DE8702418U1 - - Google Patents
Info
- Publication number
- DE8702418U1 DE8702418U1 DE8702418U DE8702418U DE8702418U1 DE 8702418 U1 DE8702418 U1 DE 8702418U1 DE 8702418 U DE8702418 U DE 8702418U DE 8702418 U DE8702418 U DE 8702418U DE 8702418 U1 DE8702418 U1 DE 8702418U1
- Authority
- DE
- Germany
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8702418U DE8702418U1 (en) | 1987-02-17 | 1987-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8702418U DE8702418U1 (en) | 1987-02-17 | 1987-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8702418U1 true DE8702418U1 (en) | 1987-06-25 |
Family
ID=6804830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8702418U Expired DE8702418U1 (en) | 1987-02-17 | 1987-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8702418U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004780A1 (en) * | 1990-02-16 | 1991-08-29 | Michael Reuter | Ecologically good loudspeaker housings - are made up of hollow fibre-reinforced concrete components, have favourable acoustic properties and are free from standing waves |
| DE4040292C1 (en) * | 1990-12-17 | 1992-02-20 | Albert Kratzel | Loudspeaker focusing with good acoustic resonance characteristics - has gap between two moulds filled with mineral mixture, e.g. sand and cement of gypsum plaster |
| DE19806509B4 (en) * | 1998-02-17 | 2007-12-13 | Harman Becker Automotive Systems Gmbh | Device for information reproduction |
-
1987
- 1987-02-17 DE DE8702418U patent/DE8702418U1/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004780A1 (en) * | 1990-02-16 | 1991-08-29 | Michael Reuter | Ecologically good loudspeaker housings - are made up of hollow fibre-reinforced concrete components, have favourable acoustic properties and are free from standing waves |
| DE4040292C1 (en) * | 1990-12-17 | 1992-02-20 | Albert Kratzel | Loudspeaker focusing with good acoustic resonance characteristics - has gap between two moulds filled with mineral mixture, e.g. sand and cement of gypsum plaster |
| DE19806509B4 (en) * | 1998-02-17 | 2007-12-13 | Harman Becker Automotive Systems Gmbh | Device for information reproduction |