Invention Grant
- Patent Title: Apparatus for embedding and reproducing watermark into and from contents data
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Application No.: US10067920Application Date: 2002-02-08
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Publication No.: US07113612B2Publication Date: 2006-09-26
- Inventor: Takayuki Sugahara , Masayoshi Nishitani
- Applicant: Takayuki Sugahara , Masayoshi Nishitani
- Applicant Address: JP Yokohama
- Assignee: Victor Company of Japan, Ltd.
- Current Assignee: Victor Company of Japan, Ltd.
- Current Assignee Address: JP Yokohama
- Agent Louis Woo
- Priority: JP2001-083733 20010322; JP2001-096441 20010329
- Main IPC: G06K9/00
- IPC: G06K9/00
Abstract:
An apparatus for embedding a watermark into contents data includes a parameter converting device for converting a parameter of first contents data to generate second contents data. A mixing device operates for embedding parameter information into the second contents data as watermark information. The parameter information represents a condition of the conversion of the parameter by the parameter converting device. The watermark information may include copyright information.
Public/Granted literature
- US20020136428A1 Apparatus for embedding and reproducing watermark into and from contents data Public/Granted day:2002-09-26
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