Access apparatus of memory card and control method thereof
US-9514832-B2 · Dec 6, 2016 · US
RFID tag device and method of recognizing the same
US8933786B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8933786-B2 |
| Application number | US-201113331052-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 20, 2011 |
| Priority date | Dec 22, 2010 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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Provided is a radio frequency identification (RFID) tag device. The RFID tag device includes memory which stores ID information and a second count value, and a certification unit which performs a certification process according to a keyed hash value received from the outside and a result of a comparison between first and second count values received from the outside, and adjusts the second count value.
First claim
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What is claimed is: 1. A radio frequency identification (RFID) tag device comprising: a reception unit configured to receive an input message comprising a keyed hash value and a first count value from the outside; a memory configured to store identification (ID) information and a second count value; a certification unit configured to perform a certification process according to the keyed hash value received from the outside and a result of a comparison between the first and se…
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- G06K19/07309Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US8933786B2 cover?
- Provided is a radio frequency identification (RFID) tag device. The RFID tag device includes memory which stores ID information and a second count value, and a certification unit which performs a certification process according to a keyed hash value received from the outside and a result of a comparison between first and second count values received from the outside, and adjusts the second coun…
- Who is the assignee on this patent?
- Yoon Ho Sun, Ryu Ho Yong, Korea Electronics Telecomm
- What technology area does this patent fall under?
- Primary CPC classification G06K19/07309. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 13 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).