Communications: electrical – Digital comparator systems
Patent
1975-01-23
1977-01-11
Shaw, Gareth D.
Communications: electrical
Digital comparator systems
G06F 716, G06F 736
Patent
active
040030318
ABSTRACT:
An information-arranging device, wherein a plurality of records information units are initially stored at random in first and second memories in a state separated by record-positioning codes. The records are read out one after another from the forward end of said first and second memories. The key words of every two records read out from said first and second memories are compared in respect of numerical largeness or value by a comparing circuit to determine the sequential order of said key words. The records, whose key words have thus been compared in numerical value are arranged in a decreasing or increasing sequential order to form a block with the intervening one of the information codes converted into a different code. Said sequentially arranged records are stored in a third memory in the form of a block. A write-readout cycle for determining the sequential order is repeated between the first and second memories on one hand and the third memory on the other to store the third memory with blocks made up of sequentially arranged records, said blocks being made twice longer each time said write-readout cycle is carried out.
REFERENCES:
patent: 3533074 (1974-10-06), Webb
patent: 3587057 (1971-06-01), Armstrong
patent: 3815083 (1974-06-01), Dirks et al.
Bartz C. T.
Casio Computer Co. Ltd.
Shaw Gareth D.
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