ES8200781A1 - Procedimiento para la fabricacion de agujas para cabeza de lectura magnetica de iman movil - Google Patents

Procedimiento para la fabricacion de agujas para cabeza de lectura magnetica de iman movil

Info

Publication number
ES8200781A1
ES8200781A1 ES492665A ES492665A ES8200781A1 ES 8200781 A1 ES8200781 A1 ES 8200781A1 ES 492665 A ES492665 A ES 492665A ES 492665 A ES492665 A ES 492665A ES 8200781 A1 ES8200781 A1 ES 8200781A1
Authority
ES
Spain
Prior art keywords
cantilever
magnet
free space
stylus
stylus assembly
Prior art date
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
ES492665A
Other languages
English (en)
Other versions
ES492665A0 (es
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.)
Filing date
Publication date
Application filed by ZAFIRA FRANCE filed Critical ZAFIRA FRANCE
Publication of ES8200781A1 publication Critical patent/ES8200781A1/es
Publication of ES492665A0 publication Critical patent/ES492665A0/es
Priority to ES509011A priority Critical patent/ES509011A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Sewing Machines And Sewing (AREA)
  • Toys (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PROCEDIMIENTO DE FABRICACION DE AGUJAS PARA CABEZA DE LECTURA MAGNETICA DE IMAN MOVIL. CONSTA DE LAS SIGUIENTES OPERACIONES: 1 REALIZACION DE UN MOLDE DE UNA IMPRESION CORRESPONDIENTE A LA FORMA DEESEADA PARA EL VASTAGO. 2 REALIZACION DE UNA CAVIDAD EN EL EXTREMO DE LA IMPRESION, DESTINADA A RECIBIR EL IMAN, CUYO EXTREMO EN UNA ZONA SITUADA CERCA DEL VASTAGO ESTA SENSIBLEMENTE ENSANCHADO, CORRESPONDIENDO EL OTRO EXTREMO A LAS DIMENSIONES DEL IMAN. 3 COLOCACION DEL IMAN EN SU ALOJAMIENTO. 4 INYECCION EN EL CONJUNTO DE LA CAVIDAD DE UNA RESINA TERMOPLASTICA QUE LLENA LA IMPRESION CORRESPONDIENTE AL VASTAGO Y REALIZANDO UN SOBREMOLDEADO PARCIAL DEL IMAN. 5 DESMOLDEADO DE LA AGUJA OBTENIDA.
ES492665A 1979-06-22 1980-06-20 Procedimiento para la fabricacion de agujas para cabeza de lectura magnetica de iman movil Granted ES492665A0 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES509011A ES509011A0 (es) 1979-06-22 1982-01-22 Mejoras introducidas en el objeto de la patente principal no. 492.665 por: procedimiento para la fabricacion de agujas para cabeza de lactura magnetica de iman movil.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7916095A FR2460020A1 (fr) 1979-06-22 1979-06-22 Aiguilles pour tete de lecture magnetique a aimant mobile

Publications (2)

Publication Number Publication Date
ES8200781A1 true ES8200781A1 (es) 1981-11-16
ES492665A0 ES492665A0 (es) 1981-11-16

Family

ID=9226989

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492665A Granted ES492665A0 (es) 1979-06-22 1980-06-20 Procedimiento para la fabricacion de agujas para cabeza de lectura magnetica de iman movil

Country Status (24)

Country Link
JP (1) JPS563407A (es)
AT (1) AT376053B (es)
AU (1) AU5952880A (es)
BE (1) BE883934A (es)
BR (1) BR8003835A (es)
CA (1) CA1169781A (es)
CH (1) CH637781A5 (es)
DD (1) DD151523A5 (es)
DE (1) DE3022208A1 (es)
DK (1) DK264280A (es)
ES (1) ES492665A0 (es)
FI (1) FI801980A (es)
FR (1) FR2460020A1 (es)
GB (1) GB2055011B (es)
GR (1) GR68191B (es)
IL (1) IL60313A (es)
IT (1) IT1150991B (es)
MA (1) MA18881A1 (es)
NL (1) NL8003577A (es)
NO (1) NO801787L (es)
OA (1) OA06547A (es)
PT (1) PT71356A (es)
SE (1) SE8004202L (es)
YU (1) YU160380A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498517B2 (fr) * 1981-01-23 1986-11-07 Zafira France Aiguilles pour tete de lecture magnetique a aimant mobile
JPS5678671A (en) * 1979-12-03 1981-06-27 Nippon Steel Corp Treatment for making waste containing heavy metal unharmful
JPS56167009U (es) * 1980-05-10 1981-12-10
GB2120446A (en) * 1982-04-08 1983-11-30 Rca Corp Holding apparatus for a disc record signal pickup stylus
FR2568711B1 (fr) * 1984-07-31 1989-06-16 Zafira Procede et dispositif pour la fabrication de diamants de lecture elliptiques et diamants elliptiques ainsi obtenus
CA2988760A1 (en) 2011-01-12 2012-07-19 The Board Of Trustees Of The Leland Stanford Junior University Composite laminated structures and methods for manufacturing and using the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918723A (en) * 1973-07-09 1975-11-11 Sony Corp Cantilever for use with pickup cartridge

Also Published As

Publication number Publication date
YU160380A (en) 1983-02-28
CH637781A5 (fr) 1983-08-15
SE8004202L (sv) 1980-12-23
BR8003835A (pt) 1981-01-13
AT376053B (de) 1984-10-10
NO801787L (no) 1981-03-03
DK264280A (da) 1980-12-23
GR68191B (es) 1981-11-09
PT71356A (fr) 1980-07-01
MA18881A1 (fr) 1980-12-31
FI801980A (fi) 1980-12-23
NL8003577A (nl) 1980-12-24
FR2460020A1 (fr) 1981-01-16
DE3022208A1 (de) 1981-02-12
IL60313A (en) 1983-09-30
IT8022907A0 (it) 1980-06-20
FR2460020B1 (es) 1983-11-18
GB2055011A (en) 1981-02-18
IL60313A0 (en) 1980-09-16
IT1150991B (it) 1986-12-17
JPS563407A (en) 1981-01-14
CA1169781A (en) 1984-06-26
BE883934A (fr) 1980-10-16
ATA327680A (de) 1984-02-15
ES492665A0 (es) 1981-11-16
DD151523A5 (de) 1981-10-21
GB2055011B (en) 1984-01-04
AU5952880A (en) 1981-01-08
OA06547A (fr) 1981-07-31

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