GB283165A - Device for transmitting signals from the railway track to a moving train - Google Patents
Device for transmitting signals from the railway track to a moving trainInfo
- Publication number
- GB283165A GB283165A GB416/28A GB41628A GB283165A GB 283165 A GB283165 A GB 283165A GB 416/28 A GB416/28 A GB 416/28A GB 41628 A GB41628 A GB 41628A GB 283165 A GB283165 A GB 283165A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- track
- lamp
- relay
- generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004804 winding Methods 0.000 abstract 3
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
283,165. Allgemeine Elektricitõts- Ges. Jan. 5, 1927, [Convention date]. Track apparatus actuating signals on trains.- Electromotive force induced in a train carried circuit, including a generator of high frequency current a and a primary winding c, which coacts with a secondary winding d on the track, is applied to a glow discharge lamp l across the terminals of which there is maintained from a battery h or a generator of either direct or alternating current a voltage which is intermediate between that at which the lamp becomes luminous as the voltage is raised and that at which it ceases to glow as the voltage is reduced. When thus rendered luminous by a momentary increase of voltage on passing a. track device, the lamp continues to glow and a relay b in series therewith remains energized. Fig. 1 shows a circuit for use with a direct current generator g supplying the lamp l and relay b, the voltage induced from the track being supplied through a transformer t which may have a compensating winding 3. Fig. 2 shows a circuit in which the alternator a energizes both the primary coil c coucting with the track-coil d and the lamp l and relay b. The relay b serves also as a transformer.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE283165X | 1927-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB283165A true GB283165A (en) | 1929-05-06 |
Family
ID=6044748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB416/28A Expired GB283165A (en) | 1927-01-05 | 1928-01-05 | Device for transmitting signals from the railway track to a moving train |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB283165A (en) |
-
1928
- 1928-01-05 GB GB416/28A patent/GB283165A/en not_active Expired
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