Device for monitoring spatial areas
First Claim
Patent Images
1. A device for monitoring a space, comprising:
- a transmitter emitting light with temporal intensity changes;
a receiver having one-dimensional resolution;
an optical system, for assigning to said receiver a field of view, disposed in a radiation path in front of said receiver;
said receiver receiving radiation pulses emitted by said transmitter into the field of view;
an evaluation unit connected to said receiver and to said transmitter, said evaluation unit serving to determine a transit time of the radiation pulses;
said transmitter subjecting the field of view to radiation pulse beams partially covering the field of view, and said evaluation unit receiving information concerning a shape of the radiation pulse beams in the field of view during determination of the transit time of the radiation pulse beams; and
an anamorphotic optical system disposed to compress the field of view onto said receiver.
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Abstract
A monitoring device for spatial areas comprises a receiver, to which an anamorphotic optical system, is assigned. The monitoring device also has a transmitter which scans a field of view assigned to the receiver using radiation pulse beams. A distance image of an object in the field of view can be produced by way of a radiation transit time determination with short-term integration carried out in an evaluation unit.
27 Citations
15 Claims
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1. A device for monitoring a space, comprising:
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a transmitter emitting light with temporal intensity changes;
a receiver having one-dimensional resolution;
an optical system, for assigning to said receiver a field of view, disposed in a radiation path in front of said receiver;
said receiver receiving radiation pulses emitted by said transmitter into the field of view;
an evaluation unit connected to said receiver and to said transmitter, said evaluation unit serving to determine a transit time of the radiation pulses;
said transmitter subjecting the field of view to radiation pulse beams partially covering the field of view, and said evaluation unit receiving information concerning a shape of the radiation pulse beams in the field of view during determination of the transit time of the radiation pulse beams; and
an anamorphotic optical system disposed to compress the field of view onto said receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification