Security system and its program

Abstract

There are provided a communication system, a communication method, and a program thereof capable of easily building a system in which communication between an IC tag and a mobile information terminal having a built-in or externally-attached reader / writer is used, so that, for example, URL information in the Web page for disclosing personal information stored on the IC tag is read by the reader / writer and the information is accessed, and a security system in which alarm is performed for preventing losing an article according to the communication state between the IC tag and the reader / writer, and if an article is lost, its position information can be checked by a mobile information terminal or another terminal device.

Description

[0001] This application is a divisional application for the case of "Communication System, Communication Method, and Procedure" filed by OFILM Co., Ltd. on March 19, 2004. The application number is 200480007594.3 and the invention title is "communication system, communication method and procedure". Technical field [0002] The present invention relates to a communication system and a communication method capable of easily constructing a security system using an information collection system for improving the applicability of business cards in multiple business scenarios, or using IC tags attached with IC tags (tags) of business cards, etc. And its procedures. Background technique [0003] Generally speaking, business begins with the exchange of business cards with each other, which is usually common in business establishments. [0004] However, many of the business cards distributed are actually only written with static information in a limited space measuring approximately 9 cm x...

AI Technical Summary

Problems solved by technology

[0007] However, there is a problem that it cannot avoid the function of the traditional business card

[0008] Given the design appearance of traditional business cards, due to limited space, there is a problem that the amount of information that can be displayed is limited, and it is impossible for information previously printed on a business card to immediately rewrite the data printed on said business card

[0021] However, according to the prior art described above, there is a problem that the main telephone device and the cordless handset device must have power sources respectively in order to communicate with each other.

[0022] For example, when a cordless handset is turned off, it cannot send a reply to a check signal from the main phone even though nothing is actually missing

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