IT980812B - Disco video - Google Patents
Disco videoInfo
- Publication number
- IT980812B IT980812B IT6803073A IT6803073A IT980812B IT 980812 B IT980812 B IT 980812B IT 6803073 A IT6803073 A IT 6803073A IT 6803073 A IT6803073 A IT 6803073A IT 980812 B IT980812 B IT 980812B
- Authority
- IT
- Italy
- Prior art keywords
- video disc
- video
- disc
- 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
- G11B9/061—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers
- G11B9/063—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers characterised by the selection of the material
- G11B9/066—Electrically conductive layers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24565372A | 1972-04-19 | 1972-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT980812B true IT980812B (it) | 1974-10-10 |
Family
ID=22927544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT6803073A IT980812B (it) | 1972-04-19 | 1973-04-10 | Disco video |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS533923B2 (fr) |
| AU (1) | AU469282B2 (fr) |
| CA (1) | CA998174A (fr) |
| DE (1) | DE2317849A1 (fr) |
| ES (1) | ES413611A1 (fr) |
| FR (1) | FR2180774B1 (fr) |
| GB (1) | GB1417047A (fr) |
| IT (1) | IT980812B (fr) |
| NL (1) | NL7305460A (fr) |
| SU (1) | SU452111A3 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826382U (fr) * | 1971-08-11 | 1973-03-29 | ||
| US4004080A (en) * | 1975-07-25 | 1977-01-18 | Rca Corporation | Metal coating for video discs |
| JP4648991B1 (ja) * | 2010-08-02 | 2011-03-09 | 株式会社ホウショウＥｇ | 雨水浸透坑掘削装置 |
-
1973
- 1973-04-02 SU SU1913014A patent/SU452111A3/ru active
- 1973-04-10 DE DE19732317849 patent/DE2317849A1/de active Pending
- 1973-04-10 IT IT6803073A patent/IT980812B/it active
- 1973-04-12 CA CA168,607A patent/CA998174A/en not_active Expired
- 1973-04-12 FR FR7313283A patent/FR2180774B1/fr not_active Expired
- 1973-04-12 ES ES413611A patent/ES413611A1/es not_active Expired
- 1973-04-13 JP JP4265373A patent/JPS533923B2/ja not_active Expired
- 1973-04-13 GB GB1779373A patent/GB1417047A/en not_active Expired
- 1973-04-18 NL NL7305460A patent/NL7305460A/xx unknown
- 1973-04-18 AU AU54646/73A patent/AU469282B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA998174A (en) | 1976-10-05 |
| GB1417047A (en) | 1975-12-10 |
| FR2180774A1 (fr) | 1973-11-30 |
| AU469282B2 (en) | 1976-02-12 |
| SU452111A3 (ru) | 1974-11-30 |
| DE2317849A1 (de) | 1973-10-31 |
| FR2180774B1 (fr) | 1977-02-04 |
| NL7305460A (fr) | 1973-10-23 |
| AU5464673A (en) | 1974-10-24 |
| ES413611A1 (es) | 1975-12-16 |
| JPS533923B2 (fr) | 1978-02-13 |
| JPS4928303A (fr) | 1974-03-13 |
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