JPS54109811A - Tape stopping detection mechanism - Google Patents
Tape stopping detection mechanismInfo
- Publication number
- JPS54109811A JPS54109811A JP1725178A JP1725178A JPS54109811A JP S54109811 A JPS54109811 A JP S54109811A JP 1725178 A JP1725178 A JP 1725178A JP 1725178 A JP1725178 A JP 1725178A JP S54109811 A JPS54109811 A JP S54109811A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- cam wheel
- cam
- right reel
- counterclockwise
- 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
Abstract
PURPOSE: To perform detection of tape stopping simply and easily by performing auto reversing purely mechanically without using electromagnetic changeover mechanisms such as solenoid plungers and the like as with ordinary devices.
CONSTITUTION: T-form left and right detecting levers 501, 502 are engaged to the friction plates 201, 212 in the lower part of left and right reel turntables 20, 21, turnably at one end. When the tape is in a right feed running state, the right reel turntable 21 turns counterclockwise and deviates a right detecting lever 502 counterclockwise and is slightly oscillated by the trace pin 502 guided by the lateral eccentrical cam part 306a in a cam wheel 306. When the tape terminal end comes and the right reel turntable 21 stops, a detecting lever 502 stops in the position pushed in the counterclockwise direction and engages to the outside protruding part 306b of the cam wheel 306 in the next rotation of the cam wheel rotating irrespectively from the tape running. This causes the cam wheel 306 itself to turn clockwise, letting the gear mechanism 505 being engaged via torsion spring 505a to the other end of the cam lever 504 intermesh with the gear 302a of the center pulley. Said mechanism is then directly coupled to a motor and becomes the driving source for auto shut-off action.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1725178A JPS54109811A (en) | 1978-02-17 | 1978-02-17 | Tape stopping detection mechanism |
US06/006,753 US4238808A (en) | 1978-02-01 | 1979-01-26 | Tape stop detecting mechanism |
DE2953967A DE2953967C2 (en) | 1978-02-01 | 1979-02-01 | Device for the automatic switching off or switching of the tape transport in a tape recorder |
DE2903871A DE2903871C2 (en) | 1978-02-01 | 1979-02-01 | Device for the automatic switching off or switching of the tape transport in a tape recorder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1725178A JPS54109811A (en) | 1978-02-17 | 1978-02-17 | Tape stopping detection mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54109811A true JPS54109811A (en) | 1979-08-28 |
Family
ID=11938722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1725178A Pending JPS54109811A (en) | 1978-02-01 | 1978-02-17 | Tape stopping detection mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54109811A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58139347A (en) * | 1982-02-12 | 1983-08-18 | Shinwa Kk | Tape end detector for tape recorder |
-
1978
- 1978-02-17 JP JP1725178A patent/JPS54109811A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58139347A (en) * | 1982-02-12 | 1983-08-18 | Shinwa Kk | Tape end detector for tape recorder |
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