Method for driving opening/closing member

Details Method for driving opening/closing member Method for driving opening/closing member

1998-12-28

2000-05-30

Masih, Karen

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, 318282, 318286, 318468, 318467, 318445, 318449, G05B 1940

Patent

active

060694661

ABSTRACT:
In an opening/closing member driving method in which the rotation of a motor rotatable in two directions is transmitted through a transmission member to an opening/closing member to thereby drive a baffle 4 in an opening direction A and in a closing direction B, when driving the transmission member from an intermediate position to an original position which is set at a position where the transmission member is moved to the full in one direction or in the other direction, the transmission member is once driven in the opposite direction to the original position and is stopped at such opposite position or in the neighborhood of the opposite position and, after then, the transmission member is driven in the original position direction by an amount equivalent to the normal movement thereof and is thereby returned to the original position.

REFERENCES:
patent: 5897227 (1999-04-01), Haraguchi et al.

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