IT980812B - VIDEO DISC - Google Patents

VIDEO DISC

Info

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
Application number
IT6803073A
Other languages
Italian (it)
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
Application filed by Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT980812B publication Critical patent/IT980812B/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
    • G11B9/066—Electrically conductive layers
IT6803073A 1972-04-19 1973-04-10 VIDEO DISC IT980812B (en)

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 (en) 1974-10-10

Family

ID=22927544

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6803073A IT980812B (en) 1972-04-19 1973-04-10 VIDEO DISC

Country Status (10)

Country Link
JP (1) JPS533923B2 (en)
AU (1) AU469282B2 (en)
CA (1) CA998174A (en)
DE (1) DE2317849A1 (en)
ES (1) ES413611A1 (en)
FR (1) FR2180774B1 (en)
GB (1) GB1417047A (en)
IT (1) IT980812B (en)
NL (1) NL7305460A (en)
SU (1) SU452111A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826382U (en) * 1971-08-11 1973-03-29
US4004080A (en) * 1975-07-25 1977-01-18 Rca Corporation Metal coating for video discs
JP4648991B1 (en) * 2010-08-02 2011-03-09 株式会社ホウショウＥｇ Rainwater infiltration mine drilling equipment

Also Published As

Publication number Publication date
DE2317849A1 (en) 1973-10-31
SU452111A3 (en) 1974-11-30
CA998174A (en) 1976-10-05
JPS533923B2 (en) 1978-02-13
FR2180774B1 (en) 1977-02-04
JPS4928303A (en) 1974-03-13
AU469282B2 (en) 1976-02-12
AU5464673A (en) 1974-10-24
GB1417047A (en) 1975-12-10
FR2180774A1 (en) 1973-11-30
NL7305460A (en) 1973-10-23
ES413611A1 (en) 1975-12-16

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