JPH0465322B2 - - Google Patents

Info

Publication number
JPH0465322B2
JPH0465322B2 JP652482A JP652482A JPH0465322B2 JP H0465322 B2 JPH0465322 B2 JP H0465322B2 JP 652482 A JP652482 A JP 652482A JP 652482 A JP652482 A JP 652482A JP H0465322 B2 JPH0465322 B2 JP H0465322B2
Authority
JP
Japan
Prior art keywords
tachometer
reel
output
idler
rotation
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.)
Expired
Application number
JP652482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58123413A (ja
Inventor
Yuzuru Koga
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.)
Fujitsu Ltd
Hitachi Ltd
Original Assignee
Fujitsu Ltd
Hitachi 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 Fujitsu Ltd, Hitachi Ltd filed Critical Fujitsu Ltd
Priority to JP652482A priority Critical patent/JPS58123413A/ja
Publication of JPS58123413A publication Critical patent/JPS58123413A/ja
Publication of JPH0465322B2 publication Critical patent/JPH0465322B2/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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/005—Sensing web roll diameter

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP652482A 1982-01-19 1982-01-19 長尺物巻付き半径検出方式 Granted JPS58123413A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP652482A JPS58123413A (ja) 1982-01-19 1982-01-19 長尺物巻付き半径検出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP652482A JPS58123413A (ja) 1982-01-19 1982-01-19 長尺物巻付き半径検出方式

Publications (2)

Publication Number Publication Date
JPS58123413A JPS58123413A (ja) 1983-07-22
JPH0465322B2 true JPH0465322B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-19

Family

ID=11640753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP652482A Granted JPS58123413A (ja) 1982-01-19 1982-01-19 長尺物巻付き半径検出方式

Country Status (1)

Country Link
JP (1) JPS58123413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63279112A (ja) * 1987-05-12 1988-11-16 Hoden Seimitsu Kako Kenkyusho Ltd リ−ル巻回物の巻回半径測定装置
US6622113B2 (en) 2001-06-21 2003-09-16 International Business Machines Corporation Method and apparatus for detecting and computing tape reel radius using low-resolution angular position sensors

Also Published As

Publication number Publication date
JPS58123413A (ja) 1983-07-22

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