DD151523A5 - Tonabnehmer mit beweglichem magneten und verfahren zu seiner herstellung - Google Patents
Tonabnehmer mit beweglichem magneten und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- DD151523A5 DD151523A5 DD80221938A DD22193880A DD151523A5 DD 151523 A5 DD151523 A5 DD 151523A5 DD 80221938 A DD80221938 A DD 80221938A DD 22193880 A DD22193880 A DD 22193880A DD 151523 A5 DD151523 A5 DD 151523A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- magnet
- diamond
- sapphire
- shape
- shaft
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims description 32
- 229910003460 diamond Inorganic materials 0.000 claims description 31
- 229910052594 sapphire Inorganic materials 0.000 claims description 28
- 239000010980 sapphire Substances 0.000 claims description 28
- 239000012815 thermoplastic material Substances 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000002557 mineral fiber Substances 0.000 claims description 5
- -1 polyphenylene Polymers 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 3
- 239000004698 Polyethylene Substances 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- 229920005992 thermoplastic resin Polymers 0.000 claims 2
- 229920000265 Polyparaphenylene Polymers 0.000 claims 1
- 241001422033 Thestylus Species 0.000 abstract 2
- 238000004026 adhesive bonding Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 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)
- 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)
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 |
|---|---|
| DD151523A5 true DD151523A5 (de) | 1981-10-21 |
Family
ID=9226989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD80221938A DD151523A5 (de) | 1979-06-22 | 1980-06-18 | Tonabnehmer mit beweglichem magneten und verfahren zu seiner herstellung |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS563407A (el) |
| AT (1) | AT376053B (el) |
| AU (1) | AU5952880A (el) |
| BE (1) | BE883934A (el) |
| BR (1) | BR8003835A (el) |
| CA (1) | CA1169781A (el) |
| CH (1) | CH637781A5 (el) |
| DD (1) | DD151523A5 (el) |
| DE (1) | DE3022208A1 (el) |
| DK (1) | DK264280A (el) |
| ES (1) | ES8200781A1 (el) |
| FI (1) | FI801980A (el) |
| FR (1) | FR2460020A1 (el) |
| GB (1) | GB2055011B (el) |
| GR (1) | GR68191B (el) |
| IL (1) | IL60313A (el) |
| IT (1) | IT1150991B (el) |
| MA (1) | MA18881A1 (el) |
| NL (1) | NL8003577A (el) |
| NO (1) | NO801787L (el) |
| OA (1) | OA06547A (el) |
| PT (1) | PT71356A (el) |
| SE (1) | SE8004202L (el) |
| YU (1) | YU160380A (el) |
Families Citing this family (6)
| 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 (el) * | 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)
| 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 GR GR62141A patent/GR68191B/el unknown
- 1980-06-06 PT PT71356A patent/PT71356A/pt 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 OA OA57132A patent/OA06547A/xx unknown
- 1980-06-18 YU YU01603/80A patent/YU160380A/xx unknown
- 1980-06-18 DD DD80221938A patent/DD151523A5/de unknown
- 1980-06-19 FI FI801980A patent/FI801980A/fi not_active Application Discontinuation
- 1980-06-19 BR BR8003835A patent/BR8003835A/pt unknown
- 1980-06-20 IT IT22907/80A patent/IT1150991B/it active
- 1980-06-20 ES ES492665A patent/ES8200781A1/es not_active Expired
- 1980-06-20 CH CH476680A patent/CH637781A5/fr not_active IP Right Cessation
- 1980-06-20 CA CA000354701A patent/CA1169781A/en not_active Expired
- 1980-06-20 NL NL8003577A patent/NL8003577A/nl not_active Application Discontinuation
- 1980-06-20 DK DK264280A patent/DK264280A/da not_active Application Discontinuation
- 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 GB GB8020351A patent/GB2055011B/en not_active Expired
- 1980-06-23 AU AU59528/80A patent/AU5952880A/en not_active Abandoned
- 1980-06-23 AT AT0327680A patent/AT376053B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT376053B (de) | 1984-10-10 |
| YU160380A (en) | 1983-02-28 |
| GR68191B (el) | 1981-11-09 |
| IL60313A (en) | 1983-09-30 |
| IT8022907A0 (it) | 1980-06-20 |
| FR2460020B1 (el) | 1983-11-18 |
| DE3022208A1 (de) | 1981-02-12 |
| GB2055011A (en) | 1981-02-18 |
| IL60313A0 (en) | 1980-09-16 |
| OA06547A (fr) | 1981-07-31 |
| 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 |
| IT1150991B (it) | 1986-12-17 |
| 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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