| Patents for G06F 7 - Methods or arrangements for processing data by operating upon the order or content of the data handled (93,043) |
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| 03/26/1991 | CA1282176C Fast c-mos adder |
| 03/20/1991 | EP0417861A2 Dynamically reconfigurable signal processor and processor arrangement |
| 03/20/1991 | EP0417362A1 Data/facsimile telephone subset apparatus incorporating electrophoretic display |
| 03/20/1991 | EP0239587B1 Instruction sequencer for microprocessor with network for the determination of the phases of instruction cycles |
| 03/19/1991 | US5001664 Dividing circuit calculating a quotient of K m-ary digits in K machine cycles |
| 03/19/1991 | US5001663 Programmable digital circuit for performing a matrix multiplication |
| 03/19/1991 | US5001662 In digital computer |
| 03/19/1991 | US5001647 Inertial transformation matrix generator |
| 03/19/1991 | US5001477 Encoding variable length and null data while preserving sort sequence |
| 03/13/1991 | EP0416869A2 Digital adder/accumulator |
| 03/13/1991 | EP0416546A2 Programmable logic device and storage circuit used therewith |
| 03/13/1991 | EP0416309A2 Method and apparatus for performing the square root function using a rectangular aspect ratio multiplier |
| 03/13/1991 | EP0416308A2 Rectangular array signed digit multiplier |
| 03/13/1991 | EP0416153A1 Method for dividing any-length operands respectively normalized at the beginning for data processing equipment and digital divider for carrying out the method |
| 03/13/1991 | CN1049922A Redundant code high-speed array divider |
| 03/12/1991 | US4999808 Dual byte order data processor |
| 03/12/1991 | US4999804 Full adder with short signal propagation path |
| 03/12/1991 | US4999803 Floating point arithmetic system and method |
| 03/12/1991 | US4999802 Floating point arithmetic two cycle data flow |
| 03/12/1991 | US4999801 Floating point operation unit in division and square root operations |
| 03/12/1991 | US4999800 Floating point adder with pre-shifter |
| 03/12/1991 | US4999797 Method of and device for circle generation |
| 03/12/1991 | US4999796 Sticky bit detection and shifting logic |
| 03/12/1991 | CA1281426C Vector calculation circuit capable of rapidly carrying out vectorcalculation of three input vectors |
| 03/12/1991 | CA1281425C Circuit for computing the quantized coefficient discrete cosine transform of digital signal samples |
| 03/07/1991 | WO1991003015A1 Electronic counting device |
| 03/07/1991 | DE3927552A1 Electronic divider circuit using parallel subtraction - contains extended shift registers and uses divisor of fewer than eight places |
| 03/07/1991 | DE3927551A1 Electronic multiplier circuit for use with simple control - uses extended shift registers and limited multiplier and multiplicand places to keep number of adder circuits small |
| 03/06/1991 | EP0415681A2 Inertial transformation matrix generation |
| 03/06/1991 | EP0415542A2 Programmable gate array with improved interconnect structure, input/output structure and configurable logic block |
| 03/05/1991 | US4998279 Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics |
| 03/05/1991 | US4998219 Method and apparatus for determining the greatest value of a binary number and for minimizing any uncertainty associated with the determination |
| 02/28/1991 | DE3928041A1 Bit subtraction circuit for binary coded decimal numbers - has carry processing circuit contg. up=down shift circuit |
| 02/28/1991 | DE3927553A1 Electronic multiplier-divider circuit contg. adder-subtractor circuit - switchable between addition and subtraction and maintaining sufficiently small number of required circuits |
| 02/28/1991 | DE3927550A1 Bit subtraction circuit for processing 5111-code - can be adapted for 54321-code and 5211-code and contains potential ordering circuit |
| 02/28/1991 | DE3915035A1 Multiplier circuit using dual full-adders |
| 02/27/1991 | EP0414108A2 Combined array for multiplication and division |
| 02/27/1991 | EP0413951A1 Rank order processing array |
| 02/27/1991 | EP0413916A2 Electro-optical full adder |
| 02/26/1991 | WO1991003014A2 Method and apparatus for high precision weighted random pattern generation |
| 02/26/1991 | US4996666 Content-addressable memory system capable of fully parallel magnitude comparisons |
| 02/26/1991 | US4996661 Single chip complex floating point numeric processor |
| 02/26/1991 | US4996660 Selection of divisor multipliers in a floating point divide circuit |
| 02/21/1991 | WO1991002311A1 High performance, low cost microprocessor |
| 02/20/1991 | EP0148403B1 Linear feedback shift register |
| 02/19/1991 | US4995082 Method for identifying subscribers and for generating and verifying electronic signatures in a data exchange system |
| 02/19/1991 | US4994997 Pipeline-type serial multiplier circuit |
| 02/19/1991 | US4994996 Pipelined floating point adder for digital computer |
| 02/19/1991 | US4994995 Bit-serial division method and apparatus |
| 02/19/1991 | US4994994 Apparatus performing modulo p addition, where operands are expressed as powers of a generator, using a reduced size zech look-up table |
| 02/17/1991 | CA2020569A1 Rank order processing array |
| 02/14/1991 | DE3924344A1 Digital computer operating method esp. for cryptography - uses cyclically reproducing steps based on shift=and=add algorithm |
| 02/13/1991 | EP0412565A2 A cube root calculation apparatus |
| 02/12/1991 | US4992969 Integer division circuit provided with a overflow detector circuit |
| 02/12/1991 | US4992968 Division method and apparatus including use of a Z--Z plot to select acceptable quotient bits |
| 02/12/1991 | US4991719 Method and apparatus for sorting randomly positioned items minimizing sorting conveyor movement |
| 02/12/1991 | CA1280215C Multilingual ordered data retrieval system |
| 02/07/1991 | DE3918310A1 Electronic multiplier circuit combined with code conversion circuit - producing BCD-8421 code using only one correction circuit with two auxiliary circuits |
| 02/06/1991 | EP0411788A2 External sorting using virtual storage |
| 02/06/1991 | EP0411692A2 Last-in first-out memory and data repacker for use therein |
| 02/06/1991 | EP0411504A2 Digital signal processing circuit |
| 02/06/1991 | EP0411491A2 Method and apparatus for performing division using a rectangular aspect ratio multiplier |
| 02/05/1991 | US4991188 Digital frequency divider |
| 02/05/1991 | US4991176 Optimal test generation for finite state machine models |
| 02/05/1991 | US4991134 Concurrent sorting apparatus and method using FIFO stacks |
| 02/05/1991 | US4991132 Apparatus for executing division by high-speed convergence processing |
| 02/05/1991 | US4991131 Multiplication and accumulation device |
| 02/05/1991 | US4991130 Normalization control system for floating point arithmetic operation |
| 01/30/1991 | EP0410515A1 Rotation method for a word of "p" binary elements and device in which said method is used |
| 01/29/1991 | US4989180 Dynamic memory with logic-in-refresh |
| 01/29/1991 | US4989174 Fast gate and adder for microprocessor ALU |
| 01/29/1991 | US4989173 Fast divider for a constant divisor |
| 01/29/1991 | US4989171 Data processing method and apparatus for calculating a multiplicatively inverted element of a finite field |
| 01/29/1991 | US4989168 Multiplying unit in a computer system, capable of population counting |
| 01/23/1991 | EP0408936A2 Method for detecting a character pattern in a data stream |
| 01/23/1991 | EP0260289B1 Process and device for selectively duplicating alphanumeric and/or graphic characters |
| 01/22/1991 | US4987557 System for calculation of sum of products by repetitive input of data |
| 01/17/1991 | DE3922787A1 Multiplier circuit containing dual multiplier and code converter - has only one correction circuit and partial direct result circuit in input stage |
| 01/17/1991 | DE3921851A1 Octal multiplier circuit with binary multiplicand input - contains only 2 dual full adders and 5 dual half adders |
| 01/16/1991 | EP0408464A2 Bit field logic operation unit and monolithic microprocessor comprising said unit |
| 01/16/1991 | EP0408226A2 Deferred comparison multiplier checker |
| 01/16/1991 | EP0408188A2 Compressed prefix matching database searching |
| 01/16/1991 | EP0408138A1 Pipeline system with real-time multiresolution data processing and corresponding method |
| 01/15/1991 | US4985862 Binary adder circuit with improved inputs |
| 01/15/1991 | US4985861 High speed digital signal processor for signed digit numbers |
| 01/15/1991 | US4985848 High speed image processing system using separate data processor and address generator |
| 01/12/1991 | CA2019730A1 Compressed prefix matching database searching |
| 01/10/1991 | WO1991000568A1 Conditional-sum carry structure compiler |
| 01/09/1991 | EP0407311A1 Data merging circuit |
| 01/09/1991 | EP0407177A2 Bit sequence reversing device |
| 01/08/1991 | US4984189 Digital data processing circuit equipped with full bit string reverse control circuit and shifter to perform full or partial bit string reverse operation and data shift operation |
| 01/08/1991 | US4983970 Method and apparatus for digital phased array imaging |
| 01/08/1991 | CA1278834C C-mos arithmetic - logic unit |
| 01/02/1991 | EP0405759A2 Sort accelerator using rebound sorter as merger |
| 01/02/1991 | EP0405726A2 Context switching system |
| 01/02/1991 | EP0405723A2 High speed parallel multiplier circuit |
| 01/02/1991 | EP0405459A2 Data write control circuit having word length conversion function |
| 01/02/1991 | EP0404816A1 Dual mode adder circuitry |
| 01/02/1991 | CA1278609C Multi-channel modulated numerical frequency synthesizer |
| 01/01/1991 | US4982414 Abbreviated incrementer circuit |