JPH0341287Y2 - - Google Patents
Info
- Publication number
- JPH0341287Y2 JPH0341287Y2 JP1981010967U JP1096781U JPH0341287Y2 JP H0341287 Y2 JPH0341287 Y2 JP H0341287Y2 JP 1981010967 U JP1981010967 U JP 1981010967U JP 1096781 U JP1096781 U JP 1096781U JP H0341287 Y2 JPH0341287 Y2 JP H0341287Y2
- Authority
- JP
- Japan
- Prior art keywords
- servo
- signal
- output signal
- output
- area
- 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
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Control Of Position Or Direction (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981010967U JPH0341287Y2 (it) | 1981-01-30 | 1981-01-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981010967U JPH0341287Y2 (it) | 1981-01-30 | 1981-01-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57127207U JPS57127207U (it) | 1982-08-07 |
JPH0341287Y2 true JPH0341287Y2 (it) | 1991-08-30 |
Family
ID=29809112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981010967U Expired JPH0341287Y2 (it) | 1981-01-30 | 1981-01-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0341287Y2 (it) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49109979A (it) * | 1973-01-17 | 1974-10-19 | ||
JPS5514581A (en) * | 1978-07-19 | 1980-02-01 | Pioneer Video Corp | In-focus detection unit |
-
1981
- 1981-01-30 JP JP1981010967U patent/JPH0341287Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49109979A (it) * | 1973-01-17 | 1974-10-19 | ||
JPS5514581A (en) * | 1978-07-19 | 1980-02-01 | Pioneer Video Corp | In-focus detection unit |
Also Published As
Publication number | Publication date |
---|---|
JPS57127207U (it) | 1982-08-07 |
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