IT1074704B - Perfezionamento nei bracci rivelatori per fonografi - Google Patents

Perfezionamento nei bracci rivelatori per fonografi

Info

Publication number: IT1074704B
Authority: IT; Italy
Prior art keywords: phonographers; improvement; detector arms; arms; detector
Prior art date: 1975-09-29

Application number

IT51442/76A

Other languages

English (en)

Original Assignee

Philips Nv

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.)

1975-09-29

Filing date

1976-09-24

Publication date

1985-04-20

1976-09-24 Application filed by Philips Nv filed Critical Philips Nv

1985-04-20 Application granted granted Critical

1985-04-20 Publication of IT1074704B publication Critical patent/IT1074704B/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
- G11B3/02—Arrangements of heads
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers

IT51442/76A 1975-09-29 1976-09-24 Perfezionamento nei bracci rivelatori per fonografi IT1074704B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7511413A NL7511413A (nl)	1975-09-29	1975-09-29	Toonarm.

Publications (1)

Publication Number	Publication Date
IT1074704B true IT1074704B (it)	1985-04-20

Family

ID=19824543

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT51442/76A IT1074704B (it)	1975-09-29	1976-09-24	Perfezionamento nei bracci rivelatori per fonografi

Country Status (10)

Country	Link
US (1)	US4143248A (it)
JP (1)	JPS5513780Y2 (it)
CA (1)	CA1061258A (it)
CH (1)	CH610133A5 (it)
DE (1)	DE2641604C3 (it)
ES (1)	ES451898A1 (it)
FR (1)	FR2326004A1 (it)
GB (1)	GB1565230A (it)
IT (1)	IT1074704B (it)
NL (1)	NL7511413A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5635930Y2 (it) *	1977-11-17	1981-08-24
US4257615A (en) *	1978-05-26	1981-03-24	Morch Hans H	Tone arm
DE2933435C2 (de) *	1978-08-18	1985-10-10	Pioneer Electronic Corp., Tokio/Tokyo	Rohrartiger Arm für Tonarme von Plattenspielern sowie Verfahren zur Herstellung des rohrartigen Armes
DE2933434C2 (de) *	1978-08-18	1985-10-10	Pioneer Electronic Corp., Tokio/Tokyo	Tonkopfgehäuse für Tonarme von Plattenspielern sowie Verfahren zur Herstellung der Tonkopfgehäuse
CS226073B1 (en) *	1982-04-21	1984-03-19	Jiri Janda	Dynamic vibration damper
JPS6272306U (it) *	1985-10-22	1987-05-09
JPH0418524Y2 (it) *	1986-10-23	1992-04-24
DE3706639A1 (de) *	1987-03-02	1988-09-15	Thomson Brandt Gmbh	Tonarm mit einem tonarmkopf
USD904393S1 (en) *	2018-12-28	2020-12-08	Sony Corporation	Disc player

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2476848A (en) *	1945-07-05	1949-07-19	Farnsworth Res Corp	Variable resistance phonograph pickup and system
US3556537A (en) *	1968-08-02	1971-01-19	Poly Choke Co Inc The	Tone arm
GB1339042A (en) *	1971-07-14	1973-11-28	Mettoy Co Ltd	Tonearm
NL181825C (nl) *	1973-07-09	1987-11-02	Sony Corp	Groeftasterarm en werkwijze voor de vervaardiging hiervan.
JPS5033602U (it) *	1973-07-21	1975-04-11

1975
- 1975-09-29 NL NL7511413A patent/NL7511413A/xx unknown
1976
- 1976-09-16 DE DE2641604A patent/DE2641604C3/de not_active Expired
- 1976-09-23 CA CA261,852A patent/CA1061258A/en not_active Expired
- 1976-09-24 US US05/726,174 patent/US4143248A/en not_active Expired - Lifetime
- 1976-09-24 IT IT51442/76A patent/IT1074704B/it active
- 1976-09-24 GB GB39791/76A patent/GB1565230A/en not_active Expired
- 1976-09-27 CH CH1220776A patent/CH610133A5/xx not_active IP Right Cessation
- 1976-09-27 ES ES451898A patent/ES451898A1/es not_active Expired
- 1976-09-28 JP JP1976129479U patent/JPS5513780Y2/ja not_active Expired
- 1976-09-29 FR FR7629231A patent/FR2326004A1/fr active Granted

Also Published As

Publication number	Publication date
CH610133A5 (it)	1979-03-30
FR2326004A1 (fr)	1977-04-22
JPS5248406U (it)	1977-04-06
DE2641604B2 (de)	1981-04-30
FR2326004B1 (it)	1981-10-09
DE2641604A1 (de)	1977-04-14
CA1061258A (en)	1979-08-28
GB1565230A (en)	1980-04-16
ES451898A1 (es)	1977-10-01
NL7511413A (nl)	1977-03-31
JPS5513780Y2 (it)	1980-03-28
DE2641604C3 (de)	1982-01-21
US4143248A (en)	1979-03-06

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