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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02325—Optical elements or arrangements associated with the device the optical elements not being integrated nor being directly associated with the device
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (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 |
AU2001232008A1 (en) * | 2000-02-07 | 2001-08-14 | Quantumbeam Limited | Optical free space signalling system |
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 |
DE2722722A1 (de) | 1977-12-08 |
GB1581151A (en) | 1980-12-10 |
FR2352452B1 (fr) | 1980-03-07 |
DE2722722C2 (de) | 1982-06-16 |
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