Inner-force providing input device having a power-operated...

Details Inner-force providing input device having a power-operated... Inner-force providing input device having a power-operated...

2005-01-04

2005-01-04

Ip, Paul (Department: 2837)

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

C318S432000, C318S434000, C318S562000, C360S013000, C360S013000, C188S267100, C335S253000, C345S156000, C345S184000

Reexamination Certificate

active

06838851

ABSTRACT:
Under electric control of a motor by a CPU, before the rotation angle of a rotary knob reaches a predetermined angle (20°, 40°, 60°, . . . 360°), a torque in the same direction as a rotational direction is provided from the motor to the rotary knob, and the torque is decreased from a maximum value to zero. When the rotation angle of the rotary knob reaches a predetermined angle, a torque product is provided to the rotary knob depending upon an angular velocity of the rotary knob. After the rotation angle of the rotary knob exceeds a predetermined rotation angle, a torque in the reverse direction to a rotational direction is provided to the rotary knob, and the torque is increased from zero to a maximum value.

REFERENCES:
patent: 4402246 (1983-09-01), Sekiguchi
patent: 5220260 (1993-06-01), Schuler
patent: 5381080 (1995-01-01), Schnell et al.
patent: 5944151 (1999-08-01), Jakobs et al.
patent: 6154201 (2000-11-01), Levin et al.
patent: 6278439 (2001-08-01), Rosenberg et al.
patent: 6636197 (2003-10-01), Goldenberg et al.
patent: 6686911 (2004-02-01), Levin et al.
patent: 20040032395 (2004-02-01), Goldenberg et al.
patent: 20040100440 (2004-05-01), Levin et al.

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