FR2461325A1 - Systeme de restitution de signaux pre-enregistres sur un disque avec dispositif de detection de la position de l'aiguille - Google Patents
Systeme de restitution de signaux pre-enregistres sur un disque avec dispositif de detection de la position de l'aiguille Download PDFInfo
- Publication number
- FR2461325A1 FR2461325A1 FR8015175A FR8015175A FR2461325A1 FR 2461325 A1 FR2461325 A1 FR 2461325A1 FR 8015175 A FR8015175 A FR 8015175A FR 8015175 A FR8015175 A FR 8015175A FR 2461325 A1 FR2461325 A1 FR 2461325A1
- Authority
- FR
- France
- Prior art keywords
- electrode
- needle
- carriage
- cartridge
- capacitance
- 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.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 title description 4
- 238000013519 translation Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 14
- 230000007717 exclusion Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- 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
- G11B21/06—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 the record carrier having mechanical means to ensure traverse movement of the head, e.g. grooves
Landscapes
- Moving Of Heads (AREA)
- Optical Recording Or Reproduction (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5564879A | 1979-07-09 | 1979-07-09 | |
| US06/055,976 US4280023A (en) | 1979-07-09 | 1979-07-09 | Stylus position sensing apparatus for video disc player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2461325A1 true FR2461325A1 (fr) | 1981-01-30 |
Family
ID=26734479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8015175A Withdrawn FR2461325A1 (fr) | 1979-07-09 | 1980-07-08 | Systeme de restitution de signaux pre-enregistres sur un disque avec dispositif de detection de la position de l'aiguille |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT374945B (it) |
| AU (1) | AU539371B2 (it) |
| DE (1) | DE3026050C2 (it) |
| DK (1) | DK294680A (it) |
| ES (1) | ES493176A0 (it) |
| FI (1) | FI802125A (it) |
| FR (1) | FR2461325A1 (it) |
| GB (1) | GB2056721B (it) |
| IT (1) | IT1131334B (it) |
| NL (1) | NL8003937A (it) |
| PL (1) | PL135026B1 (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375094A (en) * | 1980-11-10 | 1983-02-22 | Rca Corporation | Apparatus for advancing a video disc pickup transducer beyond a disc record defect |
| JPS58188340A (ja) * | 1982-04-28 | 1983-11-02 | Sony Corp | 光学式再生装置 |
| US4504941A (en) * | 1983-01-28 | 1985-03-12 | Rca Corporation | Stylus cartridge having stylus arm restraint |
| CA1241741A (en) * | 1984-05-24 | 1988-09-06 | Robert A. Scranton | Variable impedance contrast in data storage media |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2915315A (en) * | 1954-06-14 | 1959-12-01 | Libman Max L | Servo arm for phonograph pickups |
| DE2361793C2 (de) * | 1973-12-12 | 1983-06-16 | Ted Bildplatten Ag Aeg-Telefunken-Teldec, 6301 Zug | Wiedergabeeinrichtung für einen scheibenförmigen Aufzeichnungsträger |
| 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 |
-
1980
- 1980-06-17 IT IT22833/80A patent/IT1131334B/it active
- 1980-07-02 FI FI802125A patent/FI802125A/fi not_active Application Discontinuation
- 1980-07-02 AU AU60047/80A patent/AU539371B2/en not_active Ceased
- 1980-07-07 GB GB8022160A patent/GB2056721B/en not_active Expired
- 1980-07-07 ES ES493176A patent/ES493176A0/es active Granted
- 1980-07-08 AT AT0355080A patent/AT374945B/de not_active IP Right Cessation
- 1980-07-08 NL NL8003937A patent/NL8003937A/nl not_active Application Discontinuation
- 1980-07-08 FR FR8015175A patent/FR2461325A1/fr not_active Withdrawn
- 1980-07-08 DK DK294680A patent/DK294680A/da not_active Application Discontinuation
- 1980-07-09 PL PL1980225556A patent/PL135026B1/pl unknown
- 1980-07-09 DE DE3026050A patent/DE3026050C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI802125A (fi) | 1981-01-10 |
| ES8104619A1 (es) | 1981-04-01 |
| IT8022833A0 (it) | 1980-06-17 |
| AU6004780A (en) | 1981-01-15 |
| PL225556A1 (it) | 1981-04-10 |
| GB2056721A (en) | 1981-03-18 |
| AU539371B2 (en) | 1984-09-27 |
| DE3026050A1 (de) | 1981-02-19 |
| DK294680A (da) | 1981-01-10 |
| AT374945B (de) | 1984-06-12 |
| ATA355080A (de) | 1983-10-15 |
| PL135026B1 (en) | 1985-09-30 |
| NL8003937A (nl) | 1981-01-13 |
| ES493176A0 (es) | 1981-04-01 |
| DE3026050C2 (de) | 1986-01-16 |
| GB2056721B (en) | 1983-05-05 |
| IT1131334B (it) | 1986-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |