FR17720E - Automatic alarm device for train protection - Google Patents

Automatic alarm device for train protection

Info

Publication number
FR17720E
FR17720E FR17720DA FR17720E FR 17720 E FR17720 E FR 17720E FR 17720D A FR17720D A FR 17720DA FR 17720 E FR17720 E FR 17720E
Authority
FR
France
Prior art keywords
alarm device
automatic alarm
train protection
train
protection
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
Other languages
French (fr)
Inventor
Theophile-Auguste Ayrivie
Antoine Boissy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANTOINE BOISSY
THEOPHILE AUGUSTE AYRIVIE
Original Assignee
ANTOINE BOISSY
THEOPHILE AUGUSTE AYRIVIE
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 by ANTOINE BOISSY, THEOPHILE AUGUSTE AYRIVIE filed Critical ANTOINE BOISSY
Application granted granted Critical
Publication of FR17720E publication Critical patent/FR17720E/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
    • B61L3/04—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 mechanically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR17720D 1911-05-18 1913-05-20 Automatic alarm device for train protection Expired FR17720E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR429917T 1911-05-18
FR17720T 1913-05-20

Publications (1)

Publication Number Publication Date
FR17720E true FR17720E (en) 1913-11-13

Family

ID=1359183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17720D Expired FR17720E (en) 1911-05-18 1913-05-20 Automatic alarm device for train protection

Country Status (1)

Country Link
FR (1) FR17720E (en)

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