US1931742A - Illuminated sign - Google Patents

Illuminated sign Download PDF

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Publication number
US1931742A
US1931742A US504478A US50447830A US1931742A US 1931742 A US1931742 A US 1931742A US 504478 A US504478 A US 504478A US 50447830 A US50447830 A US 50447830A US 1931742 A US1931742 A US 1931742A
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United States
Prior art keywords
plate
tube
sign
light
smooth
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Expired - Lifetime
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US504478A
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Paul J Scharringhausen
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Individual
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1836—Achieving homogeneous illumination using a frame-like light source

Definitions

  • Signs of the luminescent-tube type such as to provide a chamber 8 extending around the neon-tube and argon-tube signs, have become glass plates 4, the edges of said plates being exextraordinarilypopular notwithstanding their posed within said chamber.
  • the walls relatively high cost and the impossibility of modi- 0f e Chamber 8 a e P v d w reflecting 5 fying a given sign so as to display various messurface, o p by pp y thereto a sages to the public.
  • coating 9 of white paint or other suitable material are examples of white paint or other suitable material.
  • the chamber 8 may contain two cute a luminescent-tube sign which shall possess luminescent tubes.
  • the attractiveness of the luminescent-tube signs Shown there is a tube 10 in addition to the tube 10 of the prior art, which shall be comparatively in- '7, both tubes extending entirely around the glass expensive, and which shall be adapted to be readp ates and lyin i he same plane- These tubes ily and economically changed so as to display any may be supported within the chamber 8 "1 any desired message to the beholder.
  • This object has preferred manner, as by means of brackets been attained by utilizing a luminescent tube for The lower, or any other convenient portion of 15 the purpose of transmitting light through the the frame, may be provided with a chamber 12 edges of a glass plate and by applying the desired to house the electrodes of the luminescent tube inscription upon the surface of the glass plate or tubes.
  • the electrodes of each tube are cony means of crayon, crayola, or equivalent manected into an electric circuit in the usual or any terial, the light transmitted from the luminescent preferred manner.
  • tubes 20 tube through the glass plate causing the inscripare used, one may be filled with neon gas and tion to glow in a manner simulating the appearanother with argon gas, the tubes being alterance of a luminescent-tube sign. nately energized by means of a flasher of ordi- In the accompanying drawing: nary construction.
  • Figure 1 is a sectional view of a sign embodying The message to be displayed by means of the 25 the features of my invention, the view being taken sign may be written upon the outer surfaces of in the plane of dotted line 1-1 of Fig. 2. the glass plates 4' by means of crayon, crayola,
  • Fig. 2 is a section taken in the plane of line Bon Ami, or other material.
  • the material 2-2 of Fig. 1. used may be white or of the same color or colors
  • the embodiment which has been selected to as that produced by the luminescent tube or 30 illustrate the invention comprises a rectangular tubes, and is preferably, translucent. frame surrounding an edge illuminated glass When the tube or tubes are not energized it plate, but it will be understood that the frame will be evident that the inscriptions upon the may be of any other desired outline.
  • the frame comprises background afforded by the backing 5 when the 35 two rectangular halves or sections 1 and 2 arsign is'exteriorly illuminated by daylight or other ranged to be secured together by any suitable suitable means.
  • the letters, symbols, pictures, or other surrounds and supports a double-faced inscripdesigns applied to the glass plates are illuminated tion-displaying structure, herein shown as conby the light transmitted from the luminescent 40 sisting of two smooth transparent colorless glass tube through the edges of the glass plates, the plates 4 arranged side by side with an opaque inscriptions being caused to glow with the color backing 5 between them.
  • This backing may of the light produced by the tube so that at a consist of a coating of paint or the like, preferdistance the inscription has essentially the same ably black, or a sheet of black paper, or any appearance as an ordinary neon or argon sign 45 other desired material having a so-called matt but without the objectionable light-intensity of or non-reflecting surface.
  • the frame sections 1 and 2 are rabbeted upon It will be seen that by reason of the manner their opposed faces so as to provide a groove 6 in which the message'to be displayed is applied extending entirely around the inner edge of the to the glass, the message may be easily erased,
  • An illuminated sign comprising a plate. of light pervious material having a smooth surface, means arranged to transmit light through. .an,
  • a smooth surfaced glass plate an opaque backing on one of the smooth surfaces of said plate, means arranged to transmit light into said plate angularly with respect to the smooth surfaces thereof, whereby the light is reflected back and forth between the smooth surfaces of said glass plate in passing substantially edgewise through the plate and a readily applied and removable inscription on the smooth front surface of the plate adapted to be rendered luminous by dispersion of light received from said glass plate.
  • An illuminated sign comprising a glass plate having smooth surfaces, an opaque backing for said plate, luminescent tubing arranged to transmit light through the edges of said glass plate and a readily applied and removable inscription of translucent material on the smooth front surface of said plate.
  • An illuminated sign comprising a plate of light pervious material having smooth inner and outer surfaces, means for transmitting light substantially edgewise through said plate, an opaque non-reflecting backing for said plate and a readily applied and removable inscription of translucent material on one of the smooth surfaces of said plate and having a contrasting color with respect to said backing.
  • An illuminated sign comprising a plate of light pervious material having smooth inner and outer surfaces, an opaque non-reflecting backing for said plate, means for transmitting light substantially through the entire peripheral edge of said plate and a readily applied and removable inscription of translucent material on the smooth outer surface of said plate having a contrasting color with respect to said backing whereby light transmitted edgewise through said plate is dispersed to produce luminescence of said inscription.
  • An illuminated sign comprising a pair of plates of light pervious material arranged side by side, said plates having continuously smooth inner and outer surfaces, an opaque non-reflecting backing between said plates, a luminescent tube extending substantially entirely around the peripheral edges of said plates and a readily applied and removable inscription of translucent material on the smooth outer surfaces of said plates having a contrasting color with respect to said backing and adapted to be rendered luminous through the effect of the edgewise illumination.
  • the method of producing and displaying an illuminated advertisement which consists in transmitting light edgewise through a smooth surfaced light pervious plate and removably applying to a smooth surface of the plate a substance in the form of characters capable of becoming luminescent from the elfect of light obtained from the interior of the plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Description

Oct 1933- P. J. SCHARRINGHAUSEN 1,931,742
ILLUMINATED SIGN ,Filed Dec. 24, 1930 FULL IS'dmrrL' ham/sen; I3 Wfl Patented Oct. 24, 1933 1,931,742
UNITED STATES PATENT OFFICE ILLUIVIINATED SIGN Paul J. Scharringhausen, Des Plalnes, Ill.
Application December 24, 1930 Serial No. 504,478
9 Claims. 40.130)
Signs of the luminescent-tube type, such as to provide a chamber 8 extending around the neon-tube and argon-tube signs, have become glass plates 4, the edges of said plates being exextraordinarilypopular notwithstanding their posed within said chamber. Preferably, the walls relatively high cost and the impossibility of modi- 0f e Chamber 8 a e P v d w reflecting 5 fying a given sign so as to display various messurface, o p by pp y thereto a sages to the public. coating 9 of white paint or other suitable material.
The object of the present invention is to pro- If desired, the chamber 8 may contain two duce a luminescent-tube sign which shall possess luminescent tubes. In the construction herein the attractiveness of the luminescent-tube signs Shown there is a tube 10 in addition to the tube 10 of the prior art, which shall be comparatively in- '7, both tubes extending entirely around the glass expensive, and which shall be adapted to be readp ates and lyin i he same plane- These tubes ily and economically changed so as to display any may be supported within the chamber 8 "1 any desired message to the beholder. This object has preferred manner, as by means of brackets been attained by utilizing a luminescent tube for The lower, or any other convenient portion of 15 the purpose of transmitting light through the the frame, may be provided with a chamber 12 edges of a glass plate and by applying the desired to house the electrodes of the luminescent tube inscription upon the surface of the glass plate or tubes. The electrodes of each tube are cony means of crayon, crayola, or equivalent manected into an electric circuit in the usual or any terial, the light transmitted from the luminescent preferred manner. Where a plurality of tubes 20 tube through the glass plate causing the inscripare used, one may be filled with neon gas and tion to glow in a manner simulating the appearanother with argon gas, the tubes being alterance of a luminescent-tube sign. nately energized by means of a flasher of ordi- In the accompanying drawing: nary construction.
Figure 1 is a sectional view of a sign embodying The message to be displayed by means of the 25 the features of my invention, the view being taken sign may be written upon the outer surfaces of in the plane of dotted line 1-1 of Fig. 2. the glass plates 4' by means of crayon, crayola,
Fig. 2 is a section taken in the plane of line Bon Ami, or other material. The material 2-2 of Fig. 1. used may be white or of the same color or colors The embodiment which has been selected to as that produced by the luminescent tube or 30 illustrate the invention comprises a rectangular tubes, and is preferably, translucent. frame surrounding an edge illuminated glass When the tube or tubes are not energized it plate, but it will be understood that the frame will be evident that the inscriptions upon the may be of any other desired outline. In the glass plates 4 may be read against the opaque construction herein shown, the frame comprises background afforded by the backing 5 when the 35 two rectangular halves or sections 1 and 2 arsign is'exteriorly illuminated by daylight or other ranged to be secured together by any suitable suitable means. When the tube or tubes are in means, as, for example, screws 3. Said frame operation, the letters, symbols, pictures, or other surrounds and supports a double-faced inscripdesigns applied to the glass plates are illuminated tion-displaying structure, herein shown as conby the light transmitted from the luminescent 40 sisting of two smooth transparent colorless glass tube through the edges of the glass plates, the plates 4 arranged side by side with an opaque inscriptions being caused to glow with the color backing 5 between them. This backing may of the light produced by the tube so that at a consist of a coating of paint or the like, preferdistance the inscription has essentially the same ably black, or a sheet of black paper, or any appearance as an ordinary neon or argon sign 45 other desired material having a so-called matt but without the objectionable light-intensity of or non-reflecting surface. As shown in Fig. 2, the latter. the frame sections 1 and 2 are rabbeted upon It will be seen that by reason of the manner their opposed faces so as to provide a groove 6 in which the message'to be displayed is applied extending entirely around the inner edge of the to the glass, the message may be easily erased,
50 frame to receive the edges of the plates 4 and after the manner of an inscription upon a slate, the backing 5. and a different inscription placed thereon, thus Enclosed within the frame is a luminescent making the sign particularly useful to merchants tube '7 located in the plane of the glass plates 4 or others who desire to make frequent changes so as to transmit light through the edges of said in their advertisements.
55 plates. HereinIhaveshown the frame as formed While I have shown a double-faced sign, it
will be evident that the invention may be embodied in a single-faced sign.
The term writing" in the following claims is intended to include the application of Bon Ami" or other suitable substances by means of a brush.
I claim as my invention:
1. An illuminated sign comprising a plate. of light pervious material having a smooth surface, means arranged to transmit light through. .an,
edge of said plate and a readily applied and'.r-'
faces of said glass plate in passing substantially edgewise through the plate and a readily applied and removable inscription of translucent material upon the smooth surface of said plate adapted to be rendered luminous by dispersion of light received from said glass plate.
4. In an illuminated sign, a smooth surfaced glass plate, an opaque backing on one of the smooth surfaces of said plate, means arranged to transmit light into said plate angularly with respect to the smooth surfaces thereof, whereby the light is reflected back and forth between the smooth surfaces of said glass plate in passing substantially edgewise through the plate and a readily applied and removable inscription on the smooth front surface of the plate adapted to be rendered luminous by dispersion of light received from said glass plate.
5. An illuminated sign comprising a glass plate having smooth surfaces, an opaque backing for said plate, luminescent tubing arranged to transmit light through the edges of said glass plate and a readily applied and removable inscription of translucent material on the smooth front surface of said plate.
6. An illuminated sign comprising a plate of light pervious material having smooth inner and outer surfaces, means for transmitting light substantially edgewise through said plate, an opaque non-reflecting backing for said plate and a readily applied and removable inscription of translucent material on one of the smooth surfaces of said plate and having a contrasting color with respect to said backing.
7. An illuminated sign comprising a plate of light pervious material having smooth inner and outer surfaces, an opaque non-reflecting backing for said plate, means for transmitting light substantially through the entire peripheral edge of said plate and a readily applied and removable inscription of translucent material on the smooth outer surface of said plate having a contrasting color with respect to said backing whereby light transmitted edgewise through said plate is dispersed to produce luminescence of said inscription.
8. An illuminated sign comprising a pair of plates of light pervious material arranged side by side, said plates having continuously smooth inner and outer surfaces, an opaque non-reflecting backing between said plates, a luminescent tube extending substantially entirely around the peripheral edges of said plates and a readily applied and removable inscription of translucent material on the smooth outer surfaces of said plates having a contrasting color with respect to said backing and adapted to be rendered luminous through the effect of the edgewise illumination.
9. The method of producing and displaying an illuminated advertisement which consists in transmitting light edgewise through a smooth surfaced light pervious plate and removably applying to a smooth surface of the plate a substance in the form of characters capable of becoming luminescent from the elfect of light obtained from the interior of the plate.
PAUL J. SCHARRINGHAUSEN.
US504478A 1930-12-24 1930-12-24 Illuminated sign Expired - Lifetime US1931742A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562740A (en) * 1948-03-13 1951-07-31 Charles E Rose Illuminating device for automobile license plates
US2917838A (en) * 1955-03-10 1959-12-22 Edwin A Neugass Illuminated writing panel
US2937912A (en) * 1954-05-14 1960-05-24 Cymmer Thomas Device for making a record and displaying it
US3048694A (en) * 1958-02-24 1962-08-07 Raymond B Faulk Illuminated polyhedric forms
DE1146738B (en) * 1958-05-31 1963-04-04 Alfred Schropp Illuminated marking device with changeable and removable illuminated signs
US4340372A (en) * 1980-04-17 1982-07-20 Brassine Robert L Educational aid
US4697365A (en) * 1985-09-25 1987-10-06 Xebron Corporation Edge-illuminated sign
US4777749A (en) * 1984-05-18 1988-10-18 Ledan, Inc. Lighted display
DE29714000U1 (en) * 1997-08-06 1997-10-16 Sauernheimer Gmbh Lighting device with an information carrier arranged on a mast
USD430901S (en) * 1999-11-22 2000-09-12 Palmer Promotional Products Two-sided light box
US6675515B2 (en) * 1994-06-17 2004-01-13 Fallon Luminous Products Luminous electric sign
US20040016186A1 (en) * 2002-07-19 2004-01-29 Targetti Sankey S.P.A. Door or window with lighting device and lighting section associated therewith
US20080118704A1 (en) * 2006-11-20 2008-05-22 Lintec Corporation Luminescent sheet having see-through property, luminescent decorative material, and method of producing the same
US20140286051A1 (en) * 2013-03-21 2014-09-25 Kabushiki Kaisha Tokai Rika Denki Seisakusho Display device

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562740A (en) * 1948-03-13 1951-07-31 Charles E Rose Illuminating device for automobile license plates
US2937912A (en) * 1954-05-14 1960-05-24 Cymmer Thomas Device for making a record and displaying it
US2917838A (en) * 1955-03-10 1959-12-22 Edwin A Neugass Illuminated writing panel
US3048694A (en) * 1958-02-24 1962-08-07 Raymond B Faulk Illuminated polyhedric forms
DE1146738B (en) * 1958-05-31 1963-04-04 Alfred Schropp Illuminated marking device with changeable and removable illuminated signs
US4340372A (en) * 1980-04-17 1982-07-20 Brassine Robert L Educational aid
US4777749A (en) * 1984-05-18 1988-10-18 Ledan, Inc. Lighted display
US4697365A (en) * 1985-09-25 1987-10-06 Xebron Corporation Edge-illuminated sign
US6675515B2 (en) * 1994-06-17 2004-01-13 Fallon Luminous Products Luminous electric sign
DE29714000U1 (en) * 1997-08-06 1997-10-16 Sauernheimer Gmbh Lighting device with an information carrier arranged on a mast
USD430901S (en) * 1999-11-22 2000-09-12 Palmer Promotional Products Two-sided light box
US20040016186A1 (en) * 2002-07-19 2004-01-29 Targetti Sankey S.P.A. Door or window with lighting device and lighting section associated therewith
US20080118704A1 (en) * 2006-11-20 2008-05-22 Lintec Corporation Luminescent sheet having see-through property, luminescent decorative material, and method of producing the same
US20140286051A1 (en) * 2013-03-21 2014-09-25 Kabushiki Kaisha Tokai Rika Denki Seisakusho Display device

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