DE613236C - Elektrische Schalldose fuer Sprechmaschinen - Google Patents
Elektrische Schalldose fuer SprechmaschinenInfo
- Publication number
- DE613236C DE613236C DEA57470D DEA0057470D DE613236C DE 613236 C DE613236 C DE 613236C DE A57470 D DEA57470 D DE A57470D DE A0057470 D DEA0057470 D DE A0057470D DE 613236 C DE613236 C DE 613236C
- Authority
- DE
- Germany
- Prior art keywords
- sound box
- rubber plate
- box according
- plate
- cushioning pad
- 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
- 238000013016 damping Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Adjustable Resistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US271813A US1906615A (en) | 1928-04-21 | 1928-04-21 | Electric pick-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE613236C true DE613236C (de) | 1935-05-16 |
Family
ID=23037202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA57470D Expired DE613236C (de) | 1928-04-21 | 1929-04-16 | Elektrische Schalldose fuer Sprechmaschinen |
Country Status (4)
-
0
- NL NL28475D patent/NL28475C/xx active
-
1928
- 1928-04-21 US US271813A patent/US1906615A/en not_active Expired - Lifetime
-
1929
- 1929-04-16 DE DEA57470D patent/DE613236C/de not_active Expired
- 1929-04-22 GB GB12437/29A patent/GB310284A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1906615A (en) | 1933-05-02 |
| NL28475C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB310284A (en) | 1930-09-22 |
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