JPH01133320U - - Google Patents
Info
- Publication number
- JPH01133320U JPH01133320U JP2726388U JP2726388U JPH01133320U JP H01133320 U JPH01133320 U JP H01133320U JP 2726388 U JP2726388 U JP 2726388U JP 2726388 U JP2726388 U JP 2726388U JP H01133320 U JPH01133320 U JP H01133320U
- Authority
- JP
- Japan
- Prior art keywords
- light
- magnetic tape
- receiving element
- cassette
- running
- 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
- 238000001514 detection method Methods 0.000 claims 4
- 238000007493 shaping process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案に係るダブルカセツトテーププ
レーヤのセンサならびにその駆動機構の平面図、
第２図は本考案に係るダブルカセツトテーププレ
ーヤのセンサの動作を説明するための説明図、第
３図は本考案に係るダブルカセツトテーププレー
ヤのセンサの回路図、第４図はダブルカセツトテ
ーププレーヤの駆動ユニツトの平面図、第５図は
従来のエンドセンサの回路図である。
１０ａ，１０ｂ…受光素子、１１…発光素子、
１２…切換レバー、１３…遮蔽板、２０ａ，２０
ｂ，２１ａ，２１ｂ…リール台、２２，２３…基
部、Ｓａ，Ｓｂ…ソレノイド、ＳＴ…シユミツト
トリガ回路、ＭＣ…マイクロコンピユータ。
FIG. 1 is a plan view of a sensor and its drive mechanism of a double cassette tape player according to the present invention;
FIG. 2 is an explanatory diagram for explaining the operation of the sensor of the double cassette tape player according to the present invention, FIG. 3 is a circuit diagram of the sensor of the double cassette tape player according to the present invention, and FIG. 4 is a diagram of the sensor of the double cassette tape player according to the present invention. FIG. 5 is a plan view of the drive unit of FIG. 5, and a circuit diagram of a conventional end sensor. 10a, 10b...light receiving element, 11...light emitting element,
12...Switching lever, 13...Shielding plate, 20a, 20
b, 21a, 21b... Reel stand, 22, 23... Base, Sa, Sb... Solenoid, ST... Schmitt trigger circuit, MC... Microcomputer.
Claims (1)
ト駆動部に装填される第１のカセツトハーフ内に
て走行される第１の磁気テープならびに他方のカ
セツト駆動部に装填される第２のカセツトハーフ
内にて走行される第２の磁気テープの走行状態を
検知するダブルカセツトテーププレーヤのセンサ
において、発光素子と、この発光素子から発光さ
れる光を遮蔽して、第１の磁気テープもしくはこ
れを走行させる機構と、第２の磁気テープもしく
はこれを走行させる機構とのうちのいずれか一方
に対して交互に光を供給する遮蔽板と、前記発光
素子から送り出される光に基づいて第１の磁気テ
ープもしくはこれを走行させる機構を介して供給
される光を検知する第１の受光素子と、前記発光
素子から送り出される光に基づいて第２の磁気テ
ープもしくはこれを走行させる機構を介して供給
される光を検知する第２の受光素子と、この第１
の受光素子もしくは第２の受光素子から出力され
る検知信号に基づいてカセツト駆動部を制御する
制御回路を含んでなることを特徴とするダブルカ
セツトテーププレーヤのセンサ。 ２ 第１の受光素子による検知信号と第２の受光
素子による検知信号のいずれかが一定レベル以上
であるときに１つの波形成形回路に信号を出力す
る回路が設けられ、上記１つの波形成形回路から
の検知信号が制御回路に出力される請求項１記載
のダブルカセツトテーププレーヤのセンサ。[Claims for Utility Model Registration] 1. A first magnetic tape running in a first cassette half loaded in one of two sets of cassette drive units and a first magnetic tape running in a first cassette half loaded in one of two sets of cassette drive units; In a sensor of a double cassette tape player that detects the running state of a second magnetic tape running in a loaded second cassette half, a light emitting element and a light emitted from the light emitting element are shielded, a shielding plate that alternately supplies light to either one of the first magnetic tape or the mechanism for running it, and the second magnetic tape or the mechanism for running it; a first light-receiving element that detects light supplied via a first magnetic tape or a mechanism for running the first magnetic tape based on light; and a second light-receiving element that detects a second magnetic tape or a second light-receiving element that detects light supplied through the traveling mechanism;
1. A sensor for a double cassette tape player, comprising a control circuit for controlling a cassette drive section based on a detection signal output from the first light receiving element or the second light receiving element. 2. A circuit is provided that outputs a signal to one waveform shaping circuit when either the detection signal from the first light receiving element or the detection signal from the second light receiving element is at a certain level or higher, and the one waveform shaping circuit 2. A sensor for a double cassette tape player according to claim 1, wherein a detection signal from the double cassette tape player is outputted to a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2726388U JPH01133320U (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2726388U JPH01133320U (en) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133320U true JPH01133320U (en) | 1989-09-11 |
Family
ID=31249604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2726388U Pending JPH01133320U (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133320U (en) |
-
1988
- 1988-02-29 JP JP2726388U patent/JPH01133320U/ja active Pending
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