BE383018A - - Google Patents
Info
- Publication number
- BE383018A BE383018A BE383018DA BE383018A BE 383018 A BE383018 A BE 383018A BE 383018D A BE383018D A BE 383018DA BE 383018 A BE383018 A BE 383018A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/02—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electrolytic methods
-
- 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)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE381322X | 1931-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE383018A true BE383018A (xx) | 1931-10-31 |
Family
ID=6352437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE383018D BE383018A (xx) | 1931-07-28 | 1931-09-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE383018A (xx) |
| FR (2) | FR381322A (xx) |
| GB (1) | GB381322A (xx) |
-
1907
- 1907-08-28 FR FR381322D patent/FR381322A/fr not_active Expired
-
1931
- 1931-09-28 GB GB27027/31A patent/GB381322A/en not_active Expired
- 1931-09-30 BE BE383018D patent/BE383018A/xx unknown
- 1931-10-06 FR FR723894D patent/FR723894A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB381322A (en) | 1932-10-06 |
| FR723894A (fr) | 1932-04-16 |
| FR381322A (fr) | 1908-01-09 |