FR90852E - Safety device for railway operation - Google Patents

Safety device for railway operation

Info

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
Application number
FR877072A
Other languages
French (fr)
Inventor
Pierre Rene Haas
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to FR877072A priority Critical patent/FR90852E/en
Priority to CH1235862A priority patent/CH394279A/en
Priority to DE19621455357 priority patent/DE1455357A1/en
Application granted granted Critical
Publication of FR90852E publication Critical patent/FR90852E/en
Expired legal-status Critical Current

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)
FR877072A 1961-10-25 1961-10-25 Safety device for railway operation Expired FR90852E (en)

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)

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