NL44079C - - Google Patents
Info
- Publication number
- NL44079C NL44079C NL44079DA NL44079C NL 44079 C NL44079 C NL 44079C NL 44079D A NL44079D A NL 44079DA NL 44079 C NL44079 C NL 44079C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA77785D DE656271C (de) | 1935-11-29 | 1935-11-29 | Elektrisches Schaltgeraet, dessen mit Abbrennringen versehene feste Schaltkontakte nicht ohne weiteres ueberwachbar sind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL44079C true NL44079C (enrdf_load_html_response) |
Family
ID=6947199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL44079D NL44079C (enrdf_load_html_response) | 1935-11-29 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE656271C (enrdf_load_html_response) |
| NL (1) | NL44079C (enrdf_load_html_response) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE926799C (de) * | 1951-10-21 | 1955-04-25 | Voigt & Haeffner Ag | Einrichtung zum UEberwachen des Abbrandes der Kontakte eines Schalters |
| US5844331A (en) * | 1994-10-27 | 1998-12-01 | Siemens Aktiengesellschaft | Process for monitoring the wear of at least one contact in a switching device and switching device designed thereof |
| DE29720912U1 (de) * | 1997-11-25 | 1998-01-22 | Siemens AG, 80333 München | Vorrichtung zur Überwachung des Kontaktabbrands eines Kontaktstücks |
-
0
- NL NL44079D patent/NL44079C/xx active
-
1935
- 1935-11-29 DE DEA77785D patent/DE656271C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE656271C (de) | 1938-02-03 |