Television – Nonpictorial data packet in television format – Data separation or detection
Reexamination Certificate
2011-07-19
2011-07-19
Lee, M. (Department: 2422)
Television
Nonpictorial data packet in television format
Data separation or detection
C348S468000
Reexamination Certificate
active
07982801
ABSTRACT:
A device and a method for generating a variable slice reference level. At least two variable slice reference levels used for slicing VBI data are generated. The device includes a high/low average value generator, a reference value detector, and a slice level generator. The high/low average value generator generates an average high value and an average low value of the VBI data using a plurality of window signals. The reference value detector generates an average reference value of the VBI data using the window signals. The slice level generator outputs a high slice level and a low slice level using the average high value, the average low value, the average reference value, and a tuned factor.
REFERENCES:
patent: 6069499 (2000-05-01), Cho et al.
patent: 6912009 (2005-06-01), Orii
patent: 2002-271648 (2002-09-01), None
patent: 1998-014217 (1998-05-01), None
patent: 1999-0060496 (2005-11-01), None
English Abstract for Publication No. 1998-014217.
English Abstract for Publication No. 2002-271648.
English Abstract for Publication No. 100531340 (for 1999-0060496).
F. Chau & Associates LLC
Lee M.
Samsung Electronics Co,. Ltd.
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