CH152939A - Electrostatic speaker. - Google Patents
Electrostatic speaker.Info
- Publication number
- CH152939A CH152939A CH152939DA CH152939A CH 152939 A CH152939 A CH 152939A CH 152939D A CH152939D A CH 152939DA CH 152939 A CH152939 A CH 152939A
- Authority
- CH
- Switzerland
- Prior art keywords
- electrostatic speaker
- speaker
- electrostatic
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE152939X | 1930-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH152939A true CH152939A (en) | 1932-02-29 |
Family
ID=5675355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH152939D CH152939A (en) | 1930-06-17 | 1931-02-12 | Electrostatic speaker. |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT126945B (en) |
CH (1) | CH152939A (en) |
ES (1) | ES121780A1 (en) |
-
1931
- 1931-02-12 CH CH152939D patent/CH152939A/en unknown
- 1931-02-13 AT AT126945D patent/AT126945B/en active
- 1931-02-20 ES ES0121780A patent/ES121780A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES121780A1 (en) | 1931-03-16 |
AT126945B (en) | 1932-02-25 |
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