TWI507809B - Projection apparatus scale, projection apparatus support, projection apparatus installation system, and the method utilized thereof - Google Patents

Description

Projection device positioning scale, projection device bracket and projection device mounting system and method using same

The present invention relates to a projection device positioning scale, a projection device holder, and a projection device mounting system and method using the same; in particular, the present invention relates to a projection device, a projection device bracket, and a projection device that can be aligned with a projection screen. Its projection device installation system and method.

The projection device has the advantage of outputting a large-size picture. With the advancement of the display quality, the projection device has been widely used in conference rooms, exhibition halls, and school classrooms. However, how to find a better location for mounting the projection device holder is still a major problem. For users who do not have experience in installation, it is often easy to fall into the difficulty of first determining the positioning point of the projection device bracket on the mounting surface, or determining the position of the projection screen first.

According to the prior art, only the distance between the projector and the mounting surface is known by the energy measurement, and the corresponding screen size cannot be known. The size of the screen must match the distance between the projector and the mounting surface. After referring to the manual, the required screen size and its position are known. If the resulting screen position does not meet the requirements, you need to re-position the projector bracket. In other words, even for those with experience in installation, it is necessary to adjust the relative distance between the projector and the positioning point, and adjust the positioning point and The relative distance of the projected size picture takes a lot of time. Therefore, the existing installation method of the projection device still needs to be improved.

The object of the present invention is to provide a projection device positioning scale, a projection device mounting system and method using the same, which can improve the assembly efficiency of the projection device.

Another object of the present invention is to provide a projection device holder that can integrate an installation distance and a predetermined screen size.

The projection device positioning scale is used for mounting the projection device bracket on the mounting surface, and the projection device can be mounted on the projection device bracket, and the projection device can project the first output display surface at the first projection position. The projection device positioning scale includes a body, a positioning mark area, and a display surface mark area. A reference plane is formed on the body. The positioning mark area is formed on the reference surface, and the positioning mark area includes the positioning mark to display the installation positioning point of the projection device bracket. The display surface indication area is formed on the reference surface and spaced apart from the positioning indication area by a distance in the first direction. The display surface indication area includes a first distance between the first display surface indication mark and the positioning mark in the first direction.

The projection device bracket is configured to mount the projection device to the mounting surface, the projection device can project the first output display surface at the first projection position, and the second output display surface can be projected at the second projection position, and the second output display surface is larger than The first output shows the surface. The projection device bracket includes a first bracket having an index, a second bracket slidably coupled to the first bracket along the extending direction of the first bracket, and a screen size indication disposed on the second bracket. The screen size indicator can be slid with the second bracket relative to the first bracket, so that the index is aligned at different positions of the screen size indication. The screen size indicator includes a first size indicator and a second size indicator arranged along the extending direction of the first bracket. The first size indication and the second size indication respectively correspond to the first output display surface and the second input of the projection device The display surface is displayed.

The projection device mounting system is for mounting a projection device on the mounting surface. The projection device mounting system comprises a projection device positioning scale and a projection device bracket, wherein the projection device bracket is disposed in the positioning indication area according to the positioning symbol, and the first display surface marking symbol and the first size indication correspond to the first output of the projection device Display surface.

The installation method of the projection device comprises the following steps: determining a boundary position of the projection image of the output image of the projection device on the mounting surface; setting a positioning device positioning scale on the mounting surface, so that the first display surface marks the mark to align the boundary position; and positioning the mark according to the positioning mark The projection device bracket is set in the area; and the projection device is mounted on the projection device bracket. By positioning the scale by the projection device, the position at which the projection device holder is mounted can be found according to the boundary of the desired projection image to improve assembly efficiency.

100‧‧‧Projecting device positioning ruler

101‧‧‧ Ontology

102‧‧‧ datum

110‧‧‧ Positioning area

110a‧‧‧First direction

110b‧‧‧second direction

112‧‧‧ Positioning marks

120‧‧‧Display surface area

120A‧‧‧First District

120B‧‧‧Second District

121‧‧‧First display surface marking

122‧‧‧Second display surface marking

123‧‧‧ Third display surface marking

200‧‧‧Installation surface

202‧‧‧Predetermined projection range

2021‧‧‧ border

300‧‧‧Projector bracket

302‧‧‧First bracket

302a‧‧‧Extension direction

303‧‧‧ Fixed Department

304‧‧‧second bracket

306‧‧ indicators

310‧‧‧Screen size indication

310A‧‧‧The first marked area

310B‧‧‧Second marked area

311‧‧‧ first size indication

312‧‧‧Second size indication

313‧‧‧ third size mark

400‧‧‧Projection device

401‧‧‧First output display surface

4011‧‧‧ border

403‧‧‧ third output display surface

600‧‧‧ screen

602‧‧‧Predetermined projection range

6021‧‧‧ border

D‧‧‧ spacing

S1‧‧‧ first distance

S2‧‧‧Second distance

S3‧‧‧ third distance

1A is a schematic diagram of an embodiment of a positioning scale of a projection apparatus according to the present invention; FIG. 1B is a schematic diagram of an embodiment of positioning a scale using the projection apparatus of FIG. 1A; FIG. 2A is a schematic diagram of another embodiment of a positioning scale of a projection apparatus of the present invention; 2A and 3B are schematic views showing an embodiment of a projection device holder according to another embodiment of the present invention; and FIG. 4 is a schematic view showing another embodiment of the projection device holder of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 6 to FIG. 10 are schematic diagrams showing an assembly process of a projection device mounting system according to the present invention; and FIGS. 11 to 13 are schematic views showing an assembly process of another embodiment of a projection device mounting system according to the present invention.

The projection device positioning scale of the present invention is used for finding a positioning point of a projection device holder on a mounting surface to find a predetermined projection position to assist in positioning the projection device holder to the correct position. Preferably, the projection device holder has a scale indicating a relative distance from the mounting surface, or another dimension on a particular scale to assist in confirming the size of the output screen of the projection device at a particular distance.

FIG. 1A is a schematic diagram of an embodiment of a positioning device 100 of a projection apparatus according to the present invention. As shown in FIG. 1A, the projection device positioning scale 100 includes a body 101. The body 101 is preferably formed in an elongated shape and preferably has flexibility. However, when the mounting surface is flat, the body 101 may not be flexible. Sex. The body 101 is preferably made of paper, film, film or other material. A reference surface 102 is formed on the body 101, and the reference surface 102 is preferably a surface facing away from the mounting surface at the time of mounting. Two reference blocks are formed on the reference surface 102, which are respectively a positioning mark area 110 and a display surface mark area 120, and a distance d between the display surface mark area 120 and the positioning mark area 110 in the first direction 110a. As shown in FIG. 1A, the first direction 110a is preferably the long direction of the elongated body 101. The location indicator area 110 includes a location mark 112 to display the mounting location of the projection device holder. The display surface indication area 120 includes a first display surface indication mark 121. As shown in FIG. 1A, the first display surface indication mark 121 includes a linear mark, which is preferably perpendicular to the first direction 110a. In addition, the positioning mark area 110 has a second direction 110b, the line mark is parallel to the second direction 110b, and the first display surface mark mark 121 and the position mark 112 are separated by a first distance S1 in the first direction 110a.

In an embodiment, the first display surface indicator 121 corresponds to the first output display surface. Please refer to the schematic diagram of the embodiment of FIG. 1B. For example, when the user aligns the line mark on the first display surface mark 121 with the boundary of the predetermined projection range, the aligned position The correct positioning point can be marked on the positioning mark 112. After the projection device is mounted, the edge of the first output display surface 401 output by the projection device may fall on the first display surface indication mark 121, and the second direction 110b represents the direction parallel to the edge of the first output display surface 401. Here, the edge of the first output display surface preferably refers to the upper edge. In addition, the first display surface indicator mark 121 can be marked with a corresponding size in addition to the line mark in addition to the alignment mark, for example, a note 68 beside the line mark of the mark 121 on the first display surface. In this way, if a 68-inch screen is to be played, the first display surface indicator mark 121 can be aligned with the boundary of the predetermined projection range to obtain an output screen of a corresponding size.

Similarly, the display surface indication area 120 includes the second display surface indication mark 122 aligned with the first display surface indication mark 121 along the first direction 110a. The second display surface indication mark 122 and the positioning mark 112 are separated by a second distance S2 in the first direction 110a, and the second distance S2 is greater than the first distance S1. In an embodiment, the second display surface indication mark 122 corresponds to the second output display surface, and the second output display surface is larger than the first output display surface. In other words, the output screen size corresponding to the second display surface indicator mark 122 indicates an output screen corresponding to the first display surface indicator mark 121. For example, referring to the schematic diagram of the embodiment of FIG. 1B, the projection device can further project the second output display surface 402. When the user aligns the line mark on the second display surface mark 122 with the boundary of the predetermined projection range and marks the correct positioning point, the edge of the second output display surface 402 output by the projection device falls on the second display surface. Mark 122. In addition, a corresponding size may be noted next to the linear mark of the second display surface indicating mark 122, for example, a note 70# beside the linear mark of the second display surface indicating mark 122. In this way, if a 70-inch screen is to be played, the second display surface indicator mark 122 can be aligned with the boundary of the predetermined projection range to obtain an output screen of a corresponding size.

On the other hand, the display surface indication area 120 can also be divided into different sections according to different output modes. As shown in FIG. 2A, display surface indicating area 120 includes first area 120A and second area 120B and is side by side across first direction 110a (eg, aligned perpendicular to first direction 110a). The first display surface indicator mark 121 and the second display surface indicator mark 122 are located in the first area 120A of the display surface indication area 120, and the second area 120B includes the third display surface indication mark 123. For example, the first area 120A represents a specification that the output picture is an Extended Graphics Array (XGA), and the first display surface indication mark 121 and the second display surface indication mark 122 represent different output sizes of the specification ( For example, 68吋 and 70吋), and the second area 120B represents the output picture is a Wide Extended Graphics Array (WXGA) specification, and the third display surface mark mark 123 represents one of the output sizes of the specification ( For example, 80吋). As shown in FIG. 2A, the third display surface indicator mark 123 and the positioning mark 112 are separated by a third distance S3 in the first direction 110a, and the third distance S3 is different from the first distance S1.

In an embodiment, the third display surface indicator mark 123 corresponds to the third output display surface. For example, referring to the schematic diagram of the embodiment of FIG. 2B, the projection device may further project a third output display surface 403. When the user aligns the line mark on the third display surface mark mark 123 with the boundary of the predetermined projection range, and marks the correct positioning point, the edge of the third output display surface 403 output by the projection device falls on the third display surface. Mark 123. In this way, the user can align the line mark on the first area 120A or the second area 120B with the boundary of the predetermined projection range according to the desired output mode and size to know the correct positioning point. With this design, the output screen size and positioning point can be integrated into a single scale, eliminating the need to find the installation instructions and repeatedly adjust the position in the conventional practice.

3A and 3B show the different use states of the projection device bracket 300 of the present invention. A schematic of an embodiment. As shown in FIGS. 3A and 3B, the projection device holder 300 is formed as an elongated bar member on which a fixed projection device can be mounted, that is, the projection device can be mounted to the mounting surface with the projection device holder 300. The projection device holder 300 includes a first bracket 302, a second bracket 304, and a fixing portion 303. One end of the first bracket 302 is connected to the fixing portion 303. The second bracket can be slidably coupled to the first bracket along the first bracket extending direction 302a. In the embodiment shown in FIGS. 3A and 3B, the fixing portion 303 is a portion that attaches the projector holder 300 to the mounting surface, and the second bracket 304 is connected to one end of the first bracket 302 away from the fixing portion 303. In addition, the first bracket 302 has an index 306, and the second bracket 304 is provided with a screen size indicator 310 that can slide with the second bracket 304 relative to the first bracket 302, so that the index 306 is aligned with different positions of the screen size indicator 310. In other words, when the different scales on the screen size indicator 310 are aligned with the index 306, the size of the screen output by the projection device on the mounting surface or screen can be known.

As shown in FIG. 3B, the screen size indicator 310 can also be divided into a first indicator area 310A and a second indicator area 310B according to different output modes, and the first indicator area 310A and the second indicator area 310B are perpendicular to the first bracket 302. Arranged in the extending direction 302a. The first indicator area 310A includes a first size indicator 311 and a second size indicator 312 arranged along the extending direction 302a of the first bracket 302. The third indicator area 310B includes a third size indicator 313. It should be noted that the first marking area 310A and the second marking area 310B are respectively the same drawing method as the first area 120A and the second area 120B of the projection device positioning scale 100, that is, the first on the projection device holder 300. The size indicator 311 and the second size indicator 312 respectively correspond to the size of the first output display surface and the second output display surface of the projection device (for example, 68吋 and 70吋 of the XGA specification), and the third size indication corresponds to the third output display. The size of the face (for example, 80吋 of the WXGA specification). In other words, the first size indicator 311 and the second size indicator 312 respectively correspond to the first display surface indicator mark 121 and the second display. The surface is marked with a symbol 122, and the third size indicator 313 corresponds to the aforementioned third display surface indicator mark 123.

For example, the projection device can project a first output display surface at the first projection position, a second output display surface at the second projection position, and the second output display surface is larger than the first output display surface. As shown in FIG. 3A, when the user aligns the first size indicator 311 with the indicator 306 on the first bracket 302, it means that the projection device outputs the first output display surface 401 at the first projection position. Similarly, as shown in FIG. 3B, after the second size indicator 312 is aligned with the indicator 306 on the first bracket 302, the projection device outputs the second output display surface 402 at the second projection position. In addition, if a different output mode is required, such as the screen of the WXGA specification, the user will align the third size indicator 313 with the index 306 on the first bracket 302, that is, the projection device outputs a third output display at this position. surface. In other embodiments, the screen size indicator 310 can also be adjusted to suit different designs. As shown in FIG. 4, one end of the second bracket 304 on the projection device bracket 300 is connected to the fixing portion 303, and the other end is slidably sleeved in the first bracket 302. The screen size indicator 310 of this embodiment is disposed on the second bracket 304 such that the indicator 306 can be aligned with the different positions of the screen size indicator 310 as the second bracket 304 slides relative to the first bracket 302. Thereby, in addition to reading the distance between the projection device and the mounting surface by the screen size indicator 310, the user can also know the corresponding screen size when the scale on the screen size indicator 310 is aligned with the index 306.

In summary, the projection device positioning scale 100 and the projection device holder 300 of the present invention together constitute a projection device mounting system for mounting the projection device 400 on the mounting surface 200. For the assembly procedure, please refer to FIG. 5. FIG. 5 is a flow chart of an embodiment of a method for mounting a projection device according to the present invention. As shown in FIG. 5, the projection device installation method includes the following steps:

S1010 determines the boundary position of the projected image of the projection device output image on the mounting surface.

The S1030 sets a projection device positioning scale on the mounting surface to align the first display surface marking mark with the boundary position.

The S1050 sets the projection device bracket in the positioning mark area according to the positioning mark.

The S1070 mounts a projection device on the projection device holder.

The S1090 moves the second bracket relative to the first bracket to align the indicator with the first size indicator.

6 to 10 are schematic views showing the assembly process of the projection device mounting system of the present invention. As shown in FIG. 6, a predetermined projection range 202 is selected prior to the mounting surface 200 to obtain a boundary 2021 of the predetermined projection range 202. Next, as shown in FIG. 7, the projection device positioning scale 100 is floated on the mounting surface 200 such that the first display surface indicates that the mark 121 is aligned with the boundary 2021, and the positioning mark 112 of the positioning indication area 110 is positioned on the mounting surface 200. point. As shown in FIG. 8, after the positioning point is marked, the projection device positioning scale can be removed, and then the drilling or positioning is performed on the positioning point, and the fixing portion 303 is fixed on the mounting surface 200 after the drilling or positioning operation is completed, The setting of the projection device holder 300 is completed. As shown in FIG. 9, the projection device 400 is then mounted on the projection device holder 300. Finally, as shown in FIG. 10, the second bracket 304 is moved relative to the first bracket 302 such that the first dimension mark 311 is aligned with the index 306. Since the first size indicator 311 corresponds to the first display surface indicator 121, and the first display surface indicator 121 and the first size indicator 311 correspond to the first output display surface 401 of the projection device 400, the projection device 400 at this time The output first output display surface 401 will fall within the predetermined projection range 202 illustrated in FIGS. 7-9 and align with the boundary 2021 of the predetermined projection range 202. In other words, the boundary 4011 of the projected picture formed by the first output display surface 401 is aligned with the first display surface indication mark 121 on the projection device positioning scale 100 shown in FIG. Therefore, after the predetermined projection range 202 is selected, the scale 100 can be positioned by the projection device. Know the correct anchor point. Then, using the relationship between the display surface marking symbol and the size indication having the output display surface corresponding to the same size, the screen size indicator 310 on the projection device holder 300 is used to find a corresponding size indication to complete the positioning.

In addition to the aforementioned implementation of projecting the screen directly onto the mounting surface, the projection apparatus mounting system of the present invention is also applicable to the case where the mounting surface 200 has a translational distance difference from a screen projection position such as a screen or a whiteboard. In other words, in addition to the foregoing embodiment, the projection device positioning scale 100 can be configured such that the display surface markings on the first region 120A and the second region 120B correspond to the case of directly projecting to the mounting surface 200, and the projection device positioning scale can also be used. 100 is designed such that the display surface marking on the first zone 120A corresponds to the case of direct projection to the mounting surface, and the display surface marking on the second zone 120B corresponds to a certain distance from the mounting surface 200 (eg, from the mounting surface 3). -5 cm). Similarly, the first marking area 310A and the second marking area 310B on the projection device holder 300 can be correspondingly changed in accordance with the design of the projection device positioning scale 100.

11 to 13 are schematic views showing the assembly process of another embodiment of the projection device mounting system of the present invention. As shown in FIG. 11, the mounting surface has a screen 600 (for example, an electronic whiteboard or a projection screen) that protrudes a certain distance from the mounting surface 200. A predetermined projection range 602 is first selected on the screen 600 to obtain a boundary 6021 of the predetermined projection range 602. Next, the projection device positioning scale 100 is attached to the mounting surface 200 and the screen 600. In the preferred embodiment, the body 101 of the projection device positioning scale 100 is flexible and thus bendable to conform to the engaged position of the mounting surface 200 and the screen 600. When the projection device positioning scale 100 is set, the third display surface is marked with the mark 123 aligned with the position of the boundary 6021, and the positioning point is marked on the mounting surface 112 on the mounting surface 200. Next, as shown in FIG. 12, the projection device holder 300 and the projection device 400 are disposed on the mounting surface 200 in the same manner as the foregoing steps. Finally, as shown in FIG. 13, the second bracket 304 is opposite to the first bracket 302. Move to cause the third size indicator 313 to align the indicator 306. Since the third size indicator 313 corresponds to the third display surface indicator mark 123, and the third display surface indicator mark 123 and the third size indicator 313 all correspond to the third output display surface 403 of the projection device 400, the projection device 400 at this time The output third output display surface 403 will fall within the predetermined projection range 602 depicted in FIGS. 11-12 and align with the boundary 6021 of the predetermined projection range 602. In other words, the boundary of the projection screen formed by the third output display surface 403 is aligned with the third display surface indicator mark 123 on the projection device positioning scale 100 shown in FIG. Therefore, after the predetermined projection range 602 is selected, the projection device 100 can be used to locate the correct positioning point. Then, using the relationship between the display surface marking symbol and the size indication having the output display surface corresponding to the same size, the screen size indicator 310 on the projection device holder 300 is used to find a corresponding size indication to complete the positioning.

With this design, the user can quickly find the positioning point corresponding to the required screen size and the relative distance between the projection device 400 and the mounting surface 200 in conjunction with the projection device positioning scale 100 and the projection device holder 300 to improve the assembly efficiency of the projection device 400. Compared with the existing assembly method, the installation method of the present invention can simplify the assembly process and reduce the complexity of assembly.

The present invention has been described by the above-described related embodiments, but the above embodiments are merely examples for implementing the present invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, modifications and equivalents of the spirit and scope of the invention are included in the scope of the invention.

100‧‧‧Projecting device positioning ruler

101‧‧‧ Ontology

102‧‧‧ datum

110‧‧‧ Positioning area

110a‧‧‧First direction

110b‧‧‧second direction

112‧‧‧ Positioning marks

120‧‧‧Display surface area

121‧‧‧First display surface marking

122‧‧‧Second display surface marking

D‧‧‧ spacing

S1‧‧‧ first distance

S2‧‧‧Second distance

Claims (12)

A projection device positioning scale for use on a mounting surface for positioning a projection device bracket, wherein the projection device bracket can be mounted with a projection device, and the projection device can project a first output display surface at a first projection position The positioning device of the projection device includes: a body having a reference surface formed thereon; a positioning mark area formed on the reference surface; wherein the positioning mark area includes at least a positioning mark to display an installation positioning point of the projection device bracket; And a display surface marking area formed on the reference surface and spaced apart from the positioning marking area by a distance in a first direction; wherein the display surface marking area comprises a first display surface marking and the positioning mark The first direction is separated by a first distance. The projection device positioning scale according to claim 1, wherein the positioning indication area has a second direction parallel to the first output display surface edge, the first display surface indication mark comprising a linear mark parallel to the second direction and perpendicular The first direction; the first display surface indicator corresponds to the first output display surface. The projection device positioning scale according to claim 2, wherein the display surface indication area comprises a second display surface indication mark arranged along the first direction and the first display surface indication mark, the second display surface is marked with a mark The positioning marks are separated by a second distance in the first direction, and the second distance is greater than the first distance. The projection device positioning scale according to claim 3, wherein the projection device further projects a second output display surface, wherein the second display surface indication mark corresponds to the second output display surface, and the second output display surface is larger than The first output displays a face. . The projection device positioning scale according to claim 1, wherein the display surface indication area comprises a first area and a second area side by side across the first direction, the first area comprising the first display surface indication mark, The second area includes a third display surface marking symbol, and the third display surface is marked with a mark A third distance is separated from the positioning mark in the first direction, the third distance being different from the first distance. The projection device positioning scale according to claim 5, wherein the first display surface marking symbol corresponds to the first output display surface of the projection device, and the third display surface marking symbol corresponds to one of the projection device projections The third output display surface, the first output display surface and the third output display surface respectively correspond to different specification output modes of the projection device. A projection device holder for mounting a projection device to a mounting surface, the projection device projecting a first output display surface at a first projection position; and projecting a second output display surface at a second projection position The second output display surface is larger than the first output display surface, and the projection device bracket comprises: a first bracket having an index; and a second bracket slidably coupled to the first bracket in the extending direction of the first bracket a bracket; and a screen size indicator disposed on the second bracket, and the indicator is aligned with the first bracket to align the indicator to different positions of the screen size indication; wherein the screen size indicator comprises a first size indicator and a second size indicator are arranged along the extending direction of the first bracket, the first size indicator and the second size indicator respectively corresponding to the first output display surface and the second output of the projection device Display surface. The projection device holder of claim 7, wherein the screen size indicator comprises a first marking area and a second marking area arranged perpendicular to the first bracket extending direction, the first marking area comprising the first size marking The second mark area includes a third size mark; wherein the first size mark corresponds to a size of the first output display surface, and the third size mark corresponds to a size of a third output display surface of the projection device The first output display surface and the third output display surface respectively correspond to different specification output modes of the projection device. A projection device mounting system for mounting a projection device on a mounting surface, comprising: a projection device positioning scale according to any one of claims 1 to 6; and a projection device bracket according to claim 7 or 8; The projection device holder is disposed on the positioning indication area according to the positioning mark, and the first display surface indication mark and the first size indication respectively correspond to the first output display surface of the projection apparatus. The projection device mounting system of claim 9, wherein a boundary of the first output display surface on the projection device positioning scale is aligned with the first display surface indication mark. A projection device mounting method using a projection device positioning scale and a projection device holder according to any one of claims 1 to 6, wherein a projection device is mounted on a mounting surface, the mounting method comprising the steps of: determining a projection device The output image is projected on a boundary position of the image on the mounting surface; the projection device positioning scale is disposed on the mounting surface, so that the first display surface mark is aligned with the boundary position; and the positioning mark is set according to the positioning mark a projection device holder; and the projection device is mounted on the projection device holder. The projection device mounting method of claim 11, wherein the projection device bracket comprises: a first bracket having an index; and a second bracket slidably coupled to the first bracket along the extending direction of the first bracket And a screen size indicator disposed on the second bracket, and the second bracket is slid relative to the first bracket to align the indicator to different positions of the screen size indication; wherein the screen size indicator includes a first a size indication, the first size indication and the first display surface indication mark correspond to a first output display surface of the projection device; The mounting method further includes moving the second bracket relative to the first bracket to align the indicator with the first size indicator.