FR656342A - Speaker training - Google Patents
Speaker trainingInfo
- Publication number
- FR656342A FR656342A FR656342DA FR656342A FR 656342 A FR656342 A FR 656342A FR 656342D A FR656342D A FR 656342DA FR 656342 A FR656342 A FR 656342A
- Authority
- FR
- France
- Prior art keywords
- speaker training
- speaker
- training
- 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
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR656342T | 1927-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR656342A true FR656342A (en) | 1929-05-06 |
Family
ID=9007689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR656342D Expired FR656342A (en) | 1927-11-04 | 1927-11-04 | Speaker training |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR656342A (en) |
-
1927
- 1927-11-04 FR FR656342D patent/FR656342A/en not_active Expired
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