Circuit for high resolution decoding of multi-anode microchannel

Details Circuit for high resolution decoding of multi-anode microchannel Circuit for high resolution decoding of multi-anode microchannel

1992-05-07

1995-03-07

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250214VT, 36441313, G01T 118

Patent

active

053960734

ABSTRACT:
A circuit for high resolution decoding of multi-anode microchannel array detectors consisting of input registers accepting transient inputs from the anode array, anode encoding logic circuits connected to the input registers, midpoint pipeline registers connected to the anode encoding logic circuits and pixel decoding logic circuits connected to the midpoint pipeline registers. A high resolution algorithm circuit operates in parallel with the pixel decoding logic circuit and computes a high resolution least significant bit to enhance the multi-anode microchannel array detector's spatial resolution by halving the pixel size and doubling the number of pixels in each axis of the anode array. A multiplexer is connected to the pixel decoding logic circuit and allows a user selectable pixel address output according to the actual multi-anode microchannel array detector anode array size. An output register concatenates the high resolution least significant bit onto the standard ten bit pixel address location to provide an eleven bit pixel address, and also stores the full eleven bit pixel address. A timing and control state machine is connected to the input registers, the anode encoding logic circuits, and the output register for managing the overall operation of the circuit.

REFERENCES:
patent: 3934143 (1976-01-01), Prag
patent: 4070578 (1978-01-01), Timothy et al.
patent: 4639601 (1987-01-01), Pullan
patent: 4727256 (1988-02-01), Kumazawa
patent: 4956796 (1990-09-01), Rogers et al.
patent: 5081597 (1992-01-01), Kowalski
patent: 5241569 (1993-08-01), Fleming
David B. Kasle, "High Resolution Decoding Techniques and Single Chip Decoders for Multi-Anode Microchannel Arrays", Aug. 1989.
Kasle & DeMicheli, "An Image Decoding ASIC for Space-Based Applications", May 27, 1991.
Kasle & Morgan, "High Resolution Decoding of Multi-Anode Microchannel Array Detectors", 24 Jul., 1991.

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