JPH0435217U - - Google Patents
Info
- Publication number
- JPH0435217U JPH0435217U JP7697790U JP7697790U JPH0435217U JP H0435217 U JPH0435217 U JP H0435217U JP 7697790 U JP7697790 U JP 7697790U JP 7697790 U JP7697790 U JP 7697790U JP H0435217 U JPH0435217 U JP H0435217U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- amount
- displacement
- amount detector
- light
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims description 7
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Description
第１図は本考案の硬化度測定装置を示す斜視図
、第２図は第１図の要部を断面した拡大図、第３
図は磁性層の亀裂の状態を示す図、第４図は磁気
テープの変位量と透光量との関係を示す図、第５
図は従来の硬化度測定装置を示す斜視図である。
１……磁気テープ、２……変位量検出器、５…
…レーザー光発生器、６……透光量検出器。
Fig. 1 is a perspective view showing the hardening degree measuring device of the present invention, Fig. 2 is an enlarged cross-sectional view of the main part of Fig. 1, and Fig. 3 is a perspective view showing the hardening degree measuring device of the present invention.
The figure shows the state of cracks in the magnetic layer, Figure 4 shows the relationship between the amount of displacement of the magnetic tape and the amount of light transmitted, and Figure 5 shows the relationship between the amount of displacement of the magnetic tape and the amount of light transmitted.
The figure is a perspective view showing a conventional hardness measuring device. 1...Magnetic tape, 2...Displacement amount detector, 5...
...Laser light generator, 6...Transmitted light amount detector.
Claims (1)
させて変位量を検出する磁気テープ変位量検出器
と、磁気テープを挾んで投光部と受光部とを有す
る透光量検出器とを具備し、 前記透光量検出器から透光量の変化と前記磁気
テープ変位量検出器から変位量とを同時に検出し
、磁気テープの磁性層硬化度を測定するようにし
たことを特徴とする磁気テープの磁性層硬化度測
定装置。[Claim for Utility Model Registration] A magnetic tape displacement amount detector that detects the amount of displacement by fixing one end of a magnetic tape and moving the other end; a light amount detector, so as to simultaneously detect a change in the amount of transmitted light from the light transmitted amount detector and a displacement amount from the magnetic tape displacement amount detector to measure the degree of hardening of the magnetic layer of the magnetic tape. An apparatus for measuring the degree of hardness of a magnetic layer of a magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7697790U JPH0435217U (en) | 1990-07-18 | 1990-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7697790U JPH0435217U (en) | 1990-07-18 | 1990-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435217U true JPH0435217U (en) | 1992-03-24 |
Family
ID=31618931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7697790U Pending JPH0435217U (en) | 1990-07-18 | 1990-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435217U (en) |
-
1990
- 1990-07-18 JP JP7697790U patent/JPH0435217U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0172526U (en) | ||
| JPH0435217U (en) | ||
| JPH03129492U (en) | ||
| JPS6176308U (en) | ||
| JPS6230103U (en) | ||
| JPS61104307U (en) | ||
| JPH048901U (en) | ||
| JPH02129808U (en) | ||
| JPH0352601U (en) | ||
| JPS6249705U (en) | ||
| JPH03113152U (en) | ||
| JPH0271203U (en) | ||
| JPH032282U (en) | ||
| JPH0230002U (en) | ||
| JPH01119082U (en) | ||
| JPS5826609U (en) | Curved surface measuring instrument | |
| JPS6040433U (en) | Tabi bag with size measuring tool | |
| JPH0177902U (en) | ||
| JPS61131606U (en) | ||
| JPH0361518U (en) | ||
| JPS59166112U (en) | Roll alignment measuring device | |
| JPS63163434U (en) | ||
| JPS6179201U (en) | ||
| JPH03117246U (en) | ||
| JPH01132901U (en) |