SE351963B - - Google Patents
Info
- Publication number
- SE351963B SE351963B SE01836/69A SE183669A SE351963B SE 351963 B SE351963 B SE 351963B SE 01836/69 A SE01836/69 A SE 01836/69A SE 183669 A SE183669 A SE 183669A SE 351963 B SE351963 B SE 351963B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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 |
|---|---|---|---|
| US70462468A | 1968-02-12 | 1968-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE351963B true SE351963B (de) | 1972-12-11 |
Family
ID=24830257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE01836/69A SE351963B (de) | 1968-02-12 | 1969-02-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3478289A (de) |
| CH (1) | CH501300A (de) |
| DE (1) | DE1905973A1 (de) |
| FR (1) | FR2001766A1 (de) |
| GB (1) | GB1203745A (de) |
| NL (1) | NL6902163A (de) |
| SE (1) | SE351963B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834304A (en) * | 1970-05-21 | 1974-09-10 | Potter Instrument Co Inc | Helical bar printer and hammer therefor |
| JPS5433041Y2 (de) * | 1977-12-08 | 1979-10-12 | ||
| US5367277A (en) * | 1991-07-25 | 1994-11-22 | Nippon Steel Corporation | Electromagnetic energy converter |
| NO975614A (no) * | 1997-12-04 | 1999-04-26 | Seas Fabrikker As | Permanentmagnetmontasje |
| US20060251286A1 (en) * | 2005-04-13 | 2006-11-09 | Stiles Enrique M | Multi-gap air return motor for electromagnetic transducer |
| US20070160257A1 (en) * | 2005-04-13 | 2007-07-12 | Stiles Enrique M | Axial magnet assisted radial magnet air return motor for electromagnetic transducer |
| GB2492360A (en) * | 2011-06-29 | 2013-01-02 | Gp Acoustics Internat Ltd | Permanent rare-earth magnet assembly for a loudspeaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE556726A (de) * | 1956-04-18 | |||
| NL232314A (de) * | 1958-10-15 |
-
1968
- 1968-02-12 US US704624A patent/US3478289A/en not_active Expired - Lifetime
-
1969
- 1969-01-15 GB GB2301/69A patent/GB1203745A/en not_active Expired
- 1969-02-06 DE DE19691905973 patent/DE1905973A1/de active Pending
- 1969-02-11 SE SE01836/69A patent/SE351963B/xx unknown
- 1969-02-12 CH CH212969A patent/CH501300A/de not_active IP Right Cessation
- 1969-02-12 NL NL6902163A patent/NL6902163A/xx unknown
- 1969-02-12 FR FR6903331A patent/FR2001766A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2001766A1 (de) | 1969-10-03 |
| CH501300A (de) | 1970-12-31 |
| DE1905973A1 (de) | 1970-01-02 |
| NL6902163A (de) | 1969-08-14 |
| US3478289A (en) | 1969-11-11 |
| GB1203745A (en) | 1970-09-03 |