FR2494883B1 - - Google Patents
Info
- Publication number
- FR2494883B1 FR2494883B1 FR8121006A FR8121006A FR2494883B1 FR 2494883 B1 FR2494883 B1 FR 2494883B1 FR 8121006 A FR8121006 A FR 8121006A FR 8121006 A FR8121006 A FR 8121006A FR 2494883 B1 FR2494883 B1 FR 2494883B1
- Authority
- FR
- France
- 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
- 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
- G11B9/07—Heads for reproducing capacitive information
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/208,983 US4371961A (en) | 1980-11-21 | 1980-11-21 | Capacitive information system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2494883A1 FR2494883A1 (fr) | 1982-05-28 |
| FR2494883B1 true FR2494883B1 (enExample) | 1984-12-28 |
Family
ID=22776861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8121006A Granted FR2494883A1 (fr) | 1980-11-21 | 1981-11-10 | Systeme de stockage et de restitution d'information comportant un disque et une pointe de lecture |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4371961A (enExample) |
| JP (1) | JPS57113438A (enExample) |
| DE (1) | DE3145351A1 (enExample) |
| FR (1) | FR2494883A1 (enExample) |
| GB (1) | GB2089099A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489278A (en) * | 1982-06-03 | 1984-12-18 | Tokyo Shibaura Denki Kabushiki Kaisha | Electrostatic voltage detecting device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842194A (en) * | 1971-03-22 | 1974-10-15 | Rca Corp | Information records and recording/playback systems therefor |
| US3943276A (en) * | 1974-06-03 | 1976-03-09 | Zenith Radio Corporation | Record tracking pickup structure for a capacitive disc |
| US3930117A (en) * | 1974-11-14 | 1975-12-30 | Rca Corp | Video capacitive disc playback apparatus and stylus with dielectric coating therefor |
| JPS5362501A (en) * | 1976-11-17 | 1978-06-05 | Victor Co Of Japan Ltd | Scanning needle |
| US4273967A (en) * | 1976-11-17 | 1981-06-16 | Victor Company Of Japan, Limited | Stylus for reproducing capacitive videodisc |
| US4162510A (en) * | 1977-03-25 | 1979-07-24 | Rca Corporation | Keel-tipped stylus for video disc systems |
| US4296371A (en) * | 1980-03-17 | 1981-10-20 | Rca Corporation | System for measuring stylus shoe length |
-
1980
- 1980-11-21 US US06/208,983 patent/US4371961A/en not_active Expired - Lifetime
-
1981
- 1981-11-10 FR FR8121006A patent/FR2494883A1/fr active Granted
- 1981-11-14 DE DE19813145351 patent/DE3145351A1/de not_active Withdrawn
- 1981-11-18 GB GB8134765A patent/GB2089099A/en not_active Withdrawn
- 1981-11-18 JP JP56186080A patent/JPS57113438A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2494883A1 (fr) | 1982-05-28 |
| DE3145351A1 (de) | 1982-10-14 |
| US4371961A (en) | 1983-02-01 |
| GB2089099A (en) | 1982-06-16 |
| JPS57113438A (en) | 1982-07-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |