MEMS CONTROL CIRCUIT AND PROJECTOR

A micro electro mechanical systems (MEMS) control circuit includes a memory and a processor coupled to the memory and the processor configured to obtain an amplitude mean value of a monitor signal representing an amplitude in a direction of a horizontal axis of an MEMS device every unit time, compar...

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Bibliographische Detailangaben
Hauptverfasser:	UJIIE, Yusuke, Kawasoe, Nobuaki, FURUYA, Akiko, KATOU, TOMOKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS TRANSPORTING
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Beschreibung
Zusammenfassung:	A micro electro mechanical systems (MEMS) control circuit includes a memory and a processor coupled to the memory and the processor configured to obtain an amplitude mean value of a monitor signal representing an amplitude in a direction of a horizontal axis of an MEMS device every unit time, compare the amplitude mean value with a reference value, and change a driving frequency of the MEMS device in a case where identical comparison results last consecutively a predetermined number of times.