Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2006-09-19
2010-06-01
Lee, Benjamin C (Department: 2612)
Communications: electrical
Selective
Interrogation response
C340S010100
Reexamination Certificate
active
07728714
ABSTRACT:
When a reader of a Radio Frequency Identification (RF-ID) system sends out a command signal to the RF-ID tag and receives a response signal from the RF-ID tag, an End of Signal (EOS) of the received response signal is detected such that the next command signal can be transmitted within a time. Accordingly, response signal can be detected even under the environment of poor signal to noise ratio performance, and the EOS of the response signal from the RF-ID tag can be recognized with ease and speed.
REFERENCES:
patent: 5548291 (1996-08-01), Meier et al.
patent: 5838249 (1998-11-01), Saito et al.
patent: 2005/0253721 (2005-11-01), Herring et al.
Hwang Seok-joong
Kang Woo-shik
Kim Seon-wook
Koo Ji-hun
Yang Jin-young
Bee Andrew
Lee Benjamin C
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
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