JPS547314A - Tape driving system - Google Patents

Tape driving system

Info

Publication number
JPS547314A
JPS547314A JP7218477A JP7218477A JPS547314A JP S547314 A JPS547314 A JP S547314A JP 7218477 A JP7218477 A JP 7218477A JP 7218477 A JP7218477 A JP 7218477A JP S547314 A JPS547314 A JP S547314A
Authority
JP
Japan
Prior art keywords
spool
driving system
tape driving
tape
letting
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
JP7218477A
Other languages
Japanese (ja)
Inventor
Takeyoshi Koi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7218477A priority Critical patent/JPS547314A/en
Publication of JPS547314A publication Critical patent/JPS547314A/en
Pending legal-status Critical Current

Links

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

PURPOSE: To run tape stably without exerting excessive force by letting the detecting values of spool radii obtained by comparing the angular speed of a spool motor and tape running speed by the moment-of-inertia controlling quantity of the spool.
COPYRIGHT: (C)1979,JPO&Japio
JP7218477A 1977-06-20 1977-06-20 Tape driving system Pending JPS547314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7218477A JPS547314A (en) 1977-06-20 1977-06-20 Tape driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7218477A JPS547314A (en) 1977-06-20 1977-06-20 Tape driving system

Publications (1)

Publication Number Publication Date
JPS547314A true JPS547314A (en) 1979-01-20

Family

ID=13481867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7218477A Pending JPS547314A (en) 1977-06-20 1977-06-20 Tape driving system

Country Status (1)

Country Link
JP (1) JPS547314A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717551A (en) * 1989-01-17 1998-02-10 Fuji Photo Film Co., Ltd. Contact-type magnetic head having an integral control portion for generating negative pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717551A (en) * 1989-01-17 1998-02-10 Fuji Photo Film Co., Ltd. Contact-type magnetic head having an integral control portion for generating negative pressure

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