GB1392437A – Indicator arrangements
– Google Patents
GB1392437A – Indicator arrangements
– Google Patents
Indicator arrangements
Info
Publication number
GB1392437A
GB1392437A
GB3186371A
GB3186371A
GB1392437A
GB 1392437 A
GB1392437 A
GB 1392437A
GB 3186371 A
GB3186371 A
GB 3186371A
GB 3186371 A
GB3186371 A
GB 3186371A
GB 1392437 A
GB1392437 A
GB 1392437A
Authority
GB
United Kingdom
Prior art keywords
light guides
fibres
phosphor
guides
emitters
Prior art date
1971-07-07
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
GB3186371A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co 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.)
1971-07-07
Filing date
1971-07-07
Publication date
1975-04-30
1971-07-07
Application filed by Marconi Co Ltd
filed
Critical
Marconi Co Ltd
1971-07-07
Priority to GB3186371A
priority
Critical
patent/GB1392437A/en
1975-04-30
Publication of GB1392437A
publication
Critical
patent/GB1392437A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
Abstract
1392437 Matrix displays MARCONI CO Ltd 30 March 1972 [7 July 1971] 31863/71 Heading G5C An indicator arrangement includes a plurality of elongated light guides 1 at least a portion of the outer longitudinal surfaces of each guide being provided with a surface layer of phosphor, and means 2 for introducing exciting radiation into selectable ones of the light guides. The light guides may be fibres of glass or plastics material, may be in crossed array and woven to form a mesh, and ground at the cross over points 3, phosphor 4 being only at these regions. Phosphors may be lanthanum or barium fluoride doped with rare earths, and excitation sources of infra red GaAs emitters, at one or both ends of the guides. Fibres may be 1 mm. diameter, spaced four/cm. A map position indicator (Fig. 3, not shown), includes lead (7) activating emitters 2 to produce two crossing dotted lines.
GB3186371A
1971-07-07
1971-07-07
Indicator arrangements
Expired
GB1392437A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB3186371A
GB1392437A
(en)
1971-07-07
1971-07-07
Indicator arrangements
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB3186371A
GB1392437A
(en)
1971-07-07
1971-07-07
Indicator arrangements
Publications (1)
Publication Number
Publication Date
GB1392437A
true
GB1392437A
(en)
1975-04-30
Family
ID=10329526
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3186371A
Expired
GB1392437A
(en)
1971-07-07
1971-07-07
Indicator arrangements
Country Status (1)
Country
Link
GB
(1)
GB1392437A
(en)
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2417822A1
(en)
*
1978-02-17
1979-09-14
Trigano Claude
Polychromatic image display system – uses fine grid or array of optical fibres producing interference phenomena
WO1995006931A1
(en)
*
1993-09-03
1995-03-09
Commissariat A L’energie Atomique
Display device comprising means for converting a laser beam into visible, incoherent light
US20090322677A1
(en)
*
2006-08-10
2009-12-31
Yeon-Keun Lee
Light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same
1971
1971-07-07
GB
GB3186371A
patent/GB1392437A/en
not_active
Expired
Cited By (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2417822A1
(en)
*
1978-02-17
1979-09-14
Trigano Claude
Polychromatic image display system – uses fine grid or array of optical fibres producing interference phenomena
WO1995006931A1
(en)
*
1993-09-03
1995-03-09
Commissariat A L’energie Atomique
Display device comprising means for converting a laser beam into visible, incoherent light
FR2709567A1
(en)
*
1993-09-03
1995-03-10
Commissariat Energie Atomique
Visualization device with conversion of laser beam into visible and inconsistent light.
US5606634A
(en)
*
1993-09-03
1997-02-25
Commissariat A L’energie Atomique
Display unit for conversion of a laser beam into visible and incoherent light
US20090322677A1
(en)
*
2006-08-10
2009-12-31
Yeon-Keun Lee
Light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same
US8754852B2
(en)
*
2006-08-10
2014-06-17
Lg Chem, Ltd.
Light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same
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Legal Events
Date
Code
Title
Description
1975-09-10
PS
Patent sealed
1982-10-27
PCNP
Patent ceased through non-payment of renewal fee
