WO1988002905A1

WO1988002905A1 - Drum for promotional material

Info

Publication number: WO1988002905A1
Application number: PCT/DE1987/000465
Authority: WO
Inventors: André Kulbach
Original assignee: Kulbach Andre
Priority date: 1986-10-14
Filing date: 1987-10-14
Publication date: 1988-04-21
Also published as: DE3634900A1; EP0267453A1; AU8080087A

Abstract

A drum for promotional material with one or several display surfaces (1) has two mutually-spaced reels (3) that can be driven in parallel and upon which the two ends of a belt (2) of advertising images are wound. Each reel (3) is directly linked by its axis to a stepping motor and both stepping motors (4) are connected to a control unit.

Description

- Λ -

Advertising drum

The invention relates to an advertising drum with a housing, in which one or more advertising surfaces are arranged, each of which is assigned two tracks that are spaced apart and parallel to one another and can be driven, on which a band of advertising images is wound with one end each.

Devices of this type are known in the prior art, in which a transparent and translucent tape is passed in front of an advertising surface acting as a window, shows a single image during a certain downtime and drives the spool to drive the tape by a predetermined amount Distance traveled until the next picture is faded into the advertising space. The content of the individual images, their expressiveness and presentation are to be chosen so that they have an eye-catching effect on the viewer and his decisions under

Use of psychological methods should be influenced in the desired manner. The success of this advertising measure is based on how long and intensively the advertising message remains imprinted on the largest possible group of people. The prerequisite for this is that the advertising presented first attracts the attention of the passers-by and is able to convey the desired advertising content to the viewer through an appealing and interesting statement. One of the prerequisites for achieving an eye-catching effect is a varied presentation and in particular also a rapid change of the individual images so that it is no longer recognizable to the viewer's eye.

Proceeding from this, the invention has set itself the task of further developing such advertising drums in such a way that the individual images of the tape can be changed much more quickly.

This object is achieved according to the invention in that each coil is fastened directly to a stepper motor via its axis, the stepper motors being connected to a control unit.

During the transport of the tape for setting the next individual image, both spools are then driven and moved directly, so that the front spool winding the tape does not have to accelerate the entire moving masses. By driving both coils, significantly higher acceleration values can be achieved both when pulling and braking the coil, with the result that a change in the images can no longer be seen with the naked eye. The direct arrangement of the stepper motor on the axis of the coil also makes a decisive contribution to this - the axis of the coil is then that of the stepper motor at the same time - so that no slip can occur between the movement of the motor and the coil. The result is direct and immediate power transmission. At the same time, due to the direct connection, the masses to be moved are minimal. Due to the changing and different winding diameters of both coils in the most general case, the stepper motors must perform an asynchronous movement. They are controlled via a control unit connected to them.

In a special embodiment, a DC motor is proposed as a stepper motor. Compared to the three-phase motors, which are also conceivable, the advantage lies in the possibility of applying higher torques and consequently the generation of larger accelerations both in the negative and in the positive sense.

Not only the generally different roll diameters, but also expansions of the belt in the running direction due to absorption of moisture, condensation and the like cause changes in the length of the belt or differences in the number of revolutions and the running time of the motors. In order nevertheless to achieve an exact setting of each individual image in the advertising area, it is proposed to preferably mark the edges on the tape with optical and / or magnetic markings which are detected and passed on to the control unit. They allow the exact determination of the position of each individual advertising image within the advertising space and accordingly a corresponding control of the motors.

It is advantageous to mount each stepper motor via elastic material, such as rubber, and / or to connect it to the axis of the stepper otores. This proposal takes into account the properties of the stepwise forward movement in stepper motors. In the event that the movement of the coil is too small to reach the first stage, the coil falls back into its starting position. Goes during the When the next pulse already moves backwards, the coil itself _^ is moved in the opposite direction due to the characteristics of the stepper motors. Of course, this is completely undesirable. It is crucial whether the first stage is not reached when the motor is switched on and the result is that the backward movement occurs as a result of the maximum wound coil - this corresponds to the operating state with maximum moment of inertia. If, according to the proposal according to the invention, the stepper motor is now mounted in elastic material and / or such a material is connected to the axis of the stepper motor, reaction forces arise during operation which move the stepper motor in the opposite direction, so that it is for the motor side Forces then becomes easier to pass through the angular range until the first step is reached, which is defined, on the one hand by the position of the stepper motor and on the other hand by the movement of the coil. The same applies to an axle connecting piece made of elastic material, on which torsion occurs when starting, so that the stepping motor is briefly and precisely at a moment when starting relative to the coil, and therefore rather reaches the first stage, which for Initiation of the movements in the correct direction of rotation must at least be achieved. If the wound part of the strip becomes smaller, the masses to be moved are reduced and the first stage when starting and moving is easily reached, so that such problems no longer occur.

As a rule, vibrations of the coil relative to the stepper motor will occur, which to avoid

However, do not transfer damage to the engine should be. For this purpose, it is preferred to make the connection between the axis of the coil and the stepping motor displaceable relative to one another, so that relative movements in the axial direction are possible and decoupling is achieved.

It is also advantageous to assign at least one guide rail between the spools to accommodate the lower and possibly the upper edge of the belt, thereby preventing the belt from slipping in the direction of gravity due to its own weight during transport. which would have the consequence that the individual advertising images would migrate downward out of the advertising area with increasing duration of use. It is advisable to use high-strength material for the guide rails, since otherwise, with the time of use, grooves are formed which wear the edge of the band and would lead to tears.

In contrast to the devices known from the prior art, which consistently use and use large-format and translucent images (banners), a further core idea of the invention is to use posters as advertising images and to build up the entire band from these, so that one can as a result receives a poster tape.

In particular, it is provided that the tape produced from the advertising images is moved in the horizontal direction. One of the advantages is then that in the case of rectangular posters whose height is greater than their width (this is the normal case), a larger number can be applied to one and the same spool. Chen movements in the vertical direction would not be possible.

It is already known to omit certain areas of the web in order to accommodate daily changing advertising, i.e. the so-called leaflet business, to create space so that advertising can be stuck on retrospectively and during operation, exchanged quickly and also removed again. It would then be too cumbersome to replace the entire coil. For such purposes in particular, it is advantageous to wind the tape on the spool in such a way that the outside comes to lie inwards. On the other hand, there is a risk that the individual glued-on pieces of paper, when they reach the spool, begin to detach on the edge due to the curvature of the tape and come to rest against the tape after about a full turn and are finally bent or detached. If the outside, which is the side of the tape pointing towards the viewer, comes to lie inward when it is wound up on the spool, detachment is impossible and the handouts are instead pressed firmly against the tape. Devices of this type are then suitable especially for daily advertisements.

It is advisable to store the coil separately in the housing, since, in the case of a direct connection, the warping of the housing triggered by the different temperature influences, solar radiation would be transmitted directly to the coils and their parallelism would end. The result would be an early defect.

With regard to the different requirements with regard to thermal behavior, stability, scratch Strength is proposed a housing made of sandwich material, which is preferably a thermoset on the outside.

In order to make the advertising images shown particularly easy to see and recognize, it is advisable to provide lighting in the area of the advertising space, with the aid of which the advertising images just shown are irradiated. Although it is fundamentally possible from the front or from the side, the back radiation in the manner of a fluoroscopy is of particular interest.

To uniformly illuminate the part of the tape located within the advertising space, a diffuser, often also called a matt screen, is attached between this and the actual lighting source, the function of which is to evenly distribute the radiation emitted by the light sources. In principle, it is irrelevant within the scope of the invention whether the diffuser is irradiated from the edge or from the rear. In the first case, it needs and has light-guiding properties.

For the special case of irradiation from behind with the aid of several light sources, lamellae made of diffuser material are arranged between them, so that the incident radiation is partly collected and directed to the actual diffuser. It is then achieved that the areas of less illumination which are being formed between the individual light sources are approximately matched to the other zone close to the light source. A more uniform and intensive illumination of the visible surface is also achieved if the slats between the light sources run parallel to both diffusers.

In a particularly significant further development, liquid crystals are applied to the advertising area in front of the tape. In a manner known per se, these are readily capable of generating fonts, letters and highlighting individual areas by appropriate control. In technical terms, advertisements of this type are called

Liquid crystal display (called LCD for short). In cooperation with the advertising image to be seen in each case, static or dynamically continuously moving fonts can be generated, certain areas of the advertising image can be darkened to simultaneously emphasize the remaining spaces, successive release of individual images and complete darkening of individual areas. When switched off, the LCD layer is clear and transparent and allows the advertising image to be recognized easily and unimpaired.

Optimal use of the advertising drum would be given if it were in operation in the presence of people, but switched off in the absence. For this purpose, the motor of the coil is provided with such a control in a further development, which responds either to a programmed clock and / or a Fernmeldelei device and / or a photoelectric barrier and / or a noise detector. With the help of the control, the advertising drum can be switched on during the most favorable times and off during the less favorable ones. With a control by a programmed clock, the advertising drum can be started during the day, for example, and switched off for the entire night in the evening. By linking to a Telecommunication line can be carried out via the telecommunications network command to switch on or off and the setting of certain advertising images. Both in the case of a photoelectric barrier and in the case of a noise detector, entry into the area surrounding the advertising drum is detected by a person by means of optical and acoustic devices and possibly used for switching on and for switching off the advertising drum. The control also allows different programs to be run as a function of the time of day and location and spontaneous changes to the advertising campaign to be carried out. By using a time-programmed pulse generator, the stepper motors can be controlled in such a way that each advertising image is assigned to the advertising space for a different length of time and any time that can be specified, for example, by means of a counter that is operated both for forward and reverse, the pulse generator can control the respective through the Recognize who is currently presenting the advertising image and set the pre-programmed length of stay. When this time has elapsed, the motor is started and the next advertising image is transported into the advertising area

Furthermore, in order to increase the functionality, the provision of deflection rollers in the area of the bobbins is provided, which support and facilitate the lifting of the tape from the one and also the application to the opposite bobbin, so that different winding diameters are compensated for and others by adhesion of Operational disturbances caused by the tape on the spool cannot occur.

In general, the advertising drum according to the invention will have to be set up outdoors and in particularly busy places. In order to guarantee operational safety even after rain and to avoid any to exclude the possibility of malfunctions, the waterproof design of the housing is intended. Regardless of this, it is advisable to fasten the housing on one foot for safety reasons. The smaller the diameter of the foot is, the more difficult it becomes for a person to hide behind the advertising drum without being discovered, in order, for example, to lurk passers-by with criminal intentions, as is often the case with advertising pillars. is coming. A pivotable connection between the housing and the base enables the direction of the advertising space and its visibility to be changed and adjusted.

All of the advertising drums described so far have an optical effect on the viewer. A significant improvement in the advertising effect can be achieved if, in addition to the eye, the ear is also addressed in a manner which supports the optical effect. For this purpose, a phono device is installed in the advertising drum, which feeds a loudspeaker. As a rule, a cassette recorder with both forward and rewind is used for this, the cassettes being recorded with music or advertising texts in synchronism with the correspondingly controlled advertising images. It would make sense to use cassettes which can be played back both in advance and in return.

To protect the advertising images but also the mechanical and electrical parts, the arrangement of a temperature and / or moisture regulator in the interior of the housing is advantageous. The temperature controller ensures an optimal working temperature throughout the trip and the humidity controller preferably sucks over one Filters air from the outside, which is then subjected to an air drying process to achieve the optimum moisture content.

Finally, to prevent wanton

Damage and destruction active and passive alarm systems intended for installation. In the event of a fault, the passive systems forward their signal to another location, for example to the command or computer center of a police station, while the active acoustic and / or optical signals emit to mobilize passers-by and residents.

More details, features and advantages of the

Invention can be found in the following descriptive part, in which an embodiment of the invention is described in more detail with reference to the drawing.

It shows a cross-sectional representation of an embodiment of the advertising drum according to the invention with two advertising surfaces arranged opposite one another.

in cross-section it can be clearly seen that each advertising surface 1 is assigned a tape 2, which is wound onto spools 3 with one end in each case. In order to achieve the aim of the fast transport of volume 2 according to the invention and consequently the adjustment and setting of the next advertising image in the advertising area 1 - the image change must take place so quickly that it can no longer be recognized by the viewer - is according to the Proposed by the invention, a coil motor 4 is assigned to each coil 3. Two step motors are then always put into operation for moving the belt 2 Inside the advertising space 1, the band 2 is irradiated from the back by an illumination 5. In the example specifically shown, it consists of four light sources 6 running perpendicular to the plane of the drawing in the form of fluorescent tubes. For uniform distribution of the light energy, a plate-shaped diffuser is arranged on the back of the band 2 within the advertising area 1, and additionally slats 8 running perpendicularly to it and between the light sources 6, which also serve to even out the illumination and to

Contribute light conduction to the diffuser 7. The result is a uniform illumination of the band 2 from the back.

To compensate for the changing winding radius of the

Coil 3 are deflection rollers 9 arranged to the side of the advertising surface 1, over which the belt 2 runs, so that the advertising surface 1 is always passed through and passed in the same position.

The device just described is located in a housing 10 which is equipped with a foot 11 for receiving the control unit.

A plate 12 made of liquid crystals is applied directly in front of band 2 in the area of the advertising surface. Corresponding settings can then be used to generate fixed or moving fonts, to formulate corresponding statements and / or to darken certain areas of the advertising image behind them, consequently to weaken them and to successively cover or release certain areas of the advertising images behind them .

It is not clearly visible that the winding of the tape 2 on the spools 3 takes place so that the Comes to lie inside on the coil. Then it is impossible that the handouts stuck on due to the daily business can come off and tear off at the edges.

The main advantage of the invention is that on a single advertising space 1, a large number of advertising images can be presented in any order and for individually specifiable periods of time and can be changed so quickly that this is no longer detectable by the human eye. With the installation of phono devices and loudspeakers, the advertisement can be acoustically repainted at the same time.

Claims

EXPECTATIONS

1. advertising drum, with a housing in which one or more advertising surfaces are arranged, each of which is associated with two spaced and parallel to each other and drivable coils, on each of which a tape of advertising images is wound with one end, since ¬ characterized, that each coil 3 on its axis directly on one

Stepper motor 4 is attached and both stepper motors 4 are connected to a control unit.

2. Advertising drum according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the stepper motor 4 is a DC motor.

3. Advertising drum according to claim 1 or 2, d a ¬ d u r c h g e k e n n e e c h n e t that on the tape 2 preferably markings of the optical and / or magnetic type are applied, which are detected and passed on to the control unit.

4. Advertising drum according to one of claims 1 to 3, characterized in that the stepping motor 4 via elastic material, eg rubber, mounted and / or connected to the axis of the stepper motor 4.

5. Advertising drum according to one of claims 1 to 4, that the connection between the axis of the coil 3 and the stepping motor 4 can be displaced relative to one another.

Advertising drum according to one of claims 1 to 5, g e k e n n e e c h n e t d u r c h arranged between the reels 3, the lower and possibly upper edge of the band 2 receiving guide rails, preferably made of high-strength material.

7. advertising drum according to one of claims 1 to 6, d a d u r c h g e k e n n z e i c h n e t that the advertising images are posters.

8. advertising drum according to one of claims 1 to 7, d a d u r c h g e k e n n z e i c h n e t that the advertising images move horizontally.

G. Advertising drum according to one of claims 1 to 8, so that the outside of the tape 2 is wound on the spool 3 lying inwards.

10. advertising drum according to one of claims 1 to 9, characterized by a separate storage of the coils 3 from the housing 10

11. Advertising drum according to one of claims 1 to 10, a housing 10 made of sandwich material, preferably a duroplastic on the outside.

12. Advertising drum according to one of claims 1 to 11, g e k e n n z e i c h n e t d u r c h back lighting of the part of the band 2 located in the advertising area 1.

13. Advertising drum according to claim 12, so that a diffuser 7, which is irradiated from the side or from the rear, is arranged on the rear side.

14. Advertising drum according to claim 12 or 13, so that when irradiation from the rear between the light sources 6 lamellae 8, which end either on the diffuser 7 or the light sources 6, preferably made of diffuser material, are arranged.

15. Advertising drum according to one of claims 1 to 14, characterized in that 2 liquid crystals are applied to the advertising surface 1 in front of the tape.

16. Advertising drum according to one of claims 1 to 15, d a d u r c h g e k e n n z e i c h n e t that the control unit via a programmed clock and / or a telecommunication line and / or a photoelectric barrier and / or a noise detector is adjustable or a time-programmed pulse generator.

17. Advertising drum according to one of claims 1 to 16, g e k e n n z e i c h n e t d u r c h deflection rollers 9 in the region of the coils 3.

18. Advertising drum according to one of claims 1 to 17, d a d u r c h g e k e n n z e i c h n e t that the housing 10 is watertight and / or in particular pivotally connected to a foot 11.

19. Advertising drum according to one of claims 1 to 18, d a d u r c h g e ke n n z e i c h n e t that a via a phono device such as. a cassette recorder powered speaker is available.

20. Advertising drum according to one of claims 1 to 19, g e k e n n z e i c h n e t d u r c h located in the interior of the housing 10 temperature or humidity regulator.

21. Advertising drum according to one of claims 1 to 20, g e k e n n z e i c h n e t d u r c h an active or passive alarm system.