Patent ID: 11939176
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A sheet storage device comprising:
a body;
a tray vertically repositionable relative to the body and configured to support a sheet placed on the tray;
a rotating member configured to rotate in conjunction with a vertical movement of the tray;
an angle sensor configured to detect a rotation angle of the rotating member, the angle sensor including a magnet configured to rotate with the rotating member, and a plurality of magneto-resistance effect elements configured to output detection signals corresponding to a change in a magnetic field caused by a rotation of the magnet; and
a controller operatively coupled to the angle sensor and configured to determine a remaining number of sheets placed on the tray based on a detection result of the angle sensor, wherein
the plurality of magneto-resistance effect elements are configured to output detection signals having phase differences from each other.