Rotary manipulation type input apparatus

Details Rotary manipulation type input apparatus Rotary manipulation type input apparatus

2006-10-13

2008-08-26

Patidar, Jay M (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207210, C324S207200

Reexamination Certificate

active

07417422

ABSTRACT:
A rotary manipulation type input apparatus includes: a rotatable wheel; a first magnet joined to a side of the wheel for cooperation with the wheel and magnetized to have N- and S-poles; a detection element, positioned to face the first magnet, for detecting changes in magnetism; a second magnet positioned to face the first magnet; a printed circuit board, on which the detection element and the second magnet are mounted; a base, to which the printed circuit board is secured; and a holder joined to the base and interposed between the wheel and the base to rotatably support the wheel. Here, the second magnet is an electromagnet, and the printed circuit board has a circuit for regulating the amount of current delivered to the second magnet. The apparatus allows the user to decide whether or not to create click sensations and to regulate the magnitude of the click sensations.

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