BE462813A - - Google Patents
Info
- Publication number
- BE462813A BE462813A BE462813DA BE462813A BE 462813 A BE462813 A BE 462813A BE 462813D A BE462813D A BE 462813DA BE 462813 A BE462813 A BE 462813A
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR909420T | 1945-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE462813A true BE462813A (en(2012)) |
Family
ID=9407954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE462813D BE462813A (en(2012)) | 1945-02-26 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE462813A (en(2012)) |
| FR (1) | FR909420A (en(2012)) |
-
0
- BE BE462813D patent/BE462813A/xx unknown
-
1945
- 1945-02-26 FR FR909420D patent/FR909420A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR909420A (fr) | 1946-05-08 |