FR999168A - - Google Patents
Info
- Publication number
- FR999168A FR999168A FR999168DA FR999168A FR 999168 A FR999168 A FR 999168A FR 999168D A FR999168D A FR 999168DA FR 999168 A FR999168 A FR 999168A
- 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
- 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
- B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
- B61L7/103—Electric control of the setting of signals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR999168A true FR999168A (tr) | 1952-01-25 |
Family
ID=1567135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR999168D Expired FR999168A (tr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR999168A (tr) |
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0
- FR FR999168D patent/FR999168A/fr not_active Expired