Range Finder and Method for Finding Range
AssigneeLG Innotek Co., Ltd.
InventorsKi Min Lee, Jun Ki Lee
Life of this patent
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Abstract
Provided is a range finder. The range finder comprises a light-emitting unit, a light-receiving unit, a reflection mirror, an actuator, and a controller. The light-emitting unit emits a light pulse, and a light-receiving unit detects reflected light incident thereto. The reflection minor reflects the light pulse emitted from the light-emitting unit to a measurement space, and reflecting the reflected light reflected by an object in the measurement space so that the reflected light is incident to the light-receiving unit. The actuator allows the reflection minor to move. The controller obtains distance information from a signal detected by the light-receiving unit, and obtains location information from the actuator.
Claims29
A range finder comprising:
- a light-emitting unit emitting a light pulse;
- a light-receiving unit detecting reflected light incident thereto;
- a reflection minor reflecting the light pulse emitted from the light-emitting unit to a measurement space, and reflecting the reflected light reflected by an object in the measurement space so that the reflected light is incident to the light-receiving unit;
- an actuator allowing the reflection minor to move;
- and
- a controller obtaining distance information from a signal detected by the light-receiving unit, and obtaining location information from the actuator.
A method for finding a range, the method comprising:
- emitting a light pulse to a measurement space and detecting reflected incident light reflected by an object to obtain location information and distance information of the object;
- and
- varying a direction in which the light pulse is emitted to obtain location information and distance information of the object.
A method for finding a range, the method comprising:
- emitting a light pulse to a measurement space and detecting reflected incident light reflected by an object to obtain location information and distance information of the object;
- mapping the location information to new location information;
- and
- measuring a distance of the object using the new location information and the distance information.
Dependencies are inferred from the claim text.