Rotary input apparatus including a permanent magnet ring, an...

Details Rotary input apparatus including a permanent magnet ring, an... Rotary input apparatus including a permanent magnet ring, an...

2008-05-20

2008-05-20

Patidar, Jay M (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200

Reexamination Certificate

active

07375512

ABSTRACT:
A rotary input apparatus is disclosed. As the rotary input apparatus comprises a rotatable wheel; a magnet joined to a surface of the wheel to co-operate with the wheel and magnetized to have alternating N- and S-poles; an electromagnet part positioned facing the magnet and magnetized to have at least N- or S-pole; a printed circuit board, to which the electromagnet part is joined, including a driving part which supplies an electrical current to the electromagnet part, and a detection element which receives electrical power from the driving part for operation, is positioned facing the magnet, and which detects the rotation of the magnet; a control part which receives a signal and controls the operation of the driving part in correspondence with the received signal; and a base to which the printed circuit board is secured, various types of input may be made through the rotation speed, direction, and angle, etc., and rotation or vibration may be obtained from electrical external signals, to provide an improved visual service.

REFERENCES:
patent: 6367337 (2002-04-01), Schlabach
patent: 6396259 (2002-05-01), Washeleski et al.
patent: 6836039 (2004-12-01), Choi et al.
patent: 6864679 (2005-03-01), Yokoji et al.
patent: 7095198 (2006-08-01), O'Brien
patent: 7322115 (2008-01-01), Besier et al.
patent: 2003/0019113 (2003-01-01), Kofink et al.
patent: 2005/0022617 (2005-02-01), Sano

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