FR18193E - Method and apparatus for receiving vocal sound waves and applications - Google Patents
Method and apparatus for receiving vocal sound waves and applicationsInfo
- Publication number
- FR18193E FR18193E FR18193A FR18193DA FR18193E FR 18193 E FR18193 E FR 18193E FR 18193 A FR18193 A FR 18193A FR 18193D A FR18193D A FR 18193DA FR 18193 E FR18193 E FR 18193E
- Authority
- FR
- France
- Prior art keywords
- applications
- sound waves
- vocal sound
- receiving vocal
- receiving
- 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.)
- Expired
Links
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 |
---|---|
FR18193E true FR18193E (en) | 1914-02-21 |
Family
ID=8659415
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR18193A Expired FR18193E (en) | Method and apparatus for receiving vocal sound waves and applications | ||
FR17747A Expired FR17747E (en) | Method and apparatus for receiving vocal sound waves and applications | ||
FR16517A Expired FR16517E (en) | Method and apparatus for receiving vocal sound waves and applications | ||
FR19271A Expired FR19271E (en) | Method and apparatus for the reception of vocal sound waves and their applications | ||
FR448420A Expired FR448420A (en) | 1911-11-25 | Method and apparatus for receiving vocal sound waves and applications |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR17747A Expired FR17747E (en) | Method and apparatus for receiving vocal sound waves and applications | ||
FR16517A Expired FR16517E (en) | Method and apparatus for receiving vocal sound waves and applications | ||
FR19271A Expired FR19271E (en) | Method and apparatus for the reception of vocal sound waves and their applications | ||
FR448420A Expired FR448420A (en) | 1911-11-25 | Method and apparatus for receiving vocal sound waves and applications |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE259917C (en) |
FR (5) | FR448420A (en) |
-
0
- FR FR18193A patent/FR18193E/en not_active Expired
- FR FR17747A patent/FR17747E/en not_active Expired
- FR FR16517A patent/FR16517E/en not_active Expired
- FR FR19271A patent/FR19271E/en not_active Expired
- DE DENDAT259917D patent/DE259917C/de active Active
-
1911
- 1911-11-25 FR FR448420A patent/FR448420A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR19271E (en) | 1914-12-23 |
FR17747E (en) | 1913-11-13 |
FR16517E (en) | 1913-02-21 |
DE259917C (en) | |
FR448420A (en) | 1913-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR18193E (en) | Method and apparatus for receiving vocal sound waves and applications | |
FR438113A (en) | Method and apparatus for the production of artificial waves | |
FR469111A (en) | Method and apparatus for making an explosion-proof solamire | |
FR519116A (en) | Process for photographically recording sound waves | |
FR492049A (en) | Method and apparatus for producing asymmetric potential waves | |
DK20904C (en) | Method and Apparatus for Transmitting Sound Waves. | |
FR424876A (en) | Method and apparatus for the manufacture of metal tubes | |
FR451005A (en) | Apparatus for recording and reproducing acoustic waves | |
FR459123A (en) | Method and apparatus for perforating motion pictures | |
FR435041A (en) | Method and apparatus for receiving and reproducing sound vibrations | |
FR439837A (en) | Apparatus for acoustic pipes | |
FR440322A (en) | Process for the refrigeration of milk and apparatus for its realization | |
FR487526A (en) | Method and apparatus for processing grain | |
FR325088A (en) | Apparatus for reducing the attenuation of electric waves | |
FR18096E (en) | Method and apparatus for ear education | |
FR19767E (en) | Method and apparatus for ear education | |
FR449264A (en) | Method and apparatus for ear education | |
FR437858A (en) | Processes and apparatus for the production of cold | |
FR463230A (en) | Process and apparatus for ore reduction | |
FR467527A (en) | Improvements in methods and apparatus for receiving underwater sound vibrations | |
FR459929A (en) | Method and apparatus for the separation of various inorganic bodies of the same density | |
FR497935A (en) | Method and apparatus for refrigeration | |
FR502160A (en) | Apparatus for generating continuous waves | |
FR536371A (en) | Device for receiving underwater sound waves | |
FR401366A (en) | Method and apparatus for producing signals by the received electromagnetic waves |