GB2235106B - Light modulation system - Google Patents

Light modulation system

Info

Publication number
GB2235106B
GB2235106B GB9015057A GB9015057A GB2235106B GB 2235106 B GB2235106 B GB 2235106B GB 9015057 A GB9015057 A GB 9015057A GB 9015057 A GB9015057 A GB 9015057A GB 2235106 B GB2235106 B GB 2235106B
Authority
GB
United Kingdom
Prior art keywords
light modulation
modulation system
light
modulation
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 - Fee Related
Application number
GB9015057A
Other versions
GB9015057D0 (en
GB2235106A (en
Inventor
Michael Peter Gray
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.)
REGISBROOK GROUP Ltd
Original Assignee
REGISBROOK GROUP Ltd
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 REGISBROOK GROUP Ltd filed Critical REGISBROOK GROUP Ltd
Publication of GB9015057D0 publication Critical patent/GB9015057D0/en
Publication of GB2235106A publication Critical patent/GB2235106A/en
Application granted granted Critical
Publication of GB2235106B publication Critical patent/GB2235106B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
GB9015057A 1989-07-14 1990-07-09 Light modulation system Expired - Fee Related GB2235106B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898916135A GB8916135D0 (en) 1989-07-14 1989-07-14 Scanning system and light beam modulation

Publications (3)

Publication Number Publication Date
GB9015057D0 GB9015057D0 (en) 1990-08-29
GB2235106A GB2235106A (en) 1991-02-20
GB2235106B true GB2235106B (en) 1994-05-18

Family

ID=10660043

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898916135A Pending GB8916135D0 (en) 1989-07-14 1989-07-14 Scanning system and light beam modulation
GB9015057A Expired - Fee Related GB2235106B (en) 1989-07-14 1990-07-09 Light modulation system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898916135A Pending GB8916135D0 (en) 1989-07-14 1989-07-14 Scanning system and light beam modulation

Country Status (1)

Country Link
GB (2) GB8916135D0 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573900A (en) * 1941-08-25 1945-12-12 Harold Sefton Molyneux Ffennel Improvements in or relating to signalling systems
GB1426276A (en) * 1972-04-18 1976-02-25 Matsushita Electronics Corp Optical communication system
EP0016608A1 (en) * 1979-03-15 1980-10-01 University Of Delaware Method and apparatus for signal transmission via an optical fiber
GB2117993A (en) * 1982-04-01 1983-10-19 Sperry Corp Electro-optical transducers
US4479264A (en) * 1982-04-26 1984-10-23 Geosource Inc. Transducer for optical data transmission
EP0142427A2 (en) * 1983-11-10 1985-05-22 Thomson-Csf Digital data transmission system using a coherent light wave modulation
GB2171873A (en) * 1985-01-24 1986-09-03 Sanden Corp Data gathering system
US4662003A (en) * 1983-05-26 1987-04-28 Precitronic Gesellschaft Fur Feinmechanik Und Electronic M.B.H. System for electrooptical information transmission

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573900A (en) * 1941-08-25 1945-12-12 Harold Sefton Molyneux Ffennel Improvements in or relating to signalling systems
GB1426276A (en) * 1972-04-18 1976-02-25 Matsushita Electronics Corp Optical communication system
EP0016608A1 (en) * 1979-03-15 1980-10-01 University Of Delaware Method and apparatus for signal transmission via an optical fiber
GB2117993A (en) * 1982-04-01 1983-10-19 Sperry Corp Electro-optical transducers
US4479264A (en) * 1982-04-26 1984-10-23 Geosource Inc. Transducer for optical data transmission
US4662003A (en) * 1983-05-26 1987-04-28 Precitronic Gesellschaft Fur Feinmechanik Und Electronic M.B.H. System for electrooptical information transmission
EP0142427A2 (en) * 1983-11-10 1985-05-22 Thomson-Csf Digital data transmission system using a coherent light wave modulation
GB2171873A (en) * 1985-01-24 1986-09-03 Sanden Corp Data gathering system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Nature" 23,4 November,15,1880, reprinted in Vol. 288(1980) p13 *

Also Published As

Publication number Publication date
GB9015057D0 (en) 1990-08-29
GB2235106A (en) 1991-02-20
GB8916135D0 (en) 1989-08-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970709