FR664056A - Electrostatic sound reproducer - Google Patents
Electrostatic sound reproducerInfo
- Publication number
- FR664056A FR664056A FR664056DA FR664056A FR 664056 A FR664056 A FR 664056A FR 664056D A FR664056D A FR 664056DA FR 664056 A FR664056 A FR 664056A
- Authority
- FR
- France
- Prior art keywords
- sound reproducer
- electrostatic sound
- electrostatic
- reproducer
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04R19/00—Electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB31800/28A GB325868A (en) | 1928-11-01 | 1928-11-01 | Improvements in electro-static devices for sound reproduction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR664056A true FR664056A (en) | 1929-08-29 |
Family
ID=10328598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR664056D Expired FR664056A (en) | 1928-11-01 | 1928-11-16 | Electrostatic sound reproducer |
Country Status (3)
Country | Link |
---|---|
US (1) | US1797778A (en) |
FR (1) | FR664056A (en) |
GB (1) | GB325868A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE964999C (en) * | 1954-10-24 | 1957-05-29 | Telefunken Gmbh | Device for converting mechanical movements into electrical voltages and vice versa, especially in electroacoustics |
DE963616C (en) * | 1955-03-12 | 1957-05-09 | Telefunken Gmbh | Electroacoustic converter based on the electrostatic principle |
-
1928
- 1928-10-05 US US310474A patent/US1797778A/en not_active Expired - Lifetime
- 1928-11-01 GB GB31800/28A patent/GB325868A/en not_active Expired
- 1928-11-16 FR FR664056D patent/FR664056A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1797778A (en) | 1931-03-24 |
GB325868A (en) | 1930-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR669228A (en) | Improvements to reproducers of electrostatic sounds | |
FR671469A (en) | Improvements to reproducers of electrostatic sounds | |
FR638286A (en) | Sound reproducer | |
FR664056A (en) | Electrostatic sound reproducer | |
FR664057A (en) | Electrostatic sound reproducer | |
FR673659A (en) | Sound reproducer | |
FR677612A (en) | Sound receiver | |
FR665534A (en) | Sound reproducer | |
FR646684A (en) | Sound reproduction | |
FR683794A (en) | Sound reproducer | |
FR678652A (en) | Electromagnetic sound reproducer | |
FR655145A (en) | Sound reproducing diaphragm | |
FR667002A (en) | Microphone | |
FR692341A (en) | Sound recorder | |
FR647892A (en) | Electro-magnetic sound reproducer | |
FR634878A (en) | Loud speaker | |
FR617374A (en) | Sound reproducer | |
FR715456A (en) | Advanced sound reproducer | |
FR660970A (en) | Loud speaker | |
FR672063A (en) | Loud speaker | |
FR648477A (en) | Loud speaker | |
FR661297A (en) | Improvements to sound reproducers | |
CA283574A (en) | Sound reproducer | |
CA283023A (en) | Sound reproducer | |
CA283022A (en) | Sound reproducer |