Detector comprising a transversal optical sensor for detecting a transversal position of a light beam from an object and a longitudinal optical sensor sensing a beam cross-section of the light beam in a sensor region
First Claim
Patent Images
1. A detector comprising:
- a transversal optical sensor, the transversal optical sensor being adapted to determine a transversal position of at least one light beam traveling from an object to the detector, the transversal position being a position in at least one dimension perpendicular to an optical axis of the detector, the transversal optical sensor being adapted to generate at least one transversal sensor signal;
a longitudinal optical sensor, wherein the longitudinal optical sensor has at least one sensor region, wherein the longitudinal optical sensor is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region by the light beam, wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam in the sensor region; and
an evaluation device, wherein the evaluation device is designed to generate at least one item of information on a transversal position of the object by evaluating the transversal sensor signal and to generate at least one item of information on a longitudinal position of the object by evaluating the longitudinal sensor signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A detector (110) for determining a position of at least one object (112) is proposed. The detector (110) comprises:
- at least one transversal optical sensor (130), the transversal optical sensor (130) being adapted to determine a transversal position of at least one light beam (138) traveling from the object (112) to the detector (110), the transversal position being a position in at least one dimension perpendicular to an optical axis (116) of the detector (110), the transversal optical sensor (130) being adapted to generate at least one transversal sensor signal;
- at least one longitudinal optical sensor (132), wherein the longitudinal optical sensor (132) has at least one sensor region (136), wherein the longitudinal optical sensor (132) is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region (136) by the light beam (138), wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam (138) in the sensor region (136);
- at least one evaluation device (142), wherein the evaluation device (142) is designed to generate at least one item of information on a transversal position of the object (112) by evaluating the transversal sensor signal and to generate at least one item of information on a longitudinal position of the object (112) by evaluating the longitudinal sensor signal.
127 Citations
29 Claims
-
1. A detector comprising:
-
a transversal optical sensor, the transversal optical sensor being adapted to determine a transversal position of at least one light beam traveling from an object to the detector, the transversal position being a position in at least one dimension perpendicular to an optical axis of the detector, the transversal optical sensor being adapted to generate at least one transversal sensor signal; a longitudinal optical sensor, wherein the longitudinal optical sensor has at least one sensor region, wherein the longitudinal optical sensor is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region by the light beam, wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam in the sensor region; and an evaluation device, wherein the evaluation device is designed to generate at least one item of information on a transversal position of the object by evaluating the transversal sensor signal and to generate at least one item of information on a longitudinal position of the object by evaluating the longitudinal sensor signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A method for determining a position of at least one object,
wherein at least one transversal optical sensor of a detector is used, wherein the transversal optical sensor determines a transversal position of at least one light beam traveling from the object to the detector, the transversal position being a position in at least one dimension perpendicular to an optical axis of the detector, wherein the transversal optical sensor generates at least one transversal sensor signal; -
wherein at least one longitudinal optical sensor of the detector is used, wherein the longitudinal optical sensor has at least one sensor region, wherein the longitudinal optical sensor generates at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region by the light beam, wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam in the sensor region; wherein at least one evaluation device is used, wherein the evaluation device generates at least one item of information on a transversal position of the object by evaluating the transversal sensor signal and wherein the evaluation device further generates at least one item of information on a longitudinal position of the object by evaluating the longitudinal sensor signal.
-
Specification