FR2321743A1 - Support et moyen d'enregistrement d'informations video - Google Patents

Support et moyen d'enregistrement d'informations video

Info

Publication number
FR2321743A1
FR2321743A1 FR7625333A FR7625333A FR2321743A1 FR 2321743 A1 FR2321743 A1 FR 2321743A1 FR 7625333 A FR7625333 A FR 7625333A FR 7625333 A FR7625333 A FR 7625333A FR 2321743 A1 FR2321743 A1 FR 2321743A1
Authority
FR
France
Prior art keywords
media
video information
recording video
recording
information
Prior art date
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.)
Granted
Application number
FR7625333A
Other languages
English (en)
French (fr)
Other versions
FR2321743B1 (OSRAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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
Publication of FR2321743A1 publication Critical patent/FR2321743A1/fr
Application granted granted Critical
Publication of FR2321743B1 publication Critical patent/FR2321743B1/fr
Granted legal-status Critical Current

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
    • G11B9/067—Dielectric layers; Processes for providing electrical conductivity to them
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
FR7625333A 1975-08-21 1976-08-20 Support et moyen d'enregistrement d'informations video Granted FR2321743A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/606,655 US4206256A (en) 1975-08-21 1975-08-21 Metallized video disc having an insulating layer thereon

Publications (2)

Publication Number Publication Date
FR2321743A1 true FR2321743A1 (fr) 1977-03-18
FR2321743B1 FR2321743B1 (OSRAM) 1982-04-16

Family

ID=24428903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625333A Granted FR2321743A1 (fr) 1975-08-21 1976-08-20 Support et moyen d'enregistrement d'informations video

Country Status (5)

Country Link
US (1) US4206256A (OSRAM)
JP (1) JPS5226820A (OSRAM)
DE (1) DE2636501A1 (OSRAM)
FR (1) FR2321743A1 (OSRAM)
IT (1) IT1061815B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435102A1 (fr) * 1978-08-29 1980-03-28 Rca Corp Perfectionnements apportes aux disques video
FR2451085A1 (fr) * 1979-03-05 1980-10-03 Rca Corp Couche ou revetement lubrifiant pour support d'enregistrement, d'information ou videodisque

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307156A (en) * 1978-06-13 1981-12-22 Nippon Electric Co., Ltd. Magnetic record member
JPS6099965A (ja) * 1983-11-02 1985-06-03 株式会社日立製作所 吸収式冷温水機
US4596733A (en) * 1983-12-30 1986-06-24 International Business Machines Corporation Electroerosion recording material with polyorganosiloxane overlayer
JP2002536778A (ja) 1999-02-12 2002-10-29 ゼネラル・エレクトリック・カンパニイ データ記憶媒体
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2180735A1 (OSRAM) * 1972-04-19 1973-11-30 Rca Corp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833408A (en) * 1972-04-19 1974-09-03 Rca Corp Video discs having a methyl alkyl silicone coating
US3882214A (en) * 1973-02-09 1975-05-06 Rca Corp Trapezoidal smooth grooves for video disc
US3901994A (en) * 1974-02-04 1975-08-26 Rca Corp Metallized video disc having a dielectric coating thereon
US4018945A (en) * 1975-06-19 1977-04-19 Rca Corporation Method of making a metallized video disc having an insulating layer thereon
US3982066A (en) * 1975-07-25 1976-09-21 Rca Corporation Metal coating for video discs
US4004080A (en) * 1975-07-25 1977-01-18 Rca Corporation Metal coating for video discs
US4072985A (en) * 1977-05-04 1978-02-07 Rca Corporation Video disc with a dielectric layer formed from styrene and nitrogen
US4077051A (en) * 1977-05-04 1978-02-28 Rca Corporation Video disc with a conductive layer having an oxygen content gradient
US4077052A (en) * 1977-05-04 1978-02-28 Rca Corporation Video disc capacitive recording means with a conductive bilayer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2180735A1 (OSRAM) * 1972-04-19 1973-11-30 Rca Corp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435102A1 (fr) * 1978-08-29 1980-03-28 Rca Corp Perfectionnements apportes aux disques video
FR2451085A1 (fr) * 1979-03-05 1980-10-03 Rca Corp Couche ou revetement lubrifiant pour support d'enregistrement, d'information ou videodisque

Also Published As

Publication number Publication date
FR2321743B1 (OSRAM) 1982-04-16
DE2636501A1 (de) 1977-02-24
US4206256A (en) 1980-06-03
JPS5718251B2 (OSRAM) 1982-04-15
IT1061815B (it) 1983-04-30
JPS5226820A (en) 1977-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse