JPH024385U - - Google Patents
Info
- Publication number
- JPH024385U JPH024385U JP1988081213U JP8121388U JPH024385U JP H024385 U JPH024385 U JP H024385U JP 1988081213 U JP1988081213 U JP 1988081213U JP 8121388 U JP8121388 U JP 8121388U JP H024385 U JPH024385 U JP H024385U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- converter section
- emitting element
- section
- signal
- 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
- 230000010355 oscillation Effects 0.000 claims 5
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す図で、同図Ａ
はコンバータ部、同図Ｂはチユーナ部を示し、第
２図は他の実施例を示す図で、同図Ａはコンバー
タ部、同図Ｂはチユーナ部を示している。
８……発光ダイオード、１３……低周波発振器
、１４……ＶＣＡ、１８……スイツチングトラン
ジスタ、１９……最大値保持回路、２０……比較
回路、２１……制御回路。
Figure 1 is a diagram showing an embodiment of the present invention.
2 shows a converter section, FIG. 2B shows a tuner section, and FIG. 2 shows another embodiment. FIG. 2A shows a converter section, and FIG. 2B shows a tuner section. 8... Light emitting diode, 13... Low frequency oscillator, 14... VCA, 18... Switching transistor, 19... Maximum value holding circuit, 20... Comparison circuit, 21... Control circuit.
Claims (1)
帯に変換するためのコンバータ部と、このコンバ
ータ部からの出力信号を復調するチユーナ部とよ
りなる衛星放送受信装置において、コンバータ部
にチユーナ部から供給される直流電圧に応じて点
灯する発光素子を設けると共に、チユーナ部に低
周波発振器と、この低周波発振器の発振信号が供
給され且つ受信レベルに応じて増幅度が制御され
る電圧制御増幅器とを設け、この電圧制御増幅器
にて増幅された発振信号を前記直流電圧に重畳し
てコンバータ部へ供給し、前記発振信号に基づき
前記発光素子の輝度を制御することにより受信レ
ベルの表示をなすようにしたことを特徴とする衛
星放送受信装置。 (2) アンテナにて受信された信号を所定周波数
帯に変換するためのコンバータ部と、このコンバ
ータ部からの出力信号を復調するチユーナ部とよ
りなる衛星放送受信装置において、コンバータ部
にチユーナ部から供給される直流電圧に応じて点
灯する発光素子と、この発光素子を流れる電流を
制御するスイツチング素子とを設けると共に、チ
ユーナ部に低周波発振器と、受信レベルの最大値
を保持する最大値保持回路と、この最大値保持回
路にて保持された最大値と現在受信中の信号レベ
ルを比較する比較回路と、この比較回路からの比
較出力にて制御され、受信信号レベルが前記最大
値よりも大のとき、前記低周波発振器を動作状態
に設定する制御回路とを設け、前記低周波発振器
の発振信号を前記直流電圧に重畳してコンバータ
部へ供給し、前記発振信号に基づき前記スイツチ
ング素子を制御することにより前記発光素子の輝
度を可変するようにしたことを特徴とする衛星放
送受信装置。[Claims for Utility Model Registration] (1) A satellite broadcast receiving device comprising a converter section for converting a signal received by an antenna into a predetermined frequency band, and a tuner section for demodulating the output signal from this converter section. In this, the converter section is provided with a light emitting element that lights up according to the DC voltage supplied from the tuner section, and the tuner section is provided with a low frequency oscillator and the oscillation signal of this low frequency oscillator is supplied, and the amplification level is adjusted according to the reception level. and a voltage control amplifier in which the voltage control amplifier is controlled, and the oscillation signal amplified by the voltage control amplifier is superimposed on the DC voltage and supplied to the converter section, and the brightness of the light emitting element is controlled based on the oscillation signal. A satellite broadcast receiving device characterized in that a reception level is displayed by. (2) In a satellite broadcast receiving device consisting of a converter section for converting a signal received by an antenna into a predetermined frequency band and a tuner section for demodulating the output signal from this converter section, the converter section is connected to the tuner section. In addition to providing a light emitting element that lights up according to the supplied DC voltage and a switching element that controls the current flowing through the light emitting element, the tuner section includes a low frequency oscillator and a maximum value holding circuit that holds the maximum value of the received level. and a comparison circuit that compares the maximum value held by this maximum value holding circuit with the signal level currently being received, and a comparison output from this comparison circuit to control the received signal level to be greater than the maximum value. At this time, a control circuit is provided to set the low frequency oscillator to an operating state, and the oscillation signal of the low frequency oscillator is superimposed on the DC voltage and supplied to the converter section, and the switching element is controlled based on the oscillation signal. A satellite broadcast receiving device characterized in that the brightness of the light emitting element is varied by changing the brightness of the light emitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988081213U JPH024385U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988081213U JPH024385U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024385U true JPH024385U (en) | 1990-01-11 |
Family
ID=31306006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988081213U Pending JPH024385U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH024385U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119A (en) * | 1983-06-15 | 1985-01-05 | Mitsubishi Electric Corp | Satellite broadcast receiver |
-
1988
- 1988-06-20 JP JP1988081213U patent/JPH024385U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119A (en) * | 1983-06-15 | 1985-01-05 | Mitsubishi Electric Corp | Satellite broadcast receiver |
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