BE457604A - - Google Patents
Info
- Publication number
- BE457604A BE457604A BE457604DA BE457604A BE 457604 A BE457604 A BE 457604A BE 457604D A BE457604D A BE 457604DA BE 457604 A BE457604 A BE 457604A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- relays
- circuit
- combiner
- contact
- Prior art date
Links
- 230000011664 signaling Effects 0.000 claims description 7
- 210000000056 organ Anatomy 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- 101000794560 Arbacia punctulata Calmodulin-beta Proteins 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
- B61L7/08—Circuitry
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Selective Calling Equipment (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457604A true BE457604A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=111038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457604D BE457604A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE457604A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- BE BE457604D patent/BE457604A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE457604A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| US1226184A (en) | Electrical selector. | |
| US2396756A (en) | Music reproduction system | |
| US1227523A (en) | Phonographic time-announcer. | |
| US1142252A (en) | Remote-control high-potential switch. | |
| US888153A (en) | System for selecting one of several receivers connected to a common conductor. | |
| US2489638A (en) | Arrangement for switching on and initiating processes by means of telephone calls | |
| US2542880A (en) | Condition-responsive apparatus for calling preselected telephone numbers | |
| US2512652A (en) | Selective remote signaling system | |
| US1206761A (en) | Telephone systems. | |
| US1233037A (en) | Fire-alarm system for telephone-exchanges using line-distributers. | |
| US1375059A (en) | Signal system | |
| US1027053A (en) | Combined automatic telephone-exchange and fire-alarm system. | |
| US1225935A (en) | Fire-alarm telephone transmitting mechanism. | |
| US1007544A (en) | Police signal system. | |
| US1007545A (en) | Signal system. | |
| US299561A (en) | Method of and apparatus for individualizing telephone time-signals | |
| BE731310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE726252C (de) | Schaltungsanordnung zur Kontrolle von ueber Fernsprechleitungen gegebenen Meldungen mit Hilfe der Komplementaerwahl | |
| US1075258A (en) | Telephony. | |
| US991260A (en) | Automatic telephone system. | |
| US1107138A (en) | Automatic telephone-exchange system. | |
| US1174434A (en) | Telephone pay-station. | |
| US1154929A (en) | Signaling system. | |
| US483768A (en) | Police-telegraph system |