NL22655C - - Google Patents
Info
- Publication number
- NL22655C NL22655C NL36042A NL36042A NL22655C NL 22655 C NL22655 C NL 22655C NL 36042 A NL36042 A NL 36042A NL 36042 A NL36042 A NL 36042A NL 22655 C NL22655 C NL 22655C
- Authority
- NL
- Netherlands
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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnets (AREA)
- Vibration Prevention Devices (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL36042A NL22655C (en:Method) | 1927-02-18 | 1927-02-18 | |
| GB5879/27A GB291166A (en) | 1927-02-18 | 1927-03-02 | Improvements in or relating to devices for converting electric oscillations into mechanical vibrations, such as telephones |
| FR630655D FR630655A (fr) | 1927-02-18 | 1927-03-10 | Dispositif destiné à la transformation d'oscillations électriques en vibrations mécaniques |
| DEN27055D DE471236C (de) | 1927-02-18 | 1927-03-13 | Vorrichtung zur Umwandlung elektrischer Schwingungen in mechanische Schwingungen |
| US240571A US1820943A (en) | 1927-02-18 | 1927-12-16 | Device for converting electric oscillations into mechanical vibrations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL36042A NL22655C (en:Method) | 1927-02-18 | 1927-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL22655C true NL22655C (en:Method) | 1930-09-15 |
Family
ID=26240223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36042A NL22655C (en:Method) | 1927-02-18 | 1927-02-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1820943A (en:Method) |
| DE (1) | DE471236C (en:Method) |
| FR (1) | FR630655A (en:Method) |
| GB (1) | GB291166A (en:Method) |
| NL (1) | NL22655C (en:Method) |
-
1927
- 1927-02-18 NL NL36042A patent/NL22655C/xx active
- 1927-03-02 GB GB5879/27A patent/GB291166A/en not_active Expired
- 1927-03-10 FR FR630655D patent/FR630655A/fr not_active Expired
- 1927-03-13 DE DEN27055D patent/DE471236C/de not_active Expired
- 1927-12-16 US US240571A patent/US1820943A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR630655A (fr) | 1927-12-07 |
| GB291166A (en) | 1928-05-31 |
| DE471236C (de) | 1929-02-08 |
| US1820943A (en) | 1931-09-01 |