FR2498517B2 - NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET - Google Patents

NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET

Info

Publication number: FR2498517B2
Authority: FR; France
Prior art keywords: needles; reading head; magnetic reading; mobile magnet; magnet
Prior art date: 1981-01-23
Legal status (The legal status 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 status listed.): Expired

Application number

FR8101254A

Other languages

French (fr)

Other versions

FR2498517A2 (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ZAFIRA FRANCE

Original Assignee

ZAFIRA FRANCE

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.)

1981-01-23

Filing date

1981-01-23

Publication date

1986-11-07

1981-01-23 Application filed by ZAFIRA FRANCE filed Critical ZAFIRA FRANCE

1981-01-23 Priority to FR8101254A priority Critical patent/FR2498517B2/en

1982-01-20 Priority to CH34082A priority patent/CH645843A5/en

1982-01-22 Priority to NL8200240A priority patent/NL8200240A/en

1982-01-22 Priority to ES509011A priority patent/ES509011A0/en

1982-01-22 Priority to DE19823201945 priority patent/DE3201945A1/en

1982-01-23 Priority to JP57009418A priority patent/JPS57206199A/en

1982-01-25 Priority to IT19269/82A priority patent/IT1190670B/en

1982-01-25 Priority to GB8202018A priority patent/GB2091972B/en

1982-07-30 Publication of FR2498517A2 publication Critical patent/FR2498517A2/en

1986-11-07 Application granted granted Critical

1986-11-07 Publication of FR2498517B2 publication Critical patent/FR2498517B2/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
- H04R1/18—Holders for styli; Mounting holders on transducers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Infusion, Injection, And Reservoir Apparatuses (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Injection Moulding Of Plastics Or The Like (AREA)

FR8101254A 1979-06-22 1981-01-23 NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET Expired FR2498517B2 (en)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
FR8101254A FR2498517B2 (en)	1981-01-23	1981-01-23	NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET
CH34082A CH645843A5 (en)	1981-01-23	1982-01-20	PROCESS FOR PRODUCING BY MOLDING A MAGNETIC READING NEEDLE WITH A MOBILE MAGNET AND NEEDLE CARRIED OUT ACCORDING TO THIS PROCESS.
ES509011A ES509011A0 (en)	1979-06-22	1982-01-22	IMPROVEMENTS INTRODUCED IN THE PURPOSE OF MAIN PATENT NO. 492.665 BY: PROCEDURE FOR THE MANUFACTURE OF NEEDLES FOR THE MAGNETIC READING HEAD OF MOBILE MAGNET.
DE19823201945 DE3201945A1 (en)	1981-01-23	1982-01-22	METHOD FOR PRODUCING A MAGNETIC PICKUP SYSTEM AND CARTRIDGE PRODUCED THEREFOR
NL8200240A NL8200240A (en)	1981-01-23	1982-01-22	METHOD FOR MANUFACTURING THROUGH A MAGNETIC READING NEEDLE WITH A MOVABLE MAGNET AND A NEEDLE MADE ACCORDING TO THIS METHOD
JP57009418A JPS57206199A (en)	1981-01-23	1982-01-23	Magnetic pickup
IT19269/82A IT1190670B (en)	1981-01-23	1982-01-25	PROCESS OF REALIZATION BY FORMING FROM THE PIECE, OF A MAGNETIC READING POINT WITH A MOBILE MAGNET AND A POINT OBTAINED BY SUCH PROCEDURE
GB8202018A GB2091972B (en)	1981-01-23	1982-01-25	Stylus assembly and process for making same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8101254A FR2498517B2 (en)	1981-01-23	1981-01-23	NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET

Publications (2)

Publication Number	Publication Date
FR2498517A2 FR2498517A2 (en)	1982-07-30
FR2498517B2 true FR2498517B2 (en)	1986-11-07

Family

ID=9254446

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8101254A Expired FR2498517B2 (en)	1979-06-22	1981-01-23	NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET

Country Status (7)

Country	Link
JP (1)	JPS57206199A (en)
CH (1)	CH645843A5 (en)
DE (1)	DE3201945A1 (en)
FR (1)	FR2498517B2 (en)
GB (1)	GB2091972B (en)
IT (1)	IT1190670B (en)
NL (1)	NL8200240A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2568711B1 (en) *	1984-07-31	1989-06-16	Zafira	PROCESS AND DEVICE FOR MANUFACTURING ELLIPTICAL READING DIAMONDS AND ELLIPTICAL DIAMONDS THUS OBTAINED

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2749131A (en) *	1951-10-02	1956-06-05	Cosmocord Ltd	Mechanical coupling devices
GB836114A (en) *	1955-05-09	1960-06-01	Cosmocord Ltd	Improvements in and relating to gramophone pickups
US2961244A (en) *	1955-11-14	1960-11-22	Gen Electric	Pickup stylus assembly
US2864897A (en) *	1958-02-17	1958-12-16	Hoffman Electronics Corp	Universal phonograph pickup head or the like
GB842510A (en) *	1958-03-13	1960-07-27	Cosmocord Ltd	Improvements in and relating to gramophone pickups
GB979860A (en) *	1959-11-20	1965-01-06	John Walton	Improvements in or relating to gramophone pick-ups
GB965271A (en) *	1961-04-14	1964-07-29	Decca Ltd	Improvements in or relating to gramophone pick-ups
US3482061A (en) *	1966-09-13	1969-12-02	Joseph F Grado	Stereophonograph cartridge
DE1988383U (en) *	1968-02-20	1968-06-27	Gerhard Wittgens	INJECTION OR PRESS FORM FOR THE PRODUCTION OF PLASTIC OBJECTS WITH MOLDED NUT.
JPS4929687U (en) *	1972-06-17	1974-03-14
NL182515C (en) *	1973-07-09	1988-03-16	Sony Corp	NEEDLE CARRIER FOR A GROOVE TABLE.
JPS5123290Y2 (en) *	1973-07-13	1976-06-15
JPS5123888A (en) *	1974-07-29	1976-02-26	Toshiaki Suzuki	KEIRYOKONKURIITOBANTANENSETSUDANKI
JPS5211203A (en) *	1975-07-17	1977-01-28	Ig Gijutsu Kenkyusho Kk	Refractory grain
JPS5534308A (en) *	1978-08-31	1980-03-10	Masa Iwazawa	Pick up arm device
FR2460020A1 (en) *	1979-06-22	1981-01-16	Zafira France	NEEDLES FOR MAGNETIC PLAYING HEAD WITH MOBILE MAGNET

1981
- 1981-01-23 FR FR8101254A patent/FR2498517B2/en not_active Expired
1982
- 1982-01-20 CH CH34082A patent/CH645843A5/en not_active IP Right Cessation
- 1982-01-22 NL NL8200240A patent/NL8200240A/en not_active Application Discontinuation
- 1982-01-22 DE DE19823201945 patent/DE3201945A1/en not_active Ceased
- 1982-01-23 JP JP57009418A patent/JPS57206199A/en active Pending
- 1982-01-25 IT IT19269/82A patent/IT1190670B/en active
- 1982-01-25 GB GB8202018A patent/GB2091972B/en not_active Expired

Also Published As

Publication number	Publication date
GB2091972A (en)	1982-08-04
DE3201945A1 (en)	1982-09-09
IT8219269A0 (en)	1982-01-25
GB2091972B (en)	1984-12-12
CH645843A5 (en)	1984-10-31
IT1190670B (en)	1988-02-24
NL8200240A (en)	1982-08-16
FR2498517A2 (en)	1982-07-30
JPS57206199A (en)	1982-12-17

Publication	Publication Date	Title
FR2521748B1 (en)	1986-01-17	ENCODER READER FOR MAGNETIC INFORMATION MEDIA
FR2539542B1 (en)	1994-04-29	MAGNETIC READING HEAD
JPS551698A (en)	1980-01-08	Magnetic reading head
DE3370392D1 (en)	1987-04-23	Magnetic read head
GB2002555B (en)	1982-03-24	Deskewing circuitry for magnetic tape reader
JPS5352410A (en)	1978-05-12	Magnetic reading head
DE2964566D1 (en)	1983-02-24	Magnetic read head
FR2328257A1 (en)	1977-05-13	MAGNETIC TAPE RECORDER READER
FR2646000B1 (en)	1995-07-21	STATIC MAGNETIC READING HEAD
GB2021837B (en)	1982-06-30	Read/write magnetic head with compound-foil
SE7714695L (en)	1978-06-28	MAGNETIC WRITING REGISTRATION HEAD
IT7920446U1 (en)	1980-07-09	LIFT WITH PERMANENT MAGNET HEADS
AT382037B (en)	1986-12-29	MAGNETIC RECORDING DEVICE
BE883934A (en)	1980-10-16	NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET
JPS5634135A (en)	1981-04-06	Magnetic record*reader
JPS53141544A (en)	1978-12-09	Device for reading magnetic information
FR2498517B2 (en)	1986-11-07	NEEDLES FOR MAGNETIC READING HEAD WITH MOBILE MAGNET
JPS5352409A (en)	1978-05-12	Magnetic reading head
JPS57123521A (en)	1982-08-02	Multi-track magnetic head
JPS52154607A (en)	1977-12-22	Magnetic recording media
KR850009656U (en)	1985-12-05	Vertical magnetized magnetic head
FR2512622B1 (en)	1986-06-27	MOBILE COIL TYPE PICK-UP HEAD
JPS52127308A (en)	1977-10-25	Magnetic recording media
JPS52141207A (en)	1977-11-25	Magnetic recording media
JPS52141206A (en)	1977-11-25	Magnetic recording media