GB355919A - Improvements in or relating to magnet systems for loud-speakers - Google Patents
Improvements in or relating to magnet systems for loud-speakersInfo
- Publication number
- GB355919A GB355919A GB23424/30A GB2342430A GB355919A GB 355919 A GB355919 A GB 355919A GB 23424/30 A GB23424/30 A GB 23424/30A GB 2342430 A GB2342430 A GB 2342430A GB 355919 A GB355919 A GB 355919A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loud
- armature
- yoke
- poles
- speakers
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 abstract 4
- 238000010276 construction Methods 0.000 abstract 2
- 229920001342 Bakelite® Polymers 0.000 abstract 1
- 239000004637 bakelite Substances 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (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 |
---|---|---|---|
NL355919X | 1929-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB355919A true GB355919A (en) | 1931-09-03 |
Family
ID=19785222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23424/30A Expired GB355919A (en) | 1929-09-27 | 1930-08-05 | Improvements in or relating to magnet systems for loud-speakers |
Country Status (4)
Country | Link |
---|---|
US (1) | US1961180A (enrdf_load_stackoverflow) |
BE (1) | BE372442A (enrdf_load_stackoverflow) |
FR (1) | FR700120A (enrdf_load_stackoverflow) |
GB (1) | GB355919A (enrdf_load_stackoverflow) |
-
0
- BE BE372442D patent/BE372442A/xx unknown
-
1930
- 1930-08-05 FR FR700120D patent/FR700120A/fr not_active Expired
- 1930-08-05 GB GB23424/30A patent/GB355919A/en not_active Expired
- 1930-09-12 US US481448A patent/US1961180A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1961180A (en) | 1934-06-05 |
FR700120A (fr) | 1931-02-24 |
BE372442A (enrdf_load_stackoverflow) |
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