DD133872A1 - DEVICE FOR DETECTING AND TRANSMITTING THE SWITCHING MESSAGE - Google Patents
DEVICE FOR DETECTING AND TRANSMITTING THE SWITCHING MESSAGEInfo
- Publication number
- DD133872A1 DD133872A1 DD20272677A DD20272677A DD133872A1 DD 133872 A1 DD133872 A1 DD 133872A1 DD 20272677 A DD20272677 A DD 20272677A DD 20272677 A DD20272677 A DD 20272677A DD 133872 A1 DD133872 A1 DD 133872A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- transmitting
- detecting
- switching message
- message
- switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/168—Indicators for switching condition, e.g. "on" or "off" making use of an electromagnetic wave communication
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20272677A DD133872A1 (en) | 1977-12-16 | 1977-12-16 | DEVICE FOR DETECTING AND TRANSMITTING THE SWITCHING MESSAGE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20272677A DD133872A1 (en) | 1977-12-16 | 1977-12-16 | DEVICE FOR DETECTING AND TRANSMITTING THE SWITCHING MESSAGE |
Publications (1)
Publication Number | Publication Date |
---|---|
DD133872A1 true DD133872A1 (en) | 1979-01-24 |
Family
ID=5510915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD20272677A DD133872A1 (en) | 1977-12-16 | 1977-12-16 | DEVICE FOR DETECTING AND TRANSMITTING THE SWITCHING MESSAGE |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD133872A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19547524C1 (en) * | 1995-12-08 | 1996-11-21 | Siemens Ag | Optical monitoring system for functional testing of HV or MV switch |
DE19708460C1 (en) * | 1997-02-18 | 1998-02-26 | Siemens Ag | Switchgear switch position detection device |
-
1977
- 1977-12-16 DD DD20272677A patent/DD133872A1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19547524C1 (en) * | 1995-12-08 | 1996-11-21 | Siemens Ag | Optical monitoring system for functional testing of HV or MV switch |
DE19708460C1 (en) * | 1997-02-18 | 1998-02-26 | Siemens Ag | Switchgear switch position detection device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |