GB1581151A - One-way transmission system - Google Patents

One-way transmission system Download PDF

Info

Publication number
GB1581151A
GB1581151A GB20418/77A GB2041877A GB1581151A GB 1581151 A GB1581151 A GB 1581151A GB 20418/77 A GB20418/77 A GB 20418/77A GB 2041877 A GB2041877 A GB 2041877A GB 1581151 A GB1581151 A GB 1581151A
Authority
GB
United Kingdom
Prior art keywords
signal
aircraft
diodes
flight deck
turret
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
Application number
GB20418/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Publication of GB1581151A publication Critical patent/GB1581151A/en
Expired legal-status Critical Current

Links

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)
GB20418/77A 1976-05-21 1977-05-16 One-way transmission system Expired GB1581151A (en)

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 (1)

Publication Number Publication Date
GB1581151A true GB1581151A (en) 1980-12-10

Family

ID=9173476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20418/77A Expired GB1581151A (en) 1976-05-21 1977-05-16 One-way transmission system

Country Status (4)

Country Link
US (1) US4134007A (https=)
DE (1) DE2722722C2 (https=)
FR (1) FR2352452A1 (https=)
GB (1) GB1581151A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268016A (en) * 1983-08-06 1993-12-22 Ferranti Plc Optical communication system
GB2320151A (en) * 1996-11-12 1998-06-10 L F D Limited Covert infra-red communications system

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
FR2573590B1 (fr) * 1984-11-20 1988-04-08 Infradep Dispositif de telecommande a infrarouge
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
NL8602833A (nl) * 1986-11-07 1988-06-01 Europ Container Terminus Horizontaal infrarood verbindingsstelsel.
FR2655497A1 (fr) * 1989-12-01 1991-06-07 Telecommunications Sa Systeme de transmission de messages.
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
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
EP1254526A2 (en) * 2000-02-07 2002-11-06 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)

* Cited by examiner, † Cited by third party
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 (https=) * 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268016A (en) * 1983-08-06 1993-12-22 Ferranti Plc Optical communication system
GB2268016B (en) * 1983-08-06 1994-05-11 Ferranti Plc Optical communication system
GB2320151A (en) * 1996-11-12 1998-06-10 L F D Limited Covert infra-red communications system

Also Published As

Publication number Publication date
US4134007A (en) 1979-01-09
FR2352452B1 (https=) 1980-03-07
DE2722722C2 (de) 1982-06-16
DE2722722A1 (de) 1977-12-08
FR2352452A1 (fr) 1977-12-16

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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
PCNP Patent ceased through non-payment of renewal fee