NL98724C - - Google Patents
Info
- Publication number
- NL98724C NL98724C NL98724DA NL98724C NL 98724 C NL98724 C NL 98724C NL 98724D A NL98724D A NL 98724DA NL 98724 C NL98724 C NL 98724C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP10574A DE1041083B (de) | 1953-10-05 | 1953-10-05 | Akustische Membran mit zaehfluessigem Daempfungsbelag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL98724C true NL98724C (cg-RX-API-DMAC7.html) |
Family
ID=7362962
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL98724D NL98724C (cg-RX-API-DMAC7.html) | 1953-10-05 | ||
| NL192534D NL192534A (cg-RX-API-DMAC7.html) | 1953-10-05 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL192534D NL192534A (cg-RX-API-DMAC7.html) | 1953-10-05 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1041083B (cg-RX-API-DMAC7.html) |
| NL (2) | NL192534A (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1100355B (de) * | 1959-05-09 | 1961-02-23 | Heinrich Peiker | Elektroakustischer Wandler fuer Resonanzbetrieb im Ultraschallgebiet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE533786C (de) * | 1931-09-18 | Siemens & Halske Akt Ges | Metallmembran fuer akustische Apparate, welche mit einer Gummihaut ueberzogen und durch stromfuehrende Leiter elektrodynamisch angetrieben wird | |
| FR667722A (fr) * | 1928-04-23 | 1929-10-21 | Stardyne Eymar Freres Et Cie | Perfectionnements aux appareils reproducteurs de sons, et spécialement aux diffuseurs radiotéléphoniques |
| GB475869A (en) * | 1936-05-21 | 1937-11-22 | Murphy Radio Ltd | Improvements in diaphragms responding to or reproducing sound |
| DE711101C (de) * | 1937-08-30 | 1941-09-26 | Telefunken Gmbh | Lautsprchermembran |
| DE905378C (de) * | 1940-10-02 | 1954-03-01 | Hermann Papst | Membran fuer Lautsprecher und andere akustische Geraete |
-
0
- NL NL98724D patent/NL98724C/xx active
- NL NL192534D patent/NL192534A/xx unknown
-
1953
- 1953-10-05 DE DEP10574A patent/DE1041083B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1041083B (de) | 1958-10-16 |
| NL192534A (cg-RX-API-DMAC7.html) |