BE409329A - - Google Patents
Info
- Publication number
- BE409329A BE409329A BE409329DA BE409329A BE 409329 A BE409329 A BE 409329A BE 409329D A BE409329D A BE 409329DA BE 409329 A BE409329 A BE 409329A
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE441747X | 1934-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE409329A true BE409329A (ja�@�@) |
Family
ID=6518428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE409329D BE409329A (ja�@�@) | 1934-05-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2108275A (ja�@�@) |
| BE (1) | BE409329A (ja�@�@) |
| FR (1) | FR789737A (ja�@�@) |
| GB (1) | GB441747A (ja�@�@) |
| NL (1) | NL43098C (ja�@�@) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454425A (en) * | 1943-12-23 | 1948-11-23 | Shure Bros | Magnetic translating device |
| BE480688A (ja�@�@) * | 1945-01-26 | |||
| US2444336A (en) * | 1946-01-30 | 1948-06-29 | Lionel B Cornwell | Electrical sound translating device |
-
0
- NL NL43098D patent/NL43098C/xx active
- BE BE409329D patent/BE409329A/xx unknown
-
1935
- 1935-04-17 US US16872A patent/US2108275A/en not_active Expired - Lifetime
- 1935-05-08 FR FR789737D patent/FR789737A/fr not_active Expired
- 1935-05-09 GB GB13696/35A patent/GB441747A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL43098C (ja�@�@) | |
| US2108275A (en) | 1938-02-15 |
| GB441747A (en) | 1936-01-24 |
| FR789737A (fr) | 1935-11-05 |