JPS5792462A - Position detector - Google Patents

Position detector

Info

Publication number
JPS5792462A
JPS5792462A JP16546480A JP16546480A JPS5792462A JP S5792462 A JPS5792462 A JP S5792462A JP 16546480 A JP16546480 A JP 16546480A JP 16546480 A JP16546480 A JP 16546480A JP S5792462 A JPS5792462 A JP S5792462A
Authority
JP
Japan
Prior art keywords
voltage
photodetecting element
record disk
polarity
prescribed positions
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.)
Granted
Application number
JP16546480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6318242B2 (cg-RX-API-DMAC7.html
Inventor
Mikio Kida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Priority to JP16546480A priority Critical patent/JPS5792462A/ja
Publication of JPS5792462A publication Critical patent/JPS5792462A/ja
Publication of JPS6318242B2 publication Critical patent/JPS6318242B2/ja
Granted legal-status Critical Current

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
JP16546480A 1980-11-25 1980-11-25 Position detector Granted JPS5792462A (en)

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 true JPS5792462A (en) 1982-06-09
JPS6318242B2 JPS6318242B2 (cg-RX-API-DMAC7.html) 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 (cg-RX-API-DMAC7.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131343A (ja) * 1974-09-07 1976-03-17 Kubota Ltd Hakuyonainenkikannoreikyakusochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131343A (ja) * 1974-09-07 1976-03-17 Kubota Ltd Hakuyonainenkikannoreikyakusochi

Also Published As

Publication number Publication date
JPS6318242B2 (cg-RX-API-DMAC7.html) 1988-04-18

Similar Documents

Publication Publication Date Title
JPS5760566A (en) Magnetic head device
JPS552932A (en) Air-fuel ratio detector
EP0205592A1 (en) Charge balancing detection circuit
GB1415028A (en) Apparatus for detecting spin of golf ball in indoor golf playing system
JPS5792462A (en) Position detector
US4422026A (en) Servo control arrangement utilizing alternately energized light sources and a single photodetector
JPS57176505A (en) Bias magnetic field applying system
JPS5641533A (en) Regenerative device
JPS56147003A (en) Detecting method for barycenter position of face pressure
DE3574909D1 (de) Geraet zum messen von schwachen stroemen mit hohem dynamikbereich.
JPS51127774A (en) Temperature compensation circuit for radiant ray detector
JPS6486355A (en) Cassette autochanger
JPS5482248A (en) Beam detection circuit for laser recorder
JPS5680548A (en) Throttle opening detector
JPS5735480A (en) Automatic focussing device
JPS57182112A (en) Range detector
JPS5211975A (en) Supersonic flaw detector
JPS57211503A (en) Measuring method for displacement of disc
JPS55129930A (en) Height position detection unit of magnetic head
JPS57124213A (en) Level sensor
JPS55122161A (en) Device for measuring velocity of wind
JPS5451551A (en) Laser position detector
JPS5730955A (en) Detecting circuit for speed
JPS6425006A (en) Optical method for detecting distance
JPS5276985A (en) Flaw detector