BE510411A - - Google Patents
Info
- Publication number
- BE510411A BE510411A BE510411DA BE510411A BE 510411 A BE510411 A BE 510411A BE 510411D A BE510411D A BE 510411DA BE 510411 A BE510411 A BE 510411A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/085—Welding transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE717148X | 1951-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510411A true BE510411A (en) |
Family
ID=6626620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510411D BE510411A (en) | 1951-04-09 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE510411A (en) |
| CH (1) | CH328490A (en) |
| DE (1) | DE886798C (en) |
| FR (1) | FR1059899A (en) |
| GB (1) | GB717148A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE960123C (en) * | 1951-04-18 | 1957-04-04 | Siemens Ag | Device for current control in arc welding transformers |
| US2905260A (en) * | 1955-02-24 | 1959-09-22 | Muter Company | Loud speaker diaphragm |
| US3111187A (en) * | 1959-11-23 | 1963-11-19 | H J Leak & Company Ltd | Diaphragm for electro acoustic transducer |
| US3164221A (en) * | 1961-06-06 | 1965-01-05 | Rosen Alfred H | Low frequency loudspeaker system |
-
0
- BE BE510411D patent/BE510411A/xx unknown
- DE DENDAT886798D patent/DE886798C/en not_active Expired
-
1952
- 1952-03-28 GB GB8021/52A patent/GB717148A/en not_active Expired
- 1952-04-01 FR FR1059899D patent/FR1059899A/en not_active Expired
-
1953
- 1953-11-04 CH CH328490D patent/CH328490A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE886798C (en) | 1953-07-02 |
| CH328490A (en) | 1958-03-15 |
| GB717148A (en) | 1954-10-20 |
| FR1059899A (en) | 1954-03-29 |