NO122194B - - Google Patents
Download PDFInfo
- Publication number
- NO122194B NO122194B NO108170A NO108170A NO122194B NO 122194 B NO122194 B NO 122194B NO 108170 A NO108170 A NO 108170A NO 108170 A NO108170 A NO 108170A NO 122194 B NO122194 B NO 122194B
- Authority
- NO
- Norway
- Prior art keywords
- alloyed
- parts
- ferritic steel
- top plate
- soft iron
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 description 6
- 230000005291 magnetic effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005415 magnetization 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691928638 DE1928638C3 (de) | 1969-06-06 | 1969-06-06 | Dauermagnetsystem für Lautsprecher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO122194B true NO122194B (xx) | 1971-06-01 |
Family
ID=5736157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO108170A NO122194B (xx) | 1969-06-06 | 1970-03-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE750585A (xx) |
| DE (1) | DE1928638C3 (xx) |
| ES (1) | ES377796A1 (xx) |
| FR (1) | FR2045870A7 (xx) |
| NL (1) | NL7007916A (xx) |
| NO (1) | NO122194B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010047057A1 (de) * | 2010-10-05 | 2012-04-05 | Mathias Eß | Fixiervorrichtung für Lebensmittel, Lebensmittel und Anordnung |
-
1969
- 1969-06-06 DE DE19691928638 patent/DE1928638C3/de not_active Expired
-
1970
- 1970-03-21 ES ES377796A patent/ES377796A1/es not_active Expired
- 1970-03-23 NO NO108170A patent/NO122194B/no unknown
- 1970-05-14 FR FR7017572A patent/FR2045870A7/fr not_active Expired
- 1970-05-19 BE BE750585D patent/BE750585A/xx unknown
- 1970-06-01 NL NL7007916A patent/NL7007916A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE750585A (fr) | 1970-11-03 |
| NL7007916A (xx) | 1970-12-08 |
| FR2045870A7 (en) | 1971-03-05 |
| ES377796A1 (es) | 1972-05-16 |
| FR2045870B3 (xx) | 1973-03-16 |
| DE1928638A1 (de) | 1970-12-10 |
| DE1928638B2 (de) | 1974-02-21 |
| DE1928638C3 (de) | 1974-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5390257A (en) | Light-weight speaker system | |
| GB1480134A (en) | Electric inductors | |
| GB926277A (en) | Full range electroacoustic transducers | |
| ES409986A1 (es) | Mejoras en los transductores electroacusticos. | |
| US3922501A (en) | Moving voice coil electro-acoustic converter with laminated magnetically anisotropic poles | |
| US3867587A (en) | Magnetic circuit for an electro-acoustic converter | |
| US3665352A (en) | Permanent magnet system for a loudspeaker | |
| GB1460744A (en) | Loud speakers of the moving coil type | |
| US3763334A (en) | Magnet assembly | |
| NO122194B (xx) | ||
| GB535593A (en) | Improvements in or relating to dial mechanisms for automatic telephony | |
| AU3194199A (en) | Shorting rings in dual-coil dual-gap loudspeaker drivers | |
| US3129298A (en) | Electro-dynamic conical loudspeaker | |
| GB1054470A (xx) | ||
| GB1159081A (en) | A Magnetic System for a Moving-Coil Transducer. | |
| GB1041288A (en) | Electro-magnetic chucks | |
| GB1535938A (en) | Electromagnetic transducers | |
| JPS579197A (en) | Speaker | |
| GB1164307A (en) | Magnets. | |
| GB888632A (en) | Improvements in or relating to arrangements for the storage and transmission of signals | |
| GB1131398A (en) | Improvements in or relating to electrodynamic transducers | |
| JPS567593A (en) | Magnetic circuit for flat diaphragm speaker | |
| GB824469A (en) | Telephone sub-station including pre-setting means for multiple symbol combinations | |
| GB1336481A (en) | Method of magnetizing a permanent magnet assembly and a per manent magnet assembly when prepared by the method | |
| JPS5244627A (en) | Magnet core type speaker |