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

Claim 27:
28. The method of claim 27, wherein the at least one optical device is one 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 an ROIC having a first processing path, a second processing path that is redundant of the first processing path, and a comparator,
wherein the one optical device is configured to receive the optical signal,
wherein the first optical transducer is configured to receive the optical signal from the one optical device and convert the optical signal to a first electrical signal,
wherein the second optical transducer is configured to receive the optical signal from the one optical device and convert the optical signal to a second electrical signal,
wherein the ROIC is configured to receive the first electrical signal and the second electrical signal, process the first electrical signal by the first processing path, process the second electrical by the second processing path, and compare the processed first electrical signal and the processed second electrical signal to determine if there is an error in either of the processed first electrical signal and the processed second electrical signal,, and further comprising:
an error criteria function block configured to provide error criteria concerning the processed first electrical signal and the processed second electrical signal;
wherein the comparator is configured to receive the error criteria, the processed first electrical signal, and the processed second electrical signal; determine if an error occurred in one of the processed first electrical signal and the processed second electrical signal; if no error occurred, the ROIC outputs at least one of the processed first electrical signal and the processed second electrical signal; and if an error occurred, the ROIC outputs an error flag and a function of the processed first electrical signal and the processed second electrical signal that is determined to be error free.