CH637781A5 - Procede de fabrication d'une aiguille de lecture et aiguille pour tete de lecture a aimant mobile. - Google Patents

Procede de fabrication d'une aiguille de lecture et aiguille pour tete de lecture a aimant mobile. Download PDF

Info

Publication number: CH637781A5
Authority: CH; Switzerland
Prior art keywords: magnet; rod; needle; overmolded; base
Prior art date: 1979-06-22

Application number

CH476680A

Other languages

English (en)

French (fr)

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.)

1979-06-22

Filing date

1980-06-20

Publication date

1983-08-15

1980-06-20 Application filed by Zafira France, Charles Moransais filed Critical Zafira France

1983-08-15 Publication of CH637781A5 publication Critical patent/CH637781A5/fr

Links

238000000034 method Methods 0.000 title claims description 13
238000004519 manufacturing process Methods 0.000 title claims description 6
VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
229910003460 diamond Inorganic materials 0.000 claims description 16
239000010432 diamond Substances 0.000 claims description 16
229910052594 sapphire Inorganic materials 0.000 claims description 13
239000010980 sapphire Substances 0.000 claims description 13
238000002788 crimping Methods 0.000 claims description 6
238000013016 damping Methods 0.000 claims description 6
229920005992 thermoplastic resin Polymers 0.000 claims description 3
239000004721 Polyphenylene oxide Substances 0.000 claims description 2
230000010355 oscillation Effects 0.000 claims description 2
239000004033 plastic Substances 0.000 claims description 2
229920003023 plastic Polymers 0.000 claims description 2
-1 polyethylene tetraphthalate Polymers 0.000 claims description 2
229920006380 polyphenylene oxide Polymers 0.000 claims description 2
238000002347 injection Methods 0.000 claims 2
239000007924 injection Substances 0.000 claims 2
239000000088 plastic resin Substances 0.000 claims 2
229920005989 resin Polymers 0.000 description 4
239000011347 resin Substances 0.000 description 4
238000000465 moulding Methods 0.000 description 3
229920000049 Carbon (fiber) Polymers 0.000 description 2
239000004917 carbon fiber Substances 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
239000003365 glass fiber Substances 0.000 description 2
238000003754 machining Methods 0.000 description 2
238000004026 adhesive bonding Methods 0.000 description 1
238000005452 bending Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000002557 mineral fiber Substances 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
238000009941 weaving Methods 0.000 description 1

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)
Sewing Machines And Sewing (AREA)
Permanent Field Magnets Of Synchronous Machinery (AREA)
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Toys (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Infusion, Injection, And Reservoir Apparatuses (AREA)

CH476680A 1979-06-22 1980-06-20 Procede de fabrication d'une aiguille de lecture et aiguille pour tete de lecture a aimant mobile. CH637781A5 (fr)

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 (1)

Publication Number	Publication Date
CH637781A5 true CH637781A5 (fr)	1983-08-15

Family

ID=9226989

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH476680A CH637781A5 (fr)	1979-06-22	1980-06-20	Procede de fabrication d'une aiguille de lecture et aiguille pour tete de lecture a aimant mobile.

Country Status (24)

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

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 (de) *	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
ES2680620T3 (es)	2011-01-12	2018-09-10	Companie Chomarat	Estructuras laminadas de material compuesto y métodos de fabricación y uso de las mismas

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.

1979
- 1979-06-22 FR FR7916095A patent/FR2460020A1/fr active Granted
- 1979-11-05 JP JP14317179A patent/JPS563407A/ja active Pending
1980
- 1980-06-05 SE SE8004202A patent/SE8004202L/ not_active Application Discontinuation
- 1980-06-06 PT PT71356A patent/PT71356A/pt unknown
- 1980-06-06 GR GR62141A patent/GR68191B/el unknown
- 1980-06-13 DE DE19803022208 patent/DE3022208A1/de not_active Withdrawn
- 1980-06-15 IL IL60313A patent/IL60313A/xx unknown
- 1980-06-17 NO NO801787A patent/NO801787L/no unknown
- 1980-06-18 DD DD80221938A patent/DD151523A5/de unknown
- 1980-06-18 OA OA57132A patent/OA06547A/xx unknown
- 1980-06-18 YU YU01603/80A patent/YU160380A/xx unknown
- 1980-06-19 BR BR8003835A patent/BR8003835A/pt unknown
- 1980-06-19 FI FI801980A patent/FI801980A/fi not_active Application Discontinuation
- 1980-06-20 CA CA000354701A patent/CA1169781A/en not_active Expired
- 1980-06-20 BE BE0/201116A patent/BE883934A/fr not_active IP Right Cessation
- 1980-06-20 MA MA19079A patent/MA18881A1/fr unknown
- 1980-06-20 DK DK264280A patent/DK264280A/da not_active Application Discontinuation
- 1980-06-20 ES ES492665A patent/ES8200781A1/es not_active Expired
- 1980-06-20 IT IT22907/80A patent/IT1150991B/it active
- 1980-06-20 NL NL8003577A patent/NL8003577A/nl not_active Application Discontinuation
- 1980-06-20 CH CH476680A patent/CH637781A5/fr not_active IP Right Cessation
- 1980-06-20 GB GB8020351A patent/GB2055011B/en not_active Expired
- 1980-06-23 AT AT0327680A patent/AT376053B/de not_active IP Right Cessation
- 1980-06-23 AU AU59528/80A patent/AU5952880A/en not_active Abandoned

Also Published As

Publication number	Publication date
DK264280A (da)	1980-12-23
BR8003835A (pt)	1981-01-13
GB2055011B (en)	1984-01-04
IT1150991B (it)	1986-12-17
NL8003577A (nl)	1980-12-24
NO801787L (no)	1981-03-03
MA18881A1 (fr)	1980-12-31
OA06547A (fr)	1981-07-31
GR68191B (de)	1981-11-09
JPS563407A (en)	1981-01-14
BE883934A (fr)	1980-10-16
FR2460020B1 (de)	1983-11-18
FR2460020A1 (fr)	1981-01-16
PT71356A (fr)	1980-07-01
ATA327680A (de)	1984-02-15
DD151523A5 (de)	1981-10-21
CA1169781A (en)	1984-06-26
AT376053B (de)	1984-10-10
YU160380A (en)	1983-02-28
SE8004202L (sv)	1980-12-23
ES492665A0 (es)	1981-11-16
IL60313A (en)	1983-09-30
IT8022907A0 (it)	1980-06-20
ES8200781A1 (es)	1981-11-16
IL60313A0 (en)	1980-09-16
AU5952880A (en)	1981-01-08
FI801980A (fi)	1980-12-23
DE3022208A1 (de)	1981-02-12
GB2055011A (en)	1981-02-18

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Legal Events

Date	Code	Title	Description
1991-02-28	PL	Patent ceased