DE1605099U - DEVICE FOR GENERATING LIGHT LETTERING. - Google Patents

Description

. Se b raue ks m us te r *

Ällgäuer Fakrzeug "and Masckinenfabrik ^ .ufbearen - Hart

Device for generating bookmarks.

The invention relates to a device for generating illuminated text, and to them. best of all, dasö _; .a existing practical from unzerbrecklickem fabric möglickst köehtransparente Sßkeibe ej.ne undurcksicktige has Becksekickt containing by (Jravur the translucent writing and / or drawing effecting recesses _..; Ils fabric disk for the transparencies are suitable rornehsiliek pinstharze, as ■■■ z _e B, the glass-like product known in the trade as .lanfön Sesapal, which has a covering layer that swallows the light as completely as possible the stipulation that the cover layer and thus the engraving are on the outside

lies.

So far, translucent illuminated signs have been made in the way formed that letters or characters are applied to a mostly colored glass pane with well-covering paint so that a kind of light path glare took place for the purpose of indirectly 'luminous writing. This measure was mainly used for emergency lighting signs with backlit panes, for example in theaters, cinemas and the like Emergency exit.

Only in the rarest of cases did these signs comply with the fire regulations, according to which in still The word "emergency exit" is clear from a relatively large distance should be legible. Most of the time, at the required distance, the clue word is already so blurred that in reality only the red area of the glass pane due to the general experience of the visitor on the hot exit indicates.

In the case of the invention, it was assumed that that ^ a self-luminous font, i.e. a font on a practically black background, on a lot greater distance remains clearly legible, provided that, in spite of the coloring for the writing, the light rays • are not absorbed by the writing plate.

The invention solves this problem in that on one with a plate provided with a full covering layer, the letters are engraved in such a way that the covering layer is eliminated in the desired places, but that by attacking the exposed plate a such unevenness is generated that a multiple refraction of light occurs in all directions. JSs the effect is the same as with the bekenr.tsn multi-faceted a Mcfcst rafale r achieved.

However, the invention could not only be limited to having recognized that the strong flicker of light is achieved through the polygonal surface formation of the engraving font; For the plate to be engraved and to be freed from the cover layer in the writing area, a material had to be selected so that normal engraving styluses are sufficient to achieve the desired light effect. If you choose 'G-Ias with a top layer, the success aimed for in the invention with regard to the polygonal stylus surface can be achieved if the engraving stylus is made of a correspondingly hard material and if the movement of the stylus in the plane, the plate surface also - albeit very small movements directed vertically to this are carried out. Of the

The desired \ effect is however bell simple and normal Engraving is already achieved when a plate is used highly transparent synthetic resin is used. The one under the name Resopal is particularly suitable for this commercially available product which also has the advantage of being less fragile.

The invention is shown purely schematically in the drawing and only as an example, and it means:

Figure 1: Partial section from the neon sign board with exaggerated representation of the panel seams,

Figure 2: a Uot illuminated sign box in diagrammatic form Depiction.

The highly transparent plate has a light that is possible completely swallowed top layer 2. In this · • the desired. Characters 3 engraved in this way, that the top layer is not only completely removed, but that the surface of the plate 1 is also attacked, resulting in a polygonal surface of the carved out Letter arises, as with the letter "I * of the example in FIG. 1 is indicated by the squiggle 4. .

As a result of these numerous unevenness of the surface 4, a strong light refraction takes place on all sides, so that the effect of a multi-surface reflector is achieved.

According to FIG. 2, an illuminated writing plate produced in this way is shown in a known manner in a light box 5 both

■ \ -

for example, inserted using the slot 6, so that the S incandescent lamp 7 used in box 5 Sign behind lights «'

The plate 1 has the desired basic color, for example a bright red. This is when applied Eunstkar products are particularly easy to reach.

Patent attorney

Claims (2)

Protection claims. 1 _# ) Vorricktiing. Zur Erzeogcuag von Leacktschrift, characterized in that a two-dimensionally made of unbreakable fabric, highly transparent as possible, has an opaque cover layer, which by engraving contains the cutouts causing the translucent writing or / and drawing, 2.) Device according to claim 1, characterized in that that the transparent pane is made from a Jümstharz product 'consists primarily of the one under the name Formica commercially known glass-like product, the one that Light as completely as possible swallowing the pelvic layer . · Owns *, 3 _# ) Device according to claim 1 or 2, characterized in that the luminous disc .in. known way a light source enclosing. Has a pole mount, with the top layer and thus the Bravar on the outside. Patent attorney