BE493875A - - Google Patents
Info
- Publication number
- BE493875A BE493875A BE493875DA BE493875A BE 493875 A BE493875 A BE 493875A BE 493875D A BE493875D A BE 493875DA BE 493875 A BE493875 A BE 493875A
- Authority
- BE
- Belgium
- Prior art keywords
- core
- secondary winding
- turns
- primary winding
- winding
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
- G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
- G10K1/064—Operating or striking mechanisms therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE493875A true BE493875A (enrdf_load_stackoverflow) |
Family
ID=137774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE493875D BE493875A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE493875A (enrdf_load_stackoverflow) |
-
0
- BE BE493875D patent/BE493875A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2499329A1 (fr) | Dispositif electrique de generation de mouvement, en particulier de mouvement alternatif en va-et-vient, et ensemble comprenant un tel dispositif | |
BE493875A (enrdf_load_stackoverflow) | ||
US2135843A (en) | Magnetogenerator | |
US905781A (en) | Telephone-receiver. | |
BE439377A (enrdf_load_stackoverflow) | ||
AU3676600A (en) | Electromagnetic device and driver circuit | |
US2255840A (en) | Communicating device and system | |
CH334787A (fr) | Moteur électrique à rotor oscillant | |
BE690088A (enrdf_load_stackoverflow) | ||
US355734A (en) | Henby e | |
BE421042A (enrdf_load_stackoverflow) | ||
CH312261A (fr) | Dispositif moteur sans collecteur, notamment pour instruments de mesure. | |
CH335187A (fr) | Dispositif d'entretien électromagnétique du mouvement d'un balancier spiral | |
BE402454A (enrdf_load_stackoverflow) | ||
US2892187A (en) | Sound output control for telephone ringers | |
CH462679A (fr) | Générateur de signaux acoustiques | |
BE430526A (enrdf_load_stackoverflow) | ||
FR2478928A1 (fr) | Transducteur electro-acoustique | |
BE410774A (enrdf_load_stackoverflow) | ||
US1786985A (en) | Magnetic pickup | |
US1543718A (en) | Loud-speaking device for wireless | |
BE509369A (enrdf_load_stackoverflow) | ||
US443493A (en) | Telephone | |
US746979A (en) | Party-line bell. | |
CH228701A (fr) | Dispositif réglant à entretien électrique du mouvement pour pièce d'horlogerie. |