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AssigneeUnispectral Ltd.
InventorsPeleg LEVIN, Eliahu Chaim ASHKENAZI, Ariel RAZ
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The present disclosure provides, among other aspects, a technique, employed in a system and method, for monitoring a state of a tunable optical filter, typically a MEMS tunable filter such as a Fabry-Perot filter. The technique utilizes application of an actuation voltage signal characterized by a first component configured for causing a movement of a movable optical member of the tunable filter and a second component configured for being responsive for each given state of the tunable filter, i.e each optical gap results in a different response of the second component. The response of the second component to the state of the tunable filter, i.e. its variation profile from the original applied second component of the voltage signal is being indicative of the state of the tunable filter.
A system for monitoring a state of a tunable filter that comprises a first and second optical members, at least the first member is movable with respect to the second member upon application of voltage difference between first actuation regions thereon and respective second actuation regions on the second member, the system comprising:
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A method for monitoring and/or controlling a state of a tunable filter that comprises a first and second optical members, at least the first member is movable with respect to the second member upon application of voltage difference between first actuation regions thereon and respective second actuation regions on the second member, comprising:
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A tunable filter, comprising:
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A method for operating a device that comprises a microelectromechanical (MEMS) tunable filter and an image sensor, the method comprises:
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A non-transitory computer readable medium that stores instructions for executing a method of. monitoring and/or controlling a state of a tunable filter that comprises a first and second optical members, at least the first member is movable with respect to the second member upon application of voltage difference between first actuation regions thereon and respective second actuation regions on the second member, comprising:
Dependencies are inferred from the claim text.