Patent ID: 11933669
Assignee: ALLEGRO MICROSYSTEMS, LLC
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. The optical system of claim 1, wherein the at least one optical device is a first optical device and a second optical device, the at least one optical transducer is a first optical transducer and a second optical transducer, the at least one electronic device is a first read-out-integrated-circuit (ROIC) and a second ROIC,, and further comprising:
a diagnostic fault detector;
a mode selector configured to output one of a signal indicating a redundant/comparison mode and a workload-sharing mode under control of one of an input signal and a determination of the optical signal;
a demultiplexer; and
a multiplexer,
wherein the demultiplexer is configured to receive the optical signal and segment the optical signal into a first segment and a second segment under control of the mode selector, wherein the first segment and the second segment are approximately identical when the mode selector outputs the signal indicating the redundant/comparison mode, and wherein the second segment does not contain any portion of the optical segment contained in the first segment when the mode selector outputs the signal indicating the workload-sharing mode;
wherein the first optical device is configured to receive the first segment,
wherein the first optical transducer is configured to receive the first segment from the first optical device and convert the first segment to a first electrical signal,
wherein the first ROIC is configured to receive the first electrical signal and process the first electrical signal,
wherein the second optical device is configured to receive the second segment,
wherein the second optical transducer is configured to receive the second segment from the second optical device and convert the second segment to a second electrical signal,
wherein the second ROIC is configured to receive the second electrical signal and process the second electrical signal,
wherein the diagnostic fault detector is configured to receive the processed first electrical signal and the processed second electrical signal, and output an error flag for use during the redundant/comparison mode; and
wherein the multiplexer is configured to receive the processed first electrical signal, the processed second electrical signal, the signal from the mode selector, and the error flag, when in the redundant/comparison mode, output the processed first electrical signal if no error occurred, and output a function of the first processed electrical signal and the processed second electrical signal that is error free when an error occurred, and, when in the workload-sharing mode, output a combination of the processed first electrical signal and the processed second electrical signal.