Image stabilization control circuit of image pickup apparatus
View Patent ↗An image stabilization control circuit comprises a plurality of vibration detecting elements for detecting vibration of an image pickup apparatus; a plurality of position detecting elements for detecting a position of an optical component; an analog/digital converter circuit for converting output signals of the plurality of vibration detecting elements and the plurality of position detecting elements to digital signals; and a logic circuit for generating a control signal for driving the optical component based on the output signals of the plurality of vibration detecting elements and the plurality of position detecting elements digitalized by the analog/digital converter circuit, wherein the analog/digital converter circuit digitalizes and outputs the output signal of the plurality of vibration detecting elements with respect to a plurality of axis directions, and successively digitalizes and outputs the output signal of the plurality of position detecting elements with respect to a plurality of axis directions.
1. An image stabilization control circuit,
connected to a plurality of vibration detecting elements for detecting vibration of an image pickup apparatus with respect to each of at least two axis directions, and a plurality of position detecting elements for detecting a position of an optical component with respect to each of at least two axis directions, comprising:
an analog/digital converter circuit for converting output signals of the plurality of vibration detecting elements and the plurality of position detecting elements to digital signals; and
a logic circuit for generating a control signal for driving the optical component based on the output signals of the plurality of vibration detecting elements and the plurality of position detecting elements digitalized by the analog/digital converter circuit, wherein
each of a plurality of axis directions in which the plurality of vibration detecting elements detect vibration corresponds to each of a plurality of axis directions in which the plurality of position detecting elements detect a position of the optical component,
the analog/digital converter circuit digitalizes and outputs the output signal of the plurality of vibration detecting elements with respect to one of the axis directions, and successively digitalizes and outputs the output signal of the plurality of position detecting elements with respect to an axis direction corresponding to the one of the axis directions, and
the optical component of the image pickup apparatus is driven in response to the vibration to reduce an influence of the vibration on image picking up.
2. The image stabilization control circuit according to claim 1 , wherein
the plurality of axis directions are an X axis and a Y axis orthogonal to each other.
3. An image pickup apparatus having the image stabilization control circuit according to claim 2 , comprising:
an optical component driving element connected to the image stabilization control circuit and the position detecting elements drives the optical component according to the control signal.