NL46719C - - Google Patents
Info
- Publication number
- NL46719C NL46719C NL46719DA NL46719C NL 46719 C NL46719 C NL 46719C NL 46719D A NL46719D A NL 46719DA NL 46719 C NL46719 C NL 46719C
- Authority
- NL
- Netherlands
- Prior art keywords
- circuit
- pilot
- relay
- winding
- rectifier
- Prior art date
Links
- 239000004020 conductor Substances 0.000 abstract 11
- 238000004804 winding Methods 0.000 abstract 11
- 230000011664 signaling Effects 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000008033 biological extinction Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/09—Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1694651A GB702230A (en) | 1951-07-17 | 1951-07-17 | Improvements relating to electric lighting systems also adapted for signalling purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL46719C true NL46719C (ru) |
Family
ID=10086510
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83016D NL83016C (ru) | 1951-07-17 | ||
| NL46719D NL46719C (ru) | 1951-07-17 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83016D NL83016C (ru) | 1951-07-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE422752A (ru) |
| GB (1) | GB702230A (ru) |
| NL (2) | NL46719C (ru) |
-
0
- NL NL83016D patent/NL83016C/xx active
- BE BE512866D patent/BE512866A/xx unknown
- NL NL46719D patent/NL46719C/xx active
- BE BE422752D patent/BE422752A/xx unknown
-
1951
- 1951-07-17 GB GB1694651A patent/GB702230A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB702230A (en) | 1954-01-13 |
| BE422752A (ru) | |
| BE512866A (ru) | |
| NL83016C (ru) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2660717A (en) | Electrical ground detector | |
| CN104321942B (zh) | 可探测多种电弧及过负载来切断供电的电源切断装置 | |
| US3991320A (en) | Electric branch-line combiner | |
| US2011381A (en) | Electrical system providing sequence operation | |
| NL83016C (ru) | ||
| GB433887A (en) | Improvements in electric protective systems | |
| CN205723317U (zh) | 一种防止合闸线圈烧毁的sf6断路器弹簧机构合闸控制回路 | |
| GB289538A (en) | Improvements relating to leakage indicators for alternating current circuits | |
| US1297945A (en) | Automatically-extinguishing electric-lighting system. | |
| CN208861555U (zh) | 带电挂接地线体感装置 | |
| GB679789A (en) | Improvements in and relating to earth leakage protection for single phase a.c. circuits | |
| CN204598444U (zh) | 电力配网系统智能化变电站测控柜上的高起辉值指示灯具 | |
| CN211478892U (zh) | 接地装置和道岔转换装置 | |
| GB632909A (en) | Improvements relating to switch-operated electric lighting and signalling systems | |
| JP3222720U (ja) | 配線用遮断器（１） | |
| US1870784A (en) | Alternating current distribution system | |
| CN204464853U (zh) | 高压开关柜模拟状态智能操控仪 | |
| SU41881A1 (ru) | Способ наблюдени за распределением активной и реактивной мощности в электрических сет х | |
| US2560771A (en) | Protective circuit for gaseous conduction tubing | |
| US2546443A (en) | Insulation and load supervisory system | |
| GB549679A (en) | Improvements in or relating to control and protective systems for electrical apparatus | |
| SU702449A1 (ru) | Устройство дл защиты от повреждени нескольких трехфазных потребителей | |
| SU22534A1 (ru) | Устройство дл электрической пожарной и тревожной сигнализации | |
| GB412235A (en) | Improvements in and relating to electrical systems for providing a sequence of operations | |
| GB521807A (en) | Improvements in or relating to control and protective systems for electrical apparatus |