FR587676A - - Google Patents
Info
- Publication number
- FR587676A FR587676A FR587676DA FR587676A FR 587676 A FR587676 A FR 587676A FR 587676D A FR587676D A FR 587676DA FR 587676 A FR587676 A FR 587676A
- Authority
- FR
- France
- 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
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)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1874324A GB242350A (en) | 1924-08-06 | 1924-08-06 | Improvements in and relating to receivers particularly of the loud speaking type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR587676A true FR587676A (de) | 1925-04-22 |
Family
ID=10117626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR587676D Expired FR587676A (de) | 1924-08-06 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR587676A (de) |
| GB (2) | GB242350A (de) |
-
0
- FR FR587676D patent/FR587676A/fr not_active Expired
-
1924
- 1924-08-06 GB GB1874324A patent/GB242350A/en not_active Expired
- 1924-08-06 GB GB1874424A patent/GB242351A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB242351A (en) | 1925-11-06 |
| GB242350A (en) | 1925-11-06 |