IT1194036B - Stilo per un riproduttore di videodischi,formato da un supporto di diamante e da uno strato conduttivo ottenuto per impiantagione ionica - Google Patents

Stilo per un riproduttore di videodischi,formato da un supporto di diamante e da uno strato conduttivo ottenuto per impiantagione ionica

Info

Publication number
IT1194036B
IT1194036B IT20290/81A IT2029081A IT1194036B IT 1194036 B IT1194036 B IT 1194036B IT 20290/81 A IT20290/81 A IT 20290/81A IT 2029081 A IT2029081 A IT 2029081A IT 1194036 B IT1194036 B IT 1194036B
Authority
IT
Italy
Prior art keywords
stilo
conductive layer
layer obtained
video disc
diamond support
Prior art date
Application number
IT20290/81A
Other languages
English (en)
Other versions
IT8120290A0 (it
Inventor
Charles William Mueller
Edward Curtis Douglas
Michael Thomas Duffy
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 IT8120290A0 publication Critical patent/IT8120290A0/it
Application granted granted Critical
Publication of IT1194036B publication Critical patent/IT1194036B/it

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
    • G11B9/07—Heads for reproducing capacitive information
    • G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus
IT20290/81A 1980-03-28 1981-03-11 Stilo per un riproduttore di videodischi,formato da un supporto di diamante e da uno strato conduttivo ottenuto per impiantagione ionica IT1194036B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13490680A 1980-03-28 1980-03-28

Publications (2)

Publication Number Publication Date
IT8120290A0 IT8120290A0 (it) 1981-03-11
IT1194036B true IT1194036B (it) 1988-08-31

Family

ID=22465544

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20290/81A IT1194036B (it) 1980-03-28 1981-03-11 Stilo per un riproduttore di videodischi,formato da un supporto di diamante e da uno strato conduttivo ottenuto per impiantagione ionica

Country Status (6)

Country Link
JP (1) JPS56153545A (it)
AT (1) AT374296B (it)
DE (1) DE3110963A1 (it)
FR (1) FR2479633B1 (it)
GB (1) GB2072927A (it)
IT (1) IT1194036B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188860A (ja) * 1983-04-08 1984-10-26 Victor Co Of Japan Ltd 静電容量値の変化検出型再生針
US4929489A (en) * 1987-07-20 1990-05-29 Dreschhoff Gisela A M Method of making and using selective conductive regions in diamond layers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873782A (en) * 1973-02-08 1975-03-25 Rca Corp Capacitive protection coupling element for stylus electrode discharge
JPS5223835A (en) * 1975-08-18 1977-02-23 Mitsui Shipbuilding Eng Method of making artificial ice mound protection bank
JPS5274329A (en) * 1975-12-17 1977-06-22 Matsushita Electric Ind Co Ltd Production of stylus for video disc apparatus
JPS5387212A (en) * 1977-01-11 1978-08-01 Victor Co Of Japan Ltd Reproducing stylus of capacity change detecting type reproducing element
JPS5931763B2 (ja) * 1978-03-31 1984-08-04 日本ビクター株式会社 円盤記録媒体用切削針

Also Published As

Publication number Publication date
JPS56153545A (en) 1981-11-27
FR2479633B1 (fr) 1986-11-07
IT8120290A0 (it) 1981-03-11
GB2072927A (en) 1981-10-07
DE3110963A1 (de) 1982-01-07
AT374296B (de) 1984-04-10
ATA145581A (de) 1983-08-15
FR2479633A1 (fr) 1981-10-02

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