SE448792B - PROCEDURE AND DEVICE FOR ACCOMPLISHING INDICATION POINTS OR SIMILAR PRIOR TO INFORMATION BOARDS OR SIMILAR - Google Patents

Description

448 792 2 vice versa substantially perpendicular to the plane of the tray, which magazine and which board constitute mutually separate and completely corresponding units, whereby when transferring a tray to the board or the element magazine the tray is made to be included by the board resp. the element magazine, where for each pair of corresponding positions a washer is present.

The invention also relates to a device for providing indication points or the like at mainly information boards or the like, where each point is intended to be achieved by means of an individually actuatable indication element arranged to predeterminedly assume an indication condition constituting one of at least two different conditions, and wherein characters, such as letters, are intended to be formed by predetermined elements of a board assuming said indicating state, there being means for predetermined influencing said elements, where an indicating point on the board is intended to be provided by means of an indicating element, which is arranged to be transferred to a predetermined position on the board from a corresponding and at least during the transfer, next to the position on the board existing position on a tray magazine corresponding to the board or vice versa, wherein in said positions devices are present for retaining the tray. and where the element is permane nt ferromagnetically and is intended to be transmitted between said positions by means of at least one electromagnet and where the board and the magazine comprise portions of ferromagnetic material for retaining the element.

The device is characterized in particular in that each indicating element, as per se essentially known, consists of a washer and in that at least and preferably an updating position is present comprising said electromagnet (s) arranged for predetermined actuation of washers for their intake of said corresponding positions, where, where applicable, the washers are arranged to be transferred from the element magazine to the board or vice versa substantially perpendicular to the plane of the tiles, which element magazine and which board constitute separate and completely corresponding units arranged to comprise a tray transferred to the unit , where there is a tile for each pair of corresponding positions.

The invention is described in more detail below in connection with an exemplary embodiment and the accompanying drawings, in which f - Fig. 1 schematically shows a section AA according to Fig. 2 through a first embodiment of a device according to the invention, Fig. 3 448 792 - Fig. 2 shows the device Fig. 1 seen from below in Fig. 1, - Fig. 3 shows a section corresponding to that shown in Fig. 1, where an arrangement according to the invention for providing an indication point is shown in more detail, - Fig. 4 shows an indication point according to Fig. 3, seen in the way it is intended to be viewed on the board, - Fig. 5 schematically shows a perforated position for an indicator plate according to the invention seen in a section corresponding to that shown in Fig. 3, and - Fig. 6 schematically shows an embodiment, where compartments are present for retaining an indicator plate.

In Fig. 1, 1 denotes a first endless belt, running and driven over end rollers 2, constituting the informative part of the device, the board, wherein two parallel belt paths 3 are formed, one of which 3 is intended to be viewed and the second Å is intended to run synchronously along a corresponding belt path 6 of a second belt 5 arranged in a manner corresponding to the belt 1, which by means of end rollers 2 forms two parallel belt paths 6,7, the second belt 5 constituting a magazine for indicator plates, as further commented below.

Each band 1, 5 comprises a two-dimensional grid of well-defined positions for information points 9,9 'or, preferably, rows of positions 9 arranged along and across the band. Each indication point 10 on the board 1, marked in black in Fig. 2, is intended to be provided by means of a permanent ferromagnetic indicating washer 11 or the like, as schematically shown in Fig. 1 and in more detail in Fig. 3, which washer 11 is arranged to by means of at least one electromagnet 13, 13 of suitable type, comprising coil lä and iron core 15, are transferred to a predetermined position 9 on the board 1 from a corresponding position 9 'on the tray magazine 5 or vice versa. The electromagnets l2, l3 are arranged at an update position 16, the two rows of magnets l2, l3 resp. present, where a magnet is present at each position 9,9 'resp. and on the reverse side l ', 5' resp. of the belt in relation to said positions. It is conceivable to use only one row of electromagnets l2, l3.

The board 1 and the magazine 5 comprise portions of ferromagnetic material, whereby the washer 11 is retained in said position 9,9 ". For example, the belts 1.5 are made of suitable steel. 448 792 '* The permanent ferromagnetic part 17 of the washer 11 is so polarized that its two sides 18, 19 parallel to the plane of the washer have different polarity.

In the embodiment shown in Fig. 3, each position 9,9 'is defined by an edge-provided holder 20 arranged at the belt 1, 5 the washer 11 having a shape corresponding to the holder 20 so that displacement of the washer parallel to its plane is prevented. Suitably the holder is of flexible plastic and the tray is given a suitable shape by means of a part 21 enclosing the part 21 of preferably plastic.

Conveniently, between the part 17 and the portions of ferromagnetic material, the band, a gap is formed, whereby removal of the washer 11 from the ferromagnetic portion is facilitated. The gap is formed according to Fig. 3 by means of the holder 20 and parts of the housing 21.

An indication point can be achieved either by a tray 11 being present in a position 9 on the board 1 or by the tray being missing in said position.

Embodiments, Fig. 5, are also conceivable where each position comprises a hole 22 and where the strip path 3, intended to be viewed, is illuminated from behind, marked with the lamp 23, whereby an indication point is provided by a washer 11 covering the hole 22 or missing, so that the hole is left open.

Embodiments are also conceivable, where only two mutually parallel paths Ä, 6, strip portions or the like, are present, as in Fig. 3, which paths are stationary and where one H constitutes a board and the other 5 constitutes a magazine and where the board is arranged therewith. to be viewed from below in Fig. 3.

In this case, there are only magnets 13, which are arranged on a ramp running across the web 6, which is suitably slidable along the web 6, whereby the board can be updated by the chips either being attracted or repelled by the magnets and thereby assuming a position on the magazine 6 resp. on the board Å. In this case, each position on the board comprises a hole 22, as according to fig.

S, intended to be covered or left open by means of a washer 11, whereby by illuminating the board 6 from behind, from inside, indication points can be achieved.

Of course, devices (not shown) of substantially known type are present for supplying information regarding the desired "print" on the board and for controlling the current to the coils of the magnets 12, 13, so that a predetermined polarity then prevails at a predetermined position 9, 9 'passes the magnet or vice versa.

Embodiments are also conceivable where each washer 11 or the like is transferred to the board from the magazine or vice versa other than by means of electromagnets, for example pneumatically, wherein at least one compressed air nozzle 5 448 792 or the like is present at each position 9,9 ', with which nozzle the washer can be blown in the direction from the nozzle. It is also conceivable that the washer is sucked in the direction of the nozzle. Mechanical displacement of each washer is also conceivable, for example by means of electromagnetically actuated actuators.

Embodiments are also conceivable where each washer is not permanently ferromagnetic and is held in position 9,9 'by means of portions of ferromagnetic material of the board resp. the magazine, without instead having a compartment Zh or the like at each position, the tray being inserted into the compartment when it is transferred to the position comprising the compartment and removed from the compartment when it is transferred from the position comprising the compartment, as schematically shown in fig. 6.

The method as well as the function of the device according to the invention should appear in essential parts above. In the embodiment shown in Figs. 1-3, an indication point is thus achieved by transferring the magnetic washer 11 from the magazine to the board or vice versa, whereby by the current direction in each coil of the electromagnet the polarity of the magnets is controlled so that desired movement of the washer is obtained by attraction and repulsion. By successively updating each row 9,9 'of each other corresponding rows running in the width width of the bands by means of the rows of electromagnets 12,13, as the rows of positions 9,9' synchronously pass the updating position 16, the desired signs on the board 1 are obtained. The movement of the tapes is suitably sensed and after updating the entire tape length, the tapes can continue to run without the influence of the magnets 13, 13, the desired printing at regular intervals passing the tape path 3 of the board 1, which is intended to be viewed. Alternatively, after updating a certain band length corresponding to the part 3 intended to be viewed, this band length can be brought to a standstill in "visible" position.

The function of stationary belts or the corresponding and movable magnetic ramp should be obvious in the light of the description above.

As will be apparent from the above, the method and device according to the invention enable an information board to be provided at a low cost due to its simplicity, whereby the operational reliability is very high, when complicated mechanical or luminous indicating elements are missing. The need for maintenance is low. Also important is the great speed with which the update can be performed.

The invention has been described above in connection with essentially an exemplary embodiment. Of course, more embodiments and minor changes are conceivable, without departing from the spirit of the invention. 448 792 Thus, in the embodiment according to Fig. 1, more updating positions with rows of magnets 13, 13 can be arranged next to the belts, whereby the updating speed can be increased.

The configuration in which the belts 1, S run can of course be varied within wide limits with the additional condition that the belts must run synchronously next to each other at least at said update position.

Furthermore, of course, the size of said trays 11 can be varied within wide limits, which is a significant advantage of the method and device according to the invention. In this case, the permanent ferromagnetic part 17 can be substantially smaller than the washer.

The embodiment is also conceivable at a stationary plate 4 and magazine 6, where an electromagnet or the like is present at each position, tray position, instead of arranging a displaceable ramp, as described above.

The invention is thus not to be considered limited to the above-mentioned embodiments, but can be varied within the scope specified by the appended claims.

Claims (11)

448 792 7 Patent claims A method for providing indication points or the like at mainly information boards or the like, where each point is provided with an individually actuatable indication element, which predetermined assumes an indication state constituting one of at least two different states, and where signs, such as letters or the like are trained - by assuming predetermined elements of a board, said indicating state, where an indicating point on the board is achieved by transferring an indicating element or the like to a predetermined position on the board from an equivalent and at least during the transfer, next to the position on the board existing position on an element magazine corresponding to the board or vice versa and is retained in said position and where the element is permanently ferromagnetic and transmitted by means of at least one electromagnet and is held in said positions by means of board resp. magazine portions of ferromagnetic material, characterized in that indicating elements (11), where the indicating elements (11) are constituted by washers (11), as is known per se substantially, are caused at at least and preferably an updating position (16) comprising said electromagnet (s) (12,13) predetermined to assume one of said corresponding positions and thereby, where applicable, be transferred from the element magazine (5,6) to the board (1, Ä) or vice versa substantially perpendicularly against the plane of the tray, which magazine and which board constitute mutually separate and completely corresponding units, whereby upon transfer of a tray (11) to the board or element magazine the tray is made to be included by the board resp. the element magazine, where for each pair of different corresponding positions (9,9 ') there is a washer. 2. Procedure acc. claim 1, characterized in that the board (1) consists of an endless, driven belt (1) comprising a plurality of predetermined tile positions (9), such as rows of tile positions (9) running along and across the belt, and in that magazine (5) consists of a corresponding endless, driven belt (5) and of said belt (1,5) being made to run synchronously next to each other at at least one updating position (16) and of bringing each indicating tray at said update position predetermined to assume one of said corresponding positions (9,9 ') of the board (1) resp. the magazine (5) by means of at least one of preferably two opposing electromagnets (12,13) or equivalent, one at each position (9,9 ') and on the reverse side (1', 5 ') of the belt (1,5), 448 792 3. Procedure acc. claim 1, characterized in that the board (Ä) consists of a stationary band portion (Å) or the like arranged parallel to a corresponding, stationary band portion (6) or corresponding constituent magazine (6) and in that electromagnets ( 13) or the like is displaced along, in relation to the washers (11), the front side (5 ') of the magazine (6) for transferring washers (11) between said positions (9,9'). hrs. 4. Procedure according to claim 1, 2 or 3, characterized in that an indication point (10) is provided by a washer (11) either being present in a position (9) on the board (1, Å) or missing in said position. 5. Procedure according to claim 1, 2, 3 or 4, characterized in that each position (9) on the board (1, h) comprises a hole (22), which is covered or left open by a tray (11) and in that the board is illuminated from behind, from inside, whereby a dark resp. luminous indication point (10) is provided. Device for providing indication points or the like at mainly information boards or the like, where each point is intended to be achieved by means of an individually actuatable indication element arranged to predeterminedly assume an indication state constituting one of at least two different states, and where signs, such as letters, are intended to be formed by predetermined elements of a board assuming said indicating state, wherein devices for predetermined actuation of said elements are present, where an indicating point on the board is intended to be provided by means of an indicating element, which is arranged to be transferred to a predetermined position on the board from a corresponding and at least at the stirring, adjacent to the position on the board existing position on a tray magazine corresponding to the board or vice versa, wherein at said positions there are devices for retaining the tray and where the element is permanently ferromagnetic and is intended to transfer between the said positions by means of at least one electromagnet and wherein the board and the magazine comprise portions of ferromagnetic material for retaining the element, characterized in that each indicating element (11), as is known per se, consists of a tray (11) and in that at least and preferably an updating position (16) is present comprising said electromagnet (s) (12, 13) arranged for predetermined actuation of washers (11) for their occupying said corresponding positions, where, where applicable, the washers (11) are arranged to be transferred from the element magazine (5,6) to the board (1, ë) or vice versa substantially perpendicular to the plane of the tiles, which element magazine and which board constitute separate from each other completely equivalent- ÅS? 448,792 units arranged to comprise a washer transmitted to the unit, where for each pair of corresponding positions (9,9 ') a washer (11) is present. 7. Device according to claim 6, characterized in that the board (1) consists of an endless driven belt (1) comprising a plurality of predetermined tray positions (9) and in that said magazine (5) consists of a corresponding endless driven belt (5) and in that said belts (1,5) are arranged to run synchronously next to each other at at least one update position (16), at which for transferring each washer (11) between said positions (9,9 ') at least one but preferably two opposing electromagnets (12,13) or the like are present, one at each position and on the reverse side (1 ', 5') of the band (1,5) in relation to said position (9,9 '). 8. Device according to Claim 6, characterized in that there are two parallel strip sections (Å, 6) or the like, which sections are stationary and one of which (A) constitutes a panel (A) and the other (6). is a tray magazine (6) and in that there is a ramp running across the magazine with electromagnets (13) or the like in positions corresponding to said tray positions (9,9 '), which ramp is suitably displaceable along, in relation to the trays (11). ), the front side (5 ') of the magazine (6) for transferring washers (11) between the magazine (6) and the board (A). 9. Device according to claim ß 7áler8, characterized in that each position (9) on the board (1,4) comprises a hole (22) intended to be covered or left open by a washer (11) and in that devices (23) are present for illuminating the board (1, A) from behind, from the inside, whereby a dark or luminous indication point (10) can be provided. 10. Device according to claim 6, 7, 8 or 9, characterized in that each position (9,9 ') is defined by an edge-provided holder (20), said washer (11) having a shape corresponding to the holder (20), so that displacement movement of the washer (11) parallel to its main plane of extension is prevented. 11. Device according to claim 6, 7, 8, 9 or 10, characterized in that a gap is formed between the permanent ferromagnetic part (17) of each bridge (11) and said portion of ferromagnetic material by means of, for example, said part (17) enclosing housing (21), thereby facilitating the removal of the washer from the portion of ferromagnetic material.