RFID and Block Diagram Questions, help please

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Discussion Overview

The discussion revolves around questions related to RFID technology and block diagram components. Participants seek clarification on specific elements of a block diagram and examples of auto-identification systems beyond RFID and barcodes. The scope includes conceptual understanding and technical details of RFID operations.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • Participants inquire about the missing components of a block diagram, specifically elements (2), (3), (4), and (6).
  • Some participants suggest that more effort is needed in researching RFID before seeking help, asking for links to resources.
  • One participant expresses difficulty in finding examples of auto-identification systems beyond RFID and barcodes, requesting assistance.
  • Another participant defines "auto-identification system" and provides a link to a resource, mentioning technologies like barcodes, OCR, RFID, magnetic stripes, and voice recognition as part of Auto-ID.
  • There is a discussion about whether examples such as automobile, auto-tolling, and mall cards are valid instances of auto-identification systems.
  • A participant describes the operation of RFID, detailing how it uses radio-frequency electromagnetic fields for data transfer and the roles of tags and readers, while seeking feedback on the accuracy and completeness of their explanation.

Areas of Agreement / Disagreement

The discussion remains unresolved, with participants expressing varying levels of understanding and differing opinions on the examples of auto-identification systems and the completeness of the RFID operation explanation.

Contextual Notes

Some participants have not provided specific definitions or examples, leading to ambiguity in the discussion. There are also requests for clarification on terms and concepts that have not been fully addressed.

hjkklm
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Questions are shown on the pictures.

For the block diagram, I know
(1) error signal
(5) output
(7) feedback signal

What are the (2), (3), (4) and (6)?



Besides, how to answer the RFID questions?
Ans. 1. For example, mall card?
Ans. 2.
Ans. 3.
Ans. 4.
Ans. 5.
Please help!
 

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hjkklm said:
Questions are shown on the pictures.

For the block diagram, I know
(1) error signal
(5) output
(7) feedback signal

What are the (2), (3), (4) and (6)?



Besides, how to answer the RFID questions?
Ans. 1. For example, mall card?
Ans. 2.
Ans. 3.
Ans. 4.
Ans. 5.
Please help!

You need to show a lot more effort than that before we can offer tutorial assistance. What websites have you been reading about RFID? Post links please. And then if you have specific questions about things being said in the links, ask us those specific questions about the info in the links.

This set of questions is easy if you just put a little effort into reading abour RFID systems first, instead of asking us to do your homework for you...
 
I have solved some questions.
But here is a question which I cannot solve.
Anyone know any examples for an auto-identification system that example is needed beside RFID and bar code systems? It cannot find from the Google.
Please help, thanks a lot.
 
hjkklm said:
I have solved some questions.
But here is a question which I cannot solve.
Anyone know any examples for an auto-identification system that example is needed beside RFID and bar code systems? It cannot find from the Google.
Please help, thanks a lot.

Could you please define "auto-identification system"? What does that mean? Can you post a link?
 
berkeman said:
Could you please define "auto-identification system"? What does that mean? Can you post a link?

Link here http://www.iaarc.org/publications/fulltext/isarc2004-S19-07.pdf

Auto-ID (Automatic Identification) system is a proven technology of providing a more accurate, detailed, timely and advanced information for architectural operation.

It is also indicated barcodes, optical character recognition (OCR), radio frequency identification (RFID), magnetic stripe and voice recognition are used for Auto-ID.

But I don't know what are examples of RFID and Bar codes for the auto-identification system.
Automobile, auto-tolling, mall card, are these correct beside RFID and Bar codes?
 
Another one question for the operation of RFID,
I think it and respond as following.

RFID use of radio-frequency electromagnetic fields to transfer data. The tags contain electronically stored information. Some tags are powered by and read at short ranges via magnetic fields, and then act as a passive transponder to emit microwaves or UHF radio waves. The tags which is attached to the item needing identification and the interrogator, or reader, which in some cases is used to both power the tag and read its data without contact.

For the above content of operation of RFID, anything is wrong that necessary to improve, or even delete? Furthermore anything is needed to add in this content? Thanks.
 

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