FR2352452A1 - Systeme de transmission unilaterale - Google Patents
Systeme de transmission unilateraleInfo
- Publication number
- FR2352452A1 FR2352452A1 FR7615411A FR7615411A FR2352452A1 FR 2352452 A1 FR2352452 A1 FR 2352452A1 FR 7615411 A FR7615411 A FR 7615411A FR 7615411 A FR7615411 A FR 7615411A FR 2352452 A1 FR2352452 A1 FR 2352452A1
- Authority
- FR
- France
- Prior art keywords
- transmission system
- unilateral transmission
- unilateral
- transmission
- 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 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
-
- 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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1121—One-way transmission
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/40—Optical elements or arrangements
- H10F77/407—Optical elements or arrangements indirectly associated with the devices
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7615411A FR2352452A1 (fr) | 1976-05-21 | 1976-05-21 | Systeme de transmission unilaterale |
GB20418/77A GB1581151A (en) | 1976-05-21 | 1977-05-16 | One-way transmission system |
US05/797,873 US4134007A (en) | 1976-05-21 | 1977-05-17 | One-way transmission system |
DE2722722A DE2722722C2 (de) | 1976-05-21 | 1977-05-20 | Unilaterales Übertragungssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7615411A FR2352452A1 (fr) | 1976-05-21 | 1976-05-21 | Systeme de transmission unilaterale |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2352452A1 true FR2352452A1 (fr) | 1977-12-16 |
FR2352452B1 FR2352452B1 (fr) | 1980-03-07 |
Family
ID=9173476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7615411A Granted FR2352452A1 (fr) | 1976-05-21 | 1976-05-21 | Systeme de transmission unilaterale |
Country Status (4)
Country | Link |
---|---|
US (1) | US4134007A (fr) |
DE (1) | DE2722722C2 (fr) |
FR (1) | FR2352452A1 (fr) |
GB (1) | GB1581151A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2573590A1 (fr) * | 1984-11-20 | 1986-05-23 | Infradep | Dispositif de telecommande a infrarouge |
EP0271128A2 (fr) * | 1986-11-07 | 1988-06-15 | Europe Container Terminus B.V. | Unité d'émission/réception infra-rouge pour la transmission omnidirectionelle dans une direction horizontale, et système de communication comportant plusieurs de ces unités |
FR2655497A1 (fr) * | 1989-12-01 | 1991-06-07 | Telecommunications Sa | Systeme de transmission de messages. |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224482A (en) * | 1978-11-30 | 1980-09-23 | Bell Telephone Laboratories, Incorporated | Mobile microphone-transmitter assembly |
DE3010068C2 (de) * | 1980-03-15 | 1986-12-18 | Fried. Krupp Gmbh, 4300 Essen | Verfahren und Anordnung zur Datenübertragung mittels elektromagnetischer Strahlung mit aufmodulierter Dateninformation |
IT1147855B (it) * | 1982-04-21 | 1986-11-26 | Panerai Off Srl | Piastra luminosa di segnalazione particolarmente adatta all'istallazione sul ponte di unita' navali |
GB8321246D0 (en) * | 1983-08-06 | 1993-08-04 | Ferranti Plc | Optical communication system |
DE8510644U1 (de) * | 1985-04-11 | 1985-05-30 | proLogistik Gesellschaft für Informations- u. Steuerungssysteme mbH, 4600 Dortmund | Vorrichtung zur Übermittlung von Informationen elektronischer Medien insbesondere mittels Infrarot-Strahlung |
US5033833A (en) * | 1990-02-26 | 1991-07-23 | Martin Marietta Corporation | Omni-directional optical antenna element |
DE4136801A1 (de) * | 1991-11-08 | 1993-05-13 | Daimler Benz Ag | Gruppenantenne |
DE4207687C2 (de) * | 1992-03-11 | 1996-08-08 | Grundig Emv | Einrichtung zur optischen leitungsungebundenen Signalübertragung |
GB2320151A (en) * | 1996-11-12 | 1998-06-10 | L F D Limited | Covert infra-red communications system |
US6190027B1 (en) * | 1998-02-20 | 2001-02-20 | North American Lighting, Inc. | Electroluminescent courtesy light with optical element and tube for running board of vehicle |
US6266142B1 (en) * | 1998-09-21 | 2001-07-24 | The Texas A&M University System | Noncontact position and orientation measurement system and method |
WO2001058055A2 (fr) * | 2000-02-07 | 2001-08-09 | Quantumbeam Limited | Systeme optique de signalisation en espace libre |
US8175799B1 (en) * | 2002-10-15 | 2012-05-08 | Douglas Edward Woehler | Location system |
US11381314B2 (en) | 2018-01-26 | 2022-07-05 | Bridgecomm, Inc. | Free space optical communication systems and methods for QOS control |
US11750286B2 (en) * | 2018-01-26 | 2023-09-05 | Bridgecomm, Inc. | Laser communication apparatus and associated methods |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2014039A (en) * | 1934-05-05 | 1935-09-10 | Arthur C Cole | Light controlling apparatus |
US2484837A (en) * | 1938-06-27 | 1949-10-18 | Burton G Lake | Light signaling means |
FR1040050A (fr) * | 1951-07-23 | 1953-10-12 | Procédé et dispositif de télécommande par lumière polarisée | |
US3031351A (en) * | 1957-02-18 | 1962-04-24 | Oran T Mcilvaine | Light control devices and methods of manufacturing same |
US3242340A (en) * | 1963-02-12 | 1966-03-22 | Melvin E Layne | Photosensitive means for controlling leveling and grading apparatus and establishing reference levels |
DE1942840U (de) * | 1966-04-27 | 1966-07-21 | Precitronic | Lichtsignal-rundum-empfaenger. |
US3620626A (en) * | 1969-05-29 | 1971-11-16 | Quantronix Corp | Proximity warning system for aircraft |
SE350598B (fr) * | 1971-03-04 | 1972-10-30 | Aga Ab | |
DE2342345B2 (de) * | 1973-08-22 | 1975-09-11 | Norddeutsche Mende Rundfunk Kg, 2800 Bremen | Verfahren zur Übertragung der von einem Fernseh- oder Rundfunkempfänger empfangenen Ton-Information über einen breitgefächerten Lichtstrahl |
DE2431937C2 (de) * | 1974-07-03 | 1982-04-01 | Sennheiser Electronic Kg, 3002 Wedemark | Verfahren zur drahtlosen optischen Nachrichtenübertragung |
DE2453077B2 (de) * | 1974-11-08 | 1976-09-02 | Precitronic Gesellschaft für Feinmechanik und Electronic mbH, 2000 Hamburg | Empfangs-sendeeinrichtung fuer die informationsuebermittlung mittels gebuendelter, modulierter lichtstrahlen |
-
1976
- 1976-05-21 FR FR7615411A patent/FR2352452A1/fr active Granted
-
1977
- 1977-05-16 GB GB20418/77A patent/GB1581151A/en not_active Expired
- 1977-05-17 US US05/797,873 patent/US4134007A/en not_active Expired - Lifetime
- 1977-05-20 DE DE2722722A patent/DE2722722C2/de not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2573590A1 (fr) * | 1984-11-20 | 1986-05-23 | Infradep | Dispositif de telecommande a infrarouge |
EP0271128A2 (fr) * | 1986-11-07 | 1988-06-15 | Europe Container Terminus B.V. | Unité d'émission/réception infra-rouge pour la transmission omnidirectionelle dans une direction horizontale, et système de communication comportant plusieurs de ces unités |
EP0271128A3 (en) * | 1986-11-07 | 1988-07-06 | Europe Container Terminus B.V. | Horizontal infra-red communication system |
FR2655497A1 (fr) * | 1989-12-01 | 1991-06-07 | Telecommunications Sa | Systeme de transmission de messages. |
EP0432025A1 (fr) * | 1989-12-01 | 1991-06-12 | SAT (SOCIETE ANONYME DE TELECOMMUNICATIONS) Société Anonyme française | Système optique de transmission de messages |
US5142399A (en) * | 1989-12-01 | 1992-08-25 | Societe Anonyme De Telecommunications | Message transmission system |
Also Published As
Publication number | Publication date |
---|---|
US4134007A (en) | 1979-01-09 |
DE2722722C2 (de) | 1982-06-16 |
FR2352452B1 (fr) | 1980-03-07 |
DE2722722A1 (de) | 1977-12-08 |
GB1581151A (en) | 1980-12-10 |
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