FR334450A - Système de signaux électriques - Google Patents

Système de signaux électriques

Info

Publication number
FR334450A
FR334450A FR334450DA FR334450A FR 334450 A FR334450 A FR 334450A FR 334450D A FR334450D A FR 334450DA FR 334450 A FR334450 A FR 334450A
Authority
FR
France
Prior art keywords
electrical signal
signal system
electrical
signal
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
English (en)
Inventor
Charles Willard Mills
William Walter Piddington
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR334450A publication Critical patent/FR334450A/fr
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
    • B61L3/16—Continuous control along the route
    • B61L3/18—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train
    • B61L3/185—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train using separate conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR334450D 1903-08-06 1903-08-06 Système de signaux électriques Expired FR334450A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334450T 1903-08-06

Publications (1)

Publication Number Publication Date
FR334450A true FR334450A (fr) 1903-12-21

Family

ID=1383978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334450D Expired FR334450A (fr) 1903-08-06 1903-08-06 Système de signaux électriques

Country Status (1)

Country Link
FR (1) FR334450A (fr)

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