JP2008299564A - Display management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display body management system capable of further effectively utilizing a device in which a sensor and an IC tag are linked.
A temperature sensor (13) periodically measures a temperature and records the measured value on an IC tag (12). The IC tag 12 displays the recorded measurement value on the display unit 11. In parallel, the IC tag 12 passes the recorded measurement value and its own tag ID to the short-range communication unit 14. The short-range communication unit 14 transmits the received measurement value and tag ID to the access point 20. The access point 20 transmits the received measurement value and tag ID to the management device 30. In the management device 30, the received measurement value and the tag ID are associated with each other and stored in the storage device.
[Selection] Figure 2

Description

  The present invention relates to a display management system capable of collecting information measured by a sensor in real time and displaying the measured information.

Conventionally, various sensor devices capable of measuring temperature, humidity, illuminance, pressure, impact force and the like have been used for quality control of foods and products in distribution and distribution fields. In addition, by providing a sensor device on a data carrier such as an IC tag used in recent years, it is possible to collect in real time measurement value information obtained by measurement by the sensor device together with distribution history information of individual articles. (For example, see Patent Document 1).
Japanese Patent Application No. 2006-153048

  However, the above-described sensor device only transmits information acquired by the sensor, and it cannot be said that utilization of the device in which the sensor and the IC tag are linked is sufficient.

  Therefore, an object of the present invention is to provide a display management system that can further effectively use a device in which a sensor and an IC tag are linked.

  In order to solve the above problems, in the present invention, a display body including a display body that displays information measured by a sensor, an access point that communicates with the display body, and a management device that manages information measured by each display body. In the management system, the display body includes a sensor that measures an object, a display unit that displays a measurement value measured by the sensor, and an ID that identifies the measurement value measured by the sensor. And a short-range communication unit for transmitting to the access point, the access point receiving the measurement value and ID from the display body, and the received measurement value and ID to the management device A display body tube including a storage device for storing the data transmitted from the access point in association with a tag ID; To provide a system.

  According to the present invention, the display body includes the display unit and the near field communication unit, the display unit displays the measurement value, and the near field communication unit transmits the measurement value to the management device via the access point, and performs the measurement. Since the value is managed, each display body can transmit the measured value to the person on the spot and can manage the measured value in a narrow range such as a store.

Hereinafter, the present invention will be described in detail using preferred embodiments.
FIG. 1 is a functional block diagram showing an embodiment of a display body management system according to the present invention. In FIG. 1, 10 is a display body, 20 is an access point, and 30 is a management apparatus. The display body 10 has a communication function, a display function, and an information recording function. The access point 20 is a processing device managed by the management device 30 and capable of data communication with the display body 10. The management device 30 is a device that manages each display 10 and each access point 20, and is realized by causing a computer to execute a dedicated program.

  FIG. 2 is a functional block diagram showing details of the display body 10. In FIG. 2, 11 is a display unit, 12 is an IC tag, 13 is a temperature sensor, 14 is a short-range communication unit, and 15 is a mobile phone module. The display unit 11 has a function of displaying information recorded on the IC tag, and is realized by a known display device. In this embodiment, known electronic paper is used. Although omitted in FIG. 2, the display body 10 has a battery, from which the display unit 11, the IC tag 12, the temperature sensor 13, the short-range communication unit 14, and the mobile phone module 15. Is supplied with power.

  The IC tag 12 is a known active tag that includes an antenna, a modulation unit, a memory, a CPU, and an external input / output unit, and is driven by a battery provided outside. The IC tag 12 can record information in a memory and has a function of performing wireless communication with the outside using an antenna, a modulation unit, and an external input / output unit. The communication frequency band for wireless communication using the IC tag 12 is 13.56 MHz, and the communicable distance is about 10 m.

  In the IC tag 12, the modulation unit is a part that modulates a signal output from the CPU into a signal in a communication frequency band with the RW device, and the antenna transmits the signal modulated in the modulation unit to the RW device. It is supposed to be. The memory includes a fixed data area in which a unique tag ID is recorded for each individual that enables identification of the individual of the IC tag 12 and rewriting is restricted, and a rewritable data area in which data can be additionally written and rewritten. The measurement value measured by the temperature sensor 13 is recorded in this rewritable data area. The CPU is an information processing unit that comprehensively controls other elements constituting the IC tag 12, writes the output of the temperature sensor 13 into the memory every 10 minutes, and writes the written measurement value to the short-range communication unit. 14 is transmitted. The external input / output unit includes an output unit that outputs data to a device provided outside the IC tag 12, and an input unit that receives data input from these external devices.

  The temperature sensor 13 has a function of periodically measuring the temperature around the display body 10. This temperature sensor 13 is a known temperature sensor provided with a thermistor. In the present embodiment, a temperature sensor having a measurable temperature range of −40 ° C. to 80 ° C. and a measurement resolution of 0.1 ° C. is used. The short-range communication unit 14 has a function of performing wireless communication with the access point 20. In this embodiment, bluetooth is used as a short-range communication method.

  The mobile phone module 15 is a transmission / reception unit including an antenna, a modulation unit, a memory, a CPU, and an external input / output unit. The mobile phone module 15 is a known mobile phone communication module, and can be connected to a telephone network by transmitting radio waves from an antenna to a mobile phone base station. The modulation unit converts a signal output from the CPU (specifically, a signal including a measurement value output from the IC tag 12) into a signal of a frequency band (for example, 800 MHz band, 1.5 GHz band, etc.) of the mobile phone. The antenna modulates the signal modulated by the modulator to the mobile phone base station. Note that in this specification, a “mobile phone” refers to a portable phone that can communicate with other communication devices including a telephone by performing wireless communication with a base station provided in advance, and that can be carried. The communication method is not particularly limited, and includes, for example, a PDC method, a PHS method, and the like.

  An external perspective view of the display body 10 is shown in FIG. As shown in FIG. 3, the display 10 has a configuration in which a battery 17, an IC tag 12, a temperature sensor 13, and a mobile phone module 15 are mounted on a substrate 16, and a display unit 11 is further stacked thereon. ing. Further, the short-range communication unit 14 is further mounted thereon.

  Next, the processing operation of the display body management system according to the present invention will be described. The display body 10 is in the form of a display label in appearance, and can be installed on a display shelf of goods. When the display body 10 is installed on the display shelf, the built-in temperature sensor measures the temperature and passes the acquired measurement value to the IC tag 12. The IC tag 12 records the measurement value acquired from the temperature sensor in a built-in memory. Further, the IC tag 12 passes the recorded measurement value to the display unit 11. The display unit 11 displays the received measurement value.

  Further, the IC tag 12 transmits the measured value acquired from the temperature sensor and recorded in the built-in memory to the access point 20 through the short-range communication unit 14 together with the tag ID recorded in the built-in memory. In the access point 20, the tag ID received from the short-range communication unit 14 and the measurement value are associated with each other and transmitted to the management device 30. In the management device 30, the tag ID received from the access point 20 and the measurement value are associated with each other and stored in the storage device.

  In the display body 10, the temperature sensor 13 periodically measures the temperature at a preset time interval, and the measured value is transmitted to the access point 20 via the IC tag 12 and the short-range communication unit 14. Therefore, the measurement value associated with the tag ID is also periodically transmitted to the management apparatus 30. As a result, the management device 30 can obtain time-series measurement values for each tag ID, and can manage the measurement values for each display.

  As described above, in the display body 10, the temperature sensor 13 periodically measures the temperature at a preset time interval, so that the measured value is displayed on the display unit 11 via the IC tag 12. Become. Therefore, the measured value displayed on the display unit 11 changes periodically.

  As described above, the display unit 10 communicates with the access point 20 using the short-range communication unit 14 and periodically transmits measurement values to perform quality control, and the display unit 11 measures the measurement values. Is displayed. Thus, by performing short-range communication, the position in the store can be grasped by the management device 30, and by performing display, it is also possible to know the measured value on the spot.

  Further, since the display body 10 includes the mobile phone module 15, when the display body 10 is installed on the measurement object and moves, the temperature state of the environment where the object is placed can be measured. In this case, a large number of base stations are connected to the management apparatus 30, and measurement values are accumulated in the management apparatus 30 from the mobile phone module 15 via the base station. By having both the short-range communication unit 14 and the mobile phone module 15, communication is performed using the mobile phone module 15 during movement over a long distance by a truck, and during the movement in the building, the short-range communication unit 14. Can be used for communication. That is, it is possible to grasp the situation not only during delivery of the object but also before and after delivery.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made. For example, in the above embodiment, the temperature sensor is used as the sensor, but a humidity sensor, an acceleration sensor, or a pressure sensor may be used instead of the temperature sensor.

It is a functional block diagram which shows one Embodiment of the display body management system which concerns on this invention. 3 is a functional block diagram showing details of a display body 10. FIG. 1 is an external perspective view of a display body 10.

Explanation of symbols

10 Display
11 Display
12 IC tag
13 Temperature sensor
14 Near field communication department
15 Mobile phone module
20 access points
30 Management device

Claims (2)

A display body management system having a display body that displays information measured by a sensor, an access point that communicates with the display body, and a management device that manages information measured by each display body,
The display body transmits a sensor for measuring an object, a display unit for displaying a measurement value measured by the sensor, and a measurement value measured by the sensor to the access point together with an ID for identifying itself. A short-range communication unit,
The access point includes a short-range communication unit that receives measurement values and IDs from the display body, and a data transmission unit that transmits the received measurement values and IDs to the management device.
The display management system, wherein the management device includes a storage device that stores a measurement value received from the access point in association with a tag ID. Furthermore, it has a base station that receives the measurement value and ID from the display body, and transmits the received measurement value and ID to the management device,
The display body further includes a mobile phone module that transmits a measurement value measured by the sensor to the base station together with an ID that identifies the display body,
The display management system according to claim 1, wherein the management device stores the measurement value received from the base station in the storage device in association with a tag ID.

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