Optical correlator

Claim 2

In an optical correlator having an imaging lens, at least one optical device for filtering out image structures with specific spatial frequencies for determining the respective relative spatial position of an object, and a photoelectric receiver system having at least one receiver and coordinated to said optical device and generating electrical signals corresponding to the relative position between an image of said object and said optical device, said electrical signals conducted to a control system, the improvement comprising said optical device comprising an image divider having a plurality of optical fiber bundles arranged in groups, each group having a front face, in combination with the front faces of other fiber bundle groups forming an optical grating, and each said group haVing a rear end associated with a receiver of said receiver systems, the ends of a plurality of bundle groups, the front faces of which are not lying side by side, are associated with one receiver.

Claim 3

The correlator of claim 1, wherein the front faces of said fiber bundle groups have the shape of strips arranged in parallel to one another.

Claim 4

The correlator of claim 2, wherein said strips of the bundle groups have different widths forming an aperiodic grating.

Claim 5

The correlator of claim 1, wherein said front faces in neighboring positions are associated by their groups of optical fiber bundles with different common receivers of the receiver system.

Claim 6

The correlator of claim 1, wherein the front faces of said fiber bundle groups have a three-cornered shape.

Claim 7

The correlator of claim 1, wherein the grating formed by the fiber bundle means define an angle with the direction of movement of an object differing from n.90*, wherein n is an integer.

Claim 8

The correlator of claim 1, wherein an additional photo-conductor group (19) is provided which directs light coming from a source (20) into the plane of the object.

Claim 9

In an optical correlator having an imaging lens, at least one optical device for filtering out image structures with specific spatial frequencies for measuring the respective relative spatial position of an object, and a photoelectric receiver system having at least one receiver and coordinated to said optical device and generating electrical signals corresponding to the relative position between an image of said object and said optical device, said electrical signals conducted to an indicator and control system, the improvement comprising said optical device comprising an image divider having a plurality of optical fiber bundles arranged in groups, each group having a front face, in combination with the front faces of other fiber bundle groups forming an optical grating, and each said group having a rear end associated with a receiver of said receiver system, the ends of a plurality of bundle groups, the front faces of which are not lying side by side, are associated with one receiver.

Claim 10

In an optical correlator having an imaging lens, at least one optical device for filtering out image structures with specific spatial frequencies for measuring the respective relative spatial position of an object, and a photoelectric receiver system having at least one receiver and coordinated to said optical device and generating electrical signals corresponding to the relative position between an image of said object and said optical device, said electrical signals conducted to an indicator and control system, the improvement comprising said optical device comprising an image divider having a plurality of optical fiber bundles arranged in groups, each group having a front face, in combination with the front faces of other fiber bundle groups forming an optical grating, and each said group having a rear end associated with a receiver of said receiver system, the ends of a plurality of bundle groups, the front faces of which are not lying side by side, are associated with one receiver.

Claim 11

The correlator of claim 8, wherein the front faces of said fiber bundle groups have the shape of strips arranged in parallel to one another.

Claim 12

The correlator of claim 9, wherein said strips of the bundle groups have different widths forming an aperiodic grating.

Claim 13

The correlator of claim 8, wherein said grating has an image plane and the individual fiber bundles of said optical fiber bundle means are split up in said image plane into stochastically divided, interlaced individual fibers for measuring velocity and detecting movement.

Claim 14

The correlator of claim 8, wherein the fibers of all groups coordinated to one measuring direction are dimensioned to give the transmitted light a given polarization.

Claim 15

The correlator of claim 8, wherein the fibers of all groups coordinate to one measuring direction are dimensioned to give the transmitted light a given color.