JPH0174648U - - Google Patents
Info
- Publication number
- JPH0174648U JPH0174648U JP1988140840U JP14084088U JPH0174648U JP H0174648 U JPH0174648 U JP H0174648U JP 1988140840 U JP1988140840 U JP 1988140840U JP 14084088 U JP14084088 U JP 14084088U JP H0174648 U JPH0174648 U JP H0174648U
- Authority
- JP
- Japan
- Prior art keywords
- emitting means
- state
- tuning
- light emitting
- muting
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 2
- 230000004397 blinking Effects 0.000 claims 1
- 239000003086 colorant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Description
第１図は従来の同調表示回路のブロツク図。第
２図は本考案の一実施例のブロツク図。第３図は
本考案の一実施例の作用の説明に共する波形図。
１，２及び１７……発光ダイオード、５及び６
……駆動回路、１０……２―４デコーダ、１１…
…発振器。
FIG. 1 is a block diagram of a conventional tuning display circuit. FIG. 2 is a block diagram of an embodiment of the present invention. FIG. 3 is a waveform diagram illustrating the operation of an embodiment of the present invention. 1, 2 and 17... light emitting diode, 5 and 6
...Drive circuit, 10...2-4 decoder, 11...
...oscillator.
Claims (1)
ユーナの同調状態を表示する同調表示回路におい
て、前記発光手段の点滅周期を決定する発振器と
、受信電波を検波して得た同調検出信号と、ミユ
ート回路を駆動するミユーテイング信号と、前記
発振器の出力信号と、ステレオ放送におけるパイ
ロツト信号を入力とし、前記４つの信号の組合わ
せに基づき２つの出力端に出力信号を得るゲート
回路と、前記ゲート回路の一方の出力端の出力信
号により駆動される第１の発光手段と、前記ゲー
ト回路の他方の出力端の出力信号により駆動され
、前記第１の発光手段と異なる発光色を有する第
２の発光手段とを備え、離調から同調への移行時
に、離調状態かつ、ミユーテイング解除状態の場
合は第１の発光手段を点滅させ、離調状態かつミ
ユーテイング動作状態の場合は第２の発光手段を
点滅させ、同調状態かつミユーテイング動作状態
の場合は第２の発光手段を点灯させ、同調状態か
つミユーテイング解除状態で、ステレオ放送受信
中は第１の発光手段を点灯させ、同調状態かつミ
ユーテイング解除状態でモノラル放送受信中は、
第１及び第２の発光手段を共に点灯させるように
構成したことを特徴とする同調指示回路。 (2) 第１及び第２の発光手段が同一素子内に納
められていることを特徴とする実用新案登録請求
の範囲第１項記載の同調指示回路。[Claims for Utility Model Registration] (1) A tuning display circuit that is equipped with light-emitting means that emit light of different colors and displays the tuning state of an FM tuner, comprising: an oscillator that determines the blinking cycle of the light-emitting means; The tuning detection signal obtained by the detection, the muting signal that drives the muting circuit, the output signal of the oscillator, and the pilot signal in stereo broadcasting are input, and the output is output to two output terminals based on the combination of the four signals. a gate circuit for obtaining a signal; a first light emitting means driven by an output signal from one output end of the gate circuit; and a first light emitting means driven by an output signal from the other output end of the gate circuit. and a second light emitting means having a different emission color, and when transitioning from detuning to tuning, the first light emitting means blinks when the detuning state and the mutating release state occur, and the detuning state and the mutating operation are performed. The second light emitting means blinks when the state is in the tuning state and the muting operation state, the second light emitting means is turned on when the tuning state is in the muting state, and the first light emitting means is turned on when the stereo broadcast is being received in the tuning state and the muting release state. When the light is on and a monaural broadcast is being received with tuning and muting canceled,
A tuning instruction circuit characterized in that the first and second light emitting means are configured to light up together. (2) The tuning instruction circuit according to claim 1, wherein the first and second light emitting means are housed in the same element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14084088U JPH0238526Y2 (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14084088U JPH0238526Y2 (en) | 1988-10-28 | 1988-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0174648U true JPH0174648U (en) | 1989-05-19 |
| JPH0238526Y2 JPH0238526Y2 (en) | 1990-10-17 |
Family
ID=31405381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14084088U Expired JPH0238526Y2 (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0238526Y2 (en) |
-
1988
- 1988-10-28 JP JP14084088U patent/JPH0238526Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0238526Y2 (en) | 1990-10-17 |
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