Tomra Systems Asa

Johnny Njåstad

Tom Lunde

Geir Saether

Ronald Sivertsen

Tom Øystein Kavli

Geir Sæther

Tom ØYstein Kavli

A fraud detection system for a reverse vending machine, the system including: a detector adapted to detect at least one container entered into the reverse vending machine; a compactor load sensor adapted to measure load of a compactor of the reverse vending machine during operation, wherein the compactor is adapted to compact entered containers downstream of the detector; and a compactor load sensor monitoring device configured to determine whether the detected at least one container is compacted as expected based on the load measured by the compactor load sensor.

Fraud detection system and method

A fraud detection system for a reverse vending machine, the system including: a detector adapted to detect at least one container entered into the reverse vending machine; a compactor load sensor adapted to measure load of a compactor of the reverse vending machine during operation, wherein the compactor is adapted to compact entered containers downstream of said detector; and a compactor load sensor monitoring device configured to determine whether the detected at least one container is compacted as expected based on the load measured by the compactor load sensor.

A reverse vending machine, including: a chamber adapted to receive an object returned to the reverse vending machine; a plurality of cameras arranged around the perimeter of the chamber for viewing said object; a transparent or translucent plate arranged such that the cameras in use view the object obliquely through the transparent or translucent plate; and means adapted to couple light into the plate such that the light undergoes total internal reflection in the plate. Also, a method of detecting dirt in a reverse vending machine.

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Oslo, Norway

Johnny Njåstad