Fixing and retrieving recorded information produced by means of

Details Fixing and retrieving recorded information produced by means of Fixing and retrieving recorded information produced by means of

1975-10-30

1977-12-27

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

With means to add charged solid or liquid particles to...

96 48R, 96 88, 260 6, 260 8, 260112R, 106124, 106157, G03C 504, G03C 524

Patent

active

040653102

ABSTRACT:
A method of recording and reproducing information using a photographic recording material which comprises a support bearing at least one photosensitive layer containing photoactive protochlorophyll(ide)-apoprotein complex. The layer is exposed to light of the wavelength region absorbed by the complex in a pattern representing information to be recorded and forms a corresponding pattern of differentiations in light-absorption and fluorescence-emission characteristics. The latter can be scanned to reproduce the information.

REFERENCES:
smith, et al.: Nature, 178 (1956), 751-752.

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