Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
249 words
A light sensitive detector arrangement having a plurality of photosensitive detector elements, each detector element having a multilayer structure of alternating positively and negatively doped photosensitive semiconductor material with a superlattice structure and having control electrodes arranged vertically with respect to the semiconductor layers and bordering on the semiconductor layers on front faces thereof, the control electrodes being adapted to receive a control voltage in order to control the spectral light sensitivity of the detector arrangement, an array of a predetermined number of the photo detector groups having photosensitive detector elements being provided, the control electrodes of the photo detector elements of each photo detector group being connected to variable voltage regulators, at least one of upper and lower limit wavelengths of the photo detector elements of the discrete photo detector groups being set differently via the voltage regulators and being graded with respect to each other, a filter arrangement having a high pass and low pass function being provided upstream of the array of the photo detector groups, the filter arrangement having a filter edge which divides the spectral range of the discrete photo detector elements of the photo detector groups into an upper or lower effective spectral range, differential amplifiers being driven by the signals of the photo detector elements of each photo detector group, inputs of the differential amplifiers being driven by spectral signals of outputs of two adjacent photo detector elements, such that at outputs of the differential amplifiers, differentiable selected spectral signal responses occur.
Claim 2
Dependent Claim
249 words
A light sensitive detector arrangement having a plurality of photosensitive detector elements, each detector element having a multilayer structure of alternating positively and negatively doped photosensitive semiconductor material with a superlattice structure and having control electrodes arranged vertically with respect to the semiconductor layers and bordering on the semiconductor layers on front faces thereof, the control electrodes being adapted to receive a control voltage in order to control the spectral light sensitivity of the detector arrangement, an array of a predetermined number of the photo detector groups having photosensitive detector elements being provided, the control electrodes of the photo detector elements of each photo detector group being connected to variable voltage regulators, at least one of upper and lower limit wavelengths of the photo detector elements of the discrete photo detector groups being set differently via the voltage regulators and being graded with respect to each other, a filter arrangement having a high pass and low pass function being provided upstream of the array of the photo detector groups, the filter arrangement having a filter edge which divides the spectral range of the discrete photo detector elements of the photo detector groups into an upper or lower effective spectral range, differential amplifiers being driven by the signals of the photo detector elements of each photo detector group, inputs of the differential amplifiers being driven by spectral signals of outputs of two adjacent photo detector elements, such that at outputs of the differential amplifiers, differentiable selected spectral signal responses occur.
Claim 3
Dependent Claim
47 words
The light sensitive detector arrangement recited in claim 1, wherein control voltages for the photo detector elements of each photo detector group are selected and signal output voltages of the differential amplifiers and in processing stages influenced such that the spectral signal responses border on each other.
Claim 4
Dependent Claim
24 words
The light sensitive detector arrangement recited in claim 1, wherein the control voltages are supplied to the photo detector elements across a drive circuit.
Claim 5
Dependent Claim
42 words
The light sensitive detector arrangement recited in claim 1, wherein an output signal of the photo detector element with a spectral signal response whose maximum limit wavelength is most closely adjacent to the filter edge wavelength is evaluated without formation of difference.
Claim 6
Dependent Claim
34 words
The light sensitive detector arrangement recited in claim 1, further comprising an addressable semiconductor storage means associated with the array of the photo detector groups, said storage means being operationally connected to a microcomputer.
Claim 7
Dependent Claim
20 words
The light sensitive detector arrangement recited in claim 5 wherein the storage means comprises a read and write storage means.
Claim 8
Dependent Claim
63 words
The light sensitive detector arrangement recited in claim 6, wherein the drive circuit comprises a multiplexer by which all photo detector elements of the array are sequentially drivable by each of the discrete control voltages and simultaneously the light-dependent output signals are storable in the read and write storage means, the differential amplifier being connected downstream from the read and write storage means.