JPH0412726U - - Google Patents
Info
- Publication number
- JPH0412726U JPH0412726U JP5401190U JP5401190U JPH0412726U JP H0412726 U JPH0412726 U JP H0412726U JP 5401190 U JP5401190 U JP 5401190U JP 5401190 U JP5401190 U JP 5401190U JP H0412726 U JPH0412726 U JP H0412726U
- Authority
- JP
- Japan
- Prior art keywords
- descrambler
- satellite broadcasting
- terminal
- input terminal
- output terminal
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
Description
第１図は本考案のデスクランブラの接続端子付
衛星放送受信機を通常の衛星放送受信用として使
用するときの接続端子の接続例図、第２図は同上
の衛星放送受信機にデスクランブラを接続したと
きの接続端子の接続例図、第３図は本考案の一実
施例を示すデスクランブラの接続端子付衛星放送
受信機の電気回路ブロツク図である。
１……入力端子、２……高周波増幅回路、３…
…混合回路、４……電圧制御発振器、５……シス
テムコントロール、７……第２中間周波増幅回路
、８……ＢＰＦ帯域切換回路、９……ＦＭ復調回
路、１０……ＡＦＴ回路、１１……映像回路、１
２……映像信号処理部、１４……デスクランブラ
、１６……４ＤＰＳＫ復調回路、１７……ＰＣＭ
復調回路、１８……Ｄ／Ａ変換器、１９……増幅
器、２０……コントロール信号端子、２１……検
波出力端子、２２……映像信号出力端子、２３…
…映像信号入力端子、２４……音声信号出力端子
、２５……音声信号入力端子、２６……ビツトス
トリーム出力端子、２７……衛星放送受信機。
Figure 1 is an example of connecting the connection terminal when using the satellite broadcast receiver with connection terminal of the descrambler of the present invention for normal satellite broadcast reception, and Figure 2 shows the descrambler attached to the same satellite broadcast receiver. FIG. 3 is an electrical circuit block diagram of a satellite broadcasting receiver with a descrambler connection terminal according to an embodiment of the present invention. 1...Input terminal, 2...High frequency amplifier circuit, 3...
... Mixing circuit, 4 ... Voltage controlled oscillator, 5 ... System control, 7 ... Second intermediate frequency amplification circuit, 8 ... BPF band switching circuit, 9 ... FM demodulation circuit, 10 ... AFT circuit, 11 ... ...Video circuit, 1
2...Video signal processing unit, 14...Descrambler, 16...4DPSK demodulation circuit, 17...PCM
demodulation circuit, 18...D/A converter, 19...amplifier, 20...control signal terminal, 21...detection output terminal, 22...video signal output terminal, 23...
...Video signal input terminal, 24...Audio signal output terminal, 25...Audio signal input terminal, 26...Bit stream output terminal, 27...Satellite broadcast receiver.
Claims (1)
力端子間を短絡状態とし、スクランブル放送を受
信するときは前記入力端子と前記出力端子をデス
クランブラに接続して、前記出力端子より映像信
号、音声信号及びスクランブル解除信号を前記デ
スクランブラに入力し、同デスクランブラで映像
信号及び音声信号のスクランブルを解除して前記
入力端子より衛星放送受信機に入力して衛星放送
を受信するようにした、デスクランブラの接続用
の前記入力端子及び前記出力端子とを衛星放送受
信機の外箱に具備したことを特徴とするデスクラ
ンブラの接続端子付衛星放送受信機。 When receiving normal satellite broadcasting, short-circuit the input terminal and output terminal, and when receiving scrambled broadcasting, connect the input terminal and output terminal to a descrambler, and output the video signal and audio from the output terminal. A desk for receiving satellite broadcasting by inputting a signal and a descrambling signal to the descrambler, descrambling the video signal and audio signal using the descrambler, and inputting the descrambled signals to a satellite broadcasting receiver from the input terminal. A satellite broadcasting receiver with a descrambler connection terminal, characterized in that the input terminal and the output terminal for connecting the rambler are provided in an outer box of the satellite broadcasting receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5401190U JPH0412726U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5401190U JPH0412726U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412726U true JPH0412726U (en) | 1992-01-31 |
Family
ID=31575695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5401190U Pending JPH0412726U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412726U (en) |
-
1990
- 1990-05-23 JP JP5401190U patent/JPH0412726U/ja active Pending
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