FR333629A - Signal transmission system for electric railways - Google Patents

Signal transmission system for electric railways

Info

Publication number
FR333629A
FR333629A FR333629DA FR333629A FR 333629 A FR333629 A FR 333629A FR 333629D A FR333629D A FR 333629DA FR 333629 A FR333629 A FR 333629A
Authority
FR
France
Prior art keywords
signal transmission
transmission system
electric railways
railways
electric
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
Samuel Marsh Young
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 FR333629A publication Critical patent/FR333629A/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
    • B61L3/16—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
    • B61L3/20—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train employing different frequencies or coded pulse groups, e.g. using currents carried by traction current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR333629D 1903-07-07 1903-07-07 Signal transmission system for electric railways Expired FR333629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR333629T 1903-07-07

Publications (1)

Publication Number Publication Date
FR333629A true FR333629A (en) 1903-11-30

Family

ID=1383207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR333629D Expired FR333629A (en) 1903-07-07 1903-07-07 Signal transmission system for electric railways

Country Status (1)

Country Link
FR (1) FR333629A (en)

Similar Documents

Publication Publication Date Title
FR333629A (en) Signal transmission system for electric railways
FR319325A (en) Signal system for electric railways
FR327393A (en) Signal system for electric railways
CH29373A (en) Signal transmission installation for electric railways
FR343880A (en) Signal system for electric railways
FR350939A (en) Electrical signal system for railways
FR360543A (en) Electrical signal system for railways
FR348782A (en) Trigger system for electrical signal transmitter
FR364872A (en) Electrical signal system for railways
FR366012A (en) Electrical signal system for railways
FR323483A (en) Railway signal system
FR382510A (en) Electrical signal system for railways
FR332206A (en) Mull-jenny stripper-detacher system
FR333550A (en) Advanced telegraph or telephone system for railways
FR406064A (en) Electrical signal system for railways
FR406816A (en) Electrical signal system for railways
FR371482A (en) Electrical signal system for railway blocks
FR382574A (en) Electrical signal system for railways
FR327394A (en) Railway signal system
FR349818A (en) Railway signal system
FR347931A (en) Electrical signal system for elevators
FR334450A (en) Electrical signal system
FR332531A (en) Improvements to signal devices for railways
FR338805A (en) Improvements to signal devices for railways
FR373870A (en) Railway signal system