KR20220142037A - Olfactory digital signage system - Google Patents

Abstract

The present invention relates to a technology which generates fragrance in conjunction with an advertisement output through a digital signage to stimulate the olfactory sense by using a smell, thereby maximizing an advertisement effect. According to the present invention, an olfactory digital signage system comprises: a service server setting a predetermined 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 in place of RGB information in pixels of the fragrance information area; a display disposed on the front surface of a main body to output the image; a fragrance emitting device disposed inside the main body and including a plurality of fragrance liquids to generate fragrance corresponding to at least one fragrance liquid to the outside; and a control means outputting the content image received from the service server through the display and, at the same time, performing control to generate a fragrance by combining the fragrance liquids selected through the fragrance emitting device on the basis of the fragrance control information extracted from the content image. The fragrance control information includes fragrance information for selecting the fragrance source liquids, compounding information for setting a compounding amount of the selected fragrance liquids, and injection information for setting the amount of the fragrance generated by the combined fragrance source liquids.

Description

Olfactory digital signage system

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

In general, due to the decrease in the advertising effect of the four major media such as TV, radio, newspaper, and magazine, advertisers are looking for other advertising media with a large advertising effect. Due to the decline, it is establishing itself as an advertising medium replacing the existing analog signboards and posters.

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

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

However, in the current advertising method using digital signage, it is difficult for most users to memorize the content they encounter through digital signage for a long time, even if they just look at it or are interested in it.

In particular, this problem becomes more pronounced if the digital signage is installed in a place where there are many users and frequent movement, for example, on a street or an underground sidewalk.

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

Accordingly, the present invention was created in consideration of the above circumstances, by generating a fragrance corresponding to the fragrance control information obtained from the advertisement image while outputting an advertisement image to a digital signage, thereby improving the interest in 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 advertisement image are set as a fragrance information area, and fragrance control information is stored in pixels of the fragrance information area instead of RGB information. A service server that generates and stores an image, a display that is disposed on the front of the body to output an image, and a fragrance that is disposed inside the body and generates a fragrance corresponding to at least one undiluted solution to the outside Control to generate a fragrance by outputting the content image received from the emitting device and the service server through the display, and at the same time, combining the fragrance undiluted solution selected through the fragrance emitting device based on the fragrance control information extracted from the content image and a signage including means, wherein the fragrance control information sets fragrance information for selecting the hyangwondo solution, formulation information for setting the blending amount of the selected hyangwondo solution, and the amount of fragrance generated by the combined hyangwondo solution There is provided an olfactory digital signage system, characterized in that it includes injection information for

In addition, the perfume emitting device includes a plurality of hyangwon containers containing different hyangwon solutions, a hyangwon valve provided at the outlet of the hyangwon container, a mixer for mixing the hyangwon solution while communicating with the outlet of each hyangwon container, and at the outlet of the mixer a hyangwon cartridge including a mixer valve provided, and an exhaust fan disposed at the front end of the hyangwon cartridge to diffuse the fragrance emitted from the mixer outlet to the outside of the signage body, wherein the hyangwon cartridge is separated from the signage body There is provided an olfactory digital signage system, characterized in that it is detachably configured.

In addition, the control means selects the hyangwon container containing the hyangwon solution corresponding to the fragrance information, and generates and transmits the valve control signal of the PWM behavior corresponding to the compounding information to the hyangwon valve disposed at the outlet of the selected hyangwon container, and injects There is provided an olfactory digital signage system, characterized in that it is configured to transmit the PWM action valve control signal corresponding to the information to the mixer valve to discharge the combined hyangwondo solution through driving the mixer.

In addition, in the control means, at least one hyangwon solution information corresponding to the fragrance code, a valve control signal corresponding to the compounding code, and a valve control signal corresponding to the injection code are stored in advance, and the content image is the first of the frame The fragrance code is stored in the pixel, the compounding code is stored in the second pixel, and the injection code is stored in the third pixel, and the control means obtains the hyangone solution information corresponding to the fragrance code, and corresponds to the compounding code to transmit the valve control signal to the hyangwon valve of the hyangwon container corresponding to the fragrance code, and to transmit the valve control signal to the mixer valve in response to the injection code is provided an olfactory digital signage system.

In addition, in the content image, fragrance information including the number of hyang undiluted solutions to be combined (N-1) is stored in the fragrance information area of the first frame, and the composition information for each hyang undiluted solution to be combined for each frame is stored in the second to Nth frames. The olfactory digital signage system is provided, which is stored sequentially, and the injection information is stored and configured in the N+1th frame.

In addition, the service server sets a place code for outputting a 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 configured to download.

In addition, the signage monitors the amount of hyangwon solution used to determine the replacement time for each hyangwon container in which the hyangwon solution is stored. There is provided an olfactory digital signage system, characterized in that the guide information is transmitted to the service server.

According to the present invention, by generating a fragrance corresponding to the fragrance control information obtained from the advertisement image while outputting the advertisement image as a digital signage, it is possible to maximize the advertisement effect by improving the degree of interest in the advertisement.

1 is a view 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 an external shape of the signage 100 shown in FIG. 1 .
3 is a block diagram showing the functionally separated configuration of the signage 100 shown in FIG.
FIG. 4 is a view for explaining a frame configuration of a content image generated by the service server 200 shown in FIG. 1;
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.
7 is a view for explaining in more detail the content image and fragrance output step (ST500) in the signage 100 in FIG.
8 is a diagram for explaining the configuration of an olfactory digital signage system according to a second embodiment of the present invention;

The configuration shown in the embodiments and drawings described in the present invention is only a preferred embodiment of the present invention, and does not express all the technical spirit of the present invention, so the scope of the present invention is the embodiment and drawings described in the text should not be construed as being limited by That is, since the embodiment is capable of various changes and may 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, it should not be understood that the scope of the present invention is limited thereby.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in the dictionary should be interpreted as being consistent with the meaning of the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning not explicitly 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 and outdoors, and in the present invention, the signage 100 outputs a content image and is configured to generate a fragrance.

As shown in FIG. 2, the signage 100 has a display 110 disposed on the front of the body 101 having an internal space of a certain size, and a plurality of hyangwon solutions are provided in the internal space of the body 101 to at least A fragrance emitting device 120 for emitting a fragrance corresponding to one hyang undiluted solution to the outside is provided, and the fragrance emitting device 120 is disposed so that the fragrance is emitted toward the front side where the display 100 is disposed. In addition, the cover 102 having a structure that can be opened and closed so that the manager can take out the fragrance emitting device 120 is disposed at the position where the perfume emitting device 120 is disposed on the rear side of the body 101 . In addition, a moving means 103 such as a wheel may be provided on the lower side of the body 101 to facilitate movement.

The service server 200 receives the advertisement image (including the promotional image) to be provided through the signage 100 from the affiliate 1 and stores it in the database 210 . At this time, the service server 200 sets a certain number of pixel areas as the fragrance information area in the frame of the advertisement image provided from the affiliate company, and stores the fragrance control information in the pixels of the fragrance information area instead of the RGB information. create an image Then, the play information including the content image and the output schedule of the content image is stored in the database 210 . In this case, the play information may include information on a place to output the corresponding content image.

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 information on the location where the signage 100 is installed may be stored, and a place code including a plurality of signage locations located in a predetermined area may be added to the signage map.

In addition, the service server 200 requests to replenish the insufficient hyangwon cartridge by providing the hyangwon management information provided from the signage 100 to the manager terminal 300 .

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 smart phone, a PDA (Personal Digital Assistant), a PMP (Portable Multimedia Player), It may be a communication device capable of network connection, such as a tablet PC, and there is no limitation on the type.

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

Referring to FIG. 3 , the signage 100 includes a display 110 , a fragrance 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.

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

The data communication unit 130 communicates with the service server 200 and transmits/receives image information to be output through the signage 100 and hyangwon management information. At this time, a firewall is installed in the data communication unit 130 , and a PULL method in which the control means 150 downloads image information from the service server 200 is applied.

Data storage 140 is a signage operation information including a corresponding signage location code and content image and schedule information, at least one hyangwon solution information corresponding to the fragrance code, a valve control signal corresponding to the compounding code, and injection Fragrance control registration information including a valve control signal corresponding to the code, and various signage operation information including a place code corresponding to the corresponding signage position 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 fragrance undiluted solution selected through the fragrance emitting device 120 Control to generate fragrance by combining them.

The control means 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 hyangwon management unit 155 .

The data collection unit 151 downloads the play information including the content image 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 in which the same place code as the corresponding signage place code is set, 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 new play information.

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

The schedule information includes an expression time and output method for each content, and includes an output period including sequential repeat playback and a specific time, date, and week.

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

At this time, in the content image, as shown in FIG. 4, the preset pixel area of each frame (F) in the content image is set as the fragrance information area 10, and the fragrance control information is recorded in this fragrance information area 10 . The fragrance control information includes fragrance information for selecting the hyangwondo solution, compounding information for setting the blending amount of the selected hyangwondo solution, and injection information for setting the amount of fragrance generated by the combined hyangwondo solution.

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

The image processing unit 153 displays and outputs the content image through the display 110 . In this case, the image processing unit 150 decodes the video and audio contents and converts them into a data format that can be expressed through the display 110 .

The fragrance processing unit 154 generates a fragrance control signal for driving the fragrance emitting device 120 based on the fragrance control information of the corresponding content image. The fragrance processing unit 154 selects a hyangwon based on the fragrance information recorded in the first pixel of the fragrance control signal, generates a valve control signal of the selected hyangwon based on the compounding information recorded in the second pixel, and the third pixel A valve control signal and fan driving information are generated for emitting the combined hyangwon to the outside based on the injection information recorded in the . Then, by transmitting this fragrance control signal to the fragrance generating device 120, the fragrance of the hyangwon in which at least one hyangwon solution is combined is controlled to be generated to the outside.

The hyangwon management unit 155 calculates the amount of hyangwon solution used for each hyangwon based on the valve control signal for each hyangwon generated in the fragrance processing unit 154, counts the accumulated amount of the hyangwon solution, and compares the accumulated amount of the hyangwon solution and the maximum amount of the hyangwon solution. Thus, when the current remaining amount of usage is less than a preset reference value, the Hyangwon cartridge replacement guide information including the Hyangwon code is generated and transmitted to the service server 200 through the communication unit 130 .

That is, in the present invention, since the fragrance control information is stored in the frame of the content image, it is possible to more simply provide the fragrance control information without having a separate hardware or software for transmitting and receiving the fragrance control information.

In addition, considering that the reproduced image is made at 60 frames per second in general, since the fragrance control information can be transmitted in frame units, more precise fragrance control is possible.

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

5, the fragrance emitting device 120 is provided with a hyangwon cartridge 122 and an exhaust fan 123 inside the cylindrical body 121, and on the outside of the exhaust fan 123, the signage The discharge part 124 of a funnel structure whose radius increases toward the outside is formed and configured.

At this time, the hyangwon cartridge 122 is detachably disposed in the body (121).

In the hyangwon cartridge 122, a plurality of hyangwon containers 122A containing about 10 different kinds of hyangwon liquids are arranged to be spaced apart at regular intervals, and a hyangwon valve 122B is disposed at the outlet of each hyangwon container 122A. , a mixer 122C communicating with the outlet of the hyangwon valve 122B of each hyangwon container 122A to mix different hyangwon solutions introduced from the hyangwon 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 are high-speed solenoid valves, which are opened and closed at high speed according to the PWM signal applied from the fragrance processing unit 154 . That is, the opening/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 hyangunde solution combined in the mixer 122C to the outside.

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

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

On the other hand, the service server 200, when an advertisement image is received from an affiliate, generates fragrance control information for emitting a fragrance corresponding to the advertising image, and puts the generated fragrance control information in a preset fragrance information area of the advertising image frame. Insert to create a content image. At this time, the fragrance information can be selected from affiliates, or set based on the image content in the service server 200 .

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

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

Next, the signage 100 uses the previous play information stored in the data memory 140 including the new play information to generate schedule information including the output time of the content image, and updates the data memory 140 based on this. do (ST400).

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

At this time, the signage 100 calculates the usage amount of the hyangwondo solution according to the fragrance generation and updates the accumulated usage amount of the hyangwondo solution in real time (ST600).

The signage compares the updated cumulative use of Hyangwonsik with the maximum usage of Hyangwonsik to determine when to replace the Hyangwon container containing the Hyangwonsolution (ST700). Hyangwon cartridge replacement guide information is generated and transmitted to the service server 200 (ST800).

The service server 200 provides the hyangwon cartridge replacement guide information to the manager terminal 300 so that the manager can timely replace the hyangwon cartridge of the corresponding signage 100 . At this time, the manager may replace only the hyangwon container corresponding to the hyangwon code in the hyangwon cartridge.

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

7, the signage 100 extracts the fragrance control information recorded in the preset fragrance information area from the content image frame to be reproduced currently (ST510). That is, the signage 100 extracts the fragrance control information including the fragrance code, the blending code, and the injection code.

The signage 100 acquires at least one selected hyangwon 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 hyangwon solution as optional hyangwon.

In addition, the signage 100 generates a PWM type hyangwon valve control signal for emitting a corresponding amount of hyangwon based on the combination code of the fragrance control information (ST530). For example, a valve for controlling the opening/closing speed of the hyangwon valve 122B of the hyangwon container 122A containing the selected hyangwon solution based on the compounding code of “001” extracted from the second pixel P2 in FIG. 4B . Generates a control signal.

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

Next, the signage 100 transmits a hyangwon valve control signal to the hyangwon valve corresponding to the hyangwon position selected in step ST 510 so that the hyangwon solution flows into the mixer 122C, and through the mixer 122C. At least one selected hyangwondo solution is mixed to produce a combined hyangwondo solution (ST550).

And, the signage 100 transmits the mixer valve control signal to the mixer valve 122D and drives the exhaust fan 123 to discharge the fragrance of the Hyangwon combination solution mixed in the mixer 122C. to be released to the outside through

On the other hand, in the embodiment, the service server 200 creates and stores a content image in which all of the fragrance information, the formulation information, and the injection information are recorded in the fragrance information area of one frame, and in the signage 100, each Although it was carried out to extract the fragrance control information from the corresponding fragrance information area of the content image frame, as shown in FIG. 8, the fragrance information is recorded in the first frame of the content image, and the compounding information is recorded in the second to fourth frames. and a content image may be generated so that injection information is recorded in the fifth frame.

In this case, the number of frames corresponding to the number of hyangwons may be allocated to the compounding information. For example, in FIG. 8, three hyangwondo liquids are combined. The compounding information consists of three frames, and one frame in which the fragrance information is recorded and one frame in which the injection information is recorded are combined through a total of five frames. A state in which the fragrance control information is sequentially extracted is exemplified.

And, in the content image, new fragrance control information can be sequentially recorded in the frame at the time when the fragrance changes when the 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, the fragrance information, the compounding information, and the injection information are all set in two pixel regions as the fragrance information region, the fragrance information is the fragrance code and the number of hyangwon solutions, and the compounding information is each fragrance source. The combination code for each code and the injection information may consist of an injection command code and an injection code. Here, the number of hyangwon solution is set to “011”, that is, “3”, and correspondingly, in the second to fourth frames, formulation codes corresponding to different hyangwon codes are set. For example, the fragrance emitting device 120 may generate the fragrance of the combined hyang undiluted solution at a ratio of 30% for the first hyangwondo solution, 50% for the third hyangwondo solution, and 20% for the 7th hyangwondo solution according to the formulation code. .

Then, after the compounding information is transmitted, the injection command code and the injection code indicating that the injection command is set are set in the frame.

That is, the signage 100 displays and outputs the corresponding content image through the display 110, and simultaneously drives the fragrance emitting device 200 by extracting the fragrance control information recorded in the fragrance information area of the corresponding content image frame. do. Accordingly, the content image and the fragrance corresponding thereto are simultaneously output through the signage 100 .

100: signage, 101: body,
102: cover, 103: transportation means,
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: hyangwon management unit,
200: service server, 210; database,
300: administrator terminal.

Claims (7)

A service server that sets a certain number of pixel areas as a fragrance information area in the frame of an advertisement image, and creates and stores a content image in which fragrance control information is stored instead of RGB information in pixels of the fragrance information area;
A display disposed on the front of the body to output an image, a perfume emitting device disposed inside the body and provided with a plurality of hyangwondo solutions to generate a scent corresponding to at least one hyangwondo solution to the outside, and content received from a service server At the same time as outputting the image through the display, on the basis of the fragrance control information extracted from the content image, a signage including a control means for controlling to generate a fragrance by combining the fragrance undiluted solution selected through the fragrance emitting device. become,
The fragrance control information includes fragrance information for selecting the hyangwondo solution, formulation information for setting the blending amount of the selected hyangwondo solution, and injection information for setting the amount of fragrance generated by the combined hyangwondo olfactory sense digital signage system.
According to claim 1,
The perfume emitting device includes a plurality of hyangwon containers containing different hyangwon solutions, a hyangwon valve provided at the outlet of the hyangwon container, a mixer for mixing the hyangwon solution while communicating with the outlet of each hyangwon container, and a mixer provided at the outlet of the mixer. Hyangwon cartridge comprising a mixer valve, and
It is disposed at the front end of the hyangwon cartridge and is configured to include an exhaust fan that diffuses the fragrance emitted from the mixer outlet to the outside of the signage body,
The olfactory digital signage system, characterized in that the hyangwon cartridge is detachably configured from the signage body.
3. The method of claim 2,
The control means selects a hyangwon container in which the hyangwon liquid corresponding to the fragrance information is stored, and then generates and transmits a valve control signal of a PWM behavior corresponding to the compounding information to the hyangwon valve disposed at the outlet of the selected hyangwon container, and transmits it to the injection information. The olfactory digital signage system, characterized in that it is configured to transmit the valve control signal of the corresponding PWM behavior to the mixer valve to discharge the combined hyangwondo solution through driving the mixer.
3. The method of claim 2,
In the control means, at least one hyangwon solution information corresponding to the fragrance code, a valve control signal corresponding to the compounding code, and a valve control signal corresponding to the injection code are stored in advance,
The content image is composed of a fragrance code is stored in the first pixel of the frame, a compounding code is stored in the second pixel, and the injection code is stored in the third pixel,
The control means obtains hyangwon solution information corresponding to the fragrance code, transmits a valve control signal to the hyangwon valve of the hyangwon container corresponding to the fragrance code in response to the mixing code, and a valve control signal to the mixer valve in response to the injection code An olfactory digital signage system, characterized in that it is configured to transmit.
According to claim 1,
In the content image, fragrance information including the number of hyang undiluted liquids to be combined (N-1) is stored in the fragrance information area of the first frame, and compounding information for each hyang undiluted liquid to be combined per frame is sequentially stored in the second to Nth frames. The olfactory digital signage system, characterized in that the injection information is stored and configured in the N+1th frame.
According to claim 1,
The service server sets a place code to output the corresponding content image for each content image and stores it in a database,
Signage is an olfactory digital signage system, characterized in that the service server is configured to search for and download a content image in which a place code corresponding to its location is set from a database.
3. The method of claim 1 or 2,
The signage monitors the amount of hyangwon solution used to determine the replacement time for each hyangwon container in which the hyangwon solution is stored, and when there is a hyangwon container that is the replacement time, the hyangwon cartridge replacement guide information including the corresponding hyangwon solution information and signage information An olfactory digital signage system, characterized in that it transmits the to the service server.

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