JPS6325308B2 - - Google Patents
Info
- Publication number
- JPS6325308B2 JPS6325308B2 JP21034081A JP21034081A JPS6325308B2 JP S6325308 B2 JPS6325308 B2 JP S6325308B2 JP 21034081 A JP21034081 A JP 21034081A JP 21034081 A JP21034081 A JP 21034081A JP S6325308 B2 JPS6325308 B2 JP S6325308B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- low
- pass filter
- signal
- comparator
- 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
Links
- 238000012360 testing method Methods 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1207—Testing individual magnetic storage devices, e.g. records carriers or digital storage elements
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21034081A JPS58113871A (ja) | 1981-12-28 | 1981-12-28 | 磁気デイスク媒体特性測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21034081A JPS58113871A (ja) | 1981-12-28 | 1981-12-28 | 磁気デイスク媒体特性測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58113871A JPS58113871A (ja) | 1983-07-06 |
JPS6325308B2 true JPS6325308B2 (cs) | 1988-05-25 |
Family
ID=16587783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21034081A Granted JPS58113871A (ja) | 1981-12-28 | 1981-12-28 | 磁気デイスク媒体特性測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58113871A (cs) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60251521A (ja) * | 1984-05-28 | 1985-12-12 | Nec Corp | 磁気デイスク板検査装置 |
JPS62188984A (ja) * | 1986-02-14 | 1987-08-18 | Nec Corp | 磁気デイスク媒体特性測定装置 |
-
1981
- 1981-12-28 JP JP21034081A patent/JPS58113871A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58113871A (ja) | 1983-07-06 |
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