DEVICE FOR INFORMATION RETRIEVAL Russian patent published in 1998 - IPC

FIELD: computer engineering, in particular, automatic systems for information about train schedule. SUBSTANCE: device has request input unit 1, information board 2, timer 3, voice synthesizer 4, loudspeaker 5, controller 6, memory unit 12, programmed read-only memory unit 13, communication channel interface 14. This results in possibility of automatic information providing about departure time and station of nearest and next trains to destination station, visual and acoustic data, on-line account of alternations in train schedule, decreased time for schedule correction, decreased complexity of input of correction and additional information. EFFECT: increased field of application. 5 dwg