JPS6164637U - - Google Patents
Info
- Publication number
- JPS6164637U JPS6164637U JP14991284U JP14991284U JPS6164637U JP S6164637 U JPS6164637 U JP S6164637U JP 14991284 U JP14991284 U JP 14991284U JP 14991284 U JP14991284 U JP 14991284U JP S6164637 U JPS6164637 U JP S6164637U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage dividing
- light emitting
- emitting diode
- magnetic head
- 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
- 230000002457 bidirectional effect Effects 0.000 claims 1
Description
図示した回路は、本考案の再生方向表示回路の
一実施例である。
主な図番の説明、１…第１磁気ヘツド、２…第
２磁気ヘツド、３…選択増幅回路、４…前置増幅
回路、５…スイツチ回路、８…電源線路、１４…
主増幅回路、１８…電池、１９…第１分圧回路、
２２…第１発光ダイオード、２３…切換スイツチ
、２４…第２分圧回路、２７…第２発光ダイオー
ド、２８…制御トランジスター、３０…ダイオー
ド。
The illustrated circuit is an embodiment of the reproduction direction display circuit of the present invention. Explanation of main drawing numbers: 1...First magnetic head, 2...Second magnetic head, 3 ...Selection amplifier circuit, 4...Preamplifier circuit, 5...Switch circuit, 8...Power supply line, 14...
Main amplifier circuit, 18...Battery, 19 ...First voltage dividing circuit,
22... First light emitting diode, 23... Selector switch, 24 ... Second voltage dividing circuit, 27... Second light emitting diode, 28... Control transistor, 30... Diode.
Claims (1)
向である第２方向への再生機能を有するテープレ
コーダーにおいて、磁気テープの第１方向へのト
ラツクに録音されている信号を再生する第１方向
用磁気ヘツドと、第２方向へのトラツクに録音さ
れている信号を再生する第２方向用磁気ヘツドと
、前記第１方向用磁気ヘツド又は第２方向用磁気
ヘツドにより再生された信号を選択的に増幅回路
に導くスイツチ回路が組込まれている選択増幅回
路と、磁気テープの駆動方向に対応して開閉され
ると共に前記スイツチ回路の動作を制御する切換
スイツチと、電源線路と接地間に直列接続されて
いる第１及び第２の抵抗より成る第１分圧回路と
、アノードが電源線路に接続されていると共にカ
ソードが前記第１分圧回路の分圧点に接続されて
いる第１発光ダイオードと、前記切換スイツチが
閉成状態にあるとき電源線路と接地間に直列接続
される第１及び第２の抵抗より成る第２分圧回路
と、アノードが前記切換スイツチを介して電源線
路に接続されると共にカソードが前記第２分圧回
路の分圧点に接続されている第２発光ダイオード
と、アノードが前記切換スイツチを介して電源線
路に接続されていると共にカソードが前記第１分
圧回路の分圧点に接続されているダイオードとよ
り成り、前記切換スイツチが開放状態にあるとき
には前記第１発光ダイオードを点灯せしめると共
に前記切換スイツチが閉成状態にあるときには前
記第２発光ダイオードを点灯せしめ、以つて該第
１発光ダイオード及び第２発光ダイオードの点灯
により磁気テープの再生方向を表示するようにし
たことを特徴とする両方向再生機能付テープレコ
ーダーの再生方向表示回路。 In a tape recorder having a playback function in a first direction and a playback function in a second direction opposite to the first direction, a first Select the magnetic head for the direction, the magnetic head for the second direction that reproduces the signal recorded on the track in the second direction, and the signal reproduced by the magnetic head for the first direction or the magnetic head for the second direction. a selective amplifier circuit incorporating a switch circuit that leads the magnetic tape to the amplifier circuit; a selector switch that opens and closes in accordance with the driving direction of the magnetic tape and controls the operation of the switch circuit; a first voltage dividing circuit including first and second resistors connected to each other; and a first light emitting device having an anode connected to a power supply line and a cathode connected to a voltage dividing point of the first voltage dividing circuit. a second voltage divider circuit comprising a diode, first and second resistors connected in series between the power line and ground when the changeover switch is in the closed state; and an anode connected to the power line through the changeover switch. a second light emitting diode connected to the voltage dividing point of the second voltage dividing circuit, and a second light emitting diode having a cathode connected to the voltage dividing point of the second voltage dividing circuit; and a diode connected to a voltage dividing point of the circuit, which lights up the first light emitting diode when the changeover switch is in an open state and lights up the second light emitting diode when the changeover switch is in a closed state. A reproduction direction display circuit for a tape recorder with a bidirectional reproduction function, characterized in that the reproduction direction of a magnetic tape is displayed by lighting the first light emitting diode and the second light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14991284U JPS6164637U (en) | 1984-10-03 | 1984-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14991284U JPS6164637U (en) | 1984-10-03 | 1984-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6164637U true JPS6164637U (en) | 1986-05-02 |
Family
ID=30708078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14991284U Pending JPS6164637U (en) | 1984-10-03 | 1984-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6164637U (en) |
-
1984
- 1984-10-03 JP JP14991284U patent/JPS6164637U/ja active Pending
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