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| Number | Title | Issue Date |
| 4499555 | Sorting technique A serial chain of N sorting modules is arranged to sort batches of up to N items in a desired sequence in accordance with the value of the items. Each sorting module is arranged to compare two input items, to select one item for transfer to the next modul... | 02/12/1985 |
| 4497039 | Join operation processing system in relational model The present invention discloses a join operation processing system in a relational model where a data base processing mechanism provides at least maximum/minimum calculation execution means, reduction sort execution means and the join operation execution ... | 01/29/1985 |
| 4428065 | Data processing system with multiple display apparatus A data processing system comprises a first selection device for selecting a plurality of characters of a first set, the characters of the first set each being defined by a bit map of first predetermined dimensions. A second selection device is capable of ... | 01/24/1984 |
| 4417321 | Qualifying and sorting file record data Record data on a disk file is sorted in a text/data processor by means of an algorithm that transfers such records on the basis of rank to a sort buffer on the basis of qualifying criteria. Each qualified file record is compared with the lowest ranked rec... | 11/22/1983 |
| 4295206 | Document sorting method A document sorting process utilizes existing or natural incoming sequences of documents each of which includes a sort key code thereon and which are sequentially arranged in accordance with a trace, locate and retrieve number (TLR). The documents are mach... | 10/13/1981 |
| 4210961 | Sorting system A method is disclosed of sorting data in an electronic data processing system utilizing a digital computer and at least one random access device such as, for example, a magnetic disc or drum unit. A first simulation is performed to optimize the utilizatio... | 07/01/1980 |
| 4209845 | File qualifying and sorting system A system for sorting records of a file to find the record in the file having the highest or lowest data in a first field of the records, provided that the record qualifies to be sorted in accordance with the data in a second field of the records. A plural... | 06/24/1980 |
| 4131947 | Random access digital sorter A system is provided for sorting binary data records, which includes random access memory means for storing the data records and from which the data records may be retrieved in an ordered sequence. There is no sorting time mode within the system itself, a... | 12/26/1978 |
| 4110837 | Apparatus for the sorting of records overlapped with loading and unloading of records into a storage apparatus This invention describes an automatic sorter which consists of a linear array of n modules called permuters. Each permuter contains an upper-lower pair of registers, a comparison mechanism and gating arrangement to the permuters immediately above and imme... | 08/29/1978 |
| 4090249 | Apparatus for sorting records in overlap relation with record loading and extraction This invention describes a pipeline sorter, in which record-pairs are compared and conditionally swapped while being advanced along the pipeline synchronously. The pipeline sorter has the topology of a U-shaped tube, with regularly spaced crosspaths linki... | 05/16/1978 |
| 4086628 | Directory generation system having efficiency increase with sorted input A system tool for electronically generating a machine directory entity having a binary tree relationship. The method generates the directory entity directly from a sequence of input keys without using an intermediate stack. The input key sequence may be s... | 04/25/1978 |
| 4078260 | Apparatus for transposition sorting of equal length records in overlap relation with record loading and extraction An apparatus for sorting of equal length records with the sorting time maximally overlapped by the time taken for loading and unloading of records. The minimal structure consists of a decision mechanism linked to and associated with a network of ladder st... | 03/07/1978 |
| 4037205 | Digital memory with data manipulation capabilities A digital memory comprising a plurality of contiguous circulating serial data storage loops and a plurality of processing elements. Each pair of adjacent loops are coupled to a processing element such that each loop is coupled through two processing eleme... | 07/19/1977 |
| 4003031 | Information-arranging device 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... | 01/11/1977 |
| 3997880 | Apparatus and machine implementable method for the dynamic rearrangement of plural bit equal-length records An apparatus for performing efficient transposition exchange sorts among equal length records is described. The apparatus takes advantage of the flow steering property of linkable circulating storage loops to minimize the average access time by positionin... | 12/14/1976 |
| 3976980 | Data reordering system A first addressable memory stores data received from an external source. The data addresses storage locations in a second memory which also stores data received from an external source. Registers and logic are provided for transferring data between the me... | 08/24/1976 |
| 3931612 | Sort apparatus and data processing system Disclosed is a system for sorting information such as used, for example, in inventory control. New items to be sorted are fetched from a memory unit and are stored as buffered items in buffer stores. Comparators compare each new item from the memory unit ... | 01/06/1976 |
