BE347902A - - Google Patents
Info
- Publication number
- BE347902A BE347902A BE347902DA BE347902A BE 347902 A BE347902 A BE 347902A BE 347902D A BE347902D A BE 347902DA BE 347902 A BE347902 A BE 347902A
- Authority
- BE
- Belgium
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
- H04R11/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB90227A GB288713A (en) | 1927-01-11 | 1927-01-11 | Loud speakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE347902A true BE347902A (en:Method) |
Family
ID=9712481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347902D BE347902A (en:Method) | 1927-01-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE347902A (en:Method) |
| GB (1) | GB288713A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5886126B2 (ja) * | 2012-05-02 | 2016-03-16 | リオン株式会社 | イヤホンとそれを用いた聴取装置 |
-
0
- BE BE347902D patent/BE347902A/xx unknown
-
1927
- 1927-01-11 GB GB90227A patent/GB288713A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB288713A (en) | 1928-04-11 |