JPS56140537A - Tape end detector - Google Patents

Tape end detector

Info

Publication number
JPS56140537A
JPS56140537A JP4256780A JP4256780A JPS56140537A JP S56140537 A JPS56140537 A JP S56140537A JP 4256780 A JP4256780 A JP 4256780A JP 4256780 A JP4256780 A JP 4256780A JP S56140537 A JPS56140537 A JP S56140537A
Authority
JP
Japan
Prior art keywords
detection
engaged
detection cam
cam plate
links
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.)
Granted
Application number
JP4256780A
Other languages
Japanese (ja)
Other versions
JPS6146896B2 (en
Inventor
Osamu Ogata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4256780A priority Critical patent/JPS56140537A/en
Publication of JPS56140537A publication Critical patent/JPS56140537A/en
Publication of JPS6146896B2 publication Critical patent/JPS6146896B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/093—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing driving condition of record carrier, e.g. travel, tape tension

Abstract

PURPOSE:To improve the reliability of tape end detection by making detection cams of a take-up reel and supply reel engaged with detection links respectively and by moving a detection cam plate engaged with a detection cam shaft through the engagement. CONSTITUTION:Reels 9 and 10 are provided with directional detection cams 30, whose ratchet pawls 30a is engaged with links 24 and 25 to move links 24 and 25 and through the operation, detection cam plate 17 is rotated in direction (h). Further, detection cam plate 17 is provided with pawl 17a and kick surface part 17c and this is engaged with detection cam shaft 16 with pawl 16a. Therefore, as a tape end comes, detection cam shaft 16 engages with detection cam plate 17 and then a slide switch is operated in direction (j), so that while the deviation of a tape speed and a wow and flutter are reduced, the end can accurately be detected.
JP4256780A 1980-03-31 1980-03-31 Tape end detector Granted JPS56140537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4256780A JPS56140537A (en) 1980-03-31 1980-03-31 Tape end detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4256780A JPS56140537A (en) 1980-03-31 1980-03-31 Tape end detector

Publications (2)

Publication Number Publication Date
JPS56140537A true JPS56140537A (en) 1981-11-02
JPS6146896B2 JPS6146896B2 (en) 1986-10-16

Family

ID=12639627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4256780A Granted JPS56140537A (en) 1980-03-31 1980-03-31 Tape end detector

Country Status (1)

Country Link
JP (1) JPS56140537A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604662A (en) * 1983-07-30 1986-08-05 Sony Corporation Automatic mode-change mechanism for tape recorder
US5655724A (en) * 1996-01-16 1997-08-12 Ford Motor Company Autoreverse cassette tape mechanism with tape-eating prevention

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61273181A (en) * 1985-05-28 1986-12-03 Mitsubishi Electric Corp Inverter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604662A (en) * 1983-07-30 1986-08-05 Sony Corporation Automatic mode-change mechanism for tape recorder
US5655724A (en) * 1996-01-16 1997-08-12 Ford Motor Company Autoreverse cassette tape mechanism with tape-eating prevention

Also Published As

Publication number Publication date
JPS6146896B2 (en) 1986-10-16

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