FR335146A - Microphone device system - Google Patents
Microphone device systemInfo
- Publication number
- FR335146A FR335146A FR335146A FR335146DA FR335146A FR 335146 A FR335146 A FR 335146A FR 335146 A FR335146 A FR 335146A FR 335146D A FR335146D A FR 335146DA FR 335146 A FR335146 A FR 335146A
- Authority
- FR
- France
- Prior art keywords
- device system
- microphone device
- microphone
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/021—Microphones with granular resistance material
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR5887T |
Publications (1)
Publication Number | Publication Date |
---|---|
FR335146A true FR335146A (en) | 1904-01-12 |
Family
ID=8606974
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR5887A Expired FR5887E (en) | Microphone device system | ||
FR335146A Expired FR335146A (en) | 1903-09-10 | Microphone device system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR5887A Expired FR5887E (en) | Microphone device system |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR335146A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976083A (en) * | 1975-02-27 | 1976-08-24 | Schmidt Jakob E | Brassiere having simulated nipples |
-
0
- FR FR5887A patent/FR5887E/en not_active Expired
-
1903
- 1903-09-10 FR FR335146A patent/FR335146A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR5887E (en) | 1906-07-13 |
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