DD116530A1 - - Google Patents
Info
- Publication number
- DD116530A1 DD116530A1 DD18275574A DD18275574A DD116530A1 DD 116530 A1 DD116530 A1 DD 116530A1 DD 18275574 A DD18275574 A DD 18275574A DD 18275574 A DD18275574 A DD 18275574A DD 116530 A1 DD116530 A1 DD 116530A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
-
- 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
-
- 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
- H01H2001/0026—Means for testing or for inspecting contacts, e.g. wear indicator wherein one or both contacts contain embedded contact wear signal material, e.g. radioactive material being released as soon as the contact wear reaches the embedded layer
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD18275574A DD116530A1 (zh) | 1974-12-04 | 1974-12-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD18275574A DD116530A1 (zh) | 1974-12-04 | 1974-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD116530A1 true DD116530A1 (zh) | 1975-11-20 |
Family
ID=5498288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD18275574A DD116530A1 (zh) | 1974-12-04 | 1974-12-04 |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD116530A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011573A1 (en) * | 1996-09-10 | 1998-03-19 | Nichols Bruce W | Electrical contact wear and temperature indicator |
EP1895554A1 (de) * | 2006-09-04 | 2008-03-05 | ABB Research Ltd | Elektrischer Kontakt mit Signal-Zone zum Signalisieren von Kontaktverschleiss |
-
1974
- 1974-12-04 DD DD18275574A patent/DD116530A1/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011573A1 (en) * | 1996-09-10 | 1998-03-19 | Nichols Bruce W | Electrical contact wear and temperature indicator |
EP1895554A1 (de) * | 2006-09-04 | 2008-03-05 | ABB Research Ltd | Elektrischer Kontakt mit Signal-Zone zum Signalisieren von Kontaktverschleiss |