DE202899C - - Google Patents
Info
- Publication number
- DE202899C DE202899C DENDAT202899D DE202899DA DE202899C DE 202899 C DE202899 C DE 202899C DE NDAT202899 D DENDAT202899 D DE NDAT202899D DE 202899D A DE202899D A DE 202899DA DE 202899 C DE202899 C DE 202899C
- Authority
- DE
- Germany
- Prior art keywords
- key
- call
- lever
- magnet
- current
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
- H01H3/503—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring making use of electromagnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202899C true DE202899C (enrdf_load_html_response) |
Family
ID=465354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT202899D Active DE202899C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE202899C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1137787B (de) * | 1954-03-12 | 1962-10-11 | New Britain Machine Co | Elektrischer Bedienungsschalter |
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0
- DE DENDAT202899D patent/DE202899C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1137787B (de) * | 1954-03-12 | 1962-10-11 | New Britain Machine Co | Elektrischer Bedienungsschalter |