FR326338A - Improvements to electrical devices to give signals to railway engineers - Google Patents

Improvements to electrical devices to give signals to railway engineers

Info

Publication number
FR326338A
FR326338A FR326338DA FR326338A FR 326338 A FR326338 A FR 326338A FR 326338D A FR326338D A FR 326338DA FR 326338 A FR326338 A FR 326338A
Authority
FR
France
Prior art keywords
electrical devices
give signals
railway engineers
engineers
railway
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
Buck Edward Clarke
Thatcher Harry Eustace Alfred
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.)
THATCHER HARRY EUSTACE ALFRED
Original Assignee
THATCHER HARRY EUSTACE ALFRED
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 THATCHER HARRY EUSTACE ALFRED filed Critical THATCHER HARRY EUSTACE ALFRED
Application granted granted Critical
Publication of FR326338A publication Critical patent/FR326338A/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
    • B61L3/08—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 electrically
    • B61L3/10—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 electrically using current passing between devices along the route and devices on the vehicle or train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR326338D 1902-11-15 1902-11-15 Improvements to electrical devices to give signals to railway engineers Expired FR326338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR326338T 1902-11-15

Publications (1)

Publication Number Publication Date
FR326338A true FR326338A (en) 1903-05-23

Family

ID=1376435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR326338D Expired FR326338A (en) 1902-11-15 1902-11-15 Improvements to electrical devices to give signals to railway engineers

Country Status (1)

Country Link
FR (1) FR326338A (en)

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