JPH01175081U - - Google Patents
Info
- Publication number
- JPH01175081U JPH01175081U JP7224488U JP7224488U JPH01175081U JP H01175081 U JPH01175081 U JP H01175081U JP 7224488 U JP7224488 U JP 7224488U JP 7224488 U JP7224488 U JP 7224488U JP H01175081 U JPH01175081 U JP H01175081U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- power supply
- tuners
- automatic gain
- gain adjustment
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
- Details Of Television Systems (AREA)
Description
第１図はチユーナ内部に設けられた本考案のコ
ンバータ電源のブロツク図、第２図は第１図のコ
ンバータ電源のマイクロコンピユータの動作を説
明するフローチヤート、第３図は従来例における
衛星放送受信設備の構成図、第４図は従来の衛星
放送受信チユーナのブロツク図である。
２４……信号増幅器のＡＧＣ電圧出力端子、２
７……アナログ／デイジタル変換器、２８……マ
イクロコンピユータ、２９……コンバータ用電源
、３１……定電圧回路、Ｔｒ１……スイツチング
用トランジスタ。
Fig. 1 is a block diagram of the converter power supply of the present invention provided inside the tuner, Fig. 2 is a flowchart explaining the operation of the microcomputer of the converter power supply of Fig. 1, and Fig. 3 is a satellite broadcast reception in the conventional example. FIG. 4 is a block diagram of a conventional satellite broadcast receiving tuner. 24...AGC voltage output terminal of signal amplifier, 2
7... Analog/digital converter, 28... Microcomputer, 29... Converter power supply, 31... Constant voltage circuit, Tr 1 ... Switching transistor.
Claims (1)
とを有し、該チユーナは自動利得調整機能付信号
増幅器と、コンバータ用電源と、マイクロコンピ
ユータとを有し、前記コバータの出力信号は前記
ケーブルにより前記複数個のチユーナに分配され
、前記コンバータ用電源は前記マイクロコンピユ
ータにより前記自動利得調整機能付信号増幅器の
自動利得調整電圧の値を検出して前記コンバータ
の電源電圧のオン／オフ状態を検知し、前記コン
バータへ電源電力を供給または供給保留にするよ
うにした衛星放送受信装置。 It has a converter, a cable, and a plurality of tuners, and the tuner has a signal amplifier with an automatic gain adjustment function, a power supply for the converter, and a microcomputer, and the output signal of the converter is connected to the plurality of tuners by the cable. The power supply for the converter is distributed to the tuners, and the microcomputer detects the value of the automatic gain adjustment voltage of the signal amplifier with automatic gain adjustment function to detect the on/off state of the power supply voltage of the converter; A satellite broadcast receiver that supplies or suspends power supply to the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7224488U JPH01175081U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7224488U JPH01175081U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01175081U true JPH01175081U (en) | 1989-12-13 |
Family
ID=31297415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7224488U Pending JPH01175081U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01175081U (en) |
-
1988
- 1988-05-31 JP JP7224488U patent/JPH01175081U/ja active Pending
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