NL29728C - - Google Patents
Info
- Publication number
- NL29728C NL29728C NL50440A NL50440A NL29728C NL 29728 C NL29728 C NL 29728C NL 50440 A NL50440 A NL 50440A NL 50440 A NL50440 A NL 50440A NL 29728 C NL29728 C NL 29728C
- 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
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB891031A GB348585A (en) | 1930-02-12 | 1930-02-12 | Improvements in electrostatic loud speakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL29728C true NL29728C (de) | 1933-05-15 |
Family
ID=40887144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50440A NL29728C (de) | 1930-02-12 | 1930-02-25 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB348585A (de) |
| NL (1) | NL29728C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007115350A1 (en) * | 2006-04-10 | 2007-10-18 | Immersion Technology Property Limited | An electrostatic loudspeaker |
-
1930
- 1930-02-12 GB GB891031A patent/GB348585A/en not_active Expired
- 1930-02-25 NL NL50440A patent/NL29728C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| GB348585A (en) | 1931-05-12 |