TWI430170B - Electronic billboard - Google Patents

Description

Electronic board

The present invention relates to an electronic signage, and more particularly to an electronic signage for displaying information that can interact with a viewer.

Nowadays, winning customers through advertising has become an important means of selling products. Currently, the most widely used advertising device in outdoor or public places is an electronic billboard that can display dynamic or video advertising content, which can present products and promotional information to viewers with great brilliance. Because of the different sizes of electronic kanbans, the size of the electronic kanbans is often limited. The size of the displayed advertising content is often limited. The electronic kanban always displays the advertising content in a fixed proportion regardless of whether the viewer is far away or close to the kanban. In addition, most of the existing electronic billboards can only display preset media information and cannot interact with viewers.

In view of this, it is necessary to provide an electronic billboard that can change the display ratio and interact with the viewer to solve the above problem.

The present invention provides an electronic billboard that can change the display ratio and can interact with a viewer.

An electronic kanban includes a display unit and a storage unit, and the storage unit stores digital content for playing by an electronic kanban. The storage unit further stores a table of relationship between the viewer distance and the display ratio, and the viewer distance and the display ratio correspondence table definition The electronic kanban further includes: a distance sensing unit configured to detect a distance between the viewer and the electronic kanban, that is, a viewer distance; and a processing unit including a The mode selection module and a display proportional control module are configured to select a corresponding display mode according to a comparison result of the viewer distance and a predetermined distance. The display scale control module is configured to control the display unit to display according to the display ratio according to the viewer distance and the viewer distance and the display scale correspondence table in a specific mode.

The electronic kanban of the present invention can change the display scale and can interact with the viewer.

100‧‧‧Electronic board

10‧‧‧Display unit

20‧‧‧ Distance sensing unit

30‧‧‧storage unit

31‧‧‧Viewer correspondence between distance and display ratio

40‧‧‧Processing unit

41‧‧‧ mode selection module

42‧‧‧Display proportional control module

50‧‧‧Operating unit

12‧‧‧First display

13‧‧‧Second display

14‧‧‧Operator interface

151‧‧‧First display interface

152‧‧‧Second display interface

1 is a system block diagram of an electronic signage in a first embodiment of the present invention.

FIG. 2 is a schematic diagram of a table of correspondence between viewer distance and display ratio stored in a storage unit of the electronic signage of FIG. 1. FIG.

FIG. 3 is a schematic view showing the display state of the electronic signage in FIG. 1 when the viewer is at the first distance.

4 is a schematic view showing the display state of the electronic signboard of FIG. 1 when the viewer is at the second distance.

FIG. 5 is a schematic view showing the display state of the electronic signboard of FIG. 1 when the viewer is at the third distance.

FIG. 6 is a schematic view showing a display state of an electronic signboard according to another embodiment of the present invention.

The invention will be further described in detail below with reference to the accompanying drawings.

Please refer to Figure 1 and Figure 3. In this embodiment, the electronic kanban 100 is a long The square body includes a display unit 10, a distance sensing unit 20, a storage unit 30, a processing unit 40, and an operation unit 50.

The distance sensing unit 20 is configured to detect the distance between the viewer and the electronic kanban 100, that is, the viewer distance. The range or distance detectable by the distance sensing unit 20 can be set as needed, or the corresponding distance sensing unit 20 can be selected. In the present embodiment, the distance sensing unit 20 is an ultrasonic sensor disposed at one or more specific positions of the front surface of the electronic kanban 100, such as a central position of the lower frame. As is well known, an ultrasonic sensor includes an ultrasonic transmitter, an ultrasonic receiver, an arithmetic unit, and a timer. The ultrasonic transmitter emits an ultrasonic wave every time period t, which is greater than the interval between the time when the echo is received and the transmission time when the viewer is at the maximum distance, and the ultrasonic wave reaches the viewer to form an echo, and then the ultrasonic receiver receive. The timer records the time the ultrasound was transmitted and the time the echo was received. The arithmetic unit calculates the distance between the electronic kanban 100 and the viewer based on the time interval between the emitted ultrasonic wave and the received echo.

The storage unit 30 stores, in addition to the digital content for playing the electronic kanban and other related information, a table 31 of the viewer distance and the display ratio correspondence relationship, as shown in FIG. 2, the viewer distance and the display ratio correspondence table definition are defined. The corresponding relationship between the viewer distance and the display ratio is different. In an embodiment, each viewer distance in the viewer distance and display ratio correspondence table is a distance segment, for example, the distance of the viewer from the electronic kanban 100: Less than 3 meters is a viewer distance, 3 meters to less than 7 meters is another viewer distance, and so on, each viewer distance corresponds to a zoom ratio. In another embodiment, the larger the viewer distance, the larger the scaling ratio, that is, the viewer distance is linearly proportional to the scaling ratio.

The processing unit 40 includes a mode selection module 41 and a display scale control module 42.

The mode selection module 41 selects a corresponding display mode based on a comparison result of the viewer distance and a predetermined distance.

The display scale control module 42 controls the display unit 10 to display at a corresponding display scale according to the viewer distance and the viewer distance and display scale correspondence table.

Wherein, when there are a plurality of viewer distances sensed by the distance sensing unit 20, that is, when a plurality of viewers view the electronic board 100 at different positions, the display scale control module 42 calculates an average value of all viewer distances. The final average viewer distance is determined according to the average value, and then displayed according to the average viewer distance and the viewer distance and display ratio correspondence table at a corresponding display ratio.

In the present embodiment, the display mode includes a zoom mode and an interactive mode.

When the distance detected by the distance sensing unit 20 is greater than a preset distance LA, the mode selection module 41 selects the zoom mode and generates a zoom mode display command to the display scale control module 42. The display ratio control The module 42 determines the display ratio corresponding to the viewer distance according to the viewer distance and the viewer distance and the display scale correspondence table, and controls the display unit 10 to display the preset display content according to the display ratio.

When the distance of the viewer sensed by the distance sensing unit 20 is at least one less than the preset distance LA, the mode selection module 41 selects the interaction mode, controls the display unit 10 to be in the interaction mode, and controls the display unit 10 to display an operation. The interface, and the control operation unit 50 is turned on. After the operation unit 50 is turned on, an input control command can be generated in response to the user's operation in the operation interface.

When there is no viewer in the detection area, the display unit 10 displays the preset display content at the maximum scale.

Please refer to FIG. 3 and FIG. 4 together. FIG. 3 shows the display unit when the viewer is at the first distance L1. 10 is a screen displayed at a first display scale, and FIG. 4 is a screen displayed by the display unit 10 at a second display scale when the viewer is at the second distance L2. The first distance L1 and the second distance L2 are both greater than the preset distance LA, and the first distance L1 is greater than the second distance L2. Therefore, when the viewer is at the first distance L1, the display proportional control module 42 controls the display unit 10 to display the screen at the first display ratio, and when the viewer is at the second distance L2, the display proportional control module 42 controls the display. Unit 10 displays the picture in a second display scale. Since the first distance L1 is greater than the second distance L2, as shown in FIG. 3 and FIG. 4, the first display screen 12 displayed by the display unit 10 when the viewer is at the larger first distance L1 is larger than the viewer is smaller. The second display screen 13 displayed by the display unit 10 when the second distance L2 is displayed, that is, the display unit 10 displays the screen at a larger scale when the viewer is in a longer distance, and the display unit 10 when the viewer is in a relatively close distance A smaller scale shows the picture.

Referring to FIG. 5, if the viewer is at the third distance L3 and L3 is less than the preset distance LA, the mode selection module 41 controls the display unit 10 to be in the interactive mode, and controls the display unit 10 to display an operation interface 14, for example, The graphical user interface (GUI) is opened, and the control operation unit 50 is turned on for the viewer to operate the electronic kanban 100 to realize human-computer interaction. In the embodiment, the operating unit 50 is a touch panel. In other embodiments, the operating unit 50 can be a mouse, a five-way button, a keyboard, a gesture control module, or a combination of these input devices.

Referring to FIG. 6, in the embodiment shown in FIG. 6, the electronic signboard 100 is a large electronic signboard, and the electronic signage 100 is simultaneously displayed in a zoom mode and an interactive mode. The display unit displays a split screen interface, and the split screen interface includes a first screen. A display interface 151 and a second display interface 152. The first display interface 151 displays the picture in the zoom mode, The two display interface 152 displays an operation interface in the interactive mode for the user to select an operation. As described above, the display ratio of the screen displayed by the first display interface 151 is determined according to the viewer distance greater than the preset distance LA. In this way, the large electronic signage 100 can display the advertisement content to attract customers through the first display interface 151 in a zoom mode, and can present an operation interface on the second display interface 152 for a closer distance to view the enterprise information or products. Information, etc.

The electronic kanban 100 further includes a power supply module (not shown) for supplying power to the display unit 10, the distance sensing unit 20, the storage unit 30, the processing unit 40, and the operating unit 50.

It should be noted that the above-described embodiments are merely preferred embodiments of the present invention, and those skilled in the art can make other changes within the spirit of the present invention. All changes made in accordance with the spirit of the invention are intended to be included within the scope of the invention.

100‧‧‧Electronic board

10‧‧‧Display unit

20‧‧‧ Distance sensing unit

30‧‧‧storage unit

40‧‧‧Processing unit

41‧‧‧ mode selection module

42‧‧‧Display proportional control module

50‧‧‧Operating unit

Claims (7)

An electronic kanban includes a display unit and a storage unit, wherein the storage unit stores digital content for playing on an electronic kanban. The improvement is that the storage unit further stores a table of relationship between the viewer distance and the display ratio, and the viewer distance The correspondence table with the display ratio defines a correspondence relationship between different viewer distances and display ratios, and the electronic signboard further includes: a distance sensing unit configured to detect a distance between the viewer and the electronic signboard, that is, a viewer distance; a processing unit, comprising a mode selection module and a display proportional control module, wherein the mode selection module is configured to select a corresponding display mode according to a comparison result between the viewer distance and a predetermined distance; The display unit is configured to display the display unit according to the display ratio according to the viewer distance and the viewer distance and the display scale correspondence table, and the mode selection module is further configured to control the display unit to display an operation interface in the interactive mode. For users to interact. The electronic kanban of claim 1, wherein the mode selection module is configured to select the zoom mode when the distance sensed by the distance sensing unit is greater than a predetermined distance, and generate a zoom mode display command to the display scale control module, wherein the display scale control module is configured to determine the viewer distance according to the viewer distance and the viewer distance and the display scale correspondence table in the zoom mode The display scale is displayed, and the display unit is controlled to display the preset display content according to the display scale. The electronic kanban according to claim 1, wherein the display proportional control module is further used when there are a plurality of viewer distances sensed by the distance sensing unit. Calculating an average value of all viewer distances, determining a final average viewer distance based on the average value, and then controlling the display unit to display the display ratio according to the average viewer distance and the average viewer distance and display ratio correspondence table. Display the preset display content. The electronic kanban of claim 1, wherein the electronic kanban further comprises an operation unit, wherein the mode selection module is used when the distance between the viewers sensed by the distance sensing unit is less than a preset distance In the selection of the interaction mode, the control display unit displays an operation interface and controls the operation unit to be turned on. After the operation unit is turned on, the input control command is generated in response to the user operation. The electronic kanban of claim 4, wherein the operating unit is a touch panel, a mouse, a five-way button, a keyboard, a gesture control module, or a combination of these input devices. The electronic kanban according to claim 1, wherein the display unit displays the preset display content in a maximum ratio when there is no viewer in the detection area. The electronic kanban of claim 1, wherein the electronic kanban is displayed in a zoom mode and an interactive mode, and the display unit displays a split screen interface, the split screen interface including a first display interface and a second display The first display interface displays the screen in the zoom mode, and the second display interface displays an operation interface in the interactive mode for the user to select.