JP2015047864A - Double side magnet sheet used for white board and projection screen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double side magnet sheet having both functions as a white board and a projection screen.SOLUTION: A single surface of a double side magnet sheet has a white board function and a rear surface of the double side magnet sheet has a screen function. A surface according to a usage purpose is used as a front side, and a rear side and a magnetic substance face is used by being adhered by magnetic attraction force.

Description

The present invention relates to a double-sided magnet sheet having both functions as a whiteboard and a projection screen.

In companies, etc., conferences using projectors are held, and a whiteboard for board writing and a projection screen for projecting images from the projector are necessary. Because construction is not possible, whiteboards and screens cannot be fixed to walls or ceilings. Therefore, a stand-type whiteboard or a stand-type screen is used, and there is a problem that a limited room space cannot be effectively used to install or store both.

Since many tenant-type companies are constructed with steel partitions, there are an increasing number of cases where magnetic whiteboards and magnetic screens are attached to steel partitions.

However, there are many problems in terms of space when attaching both the magnet type white board and the magnet type screen at the same time, and having both of them always leads to an increase in cost.

At schools in recent years, projectors with electronic blackboard functions have become widespread, and there are voices that want to project on a whiteboard in order to easily use both a board and a projection screen. However, conventional whiteboards are too glossy on the surface, causing reflections and reflections of external light and light sources, making it difficult to see images, making them unsuitable for projection surfaces, Since the projection is too low in reflection, there is a problem that the image is dark and the color cannot be clearly projected. Therefore, there are an increasing number of cases where conventional whiteboards and blackboards are replaced with projection-compatible whiteboards.

Even a projection-ready whiteboard cannot completely prevent reflection or reflection of outside light or light source, but it has both a whiteboard function and a screen function.

However, replacement to a projection-ready whiteboard requires work, leading to increased costs.

Conventional screens have less external light and light sources than conventional whiteboards, but the screen itself is cloth-like and is unstable, such as being easily affected by wind. Since writing or the like cannot be performed on the screen, it is not suitable for use with a projector with an electronic blackboard function.

JP-A-11-15078 JP 2006-334850 A

Providing both a stand-type whiteboard and a stand-type screen leads to an increase in cost and there is a problem that a limited space cannot be effectively used.

Conventional general screens are cloth-like, easily affected by wind, etc., and are unstable, making it impossible to perform operations and writing necessary to use the electronic blackboard function on the screen. Therefore, it is not suitable for use with projectors with electronic blackboard function.

Providing both a magnet type whiteboard and a magnet type screen leads to an increase in cost, and a space is required to attach both to a steel partition at the same time. Necessary.

The replacement to a projection-enabled whiteboard requires work and leads to increased costs.

The screen proposed in Patent Document 1 has a whiteboard function, but there is a problem that the marker is difficult to disappear as compared with a conventional whiteboard. It is necessary to own a whiteboard, leading to increased costs.

Although the whiteboard proposed in Patent Document 2 suppresses gloss and reflection, it can be projected because it suppresses reflection and reflection of external light and light source compared to a conventional whiteboard. There is a problem that the projection screen is inferior to the screen because it cannot completely prevent reflection and reflection.

As described above, there is a proposal to use both the whiteboard function and the screen function, but there are advantages and disadvantages, and the whiteboard function and the screen function cannot be sufficiently exhibited.

It has a whiteboard function on one side of a double-sided magnet sheet, a screen function on the back side, and the surface according to the intended use is front side.

Since it is attached with magnetic attraction force, when changing the surface to be used, it is peeled off from the wall surface of the magnetic material, the surface to be used is made the front side, and the back side is attached with the magnetic material surface and the magnetic adsorption force.

Since it is not necessary to have both a whiteboard and a screen, the cost can be reduced and the limited space can be used effectively.

Since it is used by being attached to a magnetic surface such as a steel partition, an existing blackboard or a whiteboard, the operation of the electronic blackboard function and the writing of characters can be performed stably.

Since the sticking is performed by the magnetic attraction force, it is possible to easily change the whiteboard surface to the screen surface, change the screen surface to the whiteboard surface, or change the height to be used.

If pasted on a conventional blackboard, a part or the whole of the conventional blackboard can be used as a whiteboard or a screen, and the replacement work is unnecessary, leading to cost reduction.

1 is a schematic cross-sectional view of a double-sided magnet sheet for both whiteboard and screen according to the present invention. It is a schematic perspective view which shows the sticking method at the time of whiteboard surface use by this invention. It is a schematic perspective view which shows the sticking method at the time of screen surface use by this invention.

The whiteboard surface 1 has a whiteboard function and can be written and wiped with a whiteboard marker. In addition, it is possible to make the whiteboard surface 1 less glossy and reflective than the conventional whiteboard, and since there is reflection or reflection of external light or light source compared to the conventional screen, the image is easy to see. Is inferior, but can be projected.

The screen surface 2 has a screen function and can be projected by a projector.

One side of the double-sided magnet sheet 3 is the whiteboard surface 1 and the back side is the screen surface 2. When the whiteboard surface 1 is used, the screen surface 2 is magnetically attracted to the steel partition 4 or the like. When the screen surface 2 is used by sticking with force, the whiteboard surface 1 is used by sticking with the steel partition or the like 4 with magnetic attraction force.

Since it is attached with magnetic attraction force, the use surface can be easily changed as necessary, and the height and place of use can be easily changed.

1 Whiteboard surface 2 Screen surface 3 Double-sided magnet sheet 4 Steel partition, etc.

Claims (1)

A double-sided magnet sheet for both whiteboard and screen, which has a whiteboard function on one side of a double-sided magnet sheet and a screen function on the back side of the double-sided magnet sheet.

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