BE504444A - - Google Patents
Info
- Publication number
- BE504444A BE504444A BE504444DA BE504444A BE 504444 A BE504444 A BE 504444A BE 504444D A BE504444D A BE 504444DA BE 504444 A BE504444 A BE 504444A
- Authority
- BE
- Belgium
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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C13/00—Driving mechanisms for clocks by master-clocks
- G04C13/08—Slave-clocks actuated intermittently
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE296814X | 1950-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504444A true BE504444A (xx) |
Family
ID=6090496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504444D BE504444A (xx) | 1950-07-07 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE504444A (xx) |
| CH (1) | CH296814A (xx) |
-
0
- BE BE504444D patent/BE504444A/xx unknown
-
1951
- 1951-06-30 CH CH296814D patent/CH296814A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH296814A (de) | 1954-02-28 |