Coordinated axis seeks with a micro-electro-mechanical mirror

Details Coordinated axis seeks with a micro-electro-mechanical mirror Coordinated axis seeks with a micro-electro-mechanical mirror

2005-01-25

2005-01-25

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Switch

C359S566000, C385S147000

Reexamination Certificate

active

06847754

ABSTRACT:
A method of moving a MEM system mirror in a well defined trajectory that allows longer seeks to be used to reach a target position as compared with known methods that employ small step sizes due to lack of well defined seek trajectories. One method uses the same seek trajectory (scaled in amplitude for seek length) for both axes (x-axis and y-axis) associated with the MEM mirror. This forces both axes to take the same length of time and to use the same “shape” to perform the move, and results in a straight line path between two points. Multiple straight line moves can be employed to provide a more complex trajectory. Another method uses a different trajectory with the same length, but a different shape, for each axis to force the MEM mirror along substantially any desired path such as an arc and/or straight line, among others.

REFERENCES:
patent: 6408120 (2002-06-01), Dautartas
patent: 6424757 (2002-07-01), Sparks et al.
patent: 6427038 (2002-07-01), Britz et al.
patent: 6535663 (2003-03-01), Chertkow
patent: 20020122616 (2002-09-01), Burns
patent: 20020171953 (2002-11-01), Yang
patent: 20040028320 (2004-02-01), Schroeder et al.

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