JPS54109811A - Tape stopping detection mechanism - Google Patents

Tape stopping detection mechanism

Info

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
Application number
JP1725178A
Other languages
Japanese (ja)
Inventor
Seiji Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1725178A priority Critical patent/JPS54109811A/en
Priority to US06/006,753 priority patent/US4238808A/en
Priority to DE2953967A priority patent/DE2953967C2/en
Priority to DE2903871A priority patent/DE2903871C2/en
Publication of JPS54109811A publication Critical patent/JPS54109811A/en
Pending legal-status Critical Current

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
JP1725178A 1978-02-01 1978-02-17 Tape stopping detection mechanism Pending JPS54109811A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139347A (en) * 1982-02-12 1983-08-18 Shinwa Kk Tape end detector for tape recorder

Cited By (1)

* Cited by examiner, † Cited by third party
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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