IT1118212B - UNCOATED VIDEO DISK - Google Patents

UNCOATED VIDEO DISK

Info

Publication number
IT1118212B
IT1118212B IT20752/78A IT2075278A IT1118212B IT 1118212 B IT1118212 B IT 1118212B IT 20752/78 A IT20752/78 A IT 20752/78A IT 2075278 A IT2075278 A IT 2075278A IT 1118212 B IT1118212 B IT 1118212B
Authority
IT
Italy
Prior art keywords
uncoated
video disk
video
disk
uncoated video
Prior art date
Application number
IT20752/78A
Other languages
Italian (it)
Other versions
IT7820752A0 (en
Original Assignee
Rca Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB10824/77A external-priority patent/GB1574595A/en
Priority claimed from US05/818,716 external-priority patent/US4151132A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of IT7820752A0 publication Critical patent/IT7820752A0/en
Application granted granted Critical
Publication of IT1118212B publication Critical patent/IT1118212B/en

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
IT20752/78A 1977-03-15 1978-02-28 UNCOATED VIDEO DISK IT1118212B (en)

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 IT7820752A0 (en) 1978-02-28
IT1118212B true IT1118212B (en) 1986-02-24

Family

ID=27256583

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20752/78A IT1118212B (en) 1977-03-15 1978-02-28 UNCOATED VIDEO DISK

Country Status (3)

Country Link
JP (1) JPS53116104A (en)
IT (1) IT1118212B (en)
NL (1) NL7802787A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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 (en) * 1980-01-14 1981-08-19
JPS5782308U (en) * 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 (en) * 1983-01-12 1984-07-25 Matsushita Electric Ind Co Ltd Production of electrically conductive polyvinyl chloride composition
JPS59171051A (en) * 1983-03-18 1984-09-27 Victor Co Of Japan Ltd Recording medium of high density information signal
JPS59171052A (en) * 1983-03-18 1984-09-27 Victor Co Of Japan Ltd Recording medium of high density information signal
JPS59191152A (en) * 1983-04-14 1984-10-30 Victor Co Of Japan Ltd Recording medium for high density information signal
JPS59195355A (en) * 1983-04-20 1984-11-06 Victor Co Of Japan Ltd High density information signal recording medium
JPS6015844A (en) * 1983-07-07 1985-01-26 Victor Co Of Japan Ltd Recording medium for high density information signal
JPH01171649U (en) * 1988-05-24 1989-12-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531529B2 (en) * 1973-02-28 1980-08-19

Also Published As

Publication number Publication date
NL7802787A (en) 1978-09-19
JPS53116104A (en) 1978-10-11
IT7820752A0 (en) 1978-02-28
JPS6318255B2 (en) 1988-04-18

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