KR102467341B1 - Olfactory digital signage system - Google Patents

Abstract

The present invention relates to a technology capable of maximizing an advertising effect by stimulating the sense of smell using a smell by generating a fragrance in conjunction with an advertisement output through digital signage.
A service server for setting a certain number of pixel areas in a frame of an advertisement image according to the present invention as a perfume information area and generating and storing a content image in which perfume control information is stored in the pixels of the perfume information area instead of RGB information; A display disposed on the front of the body to output an image, a fragrance emitting device disposed inside the body and provided with a plurality of fragrance liquids to emit fragrance corresponding to at least one fragrance liquid, and contents received from the service server. At the same time as outputting an image through a display, it is configured to include a signage including a control means for controlling to generate a fragrance by combining the fragrance liquid selected through the fragrance emitting device based on the fragrance control information extracted from the content video The fragrance control information includes fragrance information for selecting a fragrance liquid, compounding information for setting a compounding amount of the selected fragrance liquid, and injection information for setting the amount of fragrance generated by the combined fragrance liquid. do.

Description

Olfactory digital signage system {Olfactory digital signage system}

The present invention relates to a technology capable of maximizing an advertising effect by stimulating the sense of smell using a smell by generating a fragrance in conjunction with an advertisement output through digital signage.

Advertisers are looking for other advertising media with a high advertising effect due to the decline in advertising effectiveness of the four major media, TV, radio, newspapers, and magazines. Due to the decline, it is positioning itself as an advertising medium that replaces the existing analog signboards or posters.

In general, 'Digital Signage' is a convergence platform that displays images and information on display screens or projectors in public or commercial spaces and remotely manages them through a network, and is sometimes referred to as 'outdoor advertising'.

These digital signage devices are installed in large buildings with large floating populations, such as terminals, government offices, bus stops, department stores, subways, airports, hotels, hospitals, and public places where many people stay for a certain period of time, such as shopping malls, movie theaters, and restaurants. information such as news or advertisements, promotional videos or advertisement videos, and the like, and the demand for them is continuously increasing.

However, in the current advertising method using digital signage, it is difficult for most users to simply watch and pass by the content encountered through digital signage, or to remember it for a long time even if they are interested.

In particular, this problem becomes more noticeable when the digital signage is installed in a place where there are many users and frequent movement, such as a street or an underground passage.

1. Korea Patent Registration No. 10-1559313 (Name: System for providing customized advertising service using digital signage)

Therefore, the present invention was created in view of the above circumstances, and at the same time as outputting an advertisement video with digital signage, by generating a fragrance corresponding to the fragrance control information obtained from the advertisement video, the interest in the advertisement is improved and the advertisement Its technical purpose is to provide an olfactory digital signage system that can maximize the effect.

According to one aspect of the present invention for achieving the above object, a certain number of pixel areas in a frame of an advertising video are set as a fragrance information area, and fragrance control information is replaced with RGB information recorded in pixels corresponding to the fragrance information area. A service server for generating and storing a stored content image, a display disposed on the front of the body to output an image, and a plurality of fragrance liquids disposed inside the body to emit fragrance corresponding to at least one fragrance liquid to the outside. At the same time as outputting the fragrance emitting device and the content image received from the service server through the display, generating the fragrance by combining the fragrance undiluted solution selected through the fragrance emitting device based on the fragrance control information extracted from the content image It is configured to include a signage including a control means for controlling so that the fragrance emitting device includes a plurality of fragrance source containers in which different fragrance source liquids are accommodated, a fragrance source valve provided at the outlet of the fragrance source container, an outlet of each fragrance source container, and A mixer for mixing the flavor solution while being communicated to generate a fragrance corresponding to the combined flavor source solution, and a flavor cartridge composed of a mixer valve provided at the outlet of the mixer, Disposed at the front end of the flavor source cartridge and discharged from the mixer outlet It is configured to include an exhaust fan that diffuses the fragrance to the outside of the signage body, and the fragrance control information includes fragrance information for selecting a fragrance liquid, compounding information for setting the amount of the selected fragrance liquid, and combined It is configured to include spraying information for setting the amount of fragrance generated by the scented liquid, and the control means includes at least one fragranced liquid information corresponding to the fragrance code, a valve control signal corresponding to the compounding code, and a spray code corresponding to the spraying code. The valve control signal is stored in advance, and based on the fragrance information and mixing information of the fragrance control information, the fragrance valve corresponding to the fragrance liquid is controlled to set the mixing amount of the fragrance liquid, and the mixer valve is based on the injection information. There is provided an olfactory digital signage system, characterized in that for adjusting the amount of fragrance spray emitted through the exhaust fan by controlling.

In addition, the control means selects a scent source container containing a scent source solution corresponding to the fragrance information, generates and transmits a valve control signal of a PWM behavior corresponding to the formulation information to a scent source valve disposed at the outlet of the selected scent source container, and sprays There is provided an olfactory digital signage system, characterized in that configured to transmit the valve control signal of the PWM behavior corresponding to the information to the mixer valve to discharge the combined antiseptic solution through the mixer drive.

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In addition, the content image is characterized in that it is configured to include fragrance control information configured by storing a fragrance code in a first pixel of the frame, a compounding code in a second pixel, and a spraying code in a third pixel. An olfactory digital signage system is provided.

In addition, in the content image, perfume information including the number (N-1) of perfume concentrates to be combined is stored in the perfume information area of the first frame, and composition information for each perfume concentrate solution to be combined for each frame is stored in the second to Nth frames. It is stored sequentially, and the olfactory digital signage system is provided, characterized in that the injection information is stored and configured in the N+1th frame.

In addition, the service server sets a place code to output the corresponding content image for each content image and stores it in a database, and the signage searches the database for a content image with a place code corresponding to its location in the service server. There is provided an olfactory digital signage system, characterized in that configured to download.

In addition, the signage monitors the amount of fragrance agent used to determine the replacement time for each fragrance agent container in which the fragrance agent solution is stored, and if there is a fragrance agent container that is the replacement time, the fragrance agent cartridge containing the fragrance agent information and signage information is replaced. There is provided an olfactory digital signage system characterized in that for transmitting the guide information to the service server.

According to the present invention, by generating a fragrance corresponding to the fragrance control information obtained from the advertisement image at the same time as outputting the advertisement image with digital signage, it is possible to increase interest in the advertisement and maximize the advertisement effect.

1 is a diagram showing a schematic configuration of an olfactory digital signage system according to a first embodiment of the present invention.
FIG. 2 is a view illustrating the external shape of the signage 100 shown in FIG. 1;
FIG. 3 is a block diagram showing the configuration of the signage 100 shown in FIG. 1 by functionally separating it.
FIG. 4 is a diagram for explaining a frame structure of a content image generated by the service server 200 shown in FIG. 1;
Fig. 5 is a view for explaining the internal configuration of the signage 100 shown in Figs. 1 and 2;
6 is a view for explaining the operation of the olfactory digital signage system shown in FIG. 1;
FIG. 7 is a diagram for explaining in more detail a content image and fragrance output step (ST500) in the signage 100 in FIG. 6;
8 is a diagram for explaining the configuration of an olfactory digital signage system according to a second embodiment of the present invention.

The embodiments described in the present invention and the configurations shown in the drawings are only preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so the scope of the present invention is limited to the embodiments and drawings described in the text. should not be construed as being limited by That is, since the embodiment can be changed in various ways and can have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, the scope of the present invention should not be construed as being limited thereto.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless defined otherwise. Terms defined in commonly used dictionaries should be interpreted as being consistent with meanings in the context of related art, and cannot be interpreted as having ideal or excessively formal meanings that are not clearly defined in the present invention.

1 is a diagram showing a schematic configuration of an olfactory digital signage system according to a first embodiment of the present invention.

Referring to FIG. 1, the olfactory digital signage system according to the present invention includes a signage 100, a service server 200, and a manager terminal 300.

The signage 100 is a display device installed indoors or outdoors, and in the present invention, the signage 100 is configured to output a content image and emit a fragrance.

As shown in FIG. 2, in the signage 100, the display 110 is disposed on the front surface of the body 101 having an internal space of a certain size, and a plurality of antiseptic liquids are provided in the internal space of the body 101, so that at least There is provided a fragrance emitting device 120 for generating a fragrance corresponding to one fragrance liquid to the outside, the fragrance emitting device 120 is arranged so that the fragrance is emitted toward the front side where the display 100 is disposed. In addition, a cover 102 having a structure that can be opened and closed so that a manager can withdraw the perfume emitting device 120 is disposed at a position where the perfume emitting device 120 is disposed on the rear side of the body 101. In addition, moving means 103 such as wheels may be provided on the lower side of the body 101 to facilitate movement.

The service server 200 receives advertisement images (including publicity images) to be provided through the signage 100 from the partner company 1 and stores them in the database 210 . At this time, the service server 200 sets a certain number of pixel areas in the frame of the advertisement image provided from affiliated companies as the fragrance information area, and stores fragrance control information in place of RGB information in the pixels of the fragrance information area, thereby create a video In addition, play information including a content video and an output schedule of the corresponding content video is stored in the database 210 . In this case, the play information may include information about a place to output the corresponding content video.

In addition, the database 210 stores signage management information for managing a plurality of signage 100 installed in different locations along with play information. As the signage management information, a signage map including location information where the signage 100 is installed is stored, and a place code including a plurality of signage locations located in a certain area may be added to the signage map.

In addition, the service server 200 provides the device management information provided from the signage 100 to the manager terminal 300 to request supplementation of insufficient device cartridges.

The manager terminal 300 is a communication terminal of a manager who manages a plurality of signage 100 installed in different locations, and includes a desktop computer, a laptop computer, a smartphone, a personal digital assistant (PDA), a portable multimedia player (PMP), It may be a communication device capable of accessing a network, such as a tablet PC, and the type is not limited.

FIG. 3 is a block diagram showing the functional separation of the internal configuration of the signage 100 shown in FIG. 1. Referring to FIG.

Referring to FIG. 3 , the signage 100 includes a display 110, a perfume emitting device 120, a data communication unit 130, a data storage 140, and a control unit 150.

The display 110 is a display means for displaying and outputting an image, and may be formed of an LCD or LED.

Perfume emitting device 120 emits fragrance to the outside in conjunction with the image output through the display 110 under the control of the control means 150.

The data communication unit 130 communicates with the service server 200 to transmit/receive image information to be output through the signage 100 and guest management information. At this time, a firewall is installed in the data communication unit 130, and a pull method of downloading image information from the service server 200 in the control means 150 is applied.

The data storage 140 includes signage operation information including the corresponding signage location code, content image, and schedule information, at least one fragrance liquid information corresponding to the fragrance code, a valve control signal corresponding to the compounding code, and injection Various signage operation information including scent control registration information including a valve control signal corresponding to the code and a place code corresponding to the corresponding signage location are stored.

The control means 150 outputs the content image received from the service server 200 through the display 110, and at the same time, based on the fragrance control information extracted from the content image, the perfume source solution selected through the fragrance emitting device 120 are combined to control to generate fragrance.

The control unit 150 includes a data collection unit 151, a schedule information generation unit 152, an image processing unit 153, a fragrance processing unit 154, and a perfume management unit 155.

The data collection unit 151 downloads play information including content images from the service server 200 and stores it in the data storage 140 . At this time, the data collection unit 151 may search the database 210 of the service server 200 for new play information set with the same place code as the corresponding signage place code, download it, and store it in the data storage 140. .

In addition, when the download of the new play information is completed, the data collection unit 151 performs an error check on the corresponding new play information.

The schedule information generator 152 generates schedule information based on play information stored in the data storage 140 . When new play information is normally additionally stored in the data storage 140 through the data collection unit 151, the schedule information generation unit 152 updates the schedule information so that a content image corresponding to the new play information is reproduced.

The schedule information includes the display time and output method for each content, and the output period including sequential repetitive reproduction, specific time, date, and week.

In addition, the schedule information generation unit 152 calls the content information to be output at the current time according to the schedule information registered in the data storage 140, transmits the corresponding content image to the image processing unit 153, and The fragrance control information is extracted from and transmitted to the fragrance processing unit 154.

At this time, in the content image, as shown in FIG. 4, a preset pixel area of each frame F in the content image is set as a perfume information area 10, and perfume control information is recorded in the perfume information area 10. . The fragrance control information includes fragrance information for selecting a scent source solution, mixing information for setting a compounding amount of the selected fragrance source solution, and dispensing information for setting an amount of fragrance generated by the combined fragrance source solution.

4 illustrates a state in which the first to third pixels P1 , P2 , and P3 at the top of the frame F are set as the perfume information area 10 . At this time, each pixel P may be provided with 3-bit information corresponding to the RGB signal, and in FIG. 4, the first pixel P1 has 3-bit fragrance information and the second pixel P2 has 3-bit combination information. , 3-bit injection information is recorded in the third pixel P3.

The image processing unit 153 displays and outputs the content image through the display 110 . At this time, the image processing unit 150 decodes the video and audio contents and converts them into data formats that can be displayed through the display 110 .

The perfume processing unit 154 generates a perfume control signal for driving the perfume emitting device 120 based on the perfume control information of the content image. Perfume processing unit 154 selects a fragrance source based on the fragrance information recorded in the first pixel of the fragrance control signal, generates a valve control signal for the selected fragrance source based on the combination information recorded in the second pixel, and generates a valve control signal for the third pixel. Based on the injection information recorded in the mixer valve control signal and fan driving information for discharging the combined fragrance source to the outside are generated. In addition, the fragrance control signal is transmitted to the fragrance emitting device 120 to control the fragrance of the fragrance source in which at least one fragrance source liquid is combined to be generated to the outside.

The fragrance management unit 155 calculates the amount of fragrance liquid for each fragrance source based on the valve control signal for each fragrance source generated by the fragrance processing unit 154, counts the cumulative amount of fragrance liquid used, and compares the accumulated amount of fragrance liquid with the maximum amount of fragrance liquid If the current remaining usage amount is less than the preset reference value, the perfume cartridge replacement guide information including the perfume code is generated and transmitted to the service server 200 through the communication unit 130.

That is, according to the present invention, perfume control information is stored in a frame of a content image, so that perfume control information can be provided more simply without requiring separate hardware or software for transmission and reception of perfume control information.

In addition, considering that a playback video is generally composed of 60 frames per second, since perfume control information can be transmitted in frame units, more precise perfume control is possible.

On the other hand, Figure 5 is a view for explaining the configuration of the fragrance emitting device 120.

Referring to Figure 5, the fragrance emitting device 120 is provided with a fragrance cartridge 122 and an exhaust fan 123 inside the cylindrical body 121, the outside of the exhaust fan 123 of the signage. A discharge portion 124 having a funnel structure having a radius increasing toward the outside is formed and configured.

At this time, the fragrance cartridge 122 is disposed detachably from the body 121.

In the fragrance cartridge 122, a plurality of fragrance containers 122A containing about 10 different fragrance liquids are arranged at regular intervals, and a fragrance valve 122B is disposed at the outlet of each fragrance container 122A. , A mixer 122C communicating with the outlet of the flavor source valve 122B of each flavor source container 122A and mixing different flavor source liquids flowing from the flavor source container 122A is disposed, and at the outlet of the mixer 122C, a mixer valve ( 122D) is placed.

In addition, the fragrance valve (122B) and the mixer valve (122D) is a high-speed electronic valve, it opens and closes at high speed according to the PWM signal applied from the perfume processing unit (154). That is, the opening and closing time and frequency of the valve are set according to the PWM signal.

In addition, the exhaust fan 123 is operated by a motor (not shown) and is disposed in front of the output end of the mixer 122C to emit a fragrance corresponding to the fragrance liquid mixed in the mixer 122C to the outside.

Subsequently, the operation of the olfactory digital signage system having the above configuration will be described with reference to the drawing shown in FIG. 6 .

First, the fragrance cartridge 122 including a plurality of fragrance containers 122A in which different fragrance liquids are stored is stored in the fragrance emitting device 120, and fragrance source combination information for each fragrance code, that is, the fragrance in which the fragrance liquid is stored The container position information, the PWM signal corresponding to the opening and closing speed of the control valve 122B for each mixing code, the PWM signal corresponding to the opening and closing speed of the mixer valve 122D for each injection code, and the exhaust fan 123 driving speed control signal Perfume generation information including a is pre-registered in the data storage 140.

Meanwhile, when an advertisement video is received from an affiliate, the service server 200 generates fragrance control information for generating a fragrance corresponding to the advertisement video, and stores the generated fragrance control information in a preset fragrance information area of the corresponding advertisement video frame. insert to create a content video. At this time, the fragrance information may be selected from an affiliated company or may be set based on video contents in the service server 200 .

Then, the service server 200 registers a content image including fragrance control information and play information including output schedule information in a database, and transmits newly registered alarm information to the signage 100 (ST100, ST200). ). At this time, the service server 200 may transmit new registration alarm information to the signage 100 located in the output target place of the corresponding content video, and the new registration alarm information may include a play code of newly stored play information. ..

The signage 100 accesses the service server 200 based on the new registration alarm information received from the service server 200, searches the database 210 for a new play code, and retrieves play information corresponding to the play code. is downloaded and stored in the data memory 140 (ST300). At this time, the signage 100 may search for and download new play information in which a location code corresponding to its own location code is set.

Next, the signage 100 generates schedule information including the output time of the content video using the previous play information stored in the data memory 140, including the new play information, and updates the data memory 140 based on this Do (ST400).

Thereafter, the signage 100 displays and outputs the content video through the display 110 according to the updated schedule information, and generates a fragrance corresponding to the content video through the fragrance emitting device 120 (ST500).

At this time, the signage 100 calculates the usage amount of the scent concentrate solution according to the fragrance and updates the cumulative usage amount of the scent concentrate solution in real time (ST600).

Signage compares the updated cumulative amount of fragrance liquid and the maximum amount of fragrance liquid to determine the replacement time of the fragrance container containing the fragrance liquid (ST700). It generates and transmits the replacement cartridge replacement guide information to the service server 200 (ST800).

The service server 200 provides information on replacement of the light source cartridge to the manager terminal 300 so that the manager can replace the light source cartridge of the corresponding signage 100 in a timely manner. At this time, the manager can replace only the fragrance source container corresponding to the fragrance source code in the fragrance source cartridge.

FIG. 7 is a diagram for explaining in detail the content image and fragrance output step (ST500) in the signage 100 in FIG.

Referring to FIG. 7 , the signage 100 extracts perfume control information recorded in a preset perfume information area in a content video frame to be currently reproduced (ST510). That is, the signage 100 extracts fragrance control information including a fragrance code, a compounding code, and an injection code.

The signage 100 acquires at least one selected fragrance source location information based on the fragrance code extracted from the fragrance control information (ST520). For example, in the data storage 140 based on the fragrance code of “010” extracted from the first pixel P1 in FIG. 7 Set flavor concentrate as the selected flavor source.

In addition, the signage 100 generates a PWM type fragrance valve control signal for emitting a corresponding amount of fragrance source based on the combination code of the fragrance control information (ST530). For example, on the basis of the combination code of "001" extracted from the second pixel P2 in FIG. generate control signals.

In addition, the signage 100 generates a PWM type mixer valve control signal for discharging the fragrance liquid mixed in the mixer 122C based on the dispensing code of the fragrance control information (ST540). For example, valve control for controlling the opening and closing speed of the mixer valve 122D of the mixer 122C in which the combined anti-aging liquid is generated based on the injection code of “011” extracted from the third pixel P3 in FIG. 4 (B) generate a signal

Next, the signage 100 transmits a control valve control signal to the scent valve corresponding to the scent source position selected in step ST 510 so that the scent liquid flows into the mixer 122C and through the mixer 122C. Mixing at least one selected flavoring solution produces a combined flavoring solution (ST550).

In addition, the signage 100 transmits a mixer valve control signal to the mixer valve 122D and drives the exhaust fan 123 so that the fragrance of the fragrance mixture liquid mixed in the mixer 122C is discharged 124 to be emitted to the outside through

Meanwhile, in the above embodiment, the service server 200 generates and stores a content image in which perfume information, formulation information, and injection information are all recorded in the perfume information area of one frame, and each image is stored in the signage 100. Although perfume control information was extracted from the corresponding perfume information area of the content video frame, as shown in FIG. 8, perfume information is recorded in the first frame of the content video, and compounding information is recorded in the second to fourth frames. And a content image can be generated so that injection information is recorded in the fifth frame.

At this time, the combination information may be assigned a number of frames corresponding to the number of hyangwon. For example, in FIG. 8, when three fragrance liquids are combined, the compounding information is composed of three frames, and a total of five frames including one frame in which fragrance information is recorded and one frame in which injection information is recorded are combined. A state in which fragrance control information is sequentially extracted is exemplified.

Further, in the content image, new fragrance control information may be sequentially recorded in a frame at a time point when the fragrance is changed when the corresponding content image is output. In FIG. 8, the fragrance control information is not recorded in the sixth frame.

In addition, as shown in FIG. 8, in each frame, two pixel areas are set as fragrance information areas for fragrance information, formulation information, and injection information, and fragrance information includes fragrance codes, the number of fragrance concentrates, and compounding information for each fragrance source. The combination code for each code and the injection information may be composed of an injection command code and an injection code. Here, the number of antiseptic solutions is set to “011”, that is, “3”, and correspondingly, compounding codes corresponding to different antiseptic codes are set in the second to fourth frames. For example, the fragrance emitting device 120 may generate the fragrance of the fragrance source solution combined at a rate of 30% for the first fragrance source solution, 50% for the third fragrance source solution, and 20% for the seventh fragrance source solution according to the mixing code. .

After the mixture information is transmitted, an injection command code indicating an injection command and an injection code are set in the frame.

That is, the signage 100 simultaneously drives the perfume emitting device 200 by extracting the perfume control information recorded in the perfume information area of the content image frame as well as displaying and outputting the corresponding content image through the display 110. do. Accordingly, the content image and the corresponding scent are simultaneously output through the signage 100 .

100: signage, 101: body,
102: cover, 103: means of transportation,
110: display, 120: fragrance generator,
130: data communication unit, 140: data storage,
150: control means, 151: data collection unit,
152: schedule information generation unit, 153: image processing unit,
154: fragrance processing unit, 155: fragrance source management unit,
200: service server, 210; database,
300: Administrator terminal.

Claims (7)

A service server for setting a certain number of pixel areas in a frame of an advertisement image as a fragrance information area and generating and storing a content image in which fragrance control information is stored instead of RGB information recorded in pixels corresponding to the fragrance information area;
A display disposed on the front of the body to output an image, a fragrance emitting device disposed inside the body and provided with a plurality of fragrance liquids to emit fragrance corresponding to at least one fragrance liquid, and contents received from the service server. At the same time as outputting an image through a display, it is configured to include a signage including a control means for controlling to generate a fragrance by combining the fragrance liquid selected through the fragrance emitting device based on the fragrance control information extracted from the content video do it,
The fragrance emitting device communicates with a plurality of fragrance source containers in which different fragrance source solutions are stored, a fragrance source valve provided at the outlet of the fragrance source container, and an outlet of each fragrance source container, mixing the fragrance source solution to produce a fragrance corresponding to the combined fragrance source solution A fragrance source cartridge comprising a mixer that generates a mixer and a mixer valve provided at the outlet of the mixer, and an exhaust fan disposed at the front end of the fragrance source cartridge to diffuse fragrance emitted from the mixer outlet to the outside of the signage body. is composed of,
The fragrance control information includes fragrance information for selecting a fragrance source solution, compounding information for setting a blending amount of the selected fragrance source solution, and injection information for setting the amount of fragrance generated by the combined fragrance source solution,
The control means stores in advance at least one fragrance source liquid information corresponding to a fragrance code, a valve control signal corresponding to a compounding code, and a valve control signal corresponding to an injection code, and thus fragrance information and compounding information of the fragrance control information are stored. In addition to setting the amount of the fragrance source solution by controlling the fragrance source valve corresponding to the fragrance source solution based on the basis, the mixer valve is controlled based on the injection information to adjust the amount of fragrance spray emitted through the exhaust fan. olfactory digital signage system.
delete According to claim 1,
The control means selects a scent source container containing a scent source solution corresponding to the fragrance information, generates and transmits a valve control signal of a PWM behavior corresponding to the formulation information to a scent source valve disposed at an outlet of the selected scent source container, and transmits the valve control signal to the injection information. The olfactory digital signage system, characterized in that configured to transmit the valve control signal of the corresponding PWM behavior to the mixer valve to discharge the combined fragrance liquid through the mixer drive.
According to claim 1,
The content image is composed of perfume control information configured by storing a fragrance code in a first pixel of a frame, a compounding code in a second pixel, and a spraying code in a third pixel. digital signage system.
According to claim 1,
In the content image, perfume information including the number (N-1) of fragrance concentrates to be combined is stored in the fragrance information area of the first frame, and compounding information for each fragrance concentrate solution to be combined for each frame is sequentially stored in the second to Nth frames. Stored, the olfactory digital signage system, characterized in that the injection information is stored in the N + 1th frame.
According to claim 1,
The service server sets and stores a place code for outputting the corresponding content image for each content image in a database,
The olfactory digital signage system, characterized in that the signage is configured to search and download from a database a content image in which a place code corresponding to its location is set in a service server.
According to claim 1,
The signage monitors the amount of fragrance agent used to determine the replacement time for each fragrance agent container in which the fragrance agent solution is stored. Olfactory digital signage system, characterized in that for transmitting to the service server.

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