JPS5733449A - Endless tape device - Google Patents

Endless tape device

Info

Publication number
JPS5733449A
JPS5733449A JP10604280A JP10604280A JPS5733449A JP S5733449 A JPS5733449 A JP S5733449A JP 10604280 A JP10604280 A JP 10604280A JP 10604280 A JP10604280 A JP 10604280A JP S5733449 A JPS5733449 A JP S5733449A
Authority
JP
Japan
Prior art keywords
rotation
command
tape
reduction
index
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
JP10604280A
Other languages
Japanese (ja)
Inventor
Makoto Imamura
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 JP10604280A priority Critical patent/JPS5733449A/en
Publication of JPS5733449A publication Critical patent/JPS5733449A/en
Pending 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 exercise control over the rotation, reduction of speed and stop of a drive motor, by checking the number of rotations of a disk turning coaxially to a capstan based on the tape index in order to effectively set the indicated recording start position. CONSTITUTION:The rotation is detected by a detector 26 for a tack disk 25 which turns coaxially to a capstan 15 that drives the travelling of a tape 11. Then the count number of a counter 27 that receives an initial setting with the signal of a detector 22 that detects an index 21 is supplied to a control system 23 to control the rotation of a capstan motor 24. The 1st, 2nd and 3rd memories are provided in the system 23 for indication of the reduction of speed, stop and rotation respectively, and different numbers of rotations are set respectively to be compared with the count value of the counter which is supplied with the break of the operation command. Thus the command of the reduction of speed is given at the point of coincidence of the 1st memory; the stop command is given at the time point of the 2nd memory; and the rotation command is given at and after the 3rd memory. In such way, the tape is started and stopped based on the index.
JP10604280A 1980-08-01 1980-08-01 Endless tape device Pending JPS5733449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10604280A JPS5733449A (en) 1980-08-01 1980-08-01 Endless tape device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10604280A JPS5733449A (en) 1980-08-01 1980-08-01 Endless tape device

Publications (1)

Publication Number Publication Date
JPS5733449A true JPS5733449A (en) 1982-02-23

Family

ID=14423574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10604280A Pending JPS5733449A (en) 1980-08-01 1980-08-01 Endless tape device

Country Status (1)

Country Link
JP (1) JPS5733449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335582A2 (en) * 1988-04-01 1989-10-04 Ampex Corporation Apparatus and method for detecting the end of a tape

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335582A2 (en) * 1988-04-01 1989-10-04 Ampex Corporation Apparatus and method for detecting the end of a tape

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