Railways – Amusement – Racing
Patent
1997-01-03
1998-07-21
Le, Mark T.
Railways
Amusement
Racing
104305, 104 53, 191 22R, 238 10F, A63G 3100
Patent
active
057821860
ABSTRACT:
A model vehicle course is laid out along a non-conductive, printable substrate such as a heavy paper or plastic, which is typically, but not necessarily, non-rigid. First and second conductive deposits are made along at least one of the surfaces of the substrate extending, mutually spaced-apart, along the path for each vehicle accommodated by the given layout to supply electrical energization to the vehicle as it traverses the course. In one presently preferred embodiment of the invention, the conductive deposits constitute conductive ink layers emplaced by a conventional printing step. The characteristics of the conductive ink selected for use and the concentration--width and thickness--of its deposits are controlled to ensure a sufficiently low resistance along the lengths of the conductive deposits feeding a given vehicle as to establish the desired performance at the furthest distance from feed points at which a detachable control unit/power supply is coupled to the conductive deposits, preferably by conductive traces printed on a lower surface of the substrate. Various sensors and output devices are similarly connected to the control unit to provide sound effects and lap/time information. In one embodiment, a plurality of detachable control units are employed to permit a corresponding plurality of operators to compete, each controlling a given model vehicle. This embodiment has the added advantage of permitting the substitution of different courses without the necessity for duplicating the control units.
REFERENCES:
patent: 3202109 (1965-08-01), Stewart
patent: 3288368 (1966-11-01), Athearn
patent: 3395861 (1968-08-01), Kindred
patent: 3424379 (1969-01-01), Giammarino et al.
patent: 3780235 (1973-12-01), Deyerl et al.
patent: 3874301 (1975-04-01), Alimanestianu
patent: 4349196 (1982-09-01), Smith et al.
Futech Educational Products, Inc.
Le Mark T.
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