GB269561A - Improvements in loud speakers and telephone receivers - Google Patents
Improvements in loud speakers and telephone receiversInfo
- Publication number
- GB269561A GB269561A GB10111/27A GB1011127A GB269561A GB 269561 A GB269561 A GB 269561A GB 10111/27 A GB10111/27 A GB 10111/27A GB 1011127 A GB1011127 A GB 1011127A GB 269561 A GB269561 A GB 269561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reed
- flux
- coils
- coil
- pole
- 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
- 235000014676 Phragmites communis Nutrition 0.000 abstract 9
- 230000004907 flux Effects 0.000 abstract 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 239000010959 steel 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 |
|---|---|---|---|
| DE269561X | 1926-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB269561A true GB269561A (en) | 1928-02-09 |
Family
ID=5997948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10111/27A Expired GB269561A (en) | 1926-04-19 | 1927-04-13 | Improvements in loud speakers and telephone receivers |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE341630A (enrdf_load_stackoverflow) |
| FR (1) | FR632295A (enrdf_load_stackoverflow) |
| GB (1) | GB269561A (enrdf_load_stackoverflow) |
-
0
- BE BE341630D patent/BE341630A/xx unknown
-
1927
- 1927-04-06 FR FR632295D patent/FR632295A/fr not_active Expired
- 1927-04-13 GB GB10111/27A patent/GB269561A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE341630A (enrdf_load_stackoverflow) | |
| FR632295A (fr) | 1928-01-06 |
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