JP3576816B2 - ディジタルテレビジョン信号が同一チャネル干渉アナログテレビジョン信号を伴う時期を検出する方法および装置 - Google Patents
ディジタルテレビジョン信号が同一チャネル干渉アナログテレビジョン信号を伴う時期を検出する方法および装置 Download PDFInfo
- Publication number
- JP3576816B2 JP3576816B2 JP17944798A JP17944798A JP3576816B2 JP 3576816 B2 JP3576816 B2 JP 3576816B2 JP 17944798 A JP17944798 A JP 17944798A JP 17944798 A JP17944798 A JP 17944798A JP 3576816 B2 JP3576816 B2 JP 3576816B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- digital television
- response
- television signal
- phase
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Television Receiver Circuits (AREA)
- Color Television Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US882,540 | 1986-07-07 | ||
US08/882,540 US5852476A (en) | 1997-03-21 | 1997-06-25 | Using special NTSC receiver to detect when co-channel interfering NTSC signal accompanies a digital tv signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1175134A JPH1175134A (ja) | 1999-03-16 |
JP3576816B2 true JP3576816B2 (ja) | 2004-10-13 |
Family
ID=25380813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17944798A Expired - Fee Related JP3576816B2 (ja) | 1997-06-25 | 1998-06-25 | ディジタルテレビジョン信号が同一チャネル干渉アナログテレビジョン信号を伴う時期を検出する方法および装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP3576816B2 (ko) |
KR (1) | KR100274743B1 (ko) |
CA (1) | CA2241408C (ko) |
-
1998
- 1998-06-23 CA CA002241408A patent/CA2241408C/en not_active Expired - Fee Related
- 1998-06-25 KR KR1019980024181A patent/KR100274743B1/ko not_active IP Right Cessation
- 1998-06-25 JP JP17944798A patent/JP3576816B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2241408A1 (en) | 1998-12-25 |
JPH1175134A (ja) | 1999-03-16 |
CA2241408C (en) | 2002-04-09 |
KR100274743B1 (ko) | 2000-12-15 |
KR19990007349A (ko) | 1999-01-25 |
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