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
Authority: IT; Italy
Prior art keywords: point; sound detection; diamond; diamond point; sound
Prior art date: 1971-06-12

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.)

1971-06-12

Filing date

1972-06-12

Publication date

1973-10-10

1972-06-12 Application filed by Benz E filed Critical Benz E

1973-10-10 Application granted granted Critical

1973-10-10 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
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

1971
- 1971-06-12 CH CH860571A patent/CH554578A/xx not_active IP Right Cessation
1972
- 1972-05-01 US US00249687A patent/US3813101A/en not_active Expired - Lifetime
- 1972-05-02 DE DE2221428A patent/DE2221428C3/de not_active Expired
- 1972-05-10 FR FR7216761A patent/FR2141679B1/fr not_active Expired
- 1972-05-17 GB GB2319672A patent/GB1344227A/en not_active Expired
- 1972-05-17 NL NLAANVRAGE7206618,A patent/NL170570C/xx not_active IP Right Cessation
- 1972-06-12 IT IT25574/72A patent/IT956484B/it active
- 1972-06-12 BE BE784733A patent/BE784733A/xx unknown
- 1972-06-12 JP JP5774672A patent/JPS5551244B1/ja active Pending

Also Published As

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

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