CA533900A - Single track railway signal systems using normally deenergized coded track circuits - Google Patents

Single track railway signal systems using normally deenergized coded track circuits

Info

Publication number
CA533900A
CA533900A CA533900A CA533900DA CA533900A CA 533900 A CA533900 A CA 533900A CA 533900 A CA533900 A CA 533900A CA 533900D A CA533900D A CA 533900DA CA 533900 A CA533900 A CA 533900A
Authority
CA
Canada
Prior art keywords
railway signal
signal systems
coded
normally deenergized
track
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
CA533900A
Other languages
French (fr)
Inventor
W. Tizzard Thomas
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Publication date
Application granted granted Critical
Publication of CA533900A publication Critical patent/CA533900A/en
Expired legal-status Critical Current

Links

CA533900A Single track railway signal systems using normally deenergized coded track circuits Expired CA533900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA533900T

Publications (1)

Publication Number Publication Date
CA533900A true CA533900A (en) 1956-11-27

Family

ID=35688519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA533900A Expired CA533900A (en) Single track railway signal systems using normally deenergized coded track circuits

Country Status (1)

Country Link
CA (1) CA533900A (en)

Similar Documents

Publication Publication Date Title
CA533900A (en) Single track railway signal systems using normally deenergized coded track circuits
CA526640A (en) Single track railroad signal system using coded track circuits
CA505228A (en) Normally deenergized coded track circuit signaling systems
CA482892A (en) Normally deenergized coded track circuit signalling systems
CA508661A (en) Coded track circuit railway signaling system
CA521318A (en) Coded track circuit signalling systems
CA523540A (en) Railway signaling systems
CA502074A (en) Coded track circuit signalling systems
CA539453A (en) Directional relay circuits for coded railway signaling systems
CA549529A (en) Railroad safety signal system
CA530625A (en) Railway signal control system
CA533177A (en) Railway signal control system
CA504704A (en) Railway signaling systems
CA504705A (en) Railway signal control systems
CA504706A (en) Railway signal control systems
CA505230A (en) Railway signal control systems
CA604918A (en) Railway axle counting system
AU220438B2 (en) Direct current track circuits for use in railway signalling systems
AU220491B2 (en) Direct current track circuits for use in railway signalling systems
CA569987A (en) Coded track circuit railway signaling systems
CA542857A (en) Two wire-four indication railway signal control system
AU203869B2 (en) Improvements relating to coded track signalling systems for railways
CA586631A (en) Two-direction coded track circuit control for railway signals
CA922011A (en) Control circuits for railroad car retarders
AU220437B2 (en) Alternating current track circuits for railway signalling systems