IT1150991B - Aghi per testa di lettura magnetica a calamita mobile - Google Patents

Aghi per testa di lettura magnetica a calamita mobile

Info

Publication number
IT1150991B
IT1150991B IT22907/80A IT2290780A IT1150991B IT 1150991 B IT1150991 B IT 1150991B IT 22907/80 A IT22907/80 A IT 22907/80A IT 2290780 A IT2290780 A IT 2290780A IT 1150991 B IT1150991 B IT 1150991B
Authority
IT
Italy
Prior art keywords
needles
reading head
magnetic reading
mobile magnet
magnet
Prior art date
Application number
IT22907/80A
Other languages
English (en)
Italian (it)
Other versions
IT8022907A0 (it
Inventor
Charles Moransais
Original Assignee
Zafira France
Charles Moransais
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, Charles Moransais filed Critical Zafira France
Publication of IT8022907A0 publication Critical patent/IT8022907A0/it
Application granted granted Critical
Publication of IT1150991B publication Critical patent/IT1150991B/it

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)
IT22907/80A 1979-06-22 1980-06-20 Aghi per testa di lettura magnetica a calamita mobile IT1150991B (it)

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
IT8022907A0 IT8022907A0 (it) 1980-06-20
IT1150991B true IT1150991B (it) 1986-12-17

Family

ID=9226989

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22907/80A IT1150991B (it) 1979-06-22 1980-06-20 Aghi per testa di lettura magnetica a calamita mobile

Country Status (24)

Country Link
JP (1) JPS563407A (pt)
AT (1) AT376053B (pt)
AU (1) AU5952880A (pt)
BE (1) BE883934A (pt)
BR (1) BR8003835A (pt)
CA (1) CA1169781A (pt)
CH (1) CH637781A5 (pt)
DD (1) DD151523A5 (pt)
DE (1) DE3022208A1 (pt)
DK (1) DK264280A (pt)
ES (1) ES8200781A1 (pt)
FI (1) FI801980A (pt)
FR (1) FR2460020A1 (pt)
GB (1) GB2055011B (pt)
GR (1) GR68191B (pt)
IL (1) IL60313A (pt)
IT (1) IT1150991B (pt)
MA (1) MA18881A1 (pt)
NL (1) NL8003577A (pt)
NO (1) NO801787L (pt)
OA (1) OA06547A (pt)
PT (1) PT71356A (pt)
SE (1) SE8004202L (pt)
YU (1) YU160380A (pt)

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 (pt) * 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
BR112013017815B1 (pt) 2011-01-12 2020-05-12 Compagnie Chomarat Estruturas de compósito laminado e métodos para fabricar e usar as mesmas

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
AT376053B (de) 1984-10-10
YU160380A (en) 1983-02-28
GR68191B (pt) 1981-11-09
IL60313A (en) 1983-09-30
IT8022907A0 (it) 1980-06-20
FR2460020B1 (pt) 1983-11-18
DE3022208A1 (de) 1981-02-12
GB2055011A (en) 1981-02-18
IL60313A0 (en) 1980-09-16
OA06547A (fr) 1981-07-31
DD151523A5 (de) 1981-10-21
CH637781A5 (fr) 1983-08-15
SE8004202L (sv) 1980-12-23
NL8003577A (nl) 1980-12-24
BR8003835A (pt) 1981-01-13
DK264280A (da) 1980-12-23
NO801787L (no) 1981-03-03
FI801980A (fi) 1980-12-23
CA1169781A (en) 1984-06-26
ES492665A0 (es) 1981-11-16
AU5952880A (en) 1981-01-08
GB2055011B (en) 1984-01-04
MA18881A1 (fr) 1980-12-31
JPS563407A (en) 1981-01-14
BE883934A (fr) 1980-10-16
ES8200781A1 (es) 1981-11-16
FR2460020A1 (fr) 1981-01-16
PT71356A (fr) 1980-07-01
ATA327680A (de) 1984-02-15

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