CA2230183C - Systeme de codage de donnees numeriques - Google Patents

Systeme de codage de donnees numeriques Download PDF

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Publication number
CA2230183C
CA2230183C CA 2230183 CA2230183A CA2230183C CA 2230183 C CA2230183 C CA 2230183C CA 2230183 CA2230183 CA 2230183 CA 2230183 A CA2230183 A CA 2230183A CA 2230183 C CA2230183 C CA 2230183C
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CA
Canada
Prior art keywords
water mark
data
mark data
signals
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA 2230183
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English (en)
Other versions
CA2230183A1 (fr
Inventor
Shinobu Satoh
Yutaka Wakasu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Personal Computers Ltd
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of CA2230183A1 publication Critical patent/CA2230183A1/fr
Application granted granted Critical
Publication of CA2230183C publication Critical patent/CA2230183C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
CA 2230183 1997-02-24 1998-02-23 Systeme de codage de donnees numeriques Expired - Fee Related CA2230183C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3873997 1997-02-24
JP9-038739 1997-02-24

Publications (2)

Publication Number Publication Date
CA2230183A1 CA2230183A1 (fr) 1998-08-24
CA2230183C true CA2230183C (fr) 2001-10-30

Family

ID=12533702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2230183 Expired - Fee Related CA2230183C (fr) 1997-02-24 1998-02-23 Systeme de codage de donnees numeriques

Country Status (1)

Country Link
CA (1) CA2230183C (fr)

Also Published As

Publication number Publication date
CA2230183A1 (fr) 1998-08-24

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Effective date: 20170223