JPS61145305U - - Google Patents
Info
- Publication number
- JPS61145305U JPS61145305U JP2628885U JP2628885U JPS61145305U JP S61145305 U JPS61145305 U JP S61145305U JP 2628885 U JP2628885 U JP 2628885U JP 2628885 U JP2628885 U JP 2628885U JP S61145305 U JPS61145305 U JP S61145305U
- Authority
- JP
- Japan
- Prior art keywords
- erasing
- current
- reproducing device
- magnetic recording
- oscillation frequency
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Digital Magnetic Recording (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2628885U JPS61145305U (fi) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2628885U JPS61145305U (fi) | 1985-02-27 | 1985-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61145305U true JPS61145305U (fi) | 1986-09-08 |
Family
ID=30522154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2628885U Pending JPS61145305U (fi) | 1985-02-27 | 1985-02-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61145305U (fi) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130849A (en) * | 1977-04-20 | 1978-11-15 | Hitachi Ltd | Control system for controlling amount of agglomerating agent added in purification tank |
JPS54143296A (en) * | 1978-04-28 | 1979-11-08 | Shinji Takasaki | Flock measuring device |
-
1985
- 1985-02-27 JP JP2628885U patent/JPS61145305U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130849A (en) * | 1977-04-20 | 1978-11-15 | Hitachi Ltd | Control system for controlling amount of agglomerating agent added in purification tank |
JPS54143296A (en) * | 1978-04-28 | 1979-11-08 | Shinji Takasaki | Flock measuring device |
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