LU101762B1 - Light and shadow casting device - Google Patents

Abstract

The invention relates to a light and shadow casting device. The light and shadow casting device has a fastening device for fastening the light and shadow casting device to a mobile phone which has a light source. The light and shadow casting device also has a holding device for holding a silhouette at a distance from the light source.

Description

04/28/2020. 031A0003LU | lu101762 | Description .

Title: Light and shadow casting device | The invention relates to a light and shadow casting device. | Usual light games or artificial starry skies for toddlers are | larger standalone devices that have one or more of their own. Light sources, optical devices such as lenses, mirrors or | Have reflectors, and electronics. Such plays of light or artificial starry skies are correspondingly large and have a | complex optics. In addition, there must be a suitable fastening point; or installation surface, such as B. the frame of a grid on a | Toddler bed or bedside table found next to such a bed.

in order to set up such a device for an operation. | Usual plays of light or artificial starry skies for small children are »therefore not easy to transport. In addition, the projected | moves Mostly not starry skies, unless the play of light shows a complex mechanism for creating a movement of the. projected starry sky. | It is therefore the object of the present invention to provide a light and | Specify shadow casting device that is easy to transport and | is easy to operate. . The task is carried out by a light and shadow device with a | Fastening device for fastening the light and | Shadow casting device on a mobile phone, which has a light source E, and with a holding device for holding a | Resolved a silhouette at a distance from the light source. In particular | the light and shadow throwing device according to the invention can advantageously L

04/28/2020: 031A0003LU | lu101762 | can be operated by almost everyone, except for small children, for example. |

The light and shadow throwing device according to the invention can | advantageously be small and light.

This will give a user | enables simple and convenient handling.

In addition, | a user can easily transport them and put them into operation quickly and without great effort.

It can especially be used in the dark or; when the surroundings are darkened or when the light is subdued Î be put into operation. :

'In particular, the light and | Shadow casting device practical, in contrast to the usual | Games of light or an artificial starry sky for toddlers, in a | Jacket pocket, just like or with a mobile phone;

Mobile phone. In the invention it can advantageously be used that a. Mobile phone provides a light source for casting a shadow |

The light and shadow throwing device according to the invention has the. Another very special advantage that the shadow cast on. easy way by moving the light and. Shadow casting device including the connected mobile phone along | the projection surface (e.g.

Wall or ceiling or | A child's duvet) can be moved around the child to | to chat.

On the other hand, one can use the light and | Also use the shadow casting device to make a | To support the toddler by means of the throws of light and shadow or to | accompany. | The light and shadow throwing device according to the invention can be so |

04/28/2020 | 031A0003LU 'lu101762 | be designed that stér light is at least largely avoided. : For this purpose, the light and shadow throwing device according to the invention | for example have a pipe, the pipe wall of which seals off glare, | so that on the one hand only the light from a light source of a |

Mobile phone reaches the silhouette through the interior of the tube and / or that, on the other hand, no extraneous light reaches the silhouette | got.

This is explained in more detail below for some advantageous embodiments.

In particular, in general | a lens of a light source of a cell phone for converging the light | come into play in a supportive manner. ; In an advantageous embodiment, the light and | Shadow casting device on a spacer which is arranged between the l fastening device and the holding device. |

The spacer advantageously maintains a certain spatial distance between a silhouette held by the holding device and the light source.

In particular, the fastening device and | be attached to the other end of the holding device.

As a result | the result is a stable structure for the light and shadow casting device, j In a particularly advantageous embodiment, the; Spacer on at least one tube.

A stable | Connection between the fastening device and the |

Holding device reached.

The light and shadow casting device is | by using a tube as a spacer at the same time easily | trained, |

The spacer can advantageously be a wire frame | instead of a tube exhibit.

By means of a wire frame, a | lightweight construction of the light and shadow casting device achieved | because a wire frame only contains thin and therefore wires |

04/28/2020 | 031A0003LU | lu101762 | needs. | In another advantageous embodiment, the spacer.

a wire frame or at least a rod. This means: additional fastening options for the fastening device and | the holding device on the wire frame or the at least one; Given rod. | In the embodiment already mentioned, in which the spacer | has at least one tube, the tube can particularly advantageously | be arranged in such a way that the light from a light source of a | Mobile phone through the interior of the tube to the f holding device or to a silhouette held by this | can get. As a result, there is interference that disturbs a user or third party, such as a small child, or the casting of shadows. worsened, sealed off by means of the, preferably opaque and / or non-translucent, pipe wall. By having Stériicht on this! This way, it is possible for a user to interfere with other functions of his mobile phone (for example editing e-mail.

Emails, using messenger services or other apps, etc.) | to use at the same time to cast a shadow. The sturgeon is avoided by the pipe wall and cannot get into the user's field of vision (except through the opening in the shadow line). As already explained, a lens of a light source of a | … - Mobile phone to bundle the light without glitches supporting the | Wear come. | In addition, the tube can also be designed telescopically and | thereby be adjustable in terms of its length. The advantage here is that | the distance between the holding device or one of the | Holding device held silhouette to the light source of the | Mobile phone in a simple manner to one of the user |

04/28/2020 | 031A0003LU Ë lu101762:

desired distance is adjustable.

For example, a user can do this;

Tube for transporting the light and shadow device | push together. |

In a particularly advantageous embodiment, a telescopic | Expandable and collapsible pipe realized by two form-fitting Ë pipe pieces plugged into one another.

A user can set;

a certain length of the spacer the pipe pieces | push together or pull apart.

Preferably here is;

it is provided that the pipe sections are inserted into one another in a clamping manner, so that: an adjustment of the length made by the clamping action;

of the two pipe sections is retained relative to one another until a different length is set.

For example, the interior of the; Pipe pieces have at least one outwardly curved wall, É in order to achieve the clamping effect.

In particular, the inner of the pipe pieces have several, in particular exactly two (preferably opposite one another), walls that are arched outwards. | Alternatively or additionally it is also possible that the exterior of the | Tube pieces has at least one inwardly curved wall in order to | to achieve the clamping effect. : Another advantage of a length-adjustable spacer is that Ë a shadow cast by a shadow line by means of the light source of a | Mobile phones on a wall next to a day nursery or on | a ceiling above a crèche or a cot | can be influenced.

This means that in particular the size and / or | the optical sharpness of the shadow cast by changing the | Distance between the light source and a silhouette set | can be.

In this respect, with such a simple structure, the |

Possibility of simple adjustment.

It doesn't have to be a complex | Optics are used because the light and | Shadow casting device preferably no point-to-point mapping |

04/28/2020 | 031A0003LU: lu101762:

requires.

Preferably there is no imaging optical component such as | for example a lens, a lens system and / or a concave mirror; available.

However, the provision of an imaging optical | Component or several imaging optical components not;

locked out.

Rather, at least one imaging optical | Component must be present in order to cast / maintain a particularly sharp shadow. | In particular, the tube, regardless of whether it is telescopic | is formed or not, in cross section basically any | Have shape.

The tube can advantageously have a rectangular or / square cross-section.

This creates a better haptic | Orientation of a user when grasping the light and | Shadow casting device on the pipe possible. | In particular, if the pipe is a square or | has a square cross-section, the pipe edges as an orientation for Ë attaching the light and shadow device to a; Use your mobile phone, for example, in such a way that it touches the pipe edges at the Ë

Attaching the light and shadow device to a mobile phone: Holds parallel or perpendicular to the edges of the mobile phone. :

In another advantageous embodiment, the spacer has | several rods by means of which the fastening device and the |

Holding device are multiple and thus stably connected. | In an embodiment that is particularly easy to manufacture, the | Spacer on at least one injection molded part.

The spacer can be | in this way, in particular, can be produced in one piece. |

In a particular embodiment, the spacer is made of | Acrylnitri-butadiene-styrene block copolymer (ABS) or polypropylene (PP) |

04/28/2020 | 031A0003LU | lu101762 | manufactured.

The use of these materials makes it possible to use a / spacer made of an opaque and / or non-translucent; Manufacture material that seals off interfering light particularly well.

In addition, | Components made from these materials are particularly stable | trainable.

Ë In an advantageous embodiment, the fastening device /

a stop element.

This advantageously means that the | User his mobile phone on the stop element in simple;

manageable way while he can put the light and | Shadow casting device, for example by means of a rubber band; attached to the mobile phone.

À In particular, the stop element can be designed in the shape of a frame;

so that light can fall through the stop element.

In advantageous; Thus, light from the light source of a mobile phone can be transmitted directly: through the ranmen-shaped stop element, and if the spacer Ë is formed by a tube, through the interior of the tube up to a | get hold of the holding device silhouette.

À

| In a particularly advantageous embodiment, this is | Stop element designed to be non-slip, this prevents: a mobile phone when attaching the light and | Shadow casting device or sliding out of the fastening position | largely avoided out.

Alternatively or additionally, the | Stop element be designed to be elastic, so that a gentle application à to the mobile phone is possible. |

In an advantageous embodiment, the stop element is made of silicone or EVA (ethylene-vinyl acetate copolymer) or rubber or a | Soft plastic produced or contains at least one of these | Materials.

In particular, these substances can also be used in combination |

04/28/2020 [031A0003LU | lu101762:

be included with each other in the stop element or that; Stop element can consist of different layers of such: materials.

This results in a particularly soft and / or dampened application of the fastening device to a mobile phone | and scratching of the mobile phone is avoided. / In a particularly easy to attach embodiment of the light and. Shadow casting device, the fastening device has an elastic | Tape on, Both ends of this tape can be attached to the |

Fastening device so that the remainder of the band | can be pulled over the mobile phone and the tape then a | Pulling force to hold the light and shadow device on the | Mobile phone exercises.

The elastic band therefore holds, especially the: mobile phone excitingly comprehensive, the light and Ë

Shadow casting device on the mobile phone. | In a particularly advantageous embodiment, the | Holding device a slot for inserting a silhouette;

on.

This gives a user a clear specification point for the |

- Insertion of a silhouette provided so that the attachment | the silhouette on the mounting device is facilitated. |

In another embodiment, the action device comprises a | Guide for a silhouette.

By means of the guide, tilting | of the silhouette when it is introduced into the holding device | be avoided.

In particular, the guide can be designed in this way be that it can lead as well as a holder for a | Silhouette, which was introduced into the holding device, forms. |

In another advantageous embodiment, the | Holding device at least one spring clip for holding a | Silhouette on.

This enables simple attachment by a |

April 28, 2020; | 031A0003LU | lu101762:

Clamping of a silhouette on the light and shadow casting device allows. . In particular, the spring clip can be designed such that a | The silhouette held by the spring clip perpendicular to the | Light propagation direction is movably mounted. ; In addition, the spring clip can be designed in such a way that it has a | Silhouette can hold in such a way that by one of the following;

Light from the light source of the mobile phone (if the light and ’shadow casting device is attached to the mobile phone) can fall as described in more detail.

Ë In particular, a silhouette can also have several light passages | have, wherein the spring clip can be designed such that,

through all these light passages simultaneously or sequentially (if the; silhouette is moved perpendicular to the direction of light propagation and there is a Ê corresponding sequential arrangement in the silhouette) light Ë from the light source of the mobile phone can fall. |

In addition, the spring clip can in particular be designed and | be arranged that a held by means of the spring clip; Silhouette mounted movably perpendicular to the direction of light propagation;

is.

In this way, a silhouette that contains several | having successive light passages are moved in such a way | that light falls through the light passages sequentially one after the other. | This means that through a different light passage opening with | of a different contour, each with a different shadow | sequentially one after the other is possible.

Here the | For example, shadows are cast on a room wall next to a |

Day nursery or next to a cot or on a ceiling | Can be done over a day nursery or over a cot. |

04/28/2020 | 031A0003LU; lu101762 |

A light and | is of particular advantage Shadow casting device set with a light and | Shadow casting device and at least one silhouette.

This means that | enables a mobile phone user to immediately:

Create shadows for your child on a room wall or ceiling.

A user can use the light and shadow casting device: including the inserted silhouette directly on a mobile phone | and immediately cast shadows on a | for his toddler Wall or ceiling above the crèche or the:

Throwing cot while doing other functions on the | Cell phone performs, such as reading his email.

In | Particularly advantageous use is made of the fact that the light source | of the mobile phone (and thus also the light | and shadow casting device attached to the mobile phone) on one side of the mobile phone | is arranged while the screen for operating the functions is on | the other side of the mobile phone is arranged. . In particular, the silhouette has at least one light passage opening on.

In particular, this can have such a contour that its |

- Shadows cast on a surface by means of a light source the image | a geometrical figure or a person or a celestial body | or an animal.

This enables a user to be |

To entertain the child in a suitable way in a playful way by giving him out | Objects taken from real life or from the world of fantasy | or people (for example, a Santa Claus or an angel) | brings it closer by casting a shadow and at the same time entertains it. | In particular, the silhouette can have several light transmission openings | have whose respective or (depending on the arrangement of the |

Light transmission openings) simultaneous casting of shadows is possible.

As a result | a user can easily give his child different | Convey shadows simultaneously or sequentially. |

04/28/2020 / 031A0003LU | lu101762: A mobile phone with a | is particularly advantageous light and shadow throwing device according to the invention or with a | light and shadow throwing device set according to the invention. This | Allows the user to have all devices for creating shadow images for entertainment of his child at hand and: immediately available. | In the drawing, the subject matter of the invention is shown by way of example and: schematically and is described below with reference to the figures: elements that are the same or have the same effect are also shown in | different exemplary embodiments are mostly provided with the same / reference symbols. Show: | Fig. 1 is a perspective view of a first embodiment of a | light and shadow throwing device according to the invention, one | Silhouette and a mobile phone, | Fig. 2 is a perspective view of the first embodiment of a.

Light and shadow casting device that holds a silhouette and | attached to a mobile phone, | 3 shows a cross section of a second embodiment of a | light and shadow throwing device according to the invention. | FIG. 1 shows a first exemplary embodiment of a light according to the invention and shadow casting device 1, a silhouette 2 and a mobile phone 3 | each in a perspective view. | The illustration shows a state before the silhouette 2 is in the 'holding device 4 of the light and shadow throwing device 1 | is introduced and held there. In addition, the light and |

04/28/2020 031A0003LU 12 lu101762 Shadow casting device 1 not yet attached to the mobile phone 3. The light and shadow throwing device 1 has a fastening device 5 for fastening the light and shadow throwing device 1 to the mobile phone 3, which contains a light source 6. In addition, the light and shadow casting device 1 has a holding device 4 for holding a silhouette 2 at a distance from the light source 6 of the cell phone 3 (when the light and shadow casting device 1 is attached to the cell phone 3). The holding device 4 has a slot 7 for inserting the silhouette 2. The insertion process is indicated schematically by means of an arrow starting from the silhouette 2 towards the slot 7, the state in which the silhouette 2 is completely inserted into the slot 7 | is inserted, is shown in Figure 2. | Between the fastening device 5 and the holding device 4 is | a spacer 8 is arranged, the spacer 8 has a tube 9 | with a rectangular cross-section, the tube 9 also | is telescopic; what by two sliding | - Pipe sections 10, 11, which are positively plugged into one another, realized. A | To adjust the spacer 8 to a certain length, the user can push the pipe sections 10, 11 together or pull them apart. In particular, the pipe section 10 is produced in one piece with that of the holding device 4. The pipe section 11 is made in one piece with a part of the fastening device 5, the fastening device 5 also having a stop element 12 which is formed by a frame 17 made of silicone, the frame 17 being glued and / or fastened in a latching manner.

As already explained, the silhouette 2 is not held in the holding device 4 in the situation shown in FIG. The condition at

04/28/2020 | 031A0003LU | lu101762;

which the silhouette 2 is held by the holding device 4 is shown in |

Figure 2 shown.

As will be described below, the silhouette is 2 | then completely inserted into the slot 7 of the holding device 4. |

The fastening device 5 also has an elastic band 13 for | Attaching the light and shadow casting device 1 to the mobile phone |

3 on.

Furthermore, the fastening device 5 has holes 15 through which |

| in each case one end of the elastic band 13 was threaded through and, after the / through-threading, was knotted with a transverse web 19 in order to avoid an unwanted |

To prevent the respective end of the tape from being pulled out of the respective hole 15 (a hole 19 is arranged on each of two opposite sides of the fastening device 5). |

The silhouette 2 has at least one light passage opening 14:

wherein the light passage opening 14 has a star-like contour 16, | so that its shadow cast on a surface by means of a light source 6 | generates a representation of a star.

The light passage opening 14 can |

For example, it can be produced by cutting out or punching out Ë. |

| FIG. 2 shows a perspective view of the first exemplary embodiment a light and shadow casting device 1 that holds a silhouette 2 | and which is attached to a mobile phone 3.

In this representation, | the silhouette 2 is already completely inserted into the slot 7. ;

The light and shadow casting device 1 is on the mobile phone 3 | fastened by the elastic band 13, which is used for fastening around the | Mobile phone 3 was placed, the mobile phone 3 includes exciting. | As a result, the light and shadow throwing device 1 with the |

Stop element 12, which is formed by a frame 17 made of silicone, / pressed against the mobile phone 3 in a form-fitting manner. |

04/28/2020 031A0003LU 14 lu101762 FIG. 3 shows a cross section of a second embodiment of a light and shadow throwing device 1 according to the invention | 5 includes a rectangular cross-section, the tube 9 also | Is designed like a telescope (see 0.). | This embodiment differs from the first | Embodiment in that the holding device 4 has a / 10 spring clip 18 instead of a slot 7.

The | Holding device 4 is shown here in the second | Embodiment formed by the spring clip 18 and is on the | from the mobile phone 3 facing away from the end of the pipe section 10 (when the | light and shadow casting device 1 is attached to the mobile phone 3) | 15 set.

A silhouette 2 can be created by a user by means of the spring clip 18 | be clamped in place, with the user turning the light and | Shadow casting device 1 in turn on a mobile phone 3, in the | 20 already described manner, by means of an elastic band 13 | can attach.

04/28/2020 | 031A0003LU | lu101762 | REFERENCE SIGNS LIST: | 1 light and shadow casting device | 2 silhouette} 3 mobile phone | 4 mounting device.

5 fastening device | 6 light source | 8 spacers J 9 tube | 10 pipe section | 11 pipe section | 12 stop element.

13 elastic band 14 light passage opening.

15 holes | 16 Star-like contour | 17 frame: 18 spring clip | 19 crossbar;

Claims (24)

04/28/2020 031A0003LU 16 lu101762 patent claims 1. Light and shadow casting device with a fastening device for fastening the light and shadow casting device to a mobile phone which has a light source, and with a mounting device for holding a silhouette at a distance from the light source. 2. light and shadow throwing device according to claim 1, characterized | characterized in that the light and shadow casting device has a spacer which is arranged between the fastening device and the holding device. 3. light and shadow casting device according to claim 2, characterized in that the spacer has at least one tube. 4 light and shadow throwing device according to claim 3, characterized | characterized in that the tube is telescopic and | is adjustable in terms of its length. | 5. light and shadow throwing device according to claim 3 or 4, {characterized in that the tube is square in cross section | or is square. | 6. light and shadow throwing device according to claim 2 to 5, characterized | marked that the fastening device, the pipe and | the holding device are arranged such that the light | the light source one on the light and shadow device | attached mobile phone through the interior of the tube - | arrives at the holding device. | 7. light and shadow throwing device according to one of claims 2 | to 6, characterized in that the spacer is a | Has wire frame or at least one rod. | | 04/28/2020 | 031A0003LU | lu101762 | 8. Light and shadow throwing device according to one of claims 2 | to 7, characterized in that the spacer at least | having an injection molded part. | 9. Light and shadow throwing device according to one of claims 2 | 5 to 8, characterized in that the spacer from | Acrylonitributadiene Styrene | Block copolymer (ABS) or made of | Polypropylene (PP) is made. | 10. Light and shadow throwing device according to one of claims 1 | to 9, characterized in that the fastening device | 10 has a stop element. | 11. Light and shadow casting device according to claim 10, characterized in | characterized in that the stop element is frame-shaped | is trained. | 12. Light and shadow throwing device according to claim 10 or 11, | 15 characterized in that the stop element | a. Silicone and / or b. Ethylene vinyl acetate (EVA) and / or | c. Rubber and / or. d. a soft plastic | 20 includes. | 13. Light and shadow throwing device according to one of claims 10 | to 12, characterized in that the stop element | is designed to be non-slip and / or elastic. | 14. Light and shadow throwing device according to one of claims 1 | 25 to 13, characterized in that the fastening device | has an elastic band. | 15. Light and shadow throwing device according to claim 14, characterized in that | characterized in that the elastic band is designed in such a way | 04/28/2020 | 031A0003LU | 18 | lu101762 | around the light and shadow casting device on a mobile phone, | especially exciting comprehensive to hold. | 16. Light and shadow throwing device according to one of claims 1 | to 15, characterized in that the holding device | 5 a slot for inserting a silhouette and / or a | Has guidance for the silhouette. | 17. Light and shadow casting device according to one of claims 1 | to 16, characterized in that the holding device | has a spring clip for holding a silhouette. | 10 18. Light and shadow throwing device according to claim 17, characterized in | characterized in that the spring clip is designed and | is arranged that a held by means of the spring clip | Silhouette is movably mounted perpendicular to the direction of light propagation ©. | 15th 19. Light and shadow projection set with a light and | Shadow casting device according to one of Claims 1 to 18 and | at least one silhouette. | 20. Light and shadow throwing device set according to claim 19, characterized in that | characterized in that the at least one silhouette is at least | 20 has a light passage opening. © 21. Light and shadow throwing device set according to claim 20, characterized in that | characterized in that the light transmission opening has such a | Contour has that its shadow cast on a surface by means of a light source a representation | 25 a. a geometric figure or | b. a person or | c. of a celestial body or | d. of an animal 04/28/2020 031A0003LU 19 lu101762 generated. 22. Light and shadow casting device set according to one of claims 19 to 21, characterized in that the silhouette has a plurality of light passage openings, the respective shadow casting of which generates a respective, in particular different, representation by means of a light source on a surface. 23. Mobile phone with a light and shadow casting device according to claim 1 to 18 or with a light and | Shadow casting device set according to one of claims 19 to 22. | 24. Using a mobile phone with a light source as a lamp for | a light and shadow casting device according to one of the | Claims 1 to 18 or for a light and | Shadow casting device set according to one of claims 19 to 22. l