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“LS Ubiquitous RF-ID System”
1.3 Operation Principle of RFID System
The operation principle of RFID Reader is that if the radio wave is sent through the
antenna of Reader as shown on [Figure 1.3.1], the tag becomes activated by getting the
energy from the receiving radio wave. The activated tag sends its own information to the
Reader over the radio and the Reader receives this information of tag.
Attach the tag to the object for recognition.
As the tag attached object approaches, the Reader recognizes.
Reader Antenna
The host computer verifies the recognition.
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Product name : GPAM2000
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Manufacturer : LS Industrial System
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Manufactured date : Aug. 10, 2003
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Person in charge : Hong, Gil Dong
Summary of Contents for LGRF-H
Page 23: ...23 70 LS Ubiquitous RF ID System 2 4 Product Appearance and Dimension Fig 2 4 1 LGRF H Reader...
Page 24: ...24 70 LS Ubiquitous RF ID System Fig 2 4 2 LGRF H Reader Fig 2 4 3 Antenna A Type...
Page 25: ...25 70 LS Ubiquitous RF ID System Fig 2 4 4 Antenna B Type Fig 2 4 5 Antenna C Type...
Page 70: ...70 70 LS Ubiquitous RF ID System 2 Example of MELSEC PLC ASCII mode communication...
