NL8003577A - Naald voor een magnetische leeskop voorzien van een bewegende magneet. - Google Patents

Naald voor een magnetische leeskop voorzien van een bewegende magneet. Download PDF

Info

Publication number
NL8003577A
NL8003577A NL8003577A NL8003577A NL8003577A NL 8003577 A NL8003577 A NL 8003577A NL 8003577 A NL8003577 A NL 8003577A NL 8003577 A NL8003577 A NL 8003577A NL 8003577 A NL8003577 A NL 8003577A
Authority
NL
Netherlands
Prior art keywords
magnet
needle
diamond
sapphire
reading head
Prior art date
Application number
NL8003577A
Other languages
English (en)
Dutch (nl)
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 NL8003577A publication Critical patent/NL8003577A/nl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/16Mounting or connecting stylus to transducer with or without damping means
    • H04R1/18Holders for styli; Mounting holders on transducers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44Styli, e.g. sapphire, diamond
    • G11B3/46Constructions 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)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Sewing Machines And Sewing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Toys (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
NL8003577A 1979-06-22 1980-06-20 Naald voor een magnetische leeskop voorzien van een bewegende magneet. NL8003577A (nl)

Applications Claiming Priority (2)

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
FR7916095 1979-06-22

Publications (1)

Publication Number Publication Date
NL8003577A true NL8003577A (nl) 1980-12-24

Family

ID=9226989

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8003577A NL8003577A (nl) 1979-06-22 1980-06-20 Naald voor een magnetische leeskop voorzien van een bewegende magneet.

Country Status (24)

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

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 (fr) * 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
CN103429422B (zh) 2011-01-12 2016-08-31 小利兰斯坦福大学理事会 复合叠层结构及其制造和使用方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL182515C (nl) * 1973-07-09 1988-03-16 Sony Corp Naalddrager voor een groeftaster.

Also Published As

Publication number Publication date
BR8003835A (pt) 1981-01-13
DE3022208A1 (de) 1981-02-12
GB2055011B (en) 1984-01-04
DK264280A (da) 1980-12-23
PT71356A (fr) 1980-07-01
AT376053B (de) 1984-10-10
JPS563407A (en) 1981-01-14
OA06547A (fr) 1981-07-31
CH637781A5 (fr) 1983-08-15
YU160380A (en) 1983-02-28
CA1169781A (fr) 1984-06-26
FR2460020B1 (fr) 1983-11-18
AU5952880A (en) 1981-01-08
IL60313A0 (en) 1980-09-16
GB2055011A (en) 1981-02-18
FR2460020A1 (fr) 1981-01-16
NO801787L (no) 1981-03-03
MA18881A1 (fr) 1980-12-31
IL60313A (en) 1983-09-30
IT8022907A0 (it) 1980-06-20
ES8200781A1 (es) 1981-11-16
IT1150991B (it) 1986-12-17
FI801980A (fi) 1980-12-23
DD151523A5 (de) 1981-10-21
GR68191B (fr) 1981-11-09
ES492665A0 (es) 1981-11-16
BE883934A (fr) 1980-10-16
SE8004202L (sv) 1980-12-23
ATA327680A (de) 1984-02-15

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed