LASER CONTROL IN SCANNERS
First Claim
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1. A device comprising:
- a laser source to generate a laser pulse;
a scanner connected to the laser source;
a motion detector to detect a motion of the scanner when the laser pulse scans an object, wherein the motion detector comprises an optical sensor to generate a first optical signal and receive a second optical signal from an encoder based on the motion of the scanner; and
a controller communicatively coupled to the motion detector to disable the laser source when the scanner ceases to move.
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Abstract
An example device including a laser source for generating a laser pulse, a scanner for mounting the laser source, and a motion detector for detecting a motion of the scanner when the laser pulse scans an object. The motion detector includes an optical sensor for generating an optical signal based on the motion of the scanner, and a controller. The controller determines a movement of the scanner and disables the laser source when the scanner ceases to move.
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Citations
15 Claims
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1. A device comprising:
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a laser source to generate a laser pulse; a scanner connected to the laser source; a motion detector to detect a motion of the scanner when the laser pulse scans an object, wherein the motion detector comprises an optical sensor to generate a first optical signal and receive a second optical signal from an encoder based on the motion of the scanner; and a controller communicatively coupled to the motion detector to disable the laser source when the scanner ceases to move. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device comprising:
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a laser source to generate a laser pulse, wherein the laser source is mounted on a scanning device; an optical sensor to; determine whether the scanning device is moving; and generate a first output comprising an electrical pulse series when the scanning device is moving; a low pass filter to filter the first output from the optical sensor; and a first controller to enable or disable the laser source using a second output from the low pass filter. - View Dependent Claims (8, 9, 10, 11)
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12. A non-transitory computer readable medium comprising instructions that when executed cause a controller of an electronic device to:
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control a laser source to generate a laser pulse for scanning an object; control an optical sensor to generate a first optical signal transmitted to a scanner; filter a series of electrical pulses generated by the optical sensor in response to receiving a second optical signal from the scanner; compare a result of the filtering with a predetermined threshold level; determine a state of movement of the scanner when the result of the filtering is different than the predetermined threshold; and control an operation of the laser source based on a detected state of movement of the scanner. - View Dependent Claims (13, 14, 15)
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Specification