US1996756A - Multiple stock quotation projecting machine - Google Patents

Description

April 9, 1935. A. D. EITZEN MULTIPLE STOCK QUOTATION PROJECTING MACHINE Original Filed April 10, 1929 INVENTOR tag-12%;, ATTORNEY Patented Apr. 9, 1935 UNITED STATES PATENT OFFICE MULTIPLE STOCK QUOTATION PRO- J ECTIN G MACHINE August D. Eitzen, Rockville Centre, N. Y., assignor to News Projection Corporation, New York, N. Y., a corporation of New York s Application April 10, 1929, Serial No. 354,035

' Renewed November 16, 1933 13 Claims. ((31- 88-24) My present invention relates generally to stock sired images in a prompt and efficient manner on quotation devices, and has particular reference both screens. to a stock quotation projecting machine. B fly, I a p s is general bj t y It is customary practice at the present time to C eati main a f light which emanates associated a stock ticker which is adapted to from the projecting devi after v n p d 5 discharge marked tape inasubstantially continuthrough t ap a y thereupon directing ous manner with a projecting device through sa d am pa t a wa d one s n a d pa which the tape is made to pass and by means of tially toward the ot Screen- In a -p di which the markings on the tape are displayed application I have illustrated and described one upon a relatively large screen which commands a m nner f mpli h n h object y p tin 10 substantial observation area. After the tape the a n a i tw subordinate ms a d leaves the projecting device it is guided toward thereupon directing $11011 Subordinate beams a take-up or rewinding mechanism of suitable Wa d a d o the W p y screens p character. tively.

It is frequently desirable to render the mark- Where a beam o light is Split into tWO bl5 ings on the tape readable from different obsero din portions, the intensity of each of the vation areas. For example, in many brokerage latter is less than that of the original beam. In ofiices, a separate room is assigned to ladies, and accordance W h y Present invention I rea a separate display screen in each ii th a pair of subordinate beams each of which has fore desirable. Similarly, it is often advanthe Same intensity as the initial beemy, 20 tageous to have a main display screen i a I accomplish this advantageous result by deflectlic room and a second display screen in a private the entire b a a rapid intervals 80 t a room. each of the subordinate beams produced is a Before pointing out the features of my present pulsating b a The nations are of suminvention, I will premise that the projection of cient p y to render the images prom-168d y 25 images onto two separated screens 1 a tt each beam upon one of the screens readable in of considerable expense where a separate ticker a Satisfactory mannerand projecting device are provided for coopera- In a (lo-Pending application I have accomtion with each screen. On the other hand, if this plished the production of w subordinate pulexpense were to be minimized by employing a sineating beams of the foregoing arac y m a 30 gle ticker and a pair of projecting devices through Of One more reflectors arranged in a Common which the tape would successively pass, t t plane and movable across the path of the origmarkings projected by the second projectin inal beam in a plane coincident with such revice would be objectionably late in time so flectors. In the form herein illustrated and de- K a the actual stock transa tion indicated by scribed, the features of which are hereinafter set 35 such markings are concerned forth in the appended claims, I again employ It is a general object f my present invention the interposition and withdrawal of a. reflector or to provide a Stock quotation projecting machine reflectorscnto andfrom the path of the original which may be efliciently and satisfactorily emg of h i of y F reflec' ployed for the creation of images of tape markings 2; 325: 5 1; 2 2225335??? 2 2?; 40 on two independent and separated screens with- A construction of this character has numerous ggg s z ggigi igg g ggf s Involved m advantages, as will be more fully understood after this specification has been read. r' 2-123 ii gigg lg 1 2 of this More particularly, I provide a pivoted member c w 1 th 8 Image: on provided with at least one reflecting surface, and at 885 fjn b 8 Same promp ness in conjunction with such surface I provide either t the Same d eeghproduced upon a transparent portion or a second reflecting sur- 8 screen 111 943cm m W1 customary Prac' face set at an angle to the first. I also provide tlclsiore particularly it is an object of in means for pivoting said member to and fro so as 50 vention to provide a projecting machine fo fise with 2;; 3212 33; grgfig fii 31 3 1 2: apair of divergently directed display screens, the proper manner for achieving the desired purmachine comprising a common ticker, a common pose. I 66 projecting device, and means for creating the de- A particular feature of my present invention resides in providing a shutter which is movable across the path of light to permit the passage of the beam therethrough or to block "such passage entirely at predetermined times. More particularly, I provide means for so operating the shutter that during movements of the reflecting surface or surfaces the shutter is.automatically positioned to block the beam of light, whereas during periods of rest of the reflector or reflectors, the shutter is automatically opened to permit the beam of light to be directed in the contemplated manner.

Other features of my present invention reside in the particular manner of oscillating or pivoting the member referred to and also automatically operating the shutter as aforesaid. It is a general feature of my present invention to provide a construction which is simple in structural nature and inexpensive from a manufacturing standpoint.

For the attainment of the foregoing objects and such other objects as may hereinafter appear or be pointed out, I have illustrated two forms of my invention in the accompanying drawing wherein- Figure 1 is an elevational view of a projecting device constructed in accordance with my present invention and showing diagrammatically the manner in which images are simultaneously produced on a pair of separated screens, certain portions of the mechanism being omitted from this figure for the sake of clearness;

Figure 2 is a view taken from the right of Figure 1 and substantially along the line 2-2 thereof, showing certain details of the mechanism which were omitted in Figure 1;

Figure 3 is a plan view taken substantially along the line 3-3 of Figure 1 and illustrating the arrangement of certain reflecting surfaces, certain portions being omitted from this figure. also for the sake of clearness;

Figure 4 is a view taken from the left of Figure 2, as indicated at d& in Figure 2, and showing on an enlarged scale certain details of the mechanism;

Figure 5 is a view similar to Figure 4 showing the parts in diflerent relative positions; and

Figure 6 is a view similar to Figure 1 illustrating a modification.

Referring to the drawing, and particularly to Figure 2, I have diagrammatically illustrated a stock ticker ID from which a marked tape H is adapted to be discharged. This tape has been shown entering and passing through a projecting device l2, after which it is led toward a suitable take-up or rewinding mechanism designated by the reference numeral I3.

The foregoing elements are designed to cooperate with a pair of screens M and I5. It is to be noted that these screensare spaced from each other, and I have illustratively shown them facing in divergent directions, thereby serving two different observation areas. The screen l5 may typify a screen which would command an observation area in, for example, one room, and the screen I may be said to represent a second screen arranged within an adjoining room.

In accordance with my invention, a suitable source of light (not shown) is arranged within the projecting device l2 and is adapted to project a beam l6 upwardly through the tape l l as the latter passes through the device I 2. I prefer to arrange an objective I! in the path of this beam. In the illustrated embodiment, I have shown a shutter arranged directly above the objective H, which shutter may take the form of a cylindrical sleeve l8 mounted for rotation upon a spindle l9 passing through the axis of the cylinder. The element I8 is provided with the diametrically oppos ite apertures 20 which are of suflicient size to permit the beam leaving the objective ll to pass upwardly therethrough when they are in vertical alignment. Similarly, these apertures are so sized and positioned that when the sleeve i8 is rotated through the passage of the beam through the shutter is entirely blocked.

In the embodiment illustrated in Figures 1-5, I have provided above the shutter l8 a member 2! pivoted at 22 for oscillation between the two extreme positions illustrated in Figures 4 and 5. This member is provided with two reflecting surfaces 23 and 2 3 arranged at an angle to each other. The angular mounting of these surfaces is such that when the member 25 is in one extreme position as shown in Figure 4, then the beam it passing upwardly through the shutter 88 is adapted to encounter the reflecting surface 2 and be deflected in a lateral direction to provide one subordinate beam 25; whereas a positioning of the member 2! in its opposite extreme position as shown in Figure 5 will cause the upwardly passing beam It to encounter the reflecting surface 23 for deflection by the latter into the opposite lateral direction to produce the second subordinate beam 26.

Before describing further details of the mechanism, it will be obvious that a rapid oscillation of the member 2! betweenits two extreme positions, accompanied by a predetermined period of rest in each extreme position, will result in the production of two subordinate beams, one of which follows the direction 25 of Figure 4 and the other of which extends in the direction 26 of Figure 5, each of these subordinate beams being of a rapidly pulsating character.

For accomplishing such rapid oscillation I prefer to provide mechanism of the character illustrated most clearly in Figures 2, 4, and 5. I have shown a cam disc 21 mounted upon the end of the spindle l9, a motor or the like 28 serving constantly to rotate the spindle l9 and the disc 21. The speed of the'motor 28 may be regulated by means of a rheostat 29 or the like.

In the outer surface of the disc 21 I provide a suitably contoured cam groove 30 adapted to receive a cam follower roller 3| therein. The roller 3| is mounted on the end of a cam follower arm 32 associated with the member 2! and preferably with the axis 22 of the latter.

Upon referring to Figures 4 and 5 it will be observed that rotation of the disc 21 in the direction of the arrow 33 will cause the arm 32 to swing between the positions illustrated, resting for a predetermined time in each extreme position, this oscillation of the arm 32 causing a similar oscillation of the spindle 22 and the pivoted member 2|.

For the purpose of automatically blocking the beam of light l6 during movements of the member 2| and of its associated reflecting surfaces 23 and 24, I cause the motor 28 to serve the additional function of rotating the shutter l8. By suitably mounting this shutter upon the spindle 19, particularly with respect to its angular relationship with the disc 21, I am enabled to provide for the automatic contemplated operation by the mere constant rotation at uniform speed of the spindle l9. Thus, in Figure 4, the arm 32 has just commenced its period of rest at one extreme position, and for a predetermined period of time the aperture 20 will permit the beam of light it to encounter the momentarily stationary mirror 24. Presently, theshutter i8 will cause a blocking of the beam l6 after which the arm 32 will be rapidly swung into the position of Figure 5. In this position, the apertures 20 will again be aligned for a predetermined period to allow the beam ii to encounter the momentarily stationary reflector 23.

In Figures 1, 2, and 3 I have illustrated the manner in which the two subordinate beams are directed toward and onto their respective screens. The pulsating subordinate beam 26 is caused first to encounter a mirror or reflector 34 set at an angle of substantially 45. From here, the beam is reflected onto the reflecting member 35 arranged at approximately 45 to the horizontal. The beam is in this way deflected upwardly onto the reflector 36 which serves in turn to project the markings onto the rear of the screen l4. The provision of an even number of mirrors resuits-in the production of an erect and uninverted image upon the forward face of the screen H. The latter will be obviously of the wellknown translucent variety which will render the readings visible on the front face thereof.

With respect to the subordinate beam 25, a reflector 31 is positioned to deflect this beam upwardly onto the mirror 88, thence toward the mirror 39, and flnally onto the rear of the screen I! of construction similar to the screen l4.

In the embodiment iilustrated in Figure 6, the reflecting surface 24 has been omitted from the pivoted member. In this case, a member 40 corresponding to the member 2 l, is pivoted at 4| and is provided with the single reflecting surface 42. The latter corresponds to the reflecting surface 23' previously referred to. In place of the second reflecting surface, an aperture or transparent portion is provided whereby the beam is directed at once onto the reflector 38. The omission of the mirror 24 is accompanied by an omission of the reflector 31, whereby the erect and uninverted nature of the image is unaffected. The surface 42 serves to produce a subordinate beam 26 in the same manner as hereinbefore described.

It will thus be seen that I have provided a construction which is extremely simple, yet highly satisfactory. Although I have illustrated two screens facing in different directions, it will be understood that a suitable arrangement of reflecting surfaces may enable various other dispositions of two screens. The provision of a pivoted member carrying reflecting surfaces and operating in the manner described enables the two subordinate beams to be directed into the desired proper directions. In certain cases, more than two subordinate beams mayv thus be created.

It will also be understood that the particular means for oscillating and moving the various elements may be varied to suit differing requirements. The construction illustrated has numerous advantages and is therefore preferred.

In general, it will be obvious that changes in the=details herein described and illustrated for the purpose of explaining the nature of my invention may be made by'those skilled in the art without departing from the spirit and scope of the invention as expressed in the appended claims. It is therefore intended that these details be interpreted as illustrative, and not in a limiting sense.

Having thus described my invention and illustrated its use, what I claim as new and desire to secure by Letters Patent is- 1. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, means for alternately directing said beam toward said screens, and a shutter for blocking said beam entirely between the alternations to prevent the projection of distortions during projection interruption.

2. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape. passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means including a movable reflector, means for intermittently interposing and withdrawing said reflector into and from the path of said beam, and a shutter for blocking said beam entirely during movements of the reflector to prevent the projection of distortions during projection interruption.

3. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the source of light arranged to project a beam through the tape, and means for alternately directingsaid beam toward said screens; said means comprising a movable reflector having angularly disposed reflecting surfaces, and means for intermittently moving the reflector to interpose said surfaces alternately into the path of said beam.

4. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means comprising a movable reflector having angularly disposed reflecting surfaces, and means for intermittently oscillating the reflector to interpose said surfaces alternately into the path of said beam.

5. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means comprising a movable reflector having angularly disposed reflecting surfaces, means for moving the reflector to interpose said surfaces alternately into the path of said beam, and a shutter for blocking said beam entirely during movements of the reflector to prevent the projection ofdistortions during projection interruption.

6. In a stock quotation projecting machine having a ticker adapted to mark and discharge screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means comprising an oscillatable member provided with angularly arranged reflecting surfaces, means for oscillating said member to interpose said surfaces alternately into the path of said beam, and a shutter for blocking said beam entirely during oscillations of said member to prevent the projection of distortions during projection interruption.

7. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means comprising an oscillatable member provided with angularly arranged reflecting surfaces, a movable shutter, and means for oscillating said member and moving said shutter in timed relation ship so as to interpose said surfaces alternately into the path of said beam and to block said beam entirely during oscillations of said member to prevent the projection of distortions during projection interruption.

8. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinally of the tape, the combination with a pair of screens, of a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means including an oscillating reflector, and means for intermittently rocking said reflector to and fro for intermittently interposing it into the path of said beam.

9. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape having reading matter readable longitudinally of the tape, the combination with a pair of spaced screens, of a common projecting device through which the marked tape passes, said device including a source of light arranged to project a beam through said tape, means for alternately deflecting the entire beam at rapid intervals into opposite directions to produce two pulsating subordinate beams, and reflecting means for intermittently directing said subordinate beams toward and onto said screens respectively to produce an erect and uninverted image of said markings on each of said screens simultaneously,

10. In a stock quotation projecting machine, the combination with a ticker adapted to discharge marked tape, of a pair of screens, and a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means including a pivoted reflector, a cam follower carried thereby, a cam, and a motor for rotating said cam to pivot said reflector so as to interpose the latter intermittently into the path of said beam.

11. In a stock quotation projecting machine, the combination with aticker adapted to discharge marked tape of a pair-of screens, and a projecting device through which the marked tape passes, said device comprising a source of light arranged to project a beam through the tape, and means for alternately directing said beam toward said screens; said means including a pivoted reflector, a cam follower carried thereby, a shutter, a cam carried by the latter, and means for simultaneously operating said shutter and cam so as to rock said reflector intermittently into the path of said beam and to blocksaid beam entirely during movements of the reflector.

12. In a stock quotation projecting machine having a ticker adapted to mark and discharge tape with reading matter readable longitudinal- 1y of said tape, and having a projecting device through which the marked tape passes, said device comprising a. source of light cooperating with said tape to produce a beam of light carrying traveling images of said reading matter, the combination of means for directing said beam alternately toward the pair of spaced screens, and a shutter for blocking said beam entirely between the alternations, to prevent the projection of distortions during 7 projection interruption.

13. The combination with a'pair of screens, of a projecting device through which marked tape passes, said device comprising a common source of light arranged to project a beam through the tape, means for alternately directing said beam toward said screens, a shutter for blocking said beam between alternations, and means for arresting said directing means during projection to prevent the projection of distortions.

AUGUST D. EITZEN.

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