JPS6137162U - ALC circuit of tape recorder - Google Patents
ALC circuit of tape recorderInfo
- Publication number
- JPS6137162U JPS6137162U JP12214584U JP12214584U JPS6137162U JP S6137162 U JPS6137162 U JP S6137162U JP 12214584 U JP12214584 U JP 12214584U JP 12214584 U JP12214584 U JP 12214584U JP S6137162 U JPS6137162 U JP S6137162U
- Authority
- JP
- Japan
- Prior art keywords
- tape recorder
- alc
- level
- transistor
- circuit
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (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
第１図は本考案の一実施例を示す回路図、第２図は従来
例を示す回路図である。
１１・・・入力端子、１３・・・ＡＬＣ用トランジスタ
ー、１５〜１７・・・比較器、２５・・・選択スイッチ
。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional example. 11... Input terminal, 13... ALC transistor, 15-17... Comparator, 25... Selection switch.
Claims (1)
点灯駆動して信号のレベル表示を行なうレベル表示回路
を備えたテープレコーダーであって、前記信号線路上の
信号レベルが大きくなるにつれて順次その出力端より出
力して対応する前記各発光素子を順次点灯駆動する前記
レベル表示回路の複数の比較器と、前記信号線路と接地
間にコレクタ・エミツタ路が接続されたＡＬＣ用トラン
ジスターと、該ＡＬＣ用トランジスターのベース一に前
記各比較器からの出力のうち何れか１つを任意に選択し
て印加する選択手段とより成り、而して前記選択手段に
て．前記ＡＬＣ用トランジスターの作動開始レベルを可
変するように構成した事を特徴とするテープレコーダー
のＡＬＣ回路。The tape recorder is equipped with a level display circuit that displays a signal level by sequentially driving a plurality of light emitting elements to turn on in accordance with a signal level on a signal line, and the tape recorder sequentially displays a signal level as the signal level on the signal line increases. a plurality of comparators of the level display circuit that output from an output end to sequentially drive the corresponding light emitting elements; an ALC transistor having a collector-emitter path connected between the signal line and ground; a selection means for arbitrarily selecting and applying one of the outputs from each of the comparators to the base of the transistor for the purpose of the selection; An ALC circuit for a tape recorder, characterized in that the ALC circuit is configured to vary the operation start level of the ALC transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12214584U JPS6137162U (en) | 1984-08-09 | 1984-08-09 | ALC circuit of tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12214584U JPS6137162U (en) | 1984-08-09 | 1984-08-09 | ALC circuit of tape recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6137162U true JPS6137162U (en) | 1986-03-07 |
Family
ID=30680907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12214584U Pending JPS6137162U (en) | 1984-08-09 | 1984-08-09 | ALC circuit of tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6137162U (en) |
-
1984
- 1984-08-09 JP JP12214584U patent/JPS6137162U/en active Pending
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