DE311911C - - Google Patents
Info
- Publication number
- DE311911C DE311911C DENDAT311911D DE311911DA DE311911C DE 311911 C DE311911 C DE 311911C DE NDAT311911 D DENDAT311911 D DE NDAT311911D DE 311911D A DE311911D A DE 311911DA DE 311911 C DE311911 C DE 311911C
- Authority
- DE
- Germany
- Prior art keywords
- mouthpiece
- speaking
- openings
- air
- outlet openings
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/30—Mounting radio sets or communication systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Air-Flow Control Members (AREA)
- Duct Arrangements (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE311912T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE311911C true DE311911C (enrdf_load_stackoverflow) |
Family
ID=32332143
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT311912D Active DE311912C (enrdf_load_stackoverflow) | |||
| DENDAT311911D Active DE311911C (enrdf_load_stackoverflow) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT311912D Active DE311912C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE311911C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505358A (en) * | 1982-01-11 | 1985-03-19 | Ulrich Sielaff | Voice communicator |
-
0
- DE DENDAT311912D patent/DE311912C/de active Active
- DE DENDAT311911D patent/DE311911C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE311912C (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0514753B1 (de) | Brausekopf | |
| DE10039198B4 (de) | Medizinisches oder dentalmedizinisches Behandlungsinstrument mit einem insbesondere pneumatischen Schwingantrieb | |
| EP0837286B1 (de) | Brennkammer einer Gasturbine mit einem ringförmigen Kopfabschnitt | |
| EP3540131A1 (de) | Sanitäre einsetzeinheit | |
| WO2007140637A2 (de) | Vorrichtung für mundstückübungen für ein holzblasinstrument | |
| DE311911C (enrdf_load_stackoverflow) | ||
| DE643041C (de) | Strahlrohr fuer Kohlensaeureschneeloescher | |
| EP1216756A2 (de) | Handbrause | |
| EP1885504B1 (de) | Brausekopf | |
| DE1907735A1 (de) | An einer Luft- oder Sauerstoffzuleitung angeschlossener Brenner | |
| DE2263956A1 (de) | Vorrichtung zur verminderung des schalles | |
| DE202017100159U1 (de) | Strahlsonde zum Einbringen eines körnigen Strahlguts in einen Hohlraum | |
| DE2851662C2 (enrdf_load_stackoverflow) | ||
| DE152095C (enrdf_load_stackoverflow) | ||
| DE2137263C3 (de) | Vorrichtung zum Verhindern von Pfeifgeräuschen bei Auspuffanlagen von Brennkraftmaschinen | |
| DE2658411A1 (de) | Verbindungselement, insbesondere gewindeschraube oder gewinde-stehbolzen | |
| DE1298228B (de) | Vorrichtung zur Entschlackung von mit Rohren verkleideten Brennkammerwaenden | |
| DE88262C (enrdf_load_stackoverflow) | ||
| DE2658112A1 (de) | Spruehduese | |
| DE12919C (de) | Neuerungen an verstellbaren Rohrreinigern für Dampfkessel (1 | |
| DE29807792U1 (de) | Vorrichtung zum Abstrahlen der Innenflächen von Rohren | |
| DE684412C (de) | Druckmittelbetriebener Messwertgeber, insbesondere fuer die Fernuebertragung der Stellung von Kreiselgeraeten | |
| DE96005C (enrdf_load_stackoverflow) | ||
| CH322175A (de) | Verfahren zur Innenreinigung von Rohrleitungen und Einrichtung zur Ausübung desselben | |
| DE869838C (de) | Lufteinfuehrung, insbesondere in Feuerraeume |