JPS6318242B2 - - Google Patents
Info
- Publication number
- JPS6318242B2 JPS6318242B2 JP55165464A JP16546480A JPS6318242B2 JP S6318242 B2 JPS6318242 B2 JP S6318242B2 JP 55165464 A JP55165464 A JP 55165464A JP 16546480 A JP16546480 A JP 16546480A JP S6318242 B2 JPS6318242 B2 JP S6318242B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- voltage
- reference voltage
- detection means
- detection
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/02—Arrangements of heads
- G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
- G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
- G11B3/08503—Control of drive of the head
- G11B3/08506—Control of drive of the head for pivoting pick-up arms
- G11B3/08512—Control of drive of the head for pivoting pick-up arms using optical detecting means
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16546480A JPS5792462A (en) | 1980-11-25 | 1980-11-25 | Position detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16546480A JPS5792462A (en) | 1980-11-25 | 1980-11-25 | Position detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5792462A JPS5792462A (en) | 1982-06-09 |
JPS6318242B2 true JPS6318242B2 (enrdf_load_stackoverflow) | 1988-04-18 |
Family
ID=15812907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16546480A Granted JPS5792462A (en) | 1980-11-25 | 1980-11-25 | Position detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5792462A (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131343A (ja) * | 1974-09-07 | 1976-03-17 | Kubota Ltd | Hakuyonainenkikannoreikyakusochi |
-
1980
- 1980-11-25 JP JP16546480A patent/JPS5792462A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5792462A (en) | 1982-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0240678B1 (en) | Rotational velocity control with pulse width modulation | |
US3259989A (en) | Method and apparatus for automatic centering system | |
US3750036A (en) | Automatic control | |
EP0022789B1 (en) | Gas analyzer and gaz analyzing method | |
US4117386A (en) | Digital continuous potentiometer servo feedback element | |
US3924177A (en) | Tape loop tension arm position indicator system | |
JPS6318242B2 (enrdf_load_stackoverflow) | ||
US3579268A (en) | Automatic quadrature and amplitude stabilizer | |
JPH05225690A (ja) | 光記録再生システムのスピンドルモーター制御回路 | |
JPH0476863A (ja) | 磁気ディスク検査装置 | |
US4814624A (en) | Method and apparatus for measuring the position of an object boundary | |
US4977539A (en) | High-speed searching apparatus for CDP | |
JP2642929B2 (ja) | 位置センサの調整方法 | |
US4720628A (en) | Optical process for determining the endpoint of a process via analog multiplication of photocell signals | |
JPS5665105A (en) | Variable magnification lens built-in lens system | |
JP2735241B2 (ja) | 光ディスクのシーク方法及び光ディスク装置 | |
JPH0452482B2 (enrdf_load_stackoverflow) | ||
KR940002499Y1 (ko) | 광기록 재생장치의 기울기 보상회로 | |
KR890000660Y1 (ko) | 모우터의 감속 및 가속 제어회로 | |
US4212469A (en) | Disc record players | |
JPS60250230A (ja) | 示差屈折計 | |
GB970369A (en) | Improvements in or relating to methods and apparatus for testing optical systems, lenses and the like | |
SU771616A1 (ru) | След ща система | |
JPH0432562Y2 (enrdf_load_stackoverflow) | ||
JPH03201272A (ja) | 磁気ディスク装置 |