IT7820752A0 - Videodisco non rivestito. - Google Patents
Videodisco non rivestito.Info
- Publication number
- IT7820752A0 IT7820752A0 IT7820752A IT2075278A IT7820752A0 IT 7820752 A0 IT7820752 A0 IT 7820752A0 IT 7820752 A IT7820752 A IT 7820752A IT 2075278 A IT2075278 A IT 2075278A IT 7820752 A0 IT7820752 A0 IT 7820752A0
- Authority
- IT
- Italy
- Prior art keywords
- videodisc
- uncoated
- uncoated videodisc
- 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
- G11B9/068—Moulding resin compositions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB10824/77A GB1574595A (en) | 1977-03-15 | 1977-03-15 | Video disc |
US81827977A | 1977-07-25 | 1977-07-25 | |
US05/818,716 US4151132A (en) | 1977-07-25 | 1977-07-25 | Molding composition |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820752A0 true IT7820752A0 (it) | 1978-02-28 |
IT1118212B IT1118212B (it) | 1986-02-24 |
Family
ID=27256583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20752/78A IT1118212B (it) | 1977-03-15 | 1978-02-28 | Videodisco non rivestito |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS53116104A (it) |
IT (1) | IT1118212B (it) |
NL (1) | NL7802787A (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54135524A (en) * | 1978-04-13 | 1979-10-20 | Toshiba Corp | Video disc |
US4228050A (en) * | 1979-01-15 | 1980-10-14 | Rca Corporation | Conductive molding composition |
JPS56106430U (it) * | 1980-01-14 | 1981-08-19 | ||
JPS5782308U (it) * | 1980-11-06 | 1982-05-21 | ||
US4472336A (en) * | 1981-04-17 | 1984-09-18 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing video disc |
JPS57177047A (en) * | 1981-04-22 | 1982-10-30 | Tokuyama Sekisui Kogyo Kk | Electrically conductive resin composition and video disc record |
JPS59129244A (ja) * | 1983-01-12 | 1984-07-25 | Matsushita Electric Ind Co Ltd | 導電性ポリ塩化ビニル系組成物の製造法 |
JPS59171052A (ja) * | 1983-03-18 | 1984-09-27 | Victor Co Of Japan Ltd | 高密度情報信号記録媒体 |
JPS59171051A (ja) * | 1983-03-18 | 1984-09-27 | Victor Co Of Japan Ltd | 高密度情報信号記録媒体 |
JPS59191152A (ja) * | 1983-04-14 | 1984-10-30 | Victor Co Of Japan Ltd | 高密度情報信号記録媒体 |
JPS59195355A (ja) * | 1983-04-20 | 1984-11-06 | Victor Co Of Japan Ltd | 高密度情報信号記録媒体 |
JPS6015844A (ja) * | 1983-07-07 | 1985-01-26 | Victor Co Of Japan Ltd | 高密度情報信号記録媒体 |
JPH01171649U (it) * | 1988-05-24 | 1989-12-05 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531529B2 (it) * | 1973-02-28 | 1980-08-19 |
-
1978
- 1978-02-28 IT IT20752/78A patent/IT1118212B/it active
- 1978-03-14 JP JP2920678A patent/JPS53116104A/ja active Granted
- 1978-03-14 NL NL7802787A patent/NL7802787A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS53116104A (en) | 1978-10-11 |
IT1118212B (it) | 1986-02-24 |
JPS6318255B2 (it) | 1988-04-18 |
NL7802787A (nl) | 1978-09-19 |
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