KR100383690B1 - 디지털비디오및오디오신호재생및불법더빙방지장치 - Google Patents
디지털비디오및오디오신호재생및불법더빙방지장치 Download PDFInfo
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- KR100383690B1 KR100383690B1 KR1019950007633A KR19950007633A KR100383690B1 KR 100383690 B1 KR100383690 B1 KR 100383690B1 KR 1019950007633 A KR1019950007633 A KR 1019950007633A KR 19950007633 A KR19950007633 A KR 19950007633A KR 100383690 B1 KR100383690 B1 KR 100383690B1
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- H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
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- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
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- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9265—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal
- H04N5/9267—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (7)
- 디지털 VCR 및 아날로그 VCR 모두에 의한 불법 복사로부터, 디지털 방식으로 재생되는 디지털 신호의 저작권 보호를 위한 저작권 보호 시스템을 갖는 재생장치에 있어서:기록 매체상에 디지털 방식으로 기록된 상기 디지털 신호를 디지털 방식으로 재생하는 재생 수단으로서, 상기 디지털 신호는 비디오 신호와, 오디오 신호와, 상기 재생 디지털 신호의 재 기록 가능여부를 알리는(flagging) 디지털 저작권 보호 신호를 포함하는, 상기 재생수단과;상기 디지털 저작권 보호 신호의 재생에 응답하여 순차 복사 관리 시스템(SCMS) 신호를 생성하는 수단과;아날로그 형태로 상기 디지털 신호를 표현하는 아날로그 신호를 생성하는 수단과;상기 디지털 저작권 보호 신호의 재생에 응답하여, 아날로그 저작권 보호 신호로서 자동 이득 제어(AGC) 펄스를 생성하는 수단과;상기 디지털 저작권 보호 신호의 재생에 응답하여 서보 기능을 인터럽트하는 또 다른 아날로그 저작권 보호 신호를 생성하는 수단과;상기 자동 이득 제어 펄스 및 상기 또 다른 저작권 보호 신호를 상기 아날로그 신호의 수직 귀선 소거 기간에 삽입하는 수단과;상기 아날로그 VCR과 디지털 VCR 모두에 의한 불법 복사로부터 상기 재생 수단에 의해 재생된 상기 디지털 신호의 저작권이 보호되도록, 상기 재생 수단에 의해 재생된 상기 디지털 신호를 상기 SCMS 신호와 함께 출력하는 디지털 출력과, 상기 아날로그 신호를 상기 아날로그 저작권 보호 신호 및 상기 또 다른 아날로그 저작권 보호 신호와 함께 출력하는 아날로그 출력을 구비하는 출력수단을 포함하는 재생 장치.
- 제 1 항에 있어서, 상기 비디오 신호의 상기 수직 귀선 소거 기간을 생성하는 수직 귀선 소거 기간 생성 수단을 더 포함하는 재생 장치.
- 제 2 항에 있어서, 상기 디지털 저작권 보호 신호는 상기 기록 매체상에 기록된 상기 디지털 신호에 저작권이 있는지 여부 및 상기 기록 매체상에 기록된 상기 디지털 신호가 오리지날 버젼인지 여부를 나타내는, 재생 장치.
- 제 2 항에 있어서, 상기 아날로그 신호 생성 수단은 상기 디지털 신호를 상기 아날로그 신호로 변환하는 디지털-아날로그 변환 수단을 더 포함하는, 재생 장치.
- 제 4 항에 있어서, 상기 또 다른 아날로그 저작권 보호 신호는 복수의 펄스 쌍들을 더 포함하고, 상기 펄스 쌍들 각각은 의사 동기 펄스(pseudo sync pulse) 및 정 펄스(positive pulse)를 포함하고, 상기 또 다른 아날로그 저작권 보호 신호는 상기 아날로그 신호의 상기 수직 귀선 소거 기간내의 복수의 라인에 위치하는, 재생 장치.
- 제 4 항에 있어서, 상기 디지털 저작권 보호 신호는 상기 기록 매체상에 기록된 상기 디지털 신호에 저작권이 있는지 여부 및 상기 기록 매체상에 기록된 상기 디지털 신호가 오리지널 버젼인지 여부를 나타내는, 재생장치.
- 제 1 항에 있어서, 상기 기록 매체는 상기 비디오 신호를 기록하는 제 1 영역, 상기 오디오 신호를 기록하는 제 2 영역, 상기 비디오 신호와 관련된 정보를 기록하는 제 3 영역 및 상기 오디오 신호와 관련된 정보를 기록하는 제 4 영역을 포함하고, 상기 제 3 영역은 상기 비디오 신호에 관련된 상기 디지털 저작권 보호 신호를 포함하고, 상기 제 4 영역은 상기 오디오 신호에 관련된 상기 디지털 저작권 보호 신호를 포함하는, 재생 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94-82576 | 1994-03-29 | ||
JP94-082576 | 1994-03-29 | ||
JP08257694A JP3329063B2 (ja) | 1994-03-29 | 1994-03-29 | 再生装置 |
Publications (2)
Publication Number | Publication Date |
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KR950034238A KR950034238A (ko) | 1995-12-26 |
KR100383690B1 true KR100383690B1 (ko) | 2003-08-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019950007633A KR100383690B1 (ko) | 1994-03-29 | 1995-03-29 | 디지털비디오및오디오신호재생및불법더빙방지장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5907656A (ko) |
EP (1) | EP0675647B1 (ko) |
JP (1) | JP3329063B2 (ko) |
KR (1) | KR100383690B1 (ko) |
CN (1) | CN1078729C (ko) |
CA (1) | CA2145578C (ko) |
DE (1) | DE69533835T2 (ko) |
MY (1) | MY118939A (ko) |
TW (1) | TW417084B (ko) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
US6516064B1 (en) | 1995-07-25 | 2003-02-04 | Sony Corporation | Signal recording apparatus, signal record medium and signal reproducing apparatus |
US6345145B1 (en) * | 1995-08-25 | 2002-02-05 | Sony Corporation | Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus |
ES2167522T3 (es) * | 1995-09-01 | 2002-05-16 | Sony Corp | Grabacion de datos. |
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- 1995-03-28 MY MYPI95000768A patent/MY118939A/en unknown
- 1995-03-29 KR KR1019950007633A patent/KR100383690B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
DE69533835T2 (de) | 2005-11-24 |
JPH07274115A (ja) | 1995-10-20 |
MY118939A (en) | 2005-02-28 |
CA2145578C (en) | 2004-06-22 |
CA2145578A1 (en) | 1995-09-30 |
CN1078729C (zh) | 2002-01-30 |
US5907656A (en) | 1999-05-25 |
DE69533835D1 (de) | 2005-01-13 |
EP0675647B1 (en) | 2004-12-08 |
JP3329063B2 (ja) | 2002-09-30 |
CN1125886A (zh) | 1996-07-03 |
KR950034238A (ko) | 1995-12-26 |
TW417084B (en) | 2001-01-01 |
EP0675647A1 (en) | 1995-10-04 |
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