JPS55139652A - Tape taking-up method - Google Patents

Tape taking-up method

Info

Publication number
JPS55139652A
JPS55139652A JP4493479A JP4493479A JPS55139652A JP S55139652 A JPS55139652 A JP S55139652A JP 4493479 A JP4493479 A JP 4493479A JP 4493479 A JP4493479 A JP 4493479A JP S55139652 A JPS55139652 A JP S55139652A
Authority
JP
Japan
Prior art keywords
tape
take
column
width
diameter
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
JP4493479A
Other languages
Japanese (ja)
Inventor
Kiyokazu Imanishi
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 JP4493479A priority Critical patent/JPS55139652A/en
Publication of JPS55139652A publication Critical patent/JPS55139652A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To prevent a tape from damaging by changing an air column tape loop according to the variation of a take-up diameter by winding the tape around a take- up reel.
CONSTITUTION: According to predetermined pattern 14, width H of an air column is varied corresponding to tape take-up diameter (d) measured by take-up reel 5. The tension of a tape generated in the air column is found by a fixed formula of the tape width, column width H, atmospheric pressure Pa, and column negative pressure Pc. As a result, varying column width H makes it possible to set the take-up tension of the tape corresponding to the variation of tape take-up diameter (d) of the take-up reel according to the predetermined variation pattern.
COPYRIGHT: (C)1980,JPO&Japio
JP4493479A 1979-04-12 1979-04-12 Tape taking-up method Pending JPS55139652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4493479A JPS55139652A (en) 1979-04-12 1979-04-12 Tape taking-up method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4493479A JPS55139652A (en) 1979-04-12 1979-04-12 Tape taking-up method

Publications (1)

Publication Number Publication Date
JPS55139652A true JPS55139652A (en) 1980-10-31

Family

ID=12705297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4493479A Pending JPS55139652A (en) 1979-04-12 1979-04-12 Tape taking-up method

Country Status (1)

Country Link
JP (1) JPS55139652A (en)

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