rfid for dummies

According to the internal structure of RFID tags, they are divided into active tags with battery (Tony Note: Also called active tags) and passive tags without battery (Tony Note: Also called passive tags) these two types. The Passive Tag uses the radio waves sent by the reader as the power to start the IC circuit. Therefore, it has the advantage of semi-permanent use, but the communication distance is shorter than that of the active tag. On the other

Antennas are rectangular, circular, and rod-shaped. Generally, the longer the communication distance is, the larger the size of the antenna. However, in actual use, when tags are attached to an item, even the RFID tags of the business card size are too large. In fact, the size and shape of the RFID tag in use need to be selected based on the communication distance. Currently, antenna materials include al

× Winding Process It is a process that combines an antenna and an IC loop to form a module. It takes some time to mount modules one by one on a thin board. Therefore, high costs are not suitable for mass production. However, compared with other manufacturing processes, the tag communication distance is improved. × Etching ProcessIt is a process of forming an antenna by etching aluminum or copper film on the pet Film Board. Figure 4 shows an item (using an etching antenna in an IC circuit). B

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a testing tool is introduced that is not supported by people. People should see the need to improve a specific process, and be aware that the introduction of a specific test tool may ultimately help to accomplish their work more efficiently. If an organization does not sort these three points in order, the sentence "with the test tool, dummies are still dummies" will come true. Or in other words, an organi

introduced that is not supported by people. People should see the need to improve a specific process, and be aware that the introduction of a specific test tool may ultimately help to accomplish their work more efficiently. If an organization does not sort these three points in order, the sentence "with the test tool, dummies are still dummies" will come true. Or in other words, an organization that only i

C-language dummies (1): nested loops-program structure, dummies Loop statement nesting a loop structure can contain another loop, called loop nesting, or multiple loops. The nested loop is a double loop. The outer loop is called an external loop, and the inner loop is called an internal loop. --------- I don't know where the basic concepts come from 　　 　　This is the first blog of the baby. I will not ask fo

The course report for a course in the undergraduate course period ~~ The content includes introduction to RFID, market application and prospects, working principles, risks, security and privacy policies, and a total of 5 points. Because the length is too long, we will divide it into two blog articles. The first part of this article is the introduction, market application and prospects, and working principles. 1. RFIDIntroduction

From software to hardware, IBM and other companies have long been equipped with RFID (Radio Frequency identification, radio frequency identification) technology, users are full of expectations. IDTechEx Company's latest survey shows that, including systems and services, the RFID market will rise from 2.7 billion U.S. dollars in 2006 to 12.3 billion U.S. dollars in 2010, to 2016 market size will likely expa

The worry about RFID security is not new. However, these concerns grew when the US MRT company and Chase started issuing RFID-enabled credit cards last year. The fear escalated when researchers at the University of Massachusetts announced in October this year that they had breached the credit card RFID security feature. RFID