B61L7/088- Common line wire control using series of coded pulses.B61L7/06- Remote control of local operating means for points, signals, or trackmounted scotch-blocks using electrical transmission.B61L7/00- Remote control of local operating means for points, signals, or trackmounted scotch-blocks.B61L- GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC.238000006011 modification reaction Methods 0.000 description 2.230000005540 biological transmission Effects 0.000 description 8.235000019832 sodium triphosphate Nutrition 0.000 description 12. 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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc Priority to US599673A priority Critical patent/US2510324A/en Application granted granted Critical Publication of US2510324A publication Critical patent/US2510324A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Union Switch and Signal Inc 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 or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US599673A Inventor Henry A Talbert Current Assignee (The listed assignees may be inaccurate. Google Patents Outlying track switch control for centralized traffic control systems of the coded track circuit typeĭownload PDF Info Publication number US2510324A US2510324A US599673A US59967345A US2510324A US 2510324 A US2510324 A US 2510324A US 599673 A US599673 A US 599673A US 59967345 A US59967345 A US 59967345A US 2510324 A US2510324 A US 2510324A Authority US United States Prior art keywords relay track switch block energized Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2510324A - Outlying track switch control for centralized traffic control systems of the coded track circuit type Using the existing EBI Track 200 / EBI Track 300 infrastructure, these ‘next generation’ products greatly ease the design of complex applications.US2510324A - Outlying track switch control for centralized traffic control systems of the coded track circuit type The EBI Track 400 track circuit uses multi-bit coded telegrams to guarantee immunity from traction interference and ‘false feed’ hazards. It is especially useful where applications of conventional jointed or jointless track circuits is too expensive or impossible for technical reasons (low resistance of track substructure, gaps, low impedance between stretches of rails) or for operational-related reasons (difficulty in ensuring proper track maintenance).ĮBI Track 400 / Coded audio frequency jointless track circuitĮBI Track 400 is a coded audio frequency jointless track circuit for main line or mass transit applications. It is a flexible system and can be installed on various types of rails irrespective of the traction and type of rolling stock. EBI Track 2000 is used for mass transit, industrial and main line applications. EBI Track 2000 / Axle counter system (SOL-3)ĮBI Track 2000 axle counter system is used for detecting non-occupancy of track sections, turnouts and sidings, based on information received from wheel detectors.
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