System for the detection of information in the form of electroma

Details System for the detection of information in the form of electroma System for the detection of information in the form of electroma

1989-07-19

1991-04-16

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2502521, 250332, 2503384, 25037008, H01L 3109, G01J 506

Patent

active

050085441

ABSTRACT:
It comprises information photodetection means (2), which have N photodetectors (6), each photodetector being able to supply a current having an information-carrying component and a non-information carrying component, N being an integer at least equal to 1, reading means (4) for the thus detected information and which use for this purpose the current supplied by each photodetector, and N other regulatable means (22) respectively associated with the N photodetectors each other regulatable means being able to extract a regulatable intensity current from the current supplied by the associated photodetector prior to the use of said latter current by the reading means.

REFERENCES:
patent: 4590390 (1986-05-01), Arques
S. Marshall, "Using Charge Injection on CCD Imaging Chips", Xerox Disclosure Journal, vol. 5, No. 5, Sep./Nov. 1980, p. 545.

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