JPS61163311U - - Google Patents
Info
- Publication number
- JPS61163311U JPS61163311U JP3563085U JP3563085U JPS61163311U JP S61163311 U JPS61163311 U JP S61163311U JP 3563085 U JP3563085 U JP 3563085U JP 3563085 U JP3563085 U JP 3563085U JP S61163311 U JPS61163311 U JP S61163311U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting element
- conductive
- changeover switch
- equalizer
- 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
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係るテープレコーダのイコラ
イザ・バイアス切換表示装置の一実施例を示す電
気回路図、第２図は従来のテープレコーダのイコ
ライザ切換表示装置を示す電気回路図である。
Ｓ２１，Ｓ２２……切換スイツチ、２１，２２
……ツエナーダイオード、２３，２４，２５……
発光ダイオード、３３，３４，３５……録音イコ
ライザ回路、３７，３８，３９……バイアス電流
制御回路、４０……再生イコライザ切換制御回路
、４５，４６……ダイオード。
FIG. 1 is an electrical circuit diagram showing an embodiment of an equalizer/bias switching display device for a tape recorder according to the present invention, and FIG. 2 is an electrical circuit diagram showing a conventional equalizer/bias switching display device for a tape recorder. S21, S22...Switch switch, 21, 22
... Zener diode, 23, 24, 25...
Light emitting diode, 33, 34, 35... recording equalizer circuit, 37, 38, 39... bias current control circuit, 40... reproduction equalizer switching control circuit, 45, 46... diode.
Claims (1)
該切換スイツチのオン時に電源電圧を供給されて
点燈する第１の発光素子と、 該第１の発光素子に対応するものであつて同じ
く上記切換スイツチのオン時に電源電圧を供給さ
れて動作する第１の録音イコライザ回路及び第１
のバイアス電流制御回路と、 上記第１の発光素子の順方向降下電圧よりも高
い降伏電圧を持つもので上記切換スイツチのオフ
時のみ導通状態となる定電圧素子と、 該定電圧素子の導通時に点燈する第２の発光素
子と、 該第２の発光素子に対応するものであつて、同
じく上記定電圧素子の導通時に動作する第２の録
音イコライザ回路及び第２のバイアス電流制御回
路と、 上記第２の発光素子が点燈したとき、導通する
ダイオードと、 上記ダイオードの導通時に再生イコライザ特性
を切換える再生イコライザ切換制御回路とより成
るテープレコーダのイコライザ・バイアス切換表
示装置。[Scope of claim for utility model registration] Connected to the power supply via a changeover switch,
a first light emitting element that lights up when supplied with a power supply voltage when the changeover switch is turned on; and a light emitting element corresponding to the first light emitting element that also operates when supplied with a power supply voltage when the changeover switch is turned on. the first recording equalizer circuit and the first recording equalizer circuit;
a bias current control circuit; a constant voltage element that has a breakdown voltage higher than the forward drop voltage of the first light emitting element and is conductive only when the changeover switch is off; and when the constant voltage element is conductive. a second light emitting element that lights up; a second recording equalizer circuit and a second bias current control circuit that correspond to the second light emitting element and also operate when the constant voltage element is conductive; An equalizer/bias switching display device for a tape recorder, comprising a diode that becomes conductive when the second light emitting element is turned on, and a reproduction equalizer switching control circuit that switches reproduction equalizer characteristics when the diode is conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3563085U JPS61163311U (en) | 1985-03-12 | 1985-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3563085U JPS61163311U (en) | 1985-03-12 | 1985-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61163311U true JPS61163311U (en) | 1986-10-09 |
Family
ID=30540085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3563085U Pending JPS61163311U (en) | 1985-03-12 | 1985-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61163311U (en) |
-
1985
- 1985-03-12 JP JP3563085U patent/JPS61163311U/ja active Pending
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