Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal level detecting using a reference signal
Reexamination Certificate
2011-05-31
2011-05-31
Ortiz Criado, Jorge L (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal level detecting using a reference signal
C369S059180, C369S059210, C369S059270
Reexamination Certificate
active
07952974
ABSTRACT:
An apparatus and method for measuring the quality of a signal on an optical disc based on level information of a viterbi decoder are provided. The signal quality measuring apparatus includes: a binary unit that generates binary signals from input RF signals; a channel identifier that receives the input RF signals and the binary signals output from the binary unit and outputs reference level values corresponding to the binary signals; and an information calculator that receives the reference level values and detects a signal quality value.
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Korean Office Action issued on Dec. 21, 2009, in counterpart Korean Application No. 2003-64158 (citing US 2002/0071194 first cited in Office Action of Dec. 30, 2008, issued in present application) (4 pages, in Korean, no English translation).
Cho Eing-seob
Lee Jae-Wook
Lee Jung-Hyun
Park Hyun-Soo
Ryu Eun-jin
Criado Jorge L Ortiz
NSIP Law
Samung Electronics Co., Ltd.
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