Beam scanning system

Claim 2

Beam deflection system for electromagnetic radiation, having two plane mirrors wobbling about respective axes of rotation, with equal wobble angles, characterized in that each mirror (21, 22) is driven by a motor (10, 12), the speed-of-rotation ratio (N 1 , N 2 ) being equal to the ratio of two coprime integers.

Claim 3

Beam deflection system according to Claim 1, characterized in thatthe bodies carrying the mirror surfaces (21, 22) are designed as cylinders (11, 13), which are coaxial with the respective axis of rotation and in the case of which the end faces remote from the associated motors (10,12) are situated in a plane inclined to the cylinder axis (11, 13).

Claim 4

Beam deflection system according to Claim 1 or 2, characterized in that the mirrors (21, 22) are disposed so that the beams impinge on the mirrors (21, 22) at an acute angle, if possible normally.

Claim 5

Beam deflection system according to one of the preceding claims, characterized in that each motor (10, 12) is dynamically balanced with the cylinder (11, 13) fitted thereto.

Claim 6

Beam deflection system according to one of the preceding claims, characterized in that a laser is employed as radiation emitter (1).

Claim 7

Beam deflection system according to one of the preceding claims, characterized in that a semitransmitting mirror (2) is disposed between radiation emitter (1) and beam deflection system

Claim 8

(3), and in that a radiation receiver (5) is disposed in the further beam path.

Claim 9

(3), and in that a radiation receiver (5) is disposed in the further beam path.

Claim 10

Beam deflection system according to one of claims 1 to 5, characterized in that a radiation receiver (5) is disposed at the output of the deflection system (3).

Claim 11

Beam deflection system according to Claim 6 or 7, characterized in that counting devices (50, 51), which contain information on the instantaneous rotary setting of the motors, can be interrogated by the signal of the receiver (5).

Claim 12

Beam deflection system according to one of the preceding claims, characterized in that the motors (10, 12) of the system are controlled by a common clock generator (30) with dividers (32, 33) connected downstream.

Claim 13

Beam deflection system according to one of the preceding claims, characterized in that collecting lenses (60, 61) are disposed between the first mirror (21) and the second mirror (22).

Claim 14

Use of the beam deflection system according to one of the preceding claims for tracking an object emitting electromagnetic radiation, characterized in that the beam deflection system (3), as a whole, is pivotable in space by means of motors (68), and in that the pivoting takes place as a function of the detected position of the object.

Claim 15

Use of the beam deflection system according to one of Claims 1 to 10 for the determination of the position of an object emitting electromagnetic radiation, characterized in that three receivers (5) are provided, the position of which relative to one another and relative to the beam deflection system is known, and in that an evaluation circuit (6) is provided for the determination of distance and direction of the object from the receiver signals.

Claim 16

Use of the beam deflection system according to one of Claims 1 to 10 for the measurement of the tracking and camber of a vehicle.

Claim 17

Use of the beam deflection system according to one of Claims 1 to 10, characterized by two beam deflection systems at a fixed, known distance with respective receivers connected downstream, for the determination of distance and direction of an object emitting electromagnetic radiation.