BE364616A - - Google Patents
Info
- Publication number
- BE364616A BE364616A BE364616DA BE364616A BE 364616 A BE364616 A BE 364616A BE 364616D A BE364616D A BE 364616DA BE 364616 A BE364616 A BE 364616A
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
-
- 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
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- 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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
- H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Electrophonic Musical Instruments (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL43693A NL31923C (pt) | 1928-11-15 | 1928-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE364616A true BE364616A (pt) | 1929-11-30 |
Family
ID=40757004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE364616D BE364616A (pt) | 1928-11-15 | 1929-10-18 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE364616A (pt) |
| DE (1) | DE590912C (pt) |
| FR (1) | FR683519A (pt) |
| GB (1) | GB325329A (pt) |
| NL (1) | NL31923C (pt) |
-
1928
- 1928-11-15 NL NL43693A patent/NL31923C/xx active
- 1928-12-14 GB GB3704228A patent/GB325329A/en not_active Expired
-
1929
- 1929-10-18 BE BE364616D patent/BE364616A/xx unknown
- 1929-10-18 FR FR683519D patent/FR683519A/fr not_active Expired
- 1929-11-02 DE DE1929590912D patent/DE590912C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE590912C (de) | 1934-01-13 |
| GB325329A (en) | 1930-02-20 |
| NL31923C (pt) | 1934-02-15 |
| FR683519A (fr) | 1930-06-13 |