WO2020059089A1 - Transmission system, transmission device and directing system - Google Patents

Abstract

A system for emitting radio waves at a plurality of receiving devices located within a preset region by using a plurality of transmission devices, wherein: each device among the plurality of transmission devices is capable of setting radio wave properties so as to emit the radio waves toward a specific partial region within the preset region; the radio waves are emitted on the basis of the radio wave properties; and the appearance of the receiving devices within the partial region is changed.

Description

Transmission system, transmission device and effect system

The present invention relates to a transmission system, a transmission device, and an effect system.

For example, Patent Literature 1 discloses a lighting effect method executed by a plurality of light emitting devices and a control system, wherein the control system transmits position information on a position at which each of the plurality of light emitting devices is arranged. Registered in the position data storage unit in association with the identification information, the light emission data storage unit stores a plurality of different light emission data according to the position where the light emitting device is arranged, and in the step of transmitting the light emission data, The system discloses a lighting effect method for determining, for each of a plurality of light emitting devices, light emission data to be read from the light emission data storage means and transmitted based on the position information and the identification information registered in the position data storage means. .

JP 2015-11981 A

For example, various effects are performed at venues of various events such as concerts and live performances. For example, in an effect that changes the appearance of a receiving device carried by an audience, data to be transmitted to the receiving device may be determined based on position information and identification information of the receiving device registered in advance. In this case, even if the audience moves and the position of the receiving device changes, data corresponding to the position before the movement is transmitted to the receiving device, and the appearance of the receiving device changes.
An object of the present invention is to make it possible to change the appearance corresponding to the position after movement, even when the reception device moves, when the appearance of the reception device is changed by radiating radio waves from the transmission device. is there.

The invention according to claim 1 irradiates a plurality of receiving devices in a predetermined area with radio waves by a plurality of transmitting devices, and each of the plurality of transmitting devices transmits the radio wave, The radio wave characteristics can be set so as to irradiate a radio wave toward a specific part of a predetermined region, and the radio wave is radiated based on the radio wave characteristic and the radio wave is radiated based on the radio wave characteristic. A transmission system characterized by changing the appearance of the receiving device.
The invention according to claim 2, wherein each of the transmitting devices sets, as the radio wave characteristic, an intensity of a radio wave to be irradiated according to the partial area. It is a transmission system.
The invention according to claim 3 is characterized in that, as the radio wave characteristics, the directivity of irradiating a radio wave in a specific direction is set as the radio wave characteristic according to the partial area. The transmission system according to claim 1.
The invention according to claim 4 is characterized in that each of the transmitting devices instructs the receiving device in the partial area to emit light emitted by the receiving device. The transmission system according to item 1.
According to a fifth aspect of the present invention, the individual transmitting devices are switched from a radio wave transmitting side to a radio wave receiving side by an instruction from a control device, and receive radio waves received from another of the plurality of transmitting devices. The transmission system according to claim 1, wherein intensity is detected.
The invention according to claim 6 is an individual transmitting device among a plurality of transmitting devices that irradiate a plurality of receiving devices within a predetermined area with radio waves, wherein the individual transmitting devices are: Radio wave characteristics can be set so as to irradiate radio waves toward a specific part of the predetermined area, and irradiate radio waves based on the radio characteristics, and within the part of the area. A transmitting device characterized by changing the appearance of a certain receiving device.
According to a seventh aspect of the present invention, an acquisition unit for acquiring instruction information indicating an emission color of a light emitting device and an irradiation unit for irradiating a radio wave including the acquired instruction information by broadcast communication of Bluetooth Low Energy. It is a transmission device provided.
The invention according to claim 8, wherein a plurality of receiving devices used for producing effects in a predetermined area, and irradiates a radio wave to the predetermined area, wherein the radio wave exists in an irradiation area of the radio wave. A plurality of transmitting devices that change the appearance of the receiving device, and in accordance with the effect, instruct each of the plurality of transmitting devices to change the appearance of the receiving device that is present in the radio wave irradiation area. An effect system including a control device.

According to the first aspect of the present invention, when the appearance of the receiving device is changed by radiating radio waves from the transmitting device, even if the receiving device moves, the appearance can be changed to the position corresponding to the position after the movement. become.
According to the second aspect of the invention, it is possible to irradiate a radio wave to a part of a predetermined area based on the set radio wave intensity.
According to the third aspect of the invention, it is possible to irradiate a radio wave to a part of a predetermined area based on the set directivity.
According to the fourth aspect of the invention, it is possible to perform an effect of causing the receiving device in a part of the area to emit light.
According to the fifth aspect of the present invention, it is possible to grasp the intensity of the radio wave emitted from the plurality of transmitting devices.
According to the invention of claim 6, when the appearance of the receiving device is changed by radiating radio waves from the transmitting device, even if the receiving device moves, the appearance can be changed to the position corresponding to the position after the movement. become.
According to the seventh aspect of the present invention, when the light emitting device emits light by radiating radio waves from the transmitting device, even if the light emitting device moves, the light emitting device can emit light in the emission color corresponding to the position after the movement. Become.
According to the invention of claim 8, when the appearance of the receiving device is changed by radiating radio waves from the transmitting device, even if the receiving device moves, the appearance can be changed to the appearance corresponding to the position after the movement. become.

FIG. 1 is a diagram illustrating the concept of a communication system to which the present embodiment is applied. FIG. 3 is a diagram illustrating a hardware configuration example of an antenna. (A) is a plan view of a plurality of antennas, (B) is a plan view of an individual antenna, and (C) is a cross-sectional view of the antenna along the line IIC-IIC in (B). FIG. 2 is a diagram illustrating a hardware configuration example of a penlight. FIG. 3 is a diagram illustrating a hardware configuration example of a host computer. FIG. 3 is a block diagram illustrating a functional configuration example of a control unit of a penlight. FIG. 3 is a block diagram illustrating a functional configuration example of a host computer. It is the flowchart which showed an example of the procedure of the light emission process in a penlight. It is a figure which shows the specific example for demonstrating the flow of the process performed by the effect system. (A), (B) is a figure which shows an example at the time of installing an antenna on a ceiling. It is a figure showing an example when a person carries an antenna. FIG. 4 is a diagram illustrating an example of a case where the emission color of a penlight is controlled in accordance with movement of an object.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

<Overall configuration of communication system>
FIG. 1 is a diagram illustrating the concept of an effect system 1 to which the present embodiment is applied. The effect system 1 according to the present embodiment is a system for effecting using a plurality of penlights 20 in a predetermined area such as an event venue (that is, in a predetermined area). The effect system 1 includes an antenna 10 (five in the illustrated example), a plurality of penlights 20 (15 in the illustrated example), and a host computer 30.

In the following, when the five antennas 10 are distinguished from each other, they are described as antennas 10-1 to 10-5. When the 15 penlights 20 are distinguished from each other, they are described as penlights 20-1 to 20-15. However, in the present embodiment, the number of antennas 10 is not limited to the five illustrated. Similarly, the number of penlights 20 is not limited to the 15 shown. Further, the predetermined area where the effect system 1 is configured is not limited to the indoor area, but may be the outdoor area.

The antenna 10 is an antenna that radiates radio waves in a predetermined area. In the example shown in FIG. 1, each of the antennas 10-1 to 10-5 is arranged side by side on a wall surface in a width direction of a stage in an event venue. The antenna 10 has a directivity for concentrating radio wave radiation in a specific direction (that is, irradiating a radio wave in a specific direction), for example, a planar antenna, a parabolic antenna, a Yagi antenna, and a sector. An antenna and the like are exemplified.

{Circle around (4)} The signal transmitted by the antenna 10 by radio waves includes information indicating the emission color of the penlight 20 (hereinafter, referred to as color instruction information). The color instruction information is for changing the appearance by controlling the emission color of the penlight 20 and instructing the penlight 20 existing in the radio wave irradiation area to change the appearance. In the present embodiment, color instruction information is used as an example of instruction information for instructing the emission color of the light emitting device.

To explain further, the antenna 10 uses a broadcast communication method, which is one of the communication methods of Bluetooth (registered trademark) LE (Low Energy). The broadcast communication method of Bluetooth @ LE uses an advertisement packet, which is a signal for searching for a device to be connected, to transmit a signal to an unspecified target without establishing a connection with a specific device. This is a transmission method. The advertisement packet has a payload portion, and the data of the above-described color instruction information is stored in the payload portion.

The antenna 10 is connected to another adjacent antenna 10 via a data line, and data is transmitted and received between the antennas 10 via the data line. However, transmission and reception of data between the antennas 10 are not limited to the configuration performed via the data line, and data transmission and reception may be performed by wireless communication, for example.
Further, power is supplied to the antenna 10 from an AC power supply unit or a battery power supply unit (not shown). For example, the AC power supply unit is an outlet of an AC power supply (AC power supply), and power is supplied to the antenna 10 from the AC power supply when connected. In addition, for example, the battery power supply unit has a built-in battery, and when connected, power is supplied from the battery to the antenna 10. The antenna 10 may be supplied with power from a computer device such as the host computer 30 via a communication cable as a bus power system. For example, power is supplied from the host computer 30 to the antenna 10 via a USB (Universal Serial Bus) cable.

The penlight 20 is a portable light-emitting device, and is used by a spectator at a venue of various events such as a concert or a live by holding and emitting light. The penlight 20 receives a radio wave from the antenna 10 and emits light based on color indication information transmitted by the radio wave. Here, when the intensity of the radio wave received from the antenna 10 satisfies a predetermined condition, the penlight 20 emits light based on the color instruction information transmitted by the radio wave.

More specifically, when the penlight 20 receives radio waves from the plurality of antennas 10, the penlight 20 emits light based on the color indication information included in the radio wave with the highest intensity among the received radio waves. Further, when the intensity of the radio wave having the highest intensity among the radio waves received from the plurality of antennas 10 exceeds a predetermined threshold (hereinafter, referred to as a radio field intensity threshold), based on the color indication information included in the radio wave. Light may be emitted. Further, when the penlight 20 receives a radio wave from one antenna 10, the penlight 20 emits light based on the color instruction information included in the received radio wave. Further, when the intensity of the radio wave received from one antenna 10 exceeds the radio field intensity threshold, the light may be emitted based on the color indication information included in the radio wave.

The host computer 30 is a computer device that controls the irradiation of the antenna 10 with radio waves. The host computer 30 controls, for example, the content of the color instruction information included in the radio wave, and controls the area of the antenna 10 where the radio wave is irradiated. The control of the radio wave irradiation area is performed by, for example, controlling the stop of the radio wave to be irradiated, the irradiation direction of the radio wave, the intensity of the radio wave, and the beam width of the radio wave. The host computer 30 is connected to the antenna 10-5. Then, the host computer 30 collectively transmits control signals for the respective antennas 10 to the antenna 10-5.

Additionally, the control signal from the host computer 30 is transmitted to each antenna 10 in the order of the antenna 10-5, the antenna 10-4, the antenna 10-3, the antenna 10-2, and the antenna 10-1. However, the method by which the host computer 30 transmits the control signal is not limited to such a configuration. For example, the host computer 30 may be connected to each antenna 10 by wire, and the host computer 30 may directly transmit a control signal to each antenna 10. Alternatively, the host computer 30 may transmit a control signal to each of the antennas by wireless communication.

に お い て In the present embodiment, antenna 10 is used as an example of a transmission device. The antennas 10-1 to 10-5 are used as an example of a transmission system. The penlight 20 is used as an example of a receiving device and a light emitting device. Further, the host computer 30 is used as an example of a control device. In addition, the antenna 10, the penlight 20, and the host computer 30 are used as an example of an effect system.

<Hardware configuration of antenna>
Next, a hardware configuration of the antenna 10 will be described. FIG. 2 is a diagram illustrating a hardware configuration example of the antenna 10. 2A is a plan view of a plurality of antennas 10-1 to 10-5, FIG. 2B is a plan view of each antenna 10, and FIG. 2C is a IIC of FIG. 2B. FIG. 3 is a cross-sectional view of the antenna 10 taken along a line IIC.
Although FIG. 2 illustrates an example of a hardware configuration of a planar antenna, as described above, the antenna 10 according to the present embodiment is not limited to a planar antenna.

Each of the antennas 10-1 to 10-5 is arranged in a row and connected to a wiring board 40 having flexibility (flexibility).
The wiring board 40 is, for example, a flexible printed circuit (FPC). A power supply line and a data line are provided in the wiring board 40, and power is supplied to the antennas 10-1 to 10-5 by the power supply line, and data is transmitted between the adjacent antennas 10 by the data line. Is transmitted and received.
The antenna 10 includes an antenna unit 110 and a communication control unit 120, as shown in FIG. FIG. 2B shows an example in which another antenna 10 is present on both sides, such as the antennas 10-2 to 10-4.

As shown in FIG. 2C, the antenna unit 110 includes an insulating substrate 111, a ground (GND) electrode 112 provided on one surface (back surface) of the insulating substrate 111, and the other surface (front surface) of the insulating substrate 111. (In the example shown), a plurality of (four in the illustrated example) radiation electrodes 113, and a signal distribution wiring 114 for connecting the radiation electrodes 113 to the communication control unit 120. The radiation electrode 113 has a square outer shape. When the four radiation electrodes 113 are distinguished from each other, they are described as radiation electrodes 113-1, 113-2, 113-3, and 113-4. The front side of the insulating substrate 111 is the front side of the antenna unit 110 and the front side of the antenna 10. The back side of the insulating substrate 111 is the back side of the antenna unit 110 and the back side of the antenna 10.

The insulating substrate 111 includes, for example, a copper layer (copper foil) and a silver layer (silver foil) in which the base material is formed of a resin film such as polyimide, and the ground electrode 112, the radiation electrode 113, and the signal distribution wiring 114 are provided on the base material. ) And the like. Further, the radiation electrode 113 and the signal distribution wiring 114 are formed of one conductive material layer and are continuous.
The antenna unit 110 includes a ground electrode 112 provided on the back surface of the insulating substrate 111 and a radiation electrode 113 provided on the surface of the insulating substrate 111. That is, the antenna section 110 includes four planar antennas (plane antennas I, II, III, and III) each including the ground electrode 112 and the radiation electrodes 113-1, 113-2, 113-3, and 113-4. IV).

The communication control unit 120 transmits and receives signals to and from the antenna unit 110, processes data, and exchanges data with another antenna 10 or the host computer 30. The communication control unit 120 includes, for example, a one-chip semiconductor component having a Bluetooth LE function. That is, the communication control unit 120 includes a microprocessor for processing data, a RAM (Random Access Memory), a ROM (Read Only Memory), and the like. Then, in addition to the program for realizing the function of Bluetooth LE, a program developed by an application developer is implemented. The program developed by the application developer is for performing processing based on the control signal transmitted from the host computer 30.
In other words, the communication control unit 120 generates the color instruction information, and controls to radiate the radio wave including the color instruction information by the Bluetooth LE broadcast communication. In the present embodiment, communication control unit 120 is used as an example of an acquisition unit and an irradiation unit.

The communication control unit 120 is mounted on the insulating substrate 111 of the antenna unit 110 by a technique such as CSP (Chip Size Package). The communication control unit 120 has a plurality of terminals, and terminals for transmitting and receiving signals to and from the antenna unit 110 are connected to the signal distribution wiring 114 of the antenna unit 110 provided on the surface of the insulating substrate 111. . A terminal for supplying a power supply voltage (+ side) for supplying power to the communication control unit 120 and a ground voltage (GND), and a terminal for exchanging data with another antenna 10 or the host computer 30 are Are connected to one terminal of a wiring (not shown) provided through the insulating substrate 111. The other terminal of this wiring is a terminal for connecting to a power supply line and a data line of the wiring board 40 on the back surface of the insulating substrate 111. Then, these terminals provided on the back surface of the insulating substrate 111 are connected to the terminals provided on the power supply lines and the data lines of the wiring board 40. Thereby, the antenna 10 is fixed to the wiring board 40.
The antenna 10 is provided with an identifiable address (ID), and radio waves (or data) emitted from the antenna 10 can be identified for each antenna 10 by the address.

<Hardware configuration of penlight>
Next, the hardware configuration of the penlight 20 will be described. FIG. 3 is a diagram illustrating a hardware configuration example of the penlight 20.

The penlight 20 according to the present embodiment includes a grip portion 21 that is gripped when used, a light emitting portion 22 that can emit a plurality of emission colors, a control portion 23 that controls the entire penlight 20, and an external device. It includes a data receiving unit 24 for receiving data, a power supply 25 for supplying power, and a light transmitting unit 26 attached to the grip unit 21 and transmitting light emitted from the light emitting unit 22 to the outside.

The control unit 23, the data receiving unit 24, and the power supply 25 are built in the grip unit 21.
The light emitting unit 22 is incorporated in the light transmitting unit 26 and provided so as to emit light from the light emitting element to the outside through the light transmitting unit 26. As the light emitting unit 22, for example, a full color LED (light emitting diode) is exemplified. The full-color LED includes red (R), green (G), and blue (B) LED elements of three colors (RGB), and emits light in a plurality of emission colors by controlling the brightness of each color LED element. I do.

The control unit 23 includes a CPU (Central Processing Unit) that controls the entire penlight 20 through execution of a program (including basic software), a ROM that is a storage area for storing various programs, a RAM that is an execution area of the program, and an LED. It has a control circuit. The emission color of the light emitting unit 22 is controlled by the control unit 23.

The data receiving unit 24 has a function of Bluetooth 機能 LE, and has an antenna capable of receiving radio waves emitted from the antenna 10. Data such as an advertisement packet received by the data receiving unit 24 is output to the control unit 23 and processed by the control unit 23.

The power supply 25 supplies power to each unit in the penlight 20 such as the control unit 23. As the power supply 25, for example, a chargeable or replaceable drive source such as a battery or a dry battery is used so as to be able to cope with repeated use.
The light transmitting portion 26 is formed of a light transmitting material such as polyethylene terephthalate, for example.

<Hardware configuration of host computer>
Next, the hardware configuration of the host computer 30 will be described. FIG. 4 is a diagram illustrating an example of a hardware configuration of the host computer 30.

The host computer 30 according to the present embodiment includes a CPU 31 that is an arithmetic unit, a ROM 32 that is a storage area for storing a program such as a BIOS (Basic Input Output System), and a RAM 33 that is an execution area of the program. Further, the host computer 30 includes an HDD (Hard Disk Drive) 34 that is a storage area for storing various programs such as an OS (Operating System) and applications, input data for the various programs, output data from the various programs, and the like.

The host computer 30 further includes a communication interface (communication I / F) 35 for performing communication with the outside, a display mechanism 36 such as a display, and an input device 37 such as a keyboard, a mouse, and a touch panel.

<Functional configuration of penlight>
Next, a functional configuration of the control unit 23 of the penlight 20 will be described. FIG. 5 is a block diagram showing an example of a functional configuration of the control unit 23 of the penlight 20. The control unit 23 of the penlight 20 according to the present embodiment includes a radio wave information acquisition unit 231, a radio wave intensity determination unit 232, and a light emission color control unit 233.

(4) The radio wave information acquisition unit 231 acquires information on the intensity of a radio wave received from the antenna 10.

The radio wave intensity determination unit 232 determines whether the intensity of the radio wave received from the antenna 10 satisfies a predetermined condition.
Here, the radio wave intensity determination unit 232 determines whether the intensity of the radio wave received from the antenna 10 is the highest intensity radio wave as compared with the intensity of the radio wave received from another antenna 10. Further, the radio wave intensity determination unit 232 determines whether or not the intensity of the radio wave having the highest intensity exceeds the radio field intensity threshold. Furthermore, when a radio wave is received from one antenna 10, the radio wave strength determination unit 232 determines whether the strength of the received radio wave exceeds a radio wave strength threshold.

The emission color control unit 233 transmits the color indication information included in the advertisement packet transmitted by the radio wave, for the radio wave determined to be the highest in intensity and exceeding the radio field intensity threshold among the radio waves received from the plurality of antennas 10. get. Then, the emission color control unit 233 controls the light emitting unit 22 based on the acquired color instruction information so as to emit light in the emission color indicated by the color instruction information.
In addition, when a radio wave is received from one antenna 10, the emission color control unit 233 includes an advertisement packet transmitted by the radio wave when it is determined that the intensity of the received radio wave exceeds the radio field intensity threshold. To obtain the color instruction information to be displayed. Then, the emission color control unit 233 controls the light emitting unit 22 based on the acquired color instruction information so as to emit light in the emission color indicated by the color instruction information.

Here, in the color instruction information, for example, the ratio of each component of red (R), green (G), and blue (B) is expressed as a value in a range of 0% to 100% as an instruction of the emission color. Have been. More specifically, for example, it is represented by a ratio when the maximum value of each component is 100%, such as (R10%, G10%, B10%), (R100%, G100%, B50%). Further, for example, each color may be represented by 256 levels of 0 to 255 (for example, R180, G200, B80).

When the penlight 20 is realized by, for example, the hardware configuration illustrated in FIG. 3, the control unit 23 reads various programs stored in a ROM or the like into the RAM and executes the programs by the CPU. 5 are realized, such as a radio wave information acquisition unit 231, a radio wave intensity determination unit 232, a light emission color control unit 233, and the like.

<Functional configuration of host computer>
Next, a functional configuration of the host computer 30 will be described. FIG. 6 is a block diagram illustrating a functional configuration example of the host computer 30. The host computer 30 according to the present embodiment has a control signal generation unit 301 and a control signal transmission unit 302.

The control signal generation unit 301 generates a control signal for controlling the irradiation of the antenna 10 with radio waves. The control signal includes a control signal for controlling the content of the color instruction information and a control signal for controlling a region where the antenna 10 emits a radio wave.
The control signal for controlling the content of the color instruction information indicates the color of the light emitted from the penlight 20. With this control signal, the antenna 10 starts to emit radio waves, and the penlight 20 is controlled to emit light in the designated emission color. When the penlight 20 has already emitted light, control is performed to maintain the light emission or change the emission color.
The control signal for controlling the radio wave irradiation area includes, for example, a control signal for instructing to stop radio wave irradiation (that is, a control signal for instructing to turn off the penlight 20) and a radio wave irradiation direction. These are a control signal to be changed, a control signal to change the intensity of radio waves, and a control signal to change the beam width of radio waves. With this control signal, the irradiation area of the radio wave by the antenna 10 is controlled.

More specifically, the control signal instructing to stop the irradiation of the radio wave stops the irradiation of the radio wave from the antenna 10 and turns off the penlight 20.
In addition, the control signal for changing the irradiation direction of the radio wave, for example, instructs to physically change the direction of the antenna 10 or a plurality of antennas inside the antenna 10 (four planar antennas in the example of FIG. 2). ) Is a control signal for instructing to change the phase. Based on this control signal, the antenna 10 changes the direction of the antenna by a motor or the like (not shown) or changes the phase of each of a plurality of internal antennas by a phase shifter or the like (not shown). Is changed. When the irradiation direction of the radio wave is changed, the irradiation region of the radio wave by the antenna 10 changes, and the region in which the emission color of the penlight 20 is controlled moves.

Further, the control signal for changing the radio wave intensity is, for example, a control signal for instructing the radio wave intensity after the change in the antenna 10 or instructing the degree of increasing or decreasing the radio wave intensity. When the intensity of the radio wave is increased, for example, the radio wave can easily reach even in a place where the crowd is crowded, and the irradiation area of the radio wave becomes large. Further, when the intensity of the radio wave is reduced, the irradiation area of the radio wave becomes smaller.
Further, the control signal for changing the beam width of the radio wave is, for example, a control signal for instructing the changed beam width in the antenna 10 or for instructing the degree of increasing or decreasing the beam width. Based on this control signal, the antenna 10 stops, for example, irradiation of radio waves from two outer antennas among a plurality of antennas (four planar antennas in the example of FIG. 2) inside the antenna 10. The beam width of the radio wave is changed by providing a difference between the radio wave intensity of the outer antenna and the radio wave intensity of the inner antenna. When the beam width of the radio wave is widened, the irradiation area of the radio wave becomes large, and when the beam width of the radio wave is narrowed, the irradiation area of the radio wave becomes small.

(4) The control signal generation unit 301 may generate a control signal for adjusting a transmission interval at which the antenna 10 transmits the color instruction information. Here, the transmission interval for transmitting the color instruction information may be changed for each antenna 10.

The control signal transmission unit 302 transmits the control signal generated by the control signal generation unit 301 to each antenna 10 according to the effect of the penlight 20.
For example, by transmitting a control signal for controlling the content of the color instruction information to the antenna 10, the control signal transmission unit 302 irradiates the antenna 10 with a radio wave and causes the penlight 20 existing in the radio wave irradiation area to be irradiated. Instruct to emit light.
In addition, for example, the control signal transmission unit 302 transmits a control signal for controlling the radio wave irradiation area to the antenna 10 to instruct the antenna 10 to change the radio wave irradiation area.

The host computer 30 stores a program for effecting with the penlight 20 at the event site (hereinafter referred to as an effect program). When the host computer 30 is realized by, for example, the hardware configuration illustrated in FIG. 4, the effect program stored in the HDD 34 or the like is read into the RAM 33 and executed by the CPU 31 so that the control signal illustrated in FIG. Functional units such as the generation unit 301 and the control signal transmission unit 302 are realized.
In the present embodiment, the host computer 30 does not generate a control signal for the antenna 10 by executing the effect program, but, for example, transmits the control signal generated by a computer other than the host computer 30 to the host computer. 30 may be stored.

<Emission procedure of penlight>
Next, the procedure of the light emission process in the penlight 20 will be described. FIG. 7 is a flowchart illustrating an example of a procedure of a light emission process in the penlight 20. The process shown in FIG. 7 is repeatedly executed at predetermined time intervals.

The radio wave information acquisition unit 231 determines whether a radio wave has been received from the antenna 10 (S101). When a negative determination (NO) is made in S101, this processing flow ends. In this case, the emission color control by the emission color control unit 233 is not performed. That is, the light emitting unit 22 does not emit light, and the penlight 20 is turned off.
On the other hand, when a positive determination (YES) is made in S101, the radio wave information acquisition unit 231 determines whether radio waves have been received from the plurality of antennas 10 (S102). When a positive determination (YES) is made in S102, the radio wave intensity determination unit 232 specifies the radio wave with the highest intensity among the radio waves received from the plurality of antennas 10 (S103).

場合 When a negative determination (NO) is made in S102 or after S103, the radio wave intensity determination unit 232 determines whether or not the intensity of the radio wave received from the antenna 10 exceeds the radio wave intensity threshold (S104). Here, if a negative determination (NO) is made in S102, the penlight 20 receives a radio wave from one antenna 10, so that the determination in S104 is performed on the radio wave. If an affirmative determination (YES) is made in S102, the determination in S104 is performed on the radio wave specified in S103.

When a negative determination (NO) is made in S104, this processing flow ends. In this case, the emission color control by the emission color control unit 233 is not performed. That is, the light emitting unit 22 does not emit light, and the penlight 20 is turned off.
On the other hand, when a positive determination (YES) is made in S104, the emission color control unit 233 acquires the color instruction information included in the advertisement packet transmitted by the radio wave for the radio wave determined to exceed the radio field intensity threshold. (S105). Next, the emission color control unit 233 controls the emission color of the light emitting unit 22 based on the acquired color instruction information (S106). Under the control of the emission color control unit 233, the emission unit 22 emits light in the emission color specified by the color instruction information. Then, the processing flow ends.

In the example shown in FIG. 7, the process of S104 is performed, but the process of S104 may not be performed. In this case, if a negative determination (NO) is made in S102, the penlight 20 has received a radio wave from one antenna 10, so in S105, the color included in the advertisement packet transmitted by the radio wave is transmitted. Obtain instruction information. If an affirmative determination (YES) is made in S102, color instruction information included in the advertisement packet transmitted by the radio wave specified in S103 is obtained in S105.

<Setting the radio wave characteristics of the antenna>
In a predetermined area such as an event venue, the effect of the penlight 20 is performed by radio waves emitted by the antenna 10. Here, the antenna 10 can set radio wave characteristics so as to irradiate a radio wave to a specific partial area (or the entire area) within a predetermined area, and the radio wave is set based on the radio wave characteristic. To cause the penlight 20 in a part (or all) of the area to emit light. As the radio wave characteristics, the irradiation direction of the radio wave, the intensity of the radio wave irradiated by the antenna 10, the directivity (that is, the beam width of the radio wave), and the like are set.
The antenna 10 emits a radio wave toward a specific area (in other words, a specific direction) depending on the directivity, but the radio wave itself spreads over the entire space although it is strong or weak. That is, the antenna 10 emits the strongest (that is, high radio wave intensity) radio waves to a specific area in a predetermined area. In other words, the antenna 10 irradiates a specific area of the predetermined area with a stronger radio wave than other areas excluding the specific area of the predetermined area.

To explain further, the radio characteristics of the antenna 10 installed in a predetermined area are adjusted according to the frequency of the communication system to be used, the area size, the number of spectators, the effect contents, and the like. For example, when using the Bluetooth @ LE broadcast communication system, a 2.4 GHz frequency band is used. Further, the location where the antenna 10 is installed, the radiation direction of the radio wave of the antenna 10, the radio wave intensity, the directivity, and other radio characteristics are determined by the area size, the number of spectators, the contents of the performance, and the like.

More specifically, for example, what kind of irradiation area is divided into a predetermined area and the effect is determined based on the content of the effect. For example, in a case where a predetermined area is divided into ten places (hereinafter, the divided area is referred to as a unit area), and a color effect is produced for each of ten unit areas, ten antennas 10 are prepared. You. Then, an antenna 10 is allocated to each unit area, and a radio wave is emitted from each of the antennas 10 to the unit area to produce an effect.

However, the number of antennas 10 to be prepared also takes into account the size of the unit area and the number of spectators in the unit area. For example, when the radio wave emitted by the antenna 10 is vertically polarized, the radio wave intensity is 0 dBm, and the beam width is 30 to 40 degrees, the distance to the penlight 20 held by the spectator is 1 m, and the spectator density is 2.5. When radiating radio waves toward the unit area of / m ² , the antennas 10 are arranged at intervals of 3 m with respect to the size of the unit area. In addition, since the radio wave becomes easier to reach as the number of spectators decreases and the density decreases, for example, if the density of spectators in a unit area becomes １ ／ of 2.5 / m ² , the antennas 10 are arranged at intervals of 6 m. You.

{Circle around (5)} The antenna 10 is installed in a place where the unit area can be irradiated with radio waves and where the antenna 10 can be installed. In the case of Bluetooth @ LE, the communicable distance can be set from 1 m to several tens of meters depending on the strength of the radio wave. After the antenna 10 is installed, detailed setting of the radio wave characteristics is performed. Here, according to the unit area to which the antenna 10 is assigned, adjustment of the direction of radio wave irradiation of the antenna 10, intensity of radio wave, directivity, and the like are performed.

<Specific example of processing performed in communication system>
Next, a flow of processing performed in the effect system 1 will be described with a specific example. FIG. 8 is a diagram illustrating a specific example for describing the flow of the processing performed in the effect system 1.

The host computer 30 generates a control signal for the antenna 10 for each antenna 10 by executing the production program. Here, the host computer 30 generates a control signal for controlling the content of the color instruction information and a control signal for controlling the irradiation area of the radio wave by the antenna 10 for each antenna 10 according to the effect by the penlight 20.

When generating a control signal for each antenna 10, the host computer 30 transmits the generated control signal to the antenna 10-5. Upon receiving the control signal from the host computer 30, the antenna 10-5 performs processing based on the control signal addressed to itself, and transmits the control signal addressed to the antennas 10-1 to 10-4 to the antenna 10-4. .
More specifically, when receiving a control signal for controlling the content of the color instruction information from the host computer 30, the antenna 10-5 generates the color instruction information based on the control signal. Then, the antenna 10-5 radiates a radio wave in a specific direction, and transmits an advertisement packet including the generated color instruction information by a broadcast communication method. Here, the antenna 10-5 periodically (for example, ten times per second) transmits an advertisement packet including color indication information. The advertisement packet also includes device information of the antenna 10, such as the address (ID) of the antenna (here, the antenna 10-5). The advertisement packet also includes information indicating that the signal is a signal in the effect system 1 (for example, the ID of the effect system 1).

Similarly to the antenna 10-5, the antennas 10-2 to 10-4 also generate color instruction information based on a control signal addressed to themselves. Then, the antennas 10-2 to 10-4 radiate radio waves in a specific direction, and transmit an advertisement packet including the generated color instruction information by a broadcast communication method. In addition, a control signal from the host computer 30 is transmitted to the adjacent antenna 10. When receiving the control signal from the host computer 30, the antenna 10-1 also generates color instruction information based on the control signal addressed to itself. Then, radio waves are emitted in a specific direction, and an advertisement packet including the generated color instruction information is transmitted by a broadcast communication method.

In addition, in Bluetooth LE, communication is performed by switching 40 channels obtained by dividing a frequency band from 2.400 GHz to 2.4835 GHz for each 2 MHz. Of these 40 channels, three channels (channel indexes 37, 38, and 39) are advertisement channels used for transmitting advertisement packets. The channel index 37 has a center frequency of 2.402 GHz, the channel index 38 has a center frequency of 2.426 GHz, and the channel index 39 has a center frequency of 2.480 GHz. That is, the upper limit, the lower limit and the approximate center of the frequency band from 2.400 GHz to 2.4835 GHz used by Bluetooth LE are set. Note that the other channels are data channels.
Then, the antenna 10 transmits an advertisement packet using an advertisement channel as a broadcaster. Here, the antenna 10 sequentially transmits the advertisement packets to three advertisement channels having different center frequencies. However, since the frequency of the radio wave changes depending on the advertisement channel used, one or two of the three advertisement channels may be used based on an instruction from the host computer 30 or the like.

In the case of the antenna 10-5, as shown in FIG. That is, the area 205 is a unit area to which the antenna 10-5 is assigned, and is an area where the antenna 10-5 radiates radio waves. Therefore, the penlights 20-13 to 20-15 existing in the area 205 receive the radio wave from the antenna 10-5.
Here, when the penlight 20-13 also receives radio waves from other antennas 10 such as the antennas 10-1 to 10-4 in addition to the antenna 10-5, the penlights 20-13 receive from the plurality of antennas 10. The radio wave with the highest intensity is specified from the radio waves obtained. In this example, the radio wave received from the antenna 10-5 is specified as the radio wave having the highest intensity. When determining that the intensity of the radio wave received from the antenna 10-5 exceeds the radio field intensity threshold, the penlight 20-13 emits light based on the color indication information included in the advertisement packet transmitted from the antenna 10-5. The emission color of the unit 22 is controlled. In this example, it is assumed that the color instruction information from the antenna 10-5 includes an instruction to change the emission color to red. In this case, the emission color of the light emitting section 22 is controlled to be red, and the penlights 20-13 emit red light.
The penlights 20-14 and 20-15 also emit red light by radio waves received from the antenna 10-5, similarly to the penlights 20-13.

It should be noted that, between the two devices in Bluetooth @ LE, a connection is usually established by exchanging data between the devices using an advertisement channel, but in the present embodiment, when controlling the emission color of the penlight 20, an antenna is used. No connection is established between 10 and penlight 20. The penlight 20 controls the color of the light emitted from the light emitting unit 22 based on the color instruction information included in the advertisement packet.

Further, the antennas 10-1 to 10-4 also perform processing based on a control signal from the host computer 30, similarly to the antenna 10-5. In this example, as shown in FIG. 8, the radio waves of the antennas 10-1 to 10-4 are applied to the areas 201 to 204, respectively.
For example, it is assumed that the color instruction information from the antennas 10-1 to 10-4 includes an instruction to change the emission color to purple, blue, green, and yellow, respectively. In this case, the penlights 20-1 to 20-3 existing in the area 201 emit purple light according to the color instruction information transmitted from the antenna 10-1. Further, the penlights 20-4 to 20-6 existing in the area 202 emit blue light according to the color instruction information transmitted from the antenna 10-2. The penlights 20-7 to 20-9 existing in the area 203 emit green light according to the color instruction information transmitted from the antenna 10-3. The penlights 20-10 to 20-12 existing in the area 204 emit yellow light according to the color instruction information transmitted from the antenna 10-4.

As described above, the antennas 10-1 to 10-5 radiate radio waves to the areas 201 to 205, respectively. Then, the penlights 20 existing in the regions 201 to 205 emit light based on the color instruction information transmitted from each antenna 10. The radio wave of each antenna 10 is radiated to a specific area by the directivity of the antenna 10, so that the effect by the penlight 20 is performed for each radio wave irradiation area.
In this example, the host computer 30 controls the penlight 20 to emit different colors for each of the radio wave irradiation areas of the antennas 10-1 to 10-5, but the present invention is not limited to such a configuration. . In the radio wave irradiation area of the antennas 10-1 to 10-5, the emission colors may be all common colors or different emission colors may be included.

Further, for example, when changing the emission color of the penlight 20, the antenna 10 generates color instruction information indicating the changed emission color based on a control signal from the host computer 30. Then, an advertisement packet including the generated color instruction information is transmitted.
Further, for example, when receiving a control signal from the host computer 30 instructing to stop emitting radio waves, the antenna 10 stops transmitting the advertisement packet including the color instruction information. Further, information for instructing to turn off the light may be stored in the payload portion of the advertisement packet and transmitted.

For example, when the antenna 10 receives, from the host computer 30, a control signal for controlling the radio wave irradiation area by the antenna 10, the radio wave irradiation area is changed based on the control signal. For example, when the antenna 10 receives a control signal for changing the irradiation direction of the radio wave, a control signal for changing the intensity of the radio wave, a control signal for changing the beam width of the radio wave, and the like from the host computer 30, the antenna 10 is configured based on the received control signal. In addition, the radio wave irradiation direction, the radio wave intensity, the beam width, and the like are changed.

Here, as in the related art, for example, the position information of the position where the penlight 20 is arranged and the address (ID) of the penlight 20 are registered in advance, and light emission is performed based on the position information and the address (ID). When controlling the color, the emission color does not change even if the position of the penlight 20 changes. For example, when the address (ID) of the penlight 20-1 is designated to emit light in purple, even if the spectator carrying the penlight 20-1 moves from the area 201 to the area 202, the light of the penlight 20-1 is The emission color does not change. The penlight 20-1 emits purple light regardless of whether it exists in the region 201 or the region 202. For this reason, when performing an effect such as dividing the color of the penlight 20 for each specific area, for example, when the penlight 20-1 moves from the area 201 to the area 202, the penlight 20- Although 4 to 20-6 emit blue light, only the penlight 20-1 emits purple light.

On the other hand, in the present embodiment, for example, when the penlight 20-1 is present in the area 201, the penlight 20-1 emits purple light according to the color instruction information transmitted from the antenna 10-1. When the spectator carrying the penlight 20-1 moves from the area 201 to the area 202, the emission color of the penlight 20-1 changes from purple to blue according to the color instruction information transmitted from the antenna 10-2. . That is, when performing an effect such that the color of the penlight 20 is divided for each specific area, for example, when the penlight 20-1 moves from the area 201 to the area 202, the penlights 20-4 to 20 existing in the area 202 Similarly to -6, the penlight 20-1 also emits blue light.
Further, in the present embodiment, when controlling the emission color of the penlight 20, the position information of the position where the penlight 20 is arranged and the address (ID) of the penlight 20 do not need to be registered in advance. Thus, for example, a spectator may bring in a penlight 20 used in another event. Further, for example, even in an event where the position of the audience is not fixed, it is possible to produce an effect such that the emission color of the penlight 20 is divided for each specific area.

In the present embodiment, instead of the antenna 10 generating the color instruction information based on the control signal transmitted from the host computer 30, for example, the host computer 30 or the like may generate the color instruction information. . In this case, the host computer 30 transmits the color instruction information to the antenna 10, and the antenna 10 stores the transmitted color instruction information in the advertisement packet.

In the present embodiment, the timing at which the penlight 20 emits light may be different for each area where the penlight 20 exists. For example, when the antennas 10-1 to 10-5 sequentially transmit color instruction information, the penlights 20 existing in the areas 201 to 205 emit light in order, and a wave-like effect is performed. In addition, by increasing the number of antennas 10 and finely dividing the irradiation area of the radio waves by the antennas 10, it is possible to produce an effect such as drawing a picture with the penlight 20 of the audience.

Further, in the present embodiment, another threshold for determining whether to change the emission color of the penlight 20 may be provided as the threshold in addition to the radio field intensity threshold.
For example, when the penlight 20 exists at the boundary between the region 201 and the region 202 shown in FIG. 8, the intensity of the radio wave from the antenna 10-1 may be the highest, or the intensity of the radio wave from the antenna 10-2 may be highest. May be the highest. Therefore, it is conceivable that the light emission color of the penlight 20 becomes purple or blue and the light emission color is not stable. Therefore, as long as the received radio wave does not have a certain level of radio wave intensity, the penlight 20 may hold the luminous color at that time without changing the luminous color.

For example, suppose that the penlight 20 receives a radio wave from the antenna 10-1 for controlling emission of purple light and emits purple light. Next, it is assumed that the penlight 20 receives a radio wave for controlling emission of blue light from the antenna 10-2. Here, the penlight 20 has a radio wave intensity (radio wave intensity A1 in this example) from the antenna 10-1 and a radio wave intensity (radio wave intensity A2 in this example) from the antenna 10-2. Compare with Then, the penlight 20 determines whether a difference obtained by subtracting the radio wave intensity A1 from the radio wave intensity A2 exceeds a predetermined threshold (hereinafter, referred to as a difference intensity threshold). If the penlight 20 determines that the difference obtained by subtracting the radio wave intensity A1 from the radio wave intensity A2 exceeds the difference intensity threshold, the penlight 20 emits a luminescent color using the radio wave of the radio wave intensity A2 (ie, the radio wave received from the antenna 10-2). Change from purple to blue. On the other hand, when it is determined that the difference obtained by subtracting the radio wave intensity A1 from the radio wave intensity A2 does not exceed the difference intensity threshold, the penlight 20 keeps the emission color purple.

By providing the difference intensity threshold in this way, even when the penlight 20 receives radio waves of the same intensity from a plurality of antennas, it is possible to suppress the emission color from becoming unstable.
Note that the radio wave intensity threshold and the difference intensity threshold may use preset default values, or may be set or changed by the antenna 10 based on an instruction from the host computer 30 or the like. .

Further, in the present embodiment, the host computer 30 determines whether or not the irradiation area of the radio wave by the antenna 10 satisfies a predetermined condition. The radio wave irradiation area may be adjusted so as to satisfy the above conditions.
For example, a condition is defined in which the area of the radio wave irradiation area by the antennas 10-1 to 10-5 is set within a predetermined range. When radio waves are emitted from the antennas 10-1 to 10-5, the areas 203 to 205 have an area within a predetermined range, but the area 201 has an area larger than the predetermined range. It is assumed that the area of 202 has become smaller than a predetermined range. In this case, the host computer 30 determines that the area 201 and the area 202 do not satisfy the predetermined condition, and adjusts them so as to satisfy the predetermined condition.

More specifically, the host computer 30 generates a control signal instructing, for example, to lower the radio wave intensity of the antenna 10-1 and increase the radio wave intensity of the antenna 10-2. With this control signal, the radio wave intensity of the antenna 10-1 decreases, and the area of the region 201 decreases. Further, the radio wave intensity of the antenna 10-2 increases, and the area of the region 202 increases. Further, the host computer 30 does not change the radio wave intensity of both the antenna 10-1 and the antenna 10-2, but lowers only the radio wave intensity of the antenna 10-1 or only the radio wave intensity of the antenna 10-2. It may be higher. In this way, the host computer 30 adjusts the intensity of radio waves emitted by the antenna 10-1 and the antenna 10-2 to adjust the areas of the region 201 and the region 202.

Further, the host computer 30 may generate, for example, a control signal instructing to change the beam width of the radio wave emitted from the antenna 10-1 or the antenna 10-2. That is, the host computer 30 may adjust the beam widths of the radio waves emitted by the antennas 10-1 and 10-2 to adjust the areas of the region 201 and the region 202.
Note that the information of the areas 201 to 205 is obtained by, for example, capturing the emission color distribution of the penlight 20 with a camera provided in the host computer 30 or a camera provided separately. The host computer 30 determines whether the radio wave irradiation area satisfies a predetermined condition based on the acquired information. In this case, it can be considered that the host computer 30 performs a process of acquiring information on the irradiation area of the radio wave.

Further, in the present embodiment, antenna 10 may be switched from the transmitting side of the radio wave to the receiving side, and the intensity of the radio wave emitted from another antenna 10 may be detected.
For example, at the time of the production, it is conceivable that the range of the radio wave is narrowed due to the large number of penlights 20, or an obstacle that blocks the radio wave of the antenna 10 appears. Therefore, for example, when each antenna 10 is installed, the intensity of the radio wave received from another antenna 10 is detected for each antenna 10. Then, before or after the effect is started, the host computer 30 transmits a control signal for controlling any one of the antennas 10 to switch from the radio wave transmitting side to the radio wave receiving side. The antenna 10 receiving the control signal switches from the transmission side of the radio wave to the reception side, and detects the intensity of the radio wave received from the other antenna 10. The antenna 10 (or the host computer 30) compares the intensity of the radio wave detected here with the intensity of the radio wave detected in advance in the installation stage of the antenna 10 to determine the difference in the radio wave intensity from the previous stage. Figure out. By grasping the difference, for example, the host computer 30 instructs the antenna 10 to reduce the difference. More specifically, for example, the host computer 30 instructs the antenna 10 to change the radio field intensity.

<Another configuration example of the communication system>
Next, another configuration example of the presentation system 1 according to the present embodiment will be described.
In the present embodiment, antenna 10 may be arranged at any position as long as it can radiate radio waves to penlight 20, and may be installed on the ceiling or floor, for example.
FIGS. 9A and 9B are diagrams illustrating an example of a case where the antenna 10 is installed on a ceiling. In this example, one antenna 10 is installed on the ceiling, and radio waves are emitted from the antenna 10 to the area 206. Then, the penlights 20-13 to 20-15 existing in the area 206 receive the radio wave from the antenna 10. Here, when the color instruction information from the antenna 10 includes an instruction to change the emission color to red, the penlights 20-13 to 20-15 emit red light.

Further, when the direction in which the antenna 10 emits radio waves is changed from the state of FIG. 9A, the position of the region 206 moves as shown in FIG. 9B. Then, the penlights 20-1 to 20-3 existing in the area 206 receive the radio wave from the antenna 10 and emit red light. On the other hand, the penlights 20-13 to 20-15 do not receive radio waves from the antenna 10 and do not emit red light but go out.
In this way, when the antenna 10 is installed on the ceiling, the emission color of the penlight 20 in a limited area is controlled as if a spotlight was used.

Also, a person may carry the antenna 10. FIG. 10 is a diagram illustrating an example of a case where a person carries the antenna 10. For example, when the performer of the concert carries the antenna 10 and points it in an arbitrary direction, radio waves are emitted to the area 207 in the direction in which the antenna 10 is turned. Then, the penlights 20-1 and 20-2 existing in the area 207 receive the radio wave from the antenna 10. Here, when the color instruction information from the antenna 10 includes an instruction to change the emission color to red, the penlights 20-1 and 20-2 emit red light. When the performer points the antenna 10 in a different direction, the position of the area 207 moves, and the penlight 20 existing in the area 207 after the movement emits red light.
In this way, when a person carries the antenna 10, for example, since the emission color of the penlight 20 in the direction in which the performer points the antenna 10 is controlled, an effect that gives the performer and the audience a sense of unity is achieved. Will be possible.

制 御 A control signal is transmitted from the host computer 30 to the antenna 10 by wireless communication. Further, the antenna 10 may be provided with a button for receiving start / stop of radio wave irradiation, a button for receiving a change in radio wave intensity, a button for receiving a change in the emission color of the penlight 20, and the like. When the performer presses these buttons, start / stop of radio wave irradiation, change of radio wave intensity, change of emission color, and the like are performed.

In the examples shown in FIGS. 9 and 10, only one antenna 10 is provided, but a plurality of antennas 10 may be provided. For example, as shown in FIG. 8, antennas 10-1 to 10-5 may be provided on a wall surface, another antenna 10 may be installed on a ceiling, or a performer may carry another antenna 10. In this case, for example, the intensity of radio waves emitted by the antenna 10 installed on the ceiling or the antenna 10 carried by the performer is set to be higher than the intensity of radio waves emitted by the antennas 10-1 to 10-5. . The emission colors of the penlight 20 are controlled for each of the areas 201 to 205 by the antennas 10-1 to 10-5, and the emission of the penlight 20 is performed by the antenna 10 installed on the ceiling or the antenna 10 carried by the performer. Color is controlled.

In the present embodiment, the light emission color of the penlight 20 may be controlled in accordance with the movement of an object such as a car. FIGS. 11A and 11B are diagrams illustrating an example of a case where the emission color of the penlight 20 is controlled in accordance with the movement of the target. In the illustrated example, six antennas 10-1 to 10-6 are installed, and a plurality of penlights 20 exist. The objects 50-1 and 50-2 move in the directions indicated by the arrows.

In the example shown in FIG. 11A, the appearance of the object 50-1 is red, and the host computer 30 uses the antenna to change the color of the penlight 20 around the object 50-1 to red. A control signal is transmitted to the penlights 10-3 and 10-4 to make the emission color of the penlight 20 red. Upon receiving the control signal from the host computer 30, the antennas 10-3 and 10-4 transmit an advertisement packet including color instruction information for instructing the emission color to be red. The advertisement packets from the antennas 10-3 and 10-4 are controlled so that the emission color of the penlight 20 existing in the area 208 becomes red.
Similarly, the appearance of the target object 50-2 is blue, and the antennas 10-1 and 10-2 advertise including color instruction information for instructing the emission color to be blue according to a control signal from the host computer 30. Send a packet. The advertisement packets of the antennas 10-1 and 10-2 are controlled so that the emission color of the penlight 20 existing in the area 209 becomes blue.

Next, as shown in FIG. 11B, it is assumed that the objects 50-1 and 50-2 have moved in the directions of the arrows. In this case, the host computer 30 sets the emission color of the penlight 20 to the antennas 10-4 and 10-5 in red to make the emission color of the penlight 20 around the object 50-1 red. Is transmitted. Upon receiving the control signal from the host computer 30, the antennas 10-4 and 10-5 transmit an advertisement packet including color instruction information for instructing the emission color to be red. The advertisement packets from the antennas 10-4 and 10-5 are controlled so that the emission color of the penlight 20 existing in the area 210 becomes red. Similarly, in response to a control signal from the host computer 30, the antennas 10-2 and 10-3 transmit an advertisement packet including color instruction information for instructing the emission color to be blue. The advertisement packets from the antennas 10-2 and 10-3 are controlled so that the emission color of the penlight 20 existing in the area 211 becomes blue.
In this way, the emission color of the penlight 20 is controlled in accordance with the movement of the object.

Note that the positions of the objects 50-1 and 50-2 can be obtained, for example, by acquiring position information by GPS (Global Positioning System) or photographing the range in which the objects 50-1 and 50-2 move using a camera. It is grasped by doing. The installation location of the antenna 10 is known in advance. Therefore, the host computer 30 specifies the antenna 10 around the objects 50-1 and 50-2 based on the positions of the objects 50-1 and 50-2 and the installation location of the antenna 10.
Further, the color of the appearance of the objects 50-1 and 50-2 may be changed. In this case, the host computer 30 grasps the color of the appearance of the objects 50-1 and 50-2, for example, from a photograph obtained by regularly photographing the objects 50-1 and 50-2. Then, the host computer 30 causes the antenna 10 around the objects 50-1 and 50-2 to change the emission color of the penlight 20 to the appearance color of the objects 50-1 and 50-2. Send a control signal.

Further, in the present embodiment, the state in a predetermined area where the effect system 1 is configured may be grasped, and the emission color of the penlight 20 may be controlled according to the grasped state.
For example, the host computer 30 takes an image of a predetermined area with a camera, and grasps an area where the audience is crowded or an empty area. Then, the host computer 30 transmits a control signal for setting the emission color of the penlight 20 in the area where the audience is crowded to a specific color, or sets the emission color of the penlight 20 in the empty area to the specific color. Is generated. In addition, the host computer 30 knows the installation location of the antenna 10 in advance, and transmits a control signal to the antenna 10 that radiates radio waves to a location where the emission color of the penlight 20 is to be controlled.

Further, for example, a plurality of sensors (not shown) for sensing environmental information such as vibration, sound, light, temperature, and humidity are provided in a predetermined area where the effect system 1 is configured, and the host computer 30 Environment information sensed by each sensor may be acquired. In this case, the host computer 30 controls the light emission color of the penlight 20 by grasping a state in a predetermined area based on environmental information sensed by each sensor.
For example, the host computer 30 determines the degree of excitement of the venue at the event venue based on information on vibration, sound, and temperature detected by a plurality of sensors. Then, the host computer 30 determines, in the event venue, places with particularly large vibrations, loud sounds, and places with high temperatures as more exciting places, and the light emission of the penlights 20 present in these places. A control signal for making a color a specific color is generated. Also in this case, the host computer 30 knows the installation location of the antenna 10 in advance, and transmits a control signal to the antenna 10 that radiates radio waves to a location where the emission color of the penlight 20 is to be controlled. Note that the penlight 20 may be provided with various sensors.

Further, in the present embodiment, a plurality of antenna units 110 are provided for one antenna 10, and the same color instruction information is transmitted from each antenna unit 110 toward a specific area, and the light emission accuracy of penlight 20 Can also be increased. This utilizes the so-called diversity effect. For example, in an environment where the density of people is high, or in an environment where reflection of radio waves is likely to occur due to a large number of walls or a low ceiling, a plurality of antenna units 110 are required. Each radiates radio waves with different properties. More specifically, for example, a method of irradiating radio waves with different polarization planes (polarization diversity) and a method of irradiating radio waves with different frequencies (frequency diversity) from each of the plurality of antenna units 110 are exemplified.

Further, in the present embodiment, the emission color of penlight 20 is controlled, but the control target is not limited to penlight 20 as long as it is a receiving device that can receive radio waves from antenna 10. . For example, the emission color of the provided lighting device may be controlled by the color instruction information transmitted from the antenna 10.
Further, the present embodiment is not limited to the configuration for controlling the emission color. For example, a pattern drawn on the penlight 20 may be controlled by a signal transmitted from the antenna 10. Further, for example, the color and pattern of the screen of a portable information terminal such as a smartphone may be controlled. In this case, a portable information terminal compatible with Bluetooth LE is used, and a dedicated application is installed on the portable terminal. The screen displayed on the portable information terminal is controlled by the signal transmitted from the antenna 10.
As described above, in the present embodiment, the signal transmitted by antenna 10 only needs to include instruction information for instructing to change the appearance of the receiving device such as penlight 20. The receiving device such as the penlight 20 changes its appearance by a signal transmitted from the antenna 10.

Also, in the present embodiment, when radio waves are received from a plurality of antennas 10, the radio wave with the highest intensity is specified, but the present invention is not limited to such a configuration. When the penlight 20 receives radio waves from a plurality of antennas 10, for example, the penlight 20 does not perform the process of specifying the radio wave with the highest intensity, and emits light of the color indicated by the color indication information contained in any of the received radio waves. May emit light.

Further, in the present embodiment, the communication between the antenna 10 and the penlight 20 is performed by Bluetooth LE, but the present invention is not limited to such a configuration. The antenna 10 may transmit a signal by radio waves, and may transmit a signal by a wireless communication method other than Bluetooth LE, such as Wi-Fi (registered trademark) based on the IEEE 802.11 standard. Good.

In the present embodiment, the antenna 10 has directivity, but the antenna 10 may be non-directional. When the antenna 10 is omnidirectional, radio waves are emitted from the antenna 10 in all directions around 360 degrees. Therefore, for example, in the example shown in FIG. 8, not only the penlight 20 existing in the area 206 but also all the penlights 20 receive the radio wave from the antenna 10 and emit light as long as the radio wave from the antenna 10 reaches. For example, in the example illustrated in FIG. 9, not only the penlight 20 existing in the area 207 but also all the penlights 20 receive the radio wave from the antenna 10 and emit light as long as the radio wave from the antenna 10 reaches.

In the present embodiment, a program for realizing the function of the host computer 30 may be executed by the antenna 10 so that the antenna 10 functions as the host computer 30. For example, the antenna 10 executes a production program to generate color instruction information or change the radio wave irradiation area.

The program for realizing the embodiment of the present invention can be provided not only by communication means but also stored in a recording medium such as a CD-ROM.

Although various embodiments and modifications have been described above, these embodiments and modifications may be combined with each other.
Further, the present disclosure is not limited to the above-described embodiments at all, and can be implemented in various forms without departing from the gist of the present disclosure.

DESCRIPTION OF SYMBOLS 1 ... Communication system, 10 ... Antenna, 20 ... Penlight, 22 ... Light emitting part, 23 ... Control part, 30 ... Host computer, 110 ... Antenna part, 120 ... Communication control part, 231 ... Radio wave information acquisition part, 232 ... Radio wave Intensity determination unit, 233: emission color control unit, 301: control signal generation unit, 302: control signal transmission unit

Claims (8)

1. By a plurality of transmitting devices, radiate radio waves to a plurality of receiving devices within a predetermined area,
   Each transmission device of the plurality of transmission devices can set a radio wave characteristic so as to irradiate a radio wave toward a specific partial region in the predetermined region, and based on the radio wave characteristic, A radio wave to irradiate the radio wave to change the appearance of the receiving device in the partial area.
2. 2. The transmission system according to claim 1, wherein each of the transmission devices sets, as the radio wave characteristic, an intensity of a radio wave to be irradiated according to the partial area. 3.
3. 2. The transmission system according to claim 1, wherein each of the transmission devices sets, as the radio wave characteristic, directivity for irradiating a radio wave in a specific direction according to the partial area. 3. .
4. The transmission system according to claim 1, wherein each of the transmission devices instructs the reception devices in the partial area to emit light emitted by the reception device.
5. The individual transmission devices are switched from a radio wave transmission side to a reception side by an instruction from a control device, and detect the intensity of radio waves received from another transmission device of the plurality of transmission devices. The transmission system according to claim 1.
6. An individual transmitting device among a plurality of transmitting devices that irradiates a plurality of receiving devices within a predetermined area with radio waves,
   The individual transmitting devices are:
   Radio wave characteristics can be set so as to irradiate a radio wave toward a specific part of the predetermined area,
   A transmitting device, wherein the transmitting device irradiates a radio wave based on the radio wave characteristic to change the appearance of the receiving device in the partial area.
7. Acquiring means for acquiring instruction information for instructing the emission color of the light emitting device;
   A transmitting device comprising: an irradiating unit configured to irradiate a radio wave including the acquired instruction information by broadcast communication of Bluetooth Low Energy.
8. A plurality of receiving devices used for directing in a predetermined area,
   A plurality of transmitting devices that irradiate the predetermined region with radio waves and change the appearance of the receiving device present in the radio wave irradiation region,
   A production system comprising: a control device that instructs each of the plurality of transmission devices to change the appearance of the reception device existing in the radio wave irradiation area in accordance with the production.

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