KR970002969B1 - 암호화된 방송신호의 처리장치 - Google Patents
암호화된 방송신호의 처리장치 Download PDFInfo
- Publication number
- KR970002969B1 KR970002969B1 KR1019930012113A KR930012113A KR970002969B1 KR 970002969 B1 KR970002969 B1 KR 970002969B1 KR 1019930012113 A KR1019930012113 A KR 1019930012113A KR 930012113 A KR930012113 A KR 930012113A KR 970002969 B1 KR970002969 B1 KR 970002969B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- unit
- broadcast signal
- processing
- encrypted broadcast
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims (1)
- 송신측에서 전송되어오는 암호화된 방송신호를 수신하는 신호수신부, 이 수신된 암호화된 방송신호에 포함된 특정데이타를 이용하여 제어워드를 생성하는 스마트 카드부, 상기 생성된 제어워드를 일시적으로 저장하기 위한 저장부, 상기 저장부로부터 출력되는 상기 제어워드를 이용하여 상기 신호수신부로부터 입력되는 암호화된 방송신호를 원래의 신호로 복원하기 위한 해독부, 상기 원신호로 복원된 방송신호의 영상 및 음성신호를 처리하는 신호처리부로 이루어진 암호화된 방송신호의 처리장치에 있어서, 대기전원이 상기 마이컴, 신호수신부, 스마트 카드부 및 저장부에 각각 인가되고, 상기 마이컴에 의해 전압 제어되는 제어전원이 상기 해독부 및 신호 처리부에 각각 인가되도록 구성된 것을 특징으로 하는 암호화된 방송신호의 처리장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930012113A KR970002969B1 (ko) | 1993-06-30 | 1993-06-30 | 암호화된 방송신호의 처리장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930012113A KR970002969B1 (ko) | 1993-06-30 | 1993-06-30 | 암호화된 방송신호의 처리장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950002255A KR950002255A (ko) | 1995-01-04 |
KR970002969B1 true KR970002969B1 (ko) | 1997-03-13 |
Family
ID=19358348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930012113A Expired - Fee Related KR970002969B1 (ko) | 1993-06-30 | 1993-06-30 | 암호화된 방송신호의 처리장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970002969B1 (ko) |
-
1993
- 1993-06-30 KR KR1019930012113A patent/KR970002969B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR950002255A (ko) | 1995-01-04 |
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