BE784733A - SOUND READING NEEDLE - Google Patents

SOUND READING NEEDLE

Info

Publication number
BE784733A
BE784733A BE784733A BE784733A BE784733A BE 784733 A BE784733 A BE 784733A BE 784733 A BE784733 A BE 784733A BE 784733 A BE784733 A BE 784733A BE 784733 A BE784733 A BE 784733A
Authority
BE
Belgium
Prior art keywords
sound reading
reading needle
needle
sound
reading
Prior art date
Application number
BE784733A
Other languages
French (fr)
Original Assignee
Benz Ernst
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 Ernst filed Critical Benz Ernst
Publication of BE784733A publication Critical patent/BE784733A/en

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
BE784733A 1971-06-12 1972-06-12 SOUND READING NEEDLE BE784733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH860571A CH554578A (en) 1971-06-12 1971-06-12 CARTRIDGE NEEDLE.

Publications (1)

Publication Number Publication Date
BE784733A true BE784733A (en) 1972-12-12

Family

ID=4342531

Family Applications (1)

Application Number Title Priority Date Filing Date
BE784733A BE784733A (en) 1971-06-12 1972-06-12 SOUND READING NEEDLE

Country Status (9)

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

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 (en) * 1979-06-22 1981-01-07 Diamond S.A. Pick-up stylus for gramophone
AT365800B (en) * 1979-10-12 1982-02-10 Akg Akustische Kino Geraete MANUFACTURING METHOD FOR A NEEDLE OF A PICKUP
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 (en) * 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
US2960759A (en) * 1957-12-27 1960-11-22 Gen Electric Methods of manufacturing phonograph styli
US2992007A (en) * 1957-12-27 1961-07-11 Gen Electric Phonograph stylus
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
FR2141679B1 (en) 1978-09-08
NL170570C (en) 1982-11-16
DE2221428C3 (en) 1975-04-30
FR2141679A1 (en) 1973-01-26
DE2221428A1 (en) 1972-12-21
JPS5551244B1 (en) 1980-12-23
IT956484B (en) 1973-10-10
DE2221428B2 (en) 1974-09-05
NL170570B (en) 1982-06-16
US3813101A (en) 1974-05-28
CH554578A (en) 1974-09-30
GB1344227A (en) 1974-01-16
NL7206618A (en) 1972-12-14

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