WIRELESS TRANSMITTER-RECEIVER AND MOBILE OBJECT MANAGEMENT SYSTEM
First Claim
1. A wireless transmitter-receiver, comprising:
- a sensor that acquires one or more pieces of information;
a location information acquisition unit;
a clock information acquisition unit;
a clock function unit that stores the clock information;
a wireless LAN transmitter-receiver unit; and
a central processing unit that controls each unit;
wherein the wireless transmitter-receiver periodically and wirelessly transmits the sensor information, the location information, and the clock information within a coverage area where a wireless LAN access point is accessible.
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Accused Products
Abstract
A concise and low cost mobile object management system which is capable of monitoring a state of a mobile object via a wireless transmitter-receiver having a wireless LAN function is provided. The mobile object management system includes a sensor for acquiring various information of a mobile object, a clock information acquisition unit, a memory unit for storing data, and a wireless LAN transmitter-receiver unit, each controlled by a Central Processing Unit, and transmits wirelessly a state of a measured object on the mobile object, location information, and clock information. By adopting a wireless LAN for the wireless transmitting and receiving function, it is possible to implement a concise and low cost system which is highly versatile and capable of utilizing a most common infrastructure.
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Citations
20 Claims
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1. A wireless transmitter-receiver, comprising:
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a sensor that acquires one or more pieces of information; a location information acquisition unit; a clock information acquisition unit; a clock function unit that stores the clock information; a wireless LAN transmitter-receiver unit; and a central processing unit that controls each unit; wherein the wireless transmitter-receiver periodically and wirelessly transmits the sensor information, the location information, and the clock information within a coverage area where a wireless LAN access point is accessible. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20)
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14. A mobile object management system comprising:
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a data server connected to the Internet; a wireless transmitter-receiver disposed on a mobile object and connected to the Internet; and a monitor terminal connected to the Internet;
wherein;the data server is accessible from the monitor terminal for browsing as an ASP (Application Service Provider; the wireless transmitter-receiver includes, a sensor that acquires one or more pieces of information, a location information acquisition unit, a clock information acquisition unit, a clock function unit that stores the clock information, a wireless LAN transmitter-receiver unit, and a central processing unit that controls each unit; and the wireless transmitter-receiver transmits the sensor information, the location information, and the clock information periodically and wirelessly within a coverage area of a wireless LAN access point.
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Specification