BE519086A - - Google Patents
Info
- Publication number
- BE519086A BE519086A BE519086DA BE519086A BE 519086 A BE519086 A BE 519086A BE 519086D A BE519086D A BE 519086DA BE 519086 A BE519086 A BE 519086A
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Elimination Of Static Electricity (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1041790T | 1951-05-12 | ||
FR757358X | 1952-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE519086A true BE519086A (sr) |
Family
ID=31947998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE519086D BE519086A (sr) | 1951-05-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2847516A (sr) |
BE (1) | BE519086A (sr) |
FR (6) | FR1041790A (sr) |
GB (2) | GB757358A (sr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2191368A1 (sr) * | 1972-06-27 | 1974-02-01 | Commissariat Energie Atomique |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454244A1 (fr) * | 1979-04-13 | 1980-11-07 | Klein Siegfried | Transducteur omnidirectionnel pour la transformation de modulations electriques en modulations vibratoires |
FR2454251B1 (fr) * | 1979-04-13 | 1987-06-12 | Klein Siegfried | Circuit blinde depourvu de fuites d'ondes electromagnetiques perturbatrices |
FR2506551A1 (fr) * | 1981-05-21 | 1982-11-26 | Bondar Henri | Procede et dispositif pour transformer une tension electrique periodique bf en ondes acoustiques ou inversement |
FR2559636A1 (fr) * | 1984-02-15 | 1985-08-16 | Valois Distribution | Transducteur electro-acoustique a emission d'ions |
DE4209334C2 (de) * | 1992-03-23 | 2000-10-26 | Leybold Ag | Hochvakuum-Beschichtungsanlage |
DE102010026112A1 (de) * | 2010-07-05 | 2012-01-05 | Alexander Braun | Plasmahochtöner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1702951A (en) * | 1927-07-13 | 1929-02-19 | Ruben Samuel | Sound-emitting apparatus |
US1685075A (en) * | 1927-08-17 | 1928-09-18 | Rca Corp | Intertransposition of sound and electrical energy |
US1758993A (en) * | 1928-11-17 | 1930-05-20 | Rca Corp | Sound reproducer |
US1751888A (en) * | 1929-04-29 | 1930-03-25 | Ruben Patents Company | Sound-emitting device |
-
0
- BE BE519086D patent/BE519086A/xx unknown
-
1951
- 1951-05-12 FR FR1041790D patent/FR1041790A/fr not_active Expired
- 1951-12-27 FR FR62292D patent/FR62292E/fr not_active Expired
-
1952
- 1952-04-10 FR FR62738D patent/FR62738E/fr not_active Expired
- 1952-12-29 FR FR64924D patent/FR64924E/fr not_active Expired
-
1953
- 1953-01-16 FR FR65386D patent/FR65386E/fr not_active Expired
- 1953-04-23 US US350594A patent/US2847516A/en not_active Expired - Lifetime
- 1953-12-24 GB GB35890/53A patent/GB757358A/en not_active Expired
- 1953-12-29 GB GB36046/53A patent/GB757111A/en not_active Expired
-
1955
- 1955-03-08 FR FR67664D patent/FR67664E/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2191368A1 (sr) * | 1972-06-27 | 1974-02-01 | Commissariat Energie Atomique |
Also Published As
Publication number | Publication date |
---|---|
FR1041790A (fr) | 1953-10-27 |
FR62292E (fr) | 1955-06-13 |
GB757111A (en) | 1956-09-12 |
US2847516A (en) | 1958-08-12 |
FR62738E (fr) | 1955-06-20 |
FR67664E (fr) | 1958-03-17 |
GB757358A (en) | 1956-09-19 |
FR65386E (fr) | 1956-02-09 |
FR64924E (fr) | 1955-12-14 |