Laser operation for survey instruments
First Claim
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1. A method of automatically selecting operating parameters for a surveying instrument, comprising the steps of:
- measuring a current environmental value for at least one environmental parameter outside the surveying instrument;
selecting a range of test values for at least one operating parameter using the current environmental value;
firing series of test pulses using test values selected from the range of test values;
measuring an average delay for each series of test pulses; and
using the average delay to select optimal test values and setting those optimal test values as the operating parameters for the surveying instrument.
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Abstract
The performance of a laser scanner is optimized in the field by automatically determining appropriate laser parameters for the scan location. A laser control system uses information such as the environmental temperature to select an appropriate range of start points for various laser parameters, such as pump temperature and laser currents. Test pulses over that range can be used to determine optimal operating parameters.
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Citations
4 Claims
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1. A method of automatically selecting operating parameters for a surveying instrument, comprising the steps of:
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measuring a current environmental value for at least one environmental parameter outside the surveying instrument; selecting a range of test values for at least one operating parameter using the current environmental value; firing series of test pulses using test values selected from the range of test values; measuring an average delay for each series of test pulses; and using the average delay to select optimal test values and setting those optimal test values as the operating parameters for the surveying instrument. - View Dependent Claims (2, 3, 4)
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Specification