DE259917C - - Google Patents
Info
- Publication number
- DE259917C DE259917C DENDAT259917D DE259917DA DE259917C DE 259917 C DE259917 C DE 259917C DE NDAT259917 D DENDAT259917 D DE NDAT259917D DE 259917D A DE259917D A DE 259917DA DE 259917 C DE259917 C DE 259917C
- Authority
- DE
- Germany
- Prior art keywords
- sound waves
- mouth
- nose
- waves
- voice
- 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
- 239000012528 membrane Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 4
- 230000001755 vocal effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 210000001331 nose Anatomy 0.000 description 6
- 230000006698 induction Effects 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 210000003928 nasal cavity Anatomy 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000001584 soft palate Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR18193T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE259917C true DE259917C (enrdf_load_stackoverflow) |
Family
ID=8659415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT259917D Active DE259917C (enrdf_load_stackoverflow) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE259917C (enrdf_load_stackoverflow) |
| FR (5) | FR448420A (enrdf_load_stackoverflow) |
-
0
- FR FR16517A patent/FR16517E/fr not_active Expired
- DE DENDAT259917D patent/DE259917C/de active Active
- FR FR17747A patent/FR17747E/fr not_active Expired
- FR FR18193A patent/FR18193E/fr not_active Expired
- FR FR19271A patent/FR19271E/fr not_active Expired
-
1911
- 1911-11-25 FR FR448420A patent/FR448420A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR16517E (fr) | 1913-02-21 |
| FR18193E (fr) | 1914-02-21 |
| FR17747E (fr) | 1913-11-13 |
| FR448420A (fr) | 1913-01-30 |
| FR19271E (fr) | 1914-12-23 |
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