Flexure guidance system
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United States of America Patent
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Sep 27, 2022
Grant Date -
N/A
app pub date -
May 24, 2019
filing date -
May 24, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A flexure based guidance system for precision motion control includes a base that is fixed in position, a carriage that can move relative to the base, an actuator provides the force to move the carriage relative to the base, and one or more flexures arrays that each comprise two or more leaf flexure elements. The actuator causes the carriage to move relative to the base, which causes the flexure elements in the flexure array to flex. The leaf flexure elements are thin, compliant and deform, bend, or deflect in a deterministic manner when mechanically stressed. In some embodiments, stiffeners can be added to the flexures. The guidance system can be integrated into a varifocal head mounted display (HMD) to adjust a location of one or moveable elements in an optical system of the HMD to control a location of an image plane.
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International Classification(s)
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- B81B:MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-ME....
- F16D:COUPLINGS FOR TRANSMITTING ROTATION
- F16F:SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRAT....
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