JP2003295809A - Audiovisual display system for information using data carrier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system in which required and sufficient information is visually and audibly displayed for viewers or the like without the need for a great number of facilities and with a simple device. <P>SOLUTION: An audiovisual display system consists of: data carriers 1 having an electromagnetic induction communication function and a rewritable storage function; and a reader writer 2 connected to a visual display unit 4 or (and) a sound reproducing unit 8 and having the electromagnetic induction communication function. The data carriers 1 formed of an integrated circuit and storing the contents of information are superimposed on a number of characters, diagrams, symbols, color codes, or the like showing its position or arranged at its vicinity. <P>COPYRIGHT: (C)2004,JPO

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention uses a data carrier and a reader / writer, which are portable information devices, and can be used in museums, botanical gardens, and exhibitions, regardless of whether indoors or outdoors. The present invention relates to a system for visually or (and / or) audibly displaying information such as an exhibition at a party or a store. 2. Description of the Related Art In a museum or the like, information such as the origin and properties of the object is displayed on a display panel in the form of characters, a table, or a figure near the object to be displayed. However, if the amount of information is large, it is not possible to display all necessary information in a limited area of the display panel. Therefore, recently, a display device such as a projector, an audio device such as a tape recorder, or a personal computer has been installed near the exhibit, and a visitor selects information about the exhibit of his or her interest,
The information stored in the memory is called and displayed in an explanatory sentence, or a sound is played. On the other hand, a data carrier system has begun to be used for management of entering / leaving a specific room, a railway ticket, entry / exit of a parking lot, electronic money, prevention of shoplifting of goods, and the like. This data carrier system uses a reader / writer called an interrogator to transfer information stored in a data carrier (responder) which is carried by a person or is attached to a product or the like and which moves in a non-contact but extremely close range. Inquiry and response are made via electromagnetic induction (wireless communication) as a medium. [0004] In the museums and exhibitions described above, the types of exhibits are very diverse and many.
Therefore, installing a projector, a tape recorder, or a personal computer for each exhibit requires a large amount of equipment. Accordingly, the present invention provides a system which does not require such a large amount of equipment and can visually and audibly display necessary and sufficient information to a visitor or the like with a simple device to which a data carrier system is applied. It is. An audiovisual display system for information of the present invention, which has been made to achieve the above object, has an electromagnetic induction communication function and a rewritable function as shown in FIG. 1 corresponding to an embodiment. Data carrier 1 having a simple storage function,
An audiovisual display system comprising a reader / writer 2 having an electromagnetic inductive communication function connected to a visual display device 4 and / or a sound reproduction device 8, wherein a data carrier 1 which is formed into an IC and stores information contents is provided. , Are arranged in the vicinity of, or in the vicinity of, some characters, figures, symbols, color codes, or the like indicating the positions. Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram showing an example in which an audiovisual display system for information to which the present invention is applied is used for explaining an exhibit in an exhibition. This transmission system includes a data carrier (responder) 1 and a reader / writer (interrogator) 2. FIG. 2 is a block circuit diagram showing a schematic configuration of the audiovisual display system. The data carrier 1 includes a radio transmitting / receiving circuit, an RF circuit having a modulator and a demodulator, an arithmetic control circuit MPU, and a rewritable read-only memory circuit P
ROM (Programmable Read Only Memory) is an IC (Inte
grated Circuit). A loop antenna 10 is formed integrally with this IC. The reader / writer 2 includes a circuit body 3, a liquid crystal display unit 4, a sound source reproducing circuit 5, operation keys 6, a loop antenna 7, and a power supply battery Power. The circuit body 3 includes a radio transmitting / receiving circuit, a modulator, an RF circuit having a demodulator,
Operation control circuit MPU and random access memory R
AM. The wireless transmitting and receiving circuit of the circuit body 3 is tuned to the wireless transmitting and receiving circuit of the data carrier 1 so that the communication frequency is tuned. Operation key 6 has data carrier 1
A function key for writing data into the data carrier, a question function key for inquiring data to the data carrier 1 and calling the data, etc. are incorporated alone or in combination. A receiver 8 is connected to the sound source reproduction circuit 5. The reader / writer 2 has a wireless LAN.
A (local area network) card 9 is connected to enable communication with a host computer. The host computer stores necessary data such as a list of exhibits and a description of the exhibits. The IC of the data carrier 1 has a finger mark 14A written as "exhibit A" on the display panel 12 hung near an exhibit A (not shown) in the form of a film in which the loop antenna 10 is integrally formed. Is attached from the back side to the position. Finger mark 14B with "Exhibit B"
The data carrier 1 is also stuck on the back side of. [0013] Such an audiovisual display system for information is operated and used as follows. A series of circuit operations are controlled by the arithmetic control circuit MPU in the reader / writer 2 and the arithmetic control circuit MPU in the data carrier 1. The exhibitor or the manager of the exhibit operates the key 6 of the reader / writer 2 to access the host computer, retrieves the data describing the exhibit A, and retrieves the data of the exhibit A into the random access memory RAM. Next, the reader / writer 2 is brought close to or in contact with the position of the finger mark 14A of the display panel 12 from the surface, and then the data for the description of the exhibit A is stored in the read-only storage circuit PRO of the data carrier 1.
The write function key is operated to write in M. That is, the data called from the random access memory RAM is modulated by the modulator of the RF circuit of the reader / writer 2, and the electromagnetic wave oscillates from the antenna 10 via the wireless transmission / reception circuit. The data is tuned and received by the wireless transmission / reception circuit of the RF circuit via the antenna 7 of the data carrier 1, the data of the description of the exhibit A is modulated by the demodulator, and written into the read-only memory circuit PROM. The reader / writer 2 is reset, and the description data of the exhibit B is written to the read-only storage circuit PROM of the data carrier 1 attached to the back surface at the position of the finger mark 14B by the same operation. This completes the exhibition preparation for the exhibitor or the administrator. The visitor borrows the reader / writer 2,
Receive an explanation of an exhibit that interests them, for example, Exhibit A. First, the finger mark 14A of the exhibit A on the display panel 12
When the reader / writer 2 is brought close to the position and the question function key is operated, data for interrogation is modulated and oscillates from the RF circuit of the reader / writer 2 via the antenna 10. This electromagnetic wave is tuned and received by the wireless transmission / reception circuit via the antenna 7 of the data carrier 1, and data for interrogation, that is, a read signal for the read-only storage circuit PROM is demodulated by the demodulator. According to the read signal, the stored contents of the read-only storage circuit PROM, that is, the data of the description of the exhibit A are read out, flow to the RF circuit of the data carrier 1, and oscillate from the antenna 7. This electromagnetic wave is tuned and received by the wireless transmission / reception circuit via the antenna 10 of the reader / writer 2, demodulated by the demodulator, and sent to the liquid crystal display unit 4 or the sound source reproduction circuit 5. Then, the display item A is displayed on the liquid crystal display unit 4.
Is displayed. Further, a sound source reproducing circuit 5
, The explanation sound of the exhibit A or the background music according to the situation is played. In the embodiment shown in FIG. 3, the audiovisual display system for information of the present invention is used for explaining plants to be displayed in an outdoor botanical garden. The data carrier 1 is attached from the back side to the display panel 15 of "about pine" hung on the pine tree 18, and the description of the pine tree is written in the read-only storage circuit PROM of the data carrier 1 by the method described above. It is rare. Similarly, a description of the cedar tree is written in the read-only storage circuit PROM of the data carrier 1 on the display panel 16 of “about cedar” hung on the cedar tree 19. If the visitor who wants to know about pine brings the reader / writer 2 close to the display panel 15 of “about pine”, the explanation of pine is displayed on the liquid crystal display unit 4 and the explanation sound of pine is heard from the receiver 8. The connection between the reader / writer and the host computer may be a wired connection. In addition, if a rewritable read-only storage circuit is provided in the reader / writer to store the data of the description of the exhibit, and if necessary, the data can be rewritten by connecting to a computer,
The connection by LAN can be omitted. The reader / writer can be connected to a separate large-sized display device or printer so that it can be viewed on a large screen or printed and received with explanatory texts and charts. Furthermore, in order to prevent inadvertent rewriting of the data carrier by the visitor, a guard function may be added to the reader / writer, or the reader / writer may be divided into a write-only reader / writer for the administrator and a reader / writer only for the question for the visitor. . In the above embodiment, both the visual display device including the liquid crystal display unit and the audio reproduction device including the sound source reproduction circuit and the receiver are provided. Either one of them, that is, the visual display device or the sound source reproduction circuit is provided. Audiovisual display system provided with As described in detail above, the audiovisual display system for information to which the present invention is applied does not require a large amount of equipment, and can provide necessary and sufficient information with a simple device by a visitor or the like. It can appeal to both sight and hearing. Even if a large amount of information is stored in the system, the system is compact, and the information can be easily rewritten by a simple operation, so that the latest information can always be provided. So the museum,
It can be used to explain exhibits at exhibitions and shops, and can provide detailed explanations for each exhibit. In particular, since the data carrier can be applied even if it is attached from the back side of the display panel, there is no irregularity or change on the front side, so that it does not hinder the display surface. There is no discomfort in appearance. Since the reader / writer is portable and the data carrier is formed into an IC and is operated by the electromagnetic induction communication function, the reader / writer can be sealed and can be used even in an environment exposed to wind and rain outdoors.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external view showing a use state of an audiovisual display system for information to which the present invention is applied. FIG. 2 is a block circuit diagram showing a schematic configuration of an audiovisual display system for information to which the present invention is applied. FIG. 3 is an external view showing another state of use of the audiovisual display system for information to which the present invention is applied. [Description of Signs] 1 is a data carrier, 2 is a reader / writer, 3 is a circuit body, 4 is a liquid crystal display, 5 is a sound source reproducing circuit, 6 is an operation key, 7 is a loop antenna, 8 is a receiver, and 9 is a wireless L.
AN, 10 is a loop antenna, 12, 15, and 16 are display panels, and 14A and 14B are finger marks. 18 is a pine tree, 19 is a cedar tree.

Claims (1)

Claims 1. A data carrier having an electromagnetic induction communication function and a rewritable storage function, and a reader / writer connected to a visual display device and / or a sound reproduction device and having an electromagnetic induction communication function. An audiovisual display system, wherein the data carrier, which is in the form of an IC and stores the contents of information, is provided with some characters, figures, symbols,
An audiovisual display system for information, characterized in that it is superimposed on a color or the like or is arranged in the vicinity thereof.