Image detection apparatus
AssigneeOlympus Optical Co., Ltd.
InventorYuichiro Matsuo
Life of this patent
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Abstract
While a pinhole disk with pinholes is being rotated, a confocal image of a surface of a sample, which has passed through the pinholes, is imaged by a CCD camera. A vertical sync signal extraction circuit extracts a vertical sync signal from an image signal output from the CCD camera. A photodetector element senses the rotational state of the pinhole disk. A phase sync circuit synchronizes the phase of the vertical sync signal from the vertical sync signal extraction circuit with the phase of a sensor signal from the photodetector element, thereby controlling a drive motor for driving the pinhole disk.
Claims18
An image detection apparatus comprising:
- a rotary member having a light-transmission pattern;
- a rotary drive unit for driving the rotary member;
- a first imaging unit for detecting an image which has passed through the light-transmission pattern of the rotary member, and outputs an image signal representing the detected image;
- a sync signal generator for generating a sync signal at a predetermined cycle;
- a rotational state sensing unit for sensing the rotational state of the rotary member and outputs a sensor signal;
- and
- a control circuit for comparing the sensor signal and the sync signal and controlling the rotary drive unit such that the sensor signal is synchronized with the sync signal.
Dependencies are inferred from the claim text.