FR90852E - Safety device for railway operation - Google Patents
Safety device for railway operationInfo
- Publication number
- FR90852E FR90852E FR877072A FR877072A FR90852E FR 90852 E FR90852 E FR 90852E FR 877072 A FR877072 A FR 877072A FR 877072 A FR877072 A FR 877072A FR 90852 E FR90852 E FR 90852E
- Authority
- FR
- France
- Prior art keywords
- safety device
- railway operation
- railway
- safety
- 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
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
- B61L3/06—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 by electromagnetic or particle radiation, e.g. by light beam
- B61L3/065—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 by electromagnetic or particle radiation, e.g. by light beam controlling optically
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR877072A FR90852E (en) | 1961-10-25 | 1961-10-25 | Safety device for railway operation |
CH1235862A CH394279A (en) | 1961-10-25 | 1962-10-22 | Information transmission device for railway operations |
DE19621455357 DE1455357A1 (en) | 1961-10-25 | 1962-10-23 | Equipment for the transmission of information in the railway sector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR877072A FR90852E (en) | 1961-10-25 | 1961-10-25 | Safety device for railway operation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR90852E true FR90852E (en) | 1968-03-01 |
Family
ID=8765401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR877072A Expired FR90852E (en) | 1961-10-25 | 1961-10-25 | Safety device for railway operation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR90852E (en) |
-
1961
- 1961-10-25 FR FR877072A patent/FR90852E/en not_active Expired
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