GB338068A - Improvements in and relating to driving systems for electromagnetic loud speakers - Google Patents
Improvements in and relating to driving systems for electromagnetic loud speakersInfo
- Publication number
- GB338068A GB338068A GB1688/30A GB168830A GB338068A GB 338068 A GB338068 A GB 338068A GB 1688/30 A GB1688/30 A GB 1688/30A GB 168830 A GB168830 A GB 168830A GB 338068 A GB338068 A GB 338068A
- Authority
- GB
- United Kingdom
- Prior art keywords
- armature
- base plate
- limbs
- screws
- magnet
- 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
- 239000012858 resilient material Substances 0.000 abstract 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI39935D DE552460C (de) | 1929-11-25 | 1929-11-25 | Blattfedersystem zum Einspannen des Ankers elektromagnetischer Antriebssysteme |
Publications (1)
Publication Number | Publication Date |
---|---|
GB338068A true GB338068A (en) | 1930-11-13 |
Family
ID=25817279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1688/30A Expired GB338068A (en) | 1929-11-25 | 1930-01-17 | Improvements in and relating to driving systems for electromagnetic loud speakers |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT125120B (enrdf_load_stackoverflow) |
BE (1) | BE367194A (enrdf_load_stackoverflow) |
DE (1) | DE552460C (enrdf_load_stackoverflow) |
ES (1) | ES120458A1 (enrdf_load_stackoverflow) |
FR (1) | FR689065A (enrdf_load_stackoverflow) |
GB (1) | GB338068A (enrdf_load_stackoverflow) |
-
1929
- 1929-11-25 DE DEI39935D patent/DE552460C/de not_active Expired
-
1930
- 1930-01-17 GB GB1688/30A patent/GB338068A/en not_active Expired
- 1930-01-23 BE BE367194D patent/BE367194A/xx unknown
- 1930-01-29 FR FR689065D patent/FR689065A/fr not_active Expired
- 1930-10-08 AT AT125120D patent/AT125120B/de active
- 1930-11-06 ES ES0120458A patent/ES120458A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES120458A1 (es) | 1931-01-16 |
FR689065A (fr) | 1930-09-02 |
AT125120B (de) | 1931-10-26 |
DE552460C (de) | 1932-06-18 |
BE367194A (enrdf_load_stackoverflow) | 1930-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2412123A (en) | Electromagnetic device | |
GB338068A (en) | Improvements in and relating to driving systems for electromagnetic loud speakers | |
US1871739A (en) | Driving unit for sound reproducers | |
US2559399A (en) | Polarized electromagnetic relay | |
GB650207A (en) | Improvements in or relating to polarised relays | |
US1756791A (en) | Loud-speaker unit | |
GB355227A (en) | Improvements relating to the mounting of vibrating reeds, more particularly for use in connection with electromagnetic gramophone pick-ups, loud speakers and the like | |
GB368112A (en) | Improvements in and relating to sound reproducing apparatus | |
US1771127A (en) | Telephone magnet system | |
US2519916A (en) | Inertial electromagnetic throat microphone | |
US2864038A (en) | Electromagnetic device | |
US1718009A (en) | Loud-speaker and sound-reproducing unit | |
US1866231A (en) | Sound emitting device | |
US1986984A (en) | Amplifying device | |
US1861105A (en) | Loud speaker | |
GB577482A (en) | Improvements in or relating to electromagnetic interrupters | |
GB341647A (en) | Improvements in electro-magnetic vibratory devices such, for example, as loudspeakers | |
GB324608A (en) | Improvements relating to loud speakers | |
GB241343A (en) | Improvements in and relating to devices for transmitting or reproducing sound | |
GB325227A (en) | Improvements in or relating to electro-acoustic devices such as loud-speakers | |
US1689388A (en) | Telephone receiver | |
US1876790A (en) | Electromagnetic receiving and transmitting instrument | |
GB337094A (en) | Improvements in, or relating to, electrical sound reproducing apparatus | |
GB325354A (en) | Electromagnetic sound reproducer | |
GB221923A (en) | Improvements in or relating to loud speaking telephones |