BE383113A - - Google Patents
Info
- Publication number
- BE383113A BE383113A BE383113DA BE383113A BE 383113 A BE383113 A BE 383113A BE 383113D A BE383113D A BE 383113DA BE 383113 A BE383113 A BE 383113A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Percussion Or Vibration Massage (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US389839XA | 1930-10-04 | 1930-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE383113A true BE383113A (ja�@�@) |
Family
ID=21903028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE383113D BE383113A (ja�@�@) | 1930-10-04 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE383113A (ja�@�@) |
| GB (1) | GB389839A (ja�@�@) |
-
0
- BE BE383113D patent/BE383113A/xx unknown
-
1931
- 1931-09-24 GB GB26685/31A patent/GB389839A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB389839A (en) | 1933-03-24 |