JPS63102034U - - Google Patents
Info
- Publication number
- JPS63102034U JPS63102034U JP19667786U JP19667786U JPS63102034U JP S63102034 U JPS63102034 U JP S63102034U JP 19667786 U JP19667786 U JP 19667786U JP 19667786 U JP19667786 U JP 19667786U JP S63102034 U JPS63102034 U JP S63102034U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- photoelectric sensor
- magnetic
- detects
- detection device
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Description
図面はこの考案の一実施例を示すもので、第１
図はその回路構成を示すブロツク図、第２図はリ
ール間でのテープの移送状態を示す図である。
１１，１２……リール、１３，１４……磁石、
１５，１６……磁気ヘツド、１７……テープ走行
量演算部、１８……テープ長指定スイツチ、１９
……走行時間変換部、２０……センサ制御部、２
１……走行時間表示部、２２……走行制御部、２
３……トランジスタ、２４……ＬＥＤ、２５……
抵抗、２６……磁気テープ、２７……フオトトラ
ンジスタ、２９……モータ駆動部、３０……モー
タ。
The drawing shows one embodiment of this invention.
The figure is a block diagram showing the circuit configuration, and FIG. 2 is a diagram showing the state of tape transfer between reels. 11, 12... Reel, 13, 14... Magnet,
15, 16...Magnetic head, 17...Tape travel amount calculation unit, 18...Tape length designation switch, 19
...Travel time conversion section, 20...Sensor control section, 2
1... Running time display section, 22... Running control section, 2
3...Transistor, 24...LED, 25...
Resistor, 26...Magnetic tape, 27...Phototransistor, 29...Motor drive unit, 30...Motor.
Claims (1)
とを光電センサにより検出し、テープエンド位置
を検出するテープエンド検出装置において、 テープリールの回転周期を検出し、磁気テープ
の走行量を演算する演算手段と、 この演算手段の演算結果に応じてテープの終端
より所定時間前に上記光電センサの発光素子を点
灯駆動するセンサ制御手段と、 上記光電センサの受光素子出力に応じてテープ
エンドを検出し、テープ走行を停止する走行制御
手段と を具備したことを特徴とするテープエンド検出装
置。[Scope of Claim for Utility Model Registration] A tape end detection device that detects the tape end position by detecting the magnetic band portion and the translucent leader tape portion of the magnetic tape using a photoelectric sensor, which detects the rotation period of a tape reel; a calculation means for calculating the travel distance of the magnetic tape; a sensor control means for driving a light emitting element of the photoelectric sensor to turn on at a predetermined time before the end of the tape according to the calculation result of the calculation means; and a light receiving element of the photoelectric sensor. What is claimed is: 1. A tape end detection device comprising a running control means for detecting a tape end according to an output and stopping tape running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19667786U JPS63102034U (en) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19667786U JPS63102034U (en) | 1986-12-23 | 1986-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63102034U true JPS63102034U (en) | 1988-07-02 |
Family
ID=31155717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19667786U Pending JPS63102034U (en) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63102034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0432059A (en) * | 1990-05-29 | 1992-02-04 | Sharp Corp | Magnetic recording and reproducing device |
-
1986
- 1986-12-23 JP JP19667786U patent/JPS63102034U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0432059A (en) * | 1990-05-29 | 1992-02-04 | Sharp Corp | Magnetic recording and reproducing device |