Optical detecting device and related method of adjusting synchronization
AssigneePixart Imaging Inc.
InventorsHan-Ping Cheng, Chia-Cheun Liang, Ming-Tsan Kao
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Abstract
A method of an optical detecting device for synchronizing an exposure timing sequence of an image detector with a light emitting timing sequence of a reference light source is disclosed. The method includes capturing a continued image set according to a predetermined period, analyzing intensity variation of the continued image set, and adjusting the exposure timing sequence of an image detector according to the intensity variation, so as to synchronize the exposure timing sequence of the image detector with the light emitting timing sequence of the reference light source.
Claims30
A method of an optical detecting device for synchronizing an exposure timing sequence of an image detector with a light emitting timing sequence of a reference light source, the method comprising:
- capturing a continued image set according to a predetermined period;
- analyzing intensity variation of the continued image set;
- and
- adjusting the exposure timing sequence of the image detector according to the intensity variation so as to synchronize the exposure timing sequence of the image detector with the light emitting timing sequence of the reference light source.
An optical detecting device for reading a reference light source to filter noise, the optical detecting device comprising:
- an image detector for capturing a continued image set according to a predetermined period;
- and
- a control unit electrically connected to the image detector, the control unit analyzing intensity variation of the continued image set, and adjusting an exposure timing sequence of the image detector according to the intensity variation so as to synchronize the exposure timing sequence of the image detector with a light emitting timing sequence of the reference light source.
An optical detecting device for reading a reference light source to filter noise, the optical detecting device comprising:
- an image detector having a first operation mode and a second operation mode, an exposure timing sequence of the first operation mode being greater than an exposure timing sequence of the second operation mode;
- and
- a control unit electrically connected to the image detector, the control unit switching the image detector into the first operation mode to capture a continued image set according to a predetermine period, analyzing intensity variation of the continued image set, and adjusting the exposure timing sequence of the image detector according to the intensity variation so as to synchronize the exposure timing sequence of the image detector with a light emitting timing sequence of the reference light source;
- wherein the control unit switches the image detector into the second operation mode when the exposure timing sequence of the image detector and the light emitting timing sequence of the reference light source are in synchronization.
Dependencies are inferred from the claim text.