DE546861C - Elektrische Schalldose mit Fluessigkeitsdaempfung fuer Sprechmaschinen - Google Patents
Elektrische Schalldose mit Fluessigkeitsdaempfung fuer SprechmaschinenInfo
- Publication number
- DE546861C DE546861C DEA53496D DEA0053496D DE546861C DE 546861 C DE546861 C DE 546861C DE A53496 D DEA53496 D DE A53496D DE A0053496 D DEA0053496 D DE A0053496D DE 546861 C DE546861 C DE 546861C
- Authority
- DE
- Germany
- Prior art keywords
- sound box
- membrane
- damping
- electric sound
- liquid damping
- 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 title claims description 19
- 239000007788 liquid Substances 0.000 title description 3
- 239000012528 membrane Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004804 winding Methods 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)
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Fluid-Damping Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US174355A US1760527A (en) | 1927-03-10 | 1927-03-10 | Electrical device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE546861C true DE546861C (de) | 1932-03-21 |
Family
ID=22635864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA53496D Expired DE546861C (de) | 1927-03-10 | 1928-03-09 | Elektrische Schalldose mit Fluessigkeitsdaempfung fuer Sprechmaschinen |
Country Status (5)
Country | Link |
---|---|
US (1) | US1760527A (enrdf_load_html_response) |
DE (1) | DE546861C (enrdf_load_html_response) |
FR (1) | FR651366A (enrdf_load_html_response) |
GB (1) | GB286719A (enrdf_load_html_response) |
NL (1) | NL29665C (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514379A (en) * | 1947-08-25 | 1950-07-11 | Jr Charles R Douglass | Electrodynamic recording head |
-
0
- NL NL29665D patent/NL29665C/xx active
-
1927
- 1927-03-10 US US174355A patent/US1760527A/en not_active Expired - Lifetime
-
1928
- 1928-03-05 GB GB6884/28A patent/GB286719A/en not_active Expired
- 1928-03-09 DE DEA53496D patent/DE546861C/de not_active Expired
- 1928-03-09 FR FR651366D patent/FR651366A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB286719A (en) | 1928-11-22 |
FR651366A (fr) | 1929-02-18 |
NL29665C (enrdf_load_html_response) | |
US1760527A (en) | 1930-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE546861C (de) | Elektrische Schalldose mit Fluessigkeitsdaempfung fuer Sprechmaschinen | |
DE656210C (de) | Baendchenmikrophon | |
DE841649C (de) | Vorrichtung zum Erzeugen von Schwingungen an technischen Gebilden | |
DE1094367B (de) | Elektromagnetisches Drehanker-Relais | |
DE896121C (de) | Elektromagnetisches System fuer die Wiedergabe von Amplitudenschrift | |
DE1101787B (de) | Tonabnehmer mit zwei Wandlern | |
DE681142C (de) | Wechselstromvibrationsmassagegeraet | |
DE918581C (de) | Polarisierter Schwingankermotor | |
DE568950C (de) | Polarisiertes Relais fuer Schnelltelegraphie | |
DE391523C (de) | Naehmaschine mit elektromotorischem Antrieb | |
DE917698C (de) | Halterung eines Magnetkopfes in magnetischen Aufzeichnungs- oder Wiedergabegeraeten | |
DE823799C (de) | Elektrodynamischer Tonschreiber, insbesondere fuer das Schneiden von Schallplatten | |
DE867405C (de) | Kondensator-Mikrofon mit federnd gehalterter Kapsel | |
AT127575B (de) | Tonwiedergabevorrichtung. | |
DE706250C (de) | Elektromagnetisches Lichtsteuergeraet fuer Tonaufzeichnungen | |
DE523137C (de) | Amalgammischvorrichtung | |
DE579434C (de) | Elektromagnetisch gesteuerte, auch fuer Wechselstrom geeignete Schreibvorrichtung | |
DE624027C (de) | Handharmonika o. dgl. | |
DE506404C (de) | Antriebsvorrichtung fuer bewegliche Reklame | |
DE567611C (de) | Vorrichtung zur Regelung der Luftspaltbreite und der Schraeglage des Ankers gegenueber den Polen fuer elektromagnetische Lautsprecherantriebe | |
DE3832730C2 (enrdf_load_html_response) | ||
DE613236C (de) | Elektrische Schalldose fuer Sprechmaschinen | |
DE759869C (de) | Ruettelgeraet | |
DE1439584C (de) | Elektromagnetischer Wandler mit mag netischer Justiereinrichtung | |
DE495213C (de) | Sprechmaschine |