BE444517A - - Google Patents
Info
- Publication number
- BE444517A BE444517A BE444517DA BE444517A BE 444517 A BE444517 A BE 444517A BE 444517D A BE444517D A BE 444517DA BE 444517 A BE444517 A BE 444517A
- Authority
- BE
- Belgium
- Prior art keywords
- spring
- alarm clock
- contact
- bell
- ground
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
- G04C21/24—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the spring of a mechanical alarm work
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE444517A true BE444517A (enrdf_load_stackoverflow) |
Family
ID=101155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE444517D BE444517A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE444517A (enrdf_load_stackoverflow) |
-
0
- BE BE444517D patent/BE444517A/fr unknown
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