GB527266A - Improvements in optical display devices - Google Patents

Improvements in optical display devices

Info

Publication number
GB527266A
GB527266A GB1066239A GB1066239A GB527266A GB 527266 A GB527266 A GB 527266A GB 1066239 A GB1066239 A GB 1066239A GB 1066239 A GB1066239 A GB 1066239A GB 527266 A GB527266 A GB 527266A
Authority
GB
United Kingdom
Prior art keywords
objects
lamp
optical display
outlines
reflectors
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
GB1066239A
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.)
JULIUS NEALE
Original Assignee
JULIUS NEALE
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 JULIUS NEALE filed Critical JULIUS NEALE
Priority to GB1066239A priority Critical patent/GB527266A/en
Publication of GB527266A publication Critical patent/GB527266A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

527,266. Optical display apparatus. WHITE, R., GOODCHILD, H., and NEALE, J. April 5, 1939, No. 10662. [Classes 3 (i) and 3 (ii)] An optical display device for dis playing objects, intermittently if desired, and also multiple reflection! of other objects or outlines asso. ciated with the principal object! comprises a casing containing ar object C arranged behind a semi. transparent mirror B and also a lamp A, and further objects or out. lines are arranged between reflecting surfaces E and a semi-transparent mirror D arranged at another aperture or apertures in the front of the casing. The latter objects or outlines may be luminous or may be translucent parts or cut-outs in an otherwise opaque reflector E for illumination by the lamp A. Colour filters may if desired be arranged behind the reflectors E and these reflectors and the mirrors D may be inclined to one another or curved or cyclically varied to give various effects to the multiple images displayed to the observer, who will see also the object C at the times the lamp A is switched on.
GB1066239A 1939-04-05 1939-04-05 Improvements in optical display devices Expired GB527266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1066239A GB527266A (en) 1939-04-05 1939-04-05 Improvements in optical display devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1066239A GB527266A (en) 1939-04-05 1939-04-05 Improvements in optical display devices

Publications (1)

Publication Number Publication Date
GB527266A true GB527266A (en) 1940-10-04

Family

ID=9971977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1066239A Expired GB527266A (en) 1939-04-05 1939-04-05 Improvements in optical display devices

Country Status (1)

Country Link
GB (1) GB527266A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4641442A (en) * 1985-03-05 1987-02-10 Development Finance Corporation Of New Zealand, Limited Display units
US4645970A (en) * 1984-11-05 1987-02-24 Donnelly Corporation Illuminated EL panel assembly
GB2210490A (en) * 1987-09-29 1989-06-07 Nicholas Lucius John Moore Infinity-mirror display device
GB2214692A (en) * 1988-01-27 1989-09-06 Errol James Stewart Greenlees Display unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645970A (en) * 1984-11-05 1987-02-24 Donnelly Corporation Illuminated EL panel assembly
US4641442A (en) * 1985-03-05 1987-02-10 Development Finance Corporation Of New Zealand, Limited Display units
GB2210490A (en) * 1987-09-29 1989-06-07 Nicholas Lucius John Moore Infinity-mirror display device
GB2214692A (en) * 1988-01-27 1989-09-06 Errol James Stewart Greenlees Display unit

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