CA1290052C - Methode et appareil d'identification de programmes - Google Patents
Methode et appareil d'identification de programmesInfo
- Publication number
- CA1290052C CA1290052C CA000615693A CA615693A CA1290052C CA 1290052 C CA1290052 C CA 1290052C CA 000615693 A CA000615693 A CA 000615693A CA 615693 A CA615693 A CA 615693A CA 1290052 C CA1290052 C CA 1290052C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- predetermined
- video
- comparing
- determining
- 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 - Lifetime
Links
Landscapes
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/604,367 | 1984-04-26 | ||
US06/604,367 US4697209A (en) | 1984-04-26 | 1984-04-26 | Methods and apparatus for automatically identifying programs viewed or recorded |
CA000480035A CA1279124C (fr) | 1984-04-26 | 1985-04-25 | Methode et dispositif d'identification de programmes |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000480035A Division CA1279124C (fr) | 1984-04-26 | 1985-04-25 | Methode et dispositif d'identification de programmes |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1290052C true CA1290052C (fr) | 1991-10-01 |
Family
ID=25670656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000615693A Expired - Lifetime CA1290052C (fr) | 1984-04-26 | 1990-04-04 | Methode et appareil d'identification de programmes |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1290052C (fr) |
-
1990
- 1990-04-04 CA CA000615693A patent/CA1290052C/fr not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |