IT956484B - Puntina per la rilevazione sonora con una punta di diamante - Google Patents

Puntina per la rilevazione sonora con una punta di diamante

Info

Publication number
IT956484B
IT956484B IT25574/72A IT2557472A IT956484B IT 956484 B IT956484 B IT 956484B IT 25574/72 A IT25574/72 A IT 25574/72A IT 2557472 A IT2557472 A IT 2557472A IT 956484 B IT956484 B IT 956484B
Authority
IT
Italy
Prior art keywords
point
sound detection
diamond
diamond point
sound
Prior art date
Application number
IT25574/72A
Other languages
English (en)
Original Assignee
Benz E
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 Benz E filed Critical Benz E
Application granted granted Critical
Publication of IT956484B publication Critical patent/IT956484B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
IT25574/72A 1971-06-12 1972-06-12 Puntina per la rilevazione sonora con una punta di diamante IT956484B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH860571A CH554578A (de) 1971-06-12 1971-06-12 Tonabnehmer-nadel.

Publications (1)

Publication Number Publication Date
IT956484B true IT956484B (it) 1973-10-10

Family

ID=4342531

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25574/72A IT956484B (it) 1971-06-12 1972-06-12 Puntina per la rilevazione sonora con una punta di diamante

Country Status (9)

Country Link
US (1) US3813101A (it)
JP (1) JPS5551244B1 (it)
BE (1) BE784733A (it)
CH (1) CH554578A (it)
DE (1) DE2221428C3 (it)
FR (1) FR2141679B1 (it)
GB (1) GB1344227A (it)
IT (1) IT956484B (it)
NL (1) NL170570C (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105213A (en) * 1975-10-15 1978-08-08 Victor Company Of Japan, Ltd. Device for cutting a sound groove on a disc recording medium
EP0020843A1 (de) * 1979-06-22 1981-01-07 Diamond S.A. Abtastnadel für Schallplatten
AT365800B (de) * 1979-10-12 1982-02-10 Akg Akustische Kino Geraete Herstellverfahren fuer eine nadel eines tonabnehmers
JPS5798143A (en) * 1980-12-05 1982-06-18 Victor Co Of Japan Ltd Base body of detection type for variation in electrostatic capacity value
USD882653S1 (en) * 2015-07-06 2020-04-28 Sumitomo Electric Hardmetal Corp. Drilling tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1110428A (en) * 1910-03-23 1914-09-15 New Jersey Patent Co Process of forming phonograph-styli.
BE345853A (it) * 1926-10-02
US2564136A (en) * 1943-03-04 1951-08-14 Hartford Nat Bank & Trust Co Corundum crystal recording or reproducing member
US2659181A (en) * 1947-01-30 1953-11-17 Union Carbide & Carbon Corp Process of and apparatus for forming styluslike articles from corundum or spinel
US2992007A (en) * 1957-12-27 1961-07-11 Gen Electric Phonograph stylus
US2960759A (en) * 1957-12-27 1960-11-22 Gen Electric Methods of manufacturing phonograph styli
US3271036A (en) * 1963-05-06 1966-09-06 Paul L Kuzmick Phonograph stylus and method of making same

Also Published As

Publication number Publication date
US3813101A (en) 1974-05-28
GB1344227A (en) 1974-01-16
DE2221428C3 (de) 1975-04-30
FR2141679A1 (it) 1973-01-26
JPS5551244B1 (it) 1980-12-23
FR2141679B1 (it) 1978-09-08
BE784733A (fr) 1972-12-12
NL170570C (nl) 1982-11-16
DE2221428B2 (de) 1974-09-05
CH554578A (de) 1974-09-30
NL170570B (nl) 1982-06-16
NL7206618A (it) 1972-12-14
DE2221428A1 (de) 1972-12-21

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