Method to decode relative spectral data

Details Method to decode relative spectral data Method to decode relative spectral data

1988-02-29

1989-08-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250227, 370 3, G01J 350, H01J 516, H01J 4014

Patent

active

048577260

ABSTRACT:
A method of encoding and decoding a binary modulated light spectrum to recover encoded intelligence. The method enables reliable and accurate decoding of wave division multiplexed data. The method incorporates a step of encoding data and a step of decoding the data which employs a photo-detector array. This method of encoding and decoding data compensates for variations in signal level, spectral position and spectral width with no degradation in reconstructed data.

REFERENCES:
patent: 3845294 (1974-10-01), Irdig et al.
patent: 4223216 (1980-09-01), Quick et al.

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