Bell Telephone Labor Inc | Optical fiber equalizer |
| DE2626324A1 (de) * | 1975-06-23 | 1977-01-13 | Motorola Inc | Kohaerenter phasendemodulator |
| JPS5269506A (en) * | 1975-12-08 | 1977-06-09 | Fujitsu Ltd | Secondary carrier wave piling pcm-im communication system |
| CA1119254A (en) * | 1978-04-18 | 1982-03-02 | Joseph H. Greenberg | Fiber optics high speed modem |
| US4229830A (en) * | 1979-06-01 | 1980-10-21 | Ampex Corporation | Apparatus and method for providing a modulation format for multiple wideband signal transmission |
| US4317236A (en) * | 1980-02-25 | 1982-02-23 | Bell Telephone Laboratories, Incorporated | Laser digital transmitter |
| US4420842A (en) * | 1981-07-29 | 1983-12-13 | Kuhn Loughrey R | Fiber optic digital data transmitting system |
| JPS58161553A (ja) * | 1982-03-19 | 1983-09-26 | Nec Corp | バイボ−ラ信号光送信／受信装置 |
-
1981
- 1981-07-29 US US06/288,111 patent/US4420842A/en not_active Expired - Lifetime
-
1983
- 1983-12-06 CA CA000442741A patent/CA1215119A/en not_active Expired
- 1983-12-09 JP JP84501098A patent/JPS61500698A/ja active Pending
- 1983-12-09 NL NL8320434A patent/NL193600C/nl not_active IP Right Cessation
- 1983-12-09 GB GB08519984A patent/GB2161339B/en not_active Expired
- 1983-12-09 EP EP84900946A patent/EP0165242B1/en not_active Expired
- 1983-12-09 WO PCT/US1983/001934 patent/WO1985002733A1/en active IP Right Grant
- 1983-12-09 DE DE19833390559 patent/DE3390559T1/de not_active Withdrawn
- 1983-12-09 AU AU26508/84A patent/AU564104B2/en not_active Ceased
- 1983-12-09 JP JP59501098A patent/JPH0828679B2/ja not_active Expired - Lifetime
-
1985
- 1985-08-09 SE SE8503764A patent/SE464791B/sv not_active IP Right Cessation
- 1985-12-09 CH CH3507/85A patent/CH670177A5/de not_active IP Right Cessation
-
1993
- 1993-09-03 US US08/116,315 patent/USRE34676E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE8503764L (sv) | 1985-08-09 |
| WO1985002733A1 (en) | 1985-06-20 |
| NL193600B (nl) | 1999-11-01 |
| NL8320434A (nl) | 1985-11-01 |
| JPS59500026A (ja) | 1984-01-05 |
| GB2161339B (en) | 1987-03-18 |
| CA1215119A (en) | 1986-12-09 |
| JPS61500698A (ja) | 1986-04-10 |
| SE8503764D0 (en, 2012) | 1985-08-09 |
| EP0165242A4 (en) | 1987-07-27 |
| NL193600C (nl) | 2000-03-02 |
| GB2161339A (en) | 1986-01-08 |
| CH670177A5 (en, 2012) | 1989-05-12 |
| US4420842A (en) | 1983-12-13 |
| AU564104B2 (en) | 1987-07-30 |
| DE3390559T1 (de) | 1986-02-20 |
| EP0165242B1 (en) | 1990-04-25 |
| USRE34676E (en) | 1994-07-26 |
| AU2650884A (en) | 1985-06-26 |
| JPH0828679B2 (ja) | 1996-03-21 |
| EP0165242A1 (en) | 1985-12-27 |
| GB8519984D0 (en) | 1985-09-18 |
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