JPS6473542A - Magnetic tape driver - Google Patents
Magnetic tape driverInfo
- Publication number
- JPS6473542A JPS6473542A JP62230283A JP23028387A JPS6473542A JP S6473542 A JPS6473542 A JP S6473542A JP 62230283 A JP62230283 A JP 62230283A JP 23028387 A JP23028387 A JP 23028387A JP S6473542 A JPS6473542 A JP S6473542A
- Authority
- JP
- Japan
- Prior art keywords
- light
- reel
- take
- magnetic tape
- tape
- 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
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
PURPOSE:To detect the condition just before a magnetic tape runs short in a take-up reel by arranging a light-emitting part and a light-receiving part in sandwiching the magnetic tape winding part of the take-up reel and making the light of the light-emitting part to be transmitted through the tape winding part of the take-up reel incident on the light-emitting part. CONSTITUTION:A pair of a light-emitting part 6 and a light-receiving part 7 for detecting whether a magnetic tape 1 is wound around a take-up reel 3 or not, and means 14 and 15 to detect that the light outputted from the light- emitting part 6 is made incident on the light-receiving part 7 and to stop the driving of the magnetic tape 1 are provided. The take-up reel 3 is rotated in a clockwise direction, and the tape 1 is wound. When a winding angle goes to approximately 180 deg. or below to the reel 3 after the tape 1 is rewound from a condition in which the tape 1 covers the whole surface of the cylinder part of the reel and shields the light, the light of the light-emitting part 6 reaches the light-receiving part 7, and that the magnetic tape 1 of the take-up reel 3 is just about to run short is detected. Thus, the driving of the reel can be stopped just before the winding of the magnetic tape 1 runs short in the take-up reel 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230283A JPS6473542A (en) | 1987-09-14 | 1987-09-14 | Magnetic tape driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230283A JPS6473542A (en) | 1987-09-14 | 1987-09-14 | Magnetic tape driver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6473542A true JPS6473542A (en) | 1989-03-17 |
Family
ID=16905382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62230283A Pending JPS6473542A (en) | 1987-09-14 | 1987-09-14 | Magnetic tape driver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6473542A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002230869A (en) * | 2001-01-29 | 2002-08-16 | Sony Corp | Method for unloading tape-shaped recording medium and tape drive unit |
-
1987
- 1987-09-14 JP JP62230283A patent/JPS6473542A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002230869A (en) * | 2001-01-29 | 2002-08-16 | Sony Corp | Method for unloading tape-shaped recording medium and tape drive unit |
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