IT1134742B - Sistema sensore della posizione dello stilo in un riproduttore di videodischi - Google Patents
Sistema sensore della posizione dello stilo in un riproduttore di videodischiInfo
- Publication number
- IT1134742B IT1134742B IT26681/80A IT2668180A IT1134742B IT 1134742 B IT1134742 B IT 1134742B IT 26681/80 A IT26681/80 A IT 26681/80A IT 2668180 A IT2668180 A IT 2668180A IT 1134742 B IT1134742 B IT 1134742B
- Authority
- IT
- Italy
- Prior art keywords
- position sensor
- sensor system
- video disc
- disc reproducer
- style position
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
-
- 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
-
- 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
- G11B3/08516—Control of drive of the head for pivoting pick-up arms using magnetic detecting means
-
- 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
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
- G11B3/34—Driving or guiding during transducing operation
- G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/105,504 US4313189A (en) | 1979-12-20 | 1979-12-20 | Stylus position sensor for video disc player apparatus |
| US06/116,249 US4327434A (en) | 1980-01-28 | 1980-01-28 | Video disc stylus position sensor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8026681A0 IT8026681A0 (it) | 1980-12-16 |
| IT1134742B true IT1134742B (it) | 1986-08-13 |
Family
ID=26802651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26681/80A IT1134742B (it) | 1979-12-20 | 1980-12-16 | Sistema sensore della posizione dello stilo in un riproduttore di videodischi |
Country Status (13)
| Country | Link |
|---|---|
| KR (1) | KR840000872B1 (it) |
| AT (1) | AT374947B (it) |
| AU (1) | AU6536480A (it) |
| DE (1) | DE3048140C2 (it) |
| DK (1) | DK542580A (it) |
| ES (1) | ES497982A0 (it) |
| FI (1) | FI803867L (it) |
| FR (1) | FR2473210A1 (it) |
| GB (1) | GB2071332B (it) |
| IT (1) | IT1134742B (it) |
| NL (1) | NL8006932A (it) |
| PL (1) | PL131062B1 (it) |
| PT (1) | PT72201B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326982A (en) * | 1990-03-23 | 1994-07-05 | Geotronics Ab | Analogue displacement sensor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2536892A (en) * | 1944-12-30 | 1951-01-02 | Rca Corp | Reproducer stylus tracking device |
| FR1580472A (it) * | 1968-07-12 | 1969-09-05 | ||
| GB1361610A (en) * | 1971-08-09 | 1974-07-30 | Plessey Co Ltd | Apparatus for playing disc records |
| US3917903A (en) * | 1974-11-12 | 1975-11-04 | Rca Corp | Detachable pickup arm magnetic coupling |
| JPS5744536Y2 (it) * | 1975-10-23 | 1982-10-01 | ||
| DE2629994A1 (de) * | 1976-07-03 | 1978-01-05 | Ted Bildplatten | Signalwiedergabegeraet |
| GB1599052A (en) * | 1977-04-19 | 1981-09-30 | Rca Corp | Pickup cartridge for record disc players |
| JPS5936345B2 (ja) * | 1977-04-28 | 1984-09-03 | ソニー株式会社 | 直線移動型ト−ンア−ム装置 |
| JPS54307U (it) * | 1977-06-04 | 1979-01-05 |
-
1980
- 1980-12-12 FI FI803867A patent/FI803867L/fi not_active Application Discontinuation
- 1980-12-12 AU AU65364/80A patent/AU6536480A/en not_active Abandoned
- 1980-12-15 PT PT72201A patent/PT72201B/pt unknown
- 1980-12-16 IT IT26681/80A patent/IT1134742B/it active
- 1980-12-17 GB GB8040403A patent/GB2071332B/en not_active Expired
- 1980-12-19 KR KR1019800004859A patent/KR840000872B1/ko active
- 1980-12-19 ES ES497982A patent/ES497982A0/es active Granted
- 1980-12-19 PL PL1980228598A patent/PL131062B1/pl unknown
- 1980-12-19 NL NL8006932A patent/NL8006932A/nl not_active Application Discontinuation
- 1980-12-19 DK DK542580A patent/DK542580A/da not_active Application Discontinuation
- 1980-12-19 FR FR8027113A patent/FR2473210A1/fr active Pending
- 1980-12-19 DE DE3048140A patent/DE3048140C2/de not_active Expired
- 1980-12-22 AT AT0626580A patent/AT374947B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PL228598A1 (it) | 1981-08-21 |
| DK542580A (da) | 1981-06-21 |
| PT72201B (en) | 1982-01-05 |
| IT8026681A0 (it) | 1980-12-16 |
| GB2071332A (en) | 1981-09-16 |
| FR2473210A1 (fr) | 1981-07-10 |
| ATA626580A (de) | 1983-10-15 |
| GB2071332B (en) | 1983-10-26 |
| AT374947B (de) | 1984-06-12 |
| PL131062B1 (en) | 1984-09-29 |
| DE3048140C2 (de) | 1984-04-12 |
| ES8106975A1 (es) | 1981-09-16 |
| PT72201A (en) | 1981-01-01 |
| FI803867L (fi) | 1981-06-21 |
| DE3048140A1 (de) | 1981-09-10 |
| ES497982A0 (es) | 1981-09-16 |
| KR840000872B1 (ko) | 1984-06-20 |
| AU6536480A (en) | 1981-06-25 |
| NL8006932A (nl) | 1981-07-16 |
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