Image pickup device

Details Image pickup device Image pickup device

1987-10-13

1990-08-14

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

25037001, 25037008, H01L 27148, H01L 31115

Patent

active

049489771

ABSTRACT:
An image pickup device comprises a matrix of rows and columns of image pickup elements. Image information is transferred in the column direction in the time-delay-and-integration mode. Two shift registers are associated with each column of image pickup elements. During a first period information from the image pickup elements of each column is transferred to a first one of each two shift registers associated with each column and during a second period information is transferred to the second one of each two shift registers associated with each column.
Such an image pickup device can be used in radiography as a means for detecting x-ray radiation transmitted by a body under examination. In order to obtain a dual energy image a first or a second spectral center point is periodically imparted to the x-ray radiation synchronously with the first and second periods.

REFERENCES:
patent: 3869572 (1975-03-01), Carter
patent: 4179100 (1979-12-01), Sashin et al.
patent: 4383327 (1983-05-01), Kruger
patent: 4455575 (1984-06-01), Murakoshi
J. Coumans, Dr. J. Kosanetzky and F. W. Zonneveld, "Computerized dual-energy imaging: a technical description", Medicamundi, vol. 27, No. 3 (1982), pp. 125-132.

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