GB1202418A - Multi-stage transmission system for information represented in pulse code modulation - Google Patents
Multi-stage transmission system for information represented in pulse code modulationInfo
- Publication number
- GB1202418A GB1202418A GB56549/67A GB5654967A GB1202418A GB 1202418 A GB1202418 A GB 1202418A GB 56549/67 A GB56549/67 A GB 56549/67A GB 5654967 A GB5654967 A GB 5654967A GB 1202418 A GB1202418 A GB 1202418A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductor
- transmission system
- pulse
- power
- laser
- 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
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 239000004065 semiconductor Substances 0.000 abstract 3
- 239000000835 fiber Substances 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/2933—Signal power control considering the whole optical path
- H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
-
- 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
- H04B10/503—Laser transmitters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET32812A DE1254513B (de) | 1966-12-21 | 1966-12-21 | Mehrstufiges UEbertragungssystem fuer in Pulscodemodulation dargestellte Nachrichten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1202418A true GB1202418A (en) | 1970-08-19 |
Family
ID=7557308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB56549/67A Expired GB1202418A (en) | 1966-12-21 | 1967-12-13 | Multi-stage transmission system for information represented in pulse code modulation |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3845293A (enExample) |
| DE (1) | DE1254513B (enExample) |
| FR (1) | FR1548972A (enExample) |
| GB (1) | GB1202418A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3801819A (en) * | 1971-09-08 | 1974-04-02 | H Ohnsorge | Fiber optic information transmission system |
| US3851167A (en) * | 1972-12-11 | 1974-11-26 | Itt | Light-guide communication system with image intensifier repeater elements |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3501640A (en) * | 1967-01-13 | 1970-03-17 | Ibm | Optical communication system |
| DE1916226B2 (de) * | 1968-04-30 | 1971-04-22 | Optische uebertragungseinrichtung | |
| GB1295958A (enExample) * | 1969-12-11 | 1972-11-08 | ||
| NL7017510A (enExample) * | 1969-12-29 | 1971-07-01 | ||
| US3924120A (en) * | 1972-02-29 | 1975-12-02 | Iii Charles H Cox | Heater remote control system |
| CA997181A (en) * | 1973-07-05 | 1976-09-21 | Roy E. Love | Optical communication system |
| FR2239063B1 (enExample) * | 1973-07-27 | 1977-09-16 | Thomson Csf | |
| CH564889A5 (enExample) * | 1973-11-28 | 1975-07-31 | Patelhold Patentverwertung | |
| US4135202A (en) * | 1973-12-03 | 1979-01-16 | Communications Patents Limited | Broadcasting systems with fibre optic transmission lines |
| FR2258751B1 (enExample) * | 1974-01-18 | 1978-12-08 | Thomson Csf | |
| DE2611011C2 (de) * | 1976-03-12 | 1983-08-11 | Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin | Repeater für aus Monomode- oder Multimode-Lichtleitfasern aufgebaute Übertragungsstrecken |
| US4090067A (en) * | 1976-11-02 | 1978-05-16 | Sperry Rand Corporation | Optical data communication system |
| US4234970A (en) * | 1977-11-03 | 1980-11-18 | Elliott Brothers (London) Limited | Fiber optic communication system |
| DE2946875A1 (de) * | 1979-05-17 | 1981-05-27 | Georg Dipl.-Ing. 8047 Karlsfeld Figol | Drahtloses intercomsystem |
| DE3844182A1 (de) * | 1988-12-29 | 1990-07-12 | Bosch Gmbh Robert | Analoges optisches uebertragungssystem |
| US4980891A (en) * | 1989-12-22 | 1990-12-25 | Bell Communications Research, Inc. | Clocked optical regenerator and other optoelectronic functional circuits |
| US5331453A (en) * | 1992-06-15 | 1994-07-19 | Ael Defense Corp. | Millimeter wave fiber-optically linked antenna receiver device |
| GB9305977D0 (en) * | 1993-03-23 | 1993-05-12 | Northern Telecom Ltd | Transmission system incorporating optical amplifiers |
| DE19531633A1 (de) * | 1995-08-28 | 1997-07-03 | Whitaker Corp | Optisches Datenkommunikationssystem |
| KR101145770B1 (ko) * | 2010-07-15 | 2012-05-16 | 한국전자통신연구원 | 고전력 펄스 신호 복사 시스템 |
| EP2671791B1 (en) * | 2012-06-04 | 2018-07-18 | Caterpillar Motoren GmbH & Co. KG | Damped engine support |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2651715A (en) * | 1949-12-29 | 1953-09-08 | Bell Telephone Labor Inc | Channel separation light filter |
| US3328110A (en) * | 1964-01-02 | 1967-06-27 | Exxon Research Engineering Co | Electromagnetic radiation valve |
| DE1250496B (enExample) * | 1964-02-12 | |||
| US3319080A (en) * | 1964-04-08 | 1967-05-09 | Rca Corp | Electro-optical digital system |
| US3590248A (en) * | 1965-04-13 | 1971-06-29 | Massachusetts Inst Technology | Laser arrays |
| US3488586A (en) * | 1965-06-02 | 1970-01-06 | Gen Electric | Frequency modulated light coupled data link |
| US3403306A (en) * | 1966-01-20 | 1968-09-24 | Itt | Semiconductor device having controllable noise characteristics |
-
1966
- 1966-12-21 DE DET32812A patent/DE1254513B/de not_active Withdrawn
-
1967
- 1967-12-13 GB GB56549/67A patent/GB1202418A/en not_active Expired
- 1967-12-20 FR FR1548972D patent/FR1548972A/fr not_active Expired
-
1972
- 1972-09-28 US US00293035A patent/US3845293A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3801819A (en) * | 1971-09-08 | 1974-04-02 | H Ohnsorge | Fiber optic information transmission system |
| US3851167A (en) * | 1972-12-11 | 1974-11-26 | Itt | Light-guide communication system with image intensifier repeater elements |
Also Published As
| Publication number | Publication date |
|---|---|
| US3845293A (en) | 1974-10-29 |
| FR1548972A (enExample) | 1968-12-06 |
| DE1254513B (de) | 1967-11-16 |
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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 |