JPS60183994U - Playback level and track display circuit - Google Patents
Playback level and track display circuitInfo
- Publication number
- JPS60183994U JPS60183994U JP7121984U JP7121984U JPS60183994U JP S60183994 U JPS60183994 U JP S60183994U JP 7121984 U JP7121984 U JP 7121984U JP 7121984 U JP7121984 U JP 7121984U JP S60183994 U JPS60183994 U JP S60183994U
- Authority
- JP
- Japan
- Prior art keywords
- display circuit
- track
- playback
- track display
- playback level
- 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
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の回路構成図である。
１・・・ＬＥＤ駆動回路、２，３，４，５・・・ＬＥＤ
。
７・・・トラック切換スイッチ、８・・・スイッチング
トランジスタ。The figure is a circuit configuration diagram of the present invention. 1... LED drive circuit, 2, 3, 4, 5... LED
. 7... Track changeover switch, 8... Switching transistor.
Claims (1)
号レベルの増大に応答して複数のＬＥＤを順次に点灯せ
しめるＬＥＤ駆動回路を設け、前記複数のＬＥＤの駆動
線路にトラック切換スイッチの複数の切換端子を接続し
、前記トラック切換スイッチの可動端子を再生信号の有
無に応答して反転動作するスイッチングトランジスタの
コレクタ・エミッタ線路に接続し、前記スイッチングト
ランジスタを再生信号が無い時に導通せしめ前記トラッ
ク切換スイッチの切換位置に対応したＬＥＤを点灯せし
めるように構成したことを特徴とする再生レベル兼トラ
ック表示回路。A display circuit for an 8-track tape playback device, which includes an LED drive circuit that sequentially turns on a plurality of LEDs in response to an increase in the playback signal level, and includes a plurality of track changeover switches on drive lines for the plurality of LEDs. A movable terminal of the track changeover switch is connected to a collector-emitter line of a switching transistor that operates in reverse in response to the presence or absence of a reproduction signal, and the switching transistor is made conductive when there is no reproduction signal. A playback level/track display circuit characterized in that it is configured to light up an LED corresponding to a switching position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7121984U JPS60183994U (en) | 1984-05-16 | 1984-05-16 | Playback level and track display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7121984U JPS60183994U (en) | 1984-05-16 | 1984-05-16 | Playback level and track display circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60183994U true JPS60183994U (en) | 1985-12-06 |
Family
ID=30608503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7121984U Pending JPS60183994U (en) | 1984-05-16 | 1984-05-16 | Playback level and track display circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60183994U (en) |
-
1984
- 1984-05-16 JP JP7121984U patent/JPS60183994U/en active Pending
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