JPS645363B2 - - Google Patents
Info
- Publication number
- JPS645363B2 JPS645363B2 JP17266779A JP17266779A JPS645363B2 JP S645363 B2 JPS645363 B2 JP S645363B2 JP 17266779 A JP17266779 A JP 17266779A JP 17266779 A JP17266779 A JP 17266779A JP S645363 B2 JPS645363 B2 JP S645363B2
- Authority
- JP
- Japan
- Prior art keywords
- horizontal
- tone arm
- signal
- position detection
- detection signal
- 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
- 238000001514 detection method Methods 0.000 claims description 136
- 230000010363 phase shift Effects 0.000 claims description 4
- 238000003708 edge detection Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/14—Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17266779A JPS5698748A (en) | 1979-12-31 | 1979-12-31 | End detector of record player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17266779A JPS5698748A (en) | 1979-12-31 | 1979-12-31 | End detector of record player |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5698748A JPS5698748A (en) | 1981-08-08 |
| JPS645363B2 true JPS645363B2 (enrdf_load_html_response) | 1989-01-30 |
Family
ID=15946132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17266779A Granted JPS5698748A (en) | 1979-12-31 | 1979-12-31 | End detector of record player |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5698748A (enrdf_load_html_response) |
-
1979
- 1979-12-31 JP JP17266779A patent/JPS5698748A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5698748A (en) | 1981-08-08 |
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