CA2230183A1 - Digital data encode system - Google Patents
Digital data encode systemInfo
- Publication number
- CA2230183A1 CA2230183A1 CA 2230183 CA2230183A CA2230183A1 CA 2230183 A1 CA2230183 A1 CA 2230183A1 CA 2230183 CA2230183 CA 2230183 CA 2230183 A CA2230183 A CA 2230183A CA 2230183 A1 CA2230183 A1 CA 2230183A1
- Authority
- CA
- Canada
- Prior art keywords
- water mark
- digital data
- data
- mark data
- encode system
- 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.)
- Granted
Links
Landscapes
- Editing Of Facsimile Originals (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A digital data encode system for inserting water mark data into digital data signals having a series of field data by use of a water mark data inserting device, said digital data encode system comprising a field judging unit dividing the digital data signals by a predetermined reference, a water mark data selection output unit for selecting proper one of a plurality of different water mark data prepared correspondingly to the division according to the judgement result of the field judging unit, and a water mark data inserting device for inserting the water mark data supplied from the water mark data selection output unit into the digital data signals.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9-038739 | 1997-02-24 | ||
JP3873997 | 1997-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2230183A1 true CA2230183A1 (en) | 1998-08-24 |
CA2230183C CA2230183C (en) | 2001-10-30 |
Family
ID=12533702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2230183 Expired - Fee Related CA2230183C (en) | 1997-02-24 | 1998-02-23 | Digital data encode system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2230183C (en) |
-
1998
- 1998-02-23 CA CA 2230183 patent/CA2230183C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2230183C (en) | 2001-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20170223 |