US565775A - office - Google Patents

Description

(No Model.)

B. M01. MOORE. ADVERTISING ELECTRICAL PHOSPHORESCENT LETTER 0R SIGN.

'No. 565,775. Patented Aug. 11, 1896.

ATTORNEY.

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' UNITED STATES' ATENT FFICE.

DANIEL MCFARLAN MOORE, OF NEW YORK, N. Y., ASSIGNOR TO THE MOORE ELE OTRIOALOOMPANY, OF SAME PLACE.

ADVERTISING ELECTRICAL PHOSPHORESCENT LETTERS OR SIGNS.

SPECIFIGATION forming part of Letters Patent No. 565,77 5, dated August 11, 1896.

Application filed January '7, 1895. Renewed July 1, 1896. Serial No. 597,782. (No modeld To all whom it may concern.-

Be it known that I, DANIEL McFARLAN MOORE, a citizen of the United States, and a resident of New York, county and State of New York, have invented certain new and useful I which the following is a specification.

My invention has reference tothe productlon of characters, such as figures or letters,

by the production, around a wire properly shaped, of an envelop of a colored luminosity.

The invention relates, further, to the mechanical construction of the device adapted to advertise the desired information.

Figure 1 shows one application of the inven tion. Fig. 2 is a section of a portion of a detail of that shown in Fig. 1. Fig. 3 shows a side view of a portion of that which is shown Fig. 4 is an elevation of a modifiin Fig. 1. cation. Fig. 5 is a section of part of Fig. 4. Fig. 6 shows a modification.

aand b are glass plates, face to face and supported by a rubber band 0, arranged around the edges, or the plates may have recesses surrounded by projections c, having ground surfaces which press against each other.

d is a stem extending from the space between the plates, and contains vibratory electric terminals cf, and outside of the stem is a magnet g for vibratin g theterminals to and from each other, the magnet being in series with the terminals in order to effect this end. Extending from one of the terminals is a wire it, extended throughout the space between the plates and bent back and forth and upon itself and in other various directions, so as to form letters, which may read, for example, as shown in the drawings, Phosphorescent Illuminator.

The operation consists in the vibration of the terminals e and f, producinginterruptions of the current and a consequent luminosity of the wire h. If itis desired to have an envelop around the Wire h only, the vacuum which it is necessary to produce in the space between the plates should be continued until such a luminosity takes place. If the vacuum is further increased, the whole spacebetween the plates will be luminous, as well as the wire forming the letters. The frame 2' may be applied to the glass plates and the samehung up by a cordj.

In Fig. 4; a door 70 of a building may be pro vided with a device like that shown in Fig. 1, and the lettering replaced 'by figures Z, which may be the street-number of the house. These figures will stand out the same as if made of light, and will be plainly visible for a considerable distance;

In Fig. 5 is shown the reverse side of the construction by means of a section of the door. The stem 01 may extend through the door and serve to hold the plates at and h to the door. The magnet g is embedded in the door within inductive influence of the armature m, provided on one of the vibrators.

n is the generator for supplying the magnet in either one of the applications of the inventions represented.

The plates to and I) may be held together by the frame, or, if desired, the adhesion of the plates may be effected by the pressure of the air on the outside thereof, in view of the vacuum inside.

The effect of the light has a marked improvement if the generator n includes in the circuit of the magnet g and of the terminals f and e an induction-coil 0 or choking-magnet. At each interruption of the terminals the selfinduction causes a more brilliant illumination.

It should be noticed that the figures Z on the door-plate not only serve to indicate the number of the house, but the illumination pro duced causes them to serve as a lamp for the lighting up of the piazza, door and bell. knobs, and other adjacent parts. This is true also of the sign-board shown in Fig. 1 in the sense that it serves as a lamp for the purpose of illumination.

The wire it, forming the letters, may be of any length which would ever be wanted in practice. A whole sentence of words could be formed and yet the letters would all be equally illuminated and apparently as bright as if only one letter were formed. The wire, of course, may be arranged in other forms than letters and signs, and pictures may be produced, but in this case it is preferable, probably, to form the picture by stamping a metallic sheet in the manner of making stencils. For the sake of illustration, this is shown in Fig. 6. The fine wire h can produce effects, as, for instance, to represent hair in the portrait shown. The plate is lettered 19, while the face has been stamped out. Therefore the plate 19 will be luminous and the stenciled picture will be produced, assisted by the luminous wires forming the hair.

I claim as my invention 1. The combination of an electrical conductor shaped into a letter or sign, an evacuated inclosure containing the conductor, and means for interrupting and closing the electric conductor within the inclosure.

2. Asign-board consisting of the combination of plates of glass closed at the edges, and having the atmosphere between the same rarefied, an electric conductor arranged in the rarefied atmosphere in the shape of letters or signs, electrically connected to an electric circuit, and means for alternately interrupting and closing the electric circuit within the vacuum. a I

3. A sign-board consisting of the combination of an evacuated inclosure having sub stantially parallel sides and a stem extending therefrom, letters or signs made of an electrical conductor and located in the inclosure, and an electric-current interrupter in the stem and electrically connected to the letters or signs, and means for holding the plates together.

4. A door-plate, consisting of the combination of an evacuated inclosure, containing a conductor, arranged in the form of figures or letters, and means within the inclosure for opening and closing the circuit of the conductor.

5. The combination with an evacuated inclosure, of vibratory contacts therein, means for alternately opening and closing the same, and a choking-magnet included in circuit with the contacts.

6. The combination with an evacuated inclosure of a stenciled plate connected to an electric conductor, and means for interrupt ing the conductor within the vacuum.

7. The combination with an evacuated inclosure of a stenciled plate connected with an electriccond'uctor of one polarity Within sparking distancein the vacuum of a ter1ninal of the oppositepolarity.

In testimony that I claim the foregoing as 1n y invention I have signed my name, in presence of two witnesses, this 21st day of December, 1894.

D. MCFARLAN MOORE.

Witnesses:

WM. R WARREN, Y EDWARD P. THOMPSON.

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