BE356974A - - Google Patents
Info
- Publication number
- BE356974A BE356974A BE356974DA BE356974A BE 356974 A BE356974 A BE 356974A BE 356974D A BE356974D A BE 356974DA BE 356974 A BE356974 A BE 356974A
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Dc Machiner (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1786583X | 1927-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE356974A true BE356974A (fr) |
Family
ID=10890620
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356974D BE356974A (fr) | 1927-04-01 | ||
| BE349486D BE349486A (fr) | 1927-04-01 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE349486D BE349486A (fr) | 1927-04-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US1786583A (fr) |
| BE (2) | BE349486A (fr) |
| DE (1) | DE578221C (fr) |
| FR (2) | FR652167A (fr) |
| GB (2) | GB293131A (fr) |
| NL (1) | NL24821C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2963073B1 (fr) | 2010-07-22 | 2012-08-03 | Peugeot Citroen Automobiles Sa | Procede de reduction de la consommation de carburant d'un moteur thermique equipant un vehicule et vehicule associe |
-
0
- NL NL24821D patent/NL24821C/xx active
- BE BE356974D patent/BE356974A/xx unknown
- BE BE349486D patent/BE349486A/xx unknown
-
1927
- 1927-04-01 GB GB9062/27A patent/GB293131A/en not_active Expired
- 1927-09-13 DE DEW77187D patent/DE578221C/de not_active Expired
-
1928
- 1928-01-30 GB GB16742/28A patent/GB305429A/en not_active Expired
- 1928-02-22 FR FR652167D patent/FR652167A/fr not_active Expired
- 1928-02-29 US US257971A patent/US1786583A/en not_active Expired - Lifetime
- 1928-12-05 FR FR665126D patent/FR665126A/fr not_active Expired
- 1928-12-11 US US325334A patent/US1774681A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL24821C (fr) | |
| US1786583A (en) | 1930-12-30 |
| GB305429A (en) | 1929-02-07 |
| US1774681A (en) | 1930-09-02 |
| BE349486A (fr) | |
| FR665126A (fr) | 1929-09-14 |
| DE578221C (de) | 1933-06-10 |
| FR652167A (fr) | 1929-03-04 |
| GB293131A (en) | 1928-07-02 |