CHANGE OF BANDWIDTH IN A CELLULAR COMMUNICATIONS SYSTEM

WIPO Patent Application WO2001052960

A3

Each of first vehicles has an individual address dependent upon an insertion of a selective one of different keys into a socket in the vehicle. Each vehicle is movable in any desired direction on a first support structure formed by intercoupling male detents on first beams and female detents on other beams, all of an identical construction, and by intercoupling the male detents to female detents on blocks, all of an identical construction. The first support structure may be, intercoupled with a second support structure formed by intercoupling beams and blocks of the same types as the beams and blocks in the first structure. The second structure defines a track on which an additional vehicle addressable as discussed above is movable in first and second opposite directions. The additional vehicle has rollers for driving the vehicle on the track and has guides disposed contiguous to the side surfaces of the track for retaining the vehicle on the track during the vehicle movement on the track. Each of a plurality of manually operated pads generates signals for addressing any unaddressed vehicle and for providing movements of, the vehicle when addressed. Each pad communicates the pad-generated signals to a connected central station. The central station communicates these signals by wireless to the vehicles.

ALDRED DANIEL J
BARTON WILLIAM M JR
DEANGELIS PETER C
EICHEN PAUL

PCT/US2001/001848

March 07, 2002

January 19, 2001

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ROKENBOK TOY COMPANY (US)

A63H17/00; A63H18/02; A63H19/22; A63H30/04; A63H33/30; (IPC1-7): H04Q7/38

US5989096A	1999-11-23
DE19627954A1	1998-01-22

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