FR674104A - - Google Patents
Info
- Publication number
- FR674104A FR674104A FR674104DA FR674104A FR 674104 A FR674104 A FR 674104A FR 674104D A FR674104D A FR 674104DA FR 674104 A FR674104 A FR 674104A
- Authority
- FR
- France
- 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
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 vehicle train, e.g. to release brake, to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, 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 vehicle train, e.g. to release brake, 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 vehicle train, e.g. to release brake, 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 vehicle train, e.g. to release brake, 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR674104A true FR674104A (en) | 1930-02-28 |
Family
ID=1543585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR674104D Expired FR674104A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR674104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272980A (en) * | 1963-02-25 | 1966-09-13 | Gen Signal Corp | Intermittent train control system |
-
0
- FR FR674104D patent/FR674104A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272980A (en) * | 1963-02-25 | 1966-09-13 | Gen Signal Corp | Intermittent train control system |