B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
346/44
B61L 3/20 (2006.01) B61L 25/06 (2006.01) B61L 27/00 (2006.01)
Patent
CA 1094672
Abstract of the Disclosure A control system including apparatus for the trans- mission of information for the control of vehicles travelling in one direction on a guideway. The guideway is broken down into a plurality of groups of uniquely identified se- quential blocks. Each block has at least one vehicle detector for detecting the presence of a vehicle and having an operated condition responsive to vehicle detection. Each block further includes a transmitter for providing, to a vehicle within the block, information concerning the block it is in as well as information regarding the indentity of the next downstream occupied or unavailable block. To this end, each block has associated with it a word generator for producing a signal identifying the block; the word generator is coupled to the block transmitter, which transmitter is only enabled when the vehicle detector is in its operated condition. A communication channel extends in a direction opposite to the direction of travel on the guideway, and each block includes a coupler for coupling the portion of the communication channel co-extensive with the block to the adjacent upstream block. The coupler is responsive to the condition of the vehicle detector for maintaining a connection between the communication channel in the block with the communication channel of the next upstream block, when the vehicle detector is not operated. When the vehicle detector is operated, the coupler connects the output of the word generator to the next upstream block. The transmitter of each block receives another input from the communication channel. In this fashion, a vehicle in any block receives a signal indentifying the next downstream occupied block as well as a signal indentifying the block it is in. For further refining vehicle control, a vehicle may also transmit to the wayside its position or position and speed, within a block, and this information can be trans- mitted on the communication channel to a next adjacent upstream vehicle in a similar fashion.
302244
Auer John H. Jr.
Svet Frank A. Jr.
Borden Ladner Gervais Llp
General Signal Corporation
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