Shredder and method for controlling shredder
AssigneeSeiko Epson Corporation
InventorsKiyoshi TSUJINO, Koichiro YOKOYAMA
Life of this patent
Estimating the term…
Abstract
A shredder includes a shredding unit that shreds paper into paper pieces, a tank that stores the paper pieces, a weight sensor that is provided below the tank and that measures a weight of the paper pieces inside the tank, a processor of a control unit that calculates an environmental contribution value based on the weight of the paper pieces measured by the weight sensor, and a display that displays the environmental contribution value.
Claims4
A shredder comprising:
- a shredding unit that shreds paper into paper pieces;
- a tank that stores the paper pieces;
- a weight sensor that is provided below the tank and that measures a weight of the paper pieces inside the tank;
- a processor that calculates an environmental contribution value based on the weight of the paper pieces measured by the weight sensor;
- and
- a display that displays the environmental contribution value.
A method for controlling a shredder, the shredder including a shredding unit that shreds paper into paper pieces, a tank that stores the paper pieces, a weight sensor that measures a weight of the paper pieces inside the tank, a processor, and a display, the method for controlling the shredder, comprising:
- a first step of measuring the weight of the paper pieces by the weight sensor;
- a second step of calculating, by the processor, an environmental contribution value based on the weight of the paper pieces measured by the weight sensor;
- and
- a third step of displaying the environmental contribution value on the display.
Dependencies are inferred from the claim text.