Matches 1 - 21 out of 21


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4245327 Data processor having two types of carry flags  
Two flip-flops for carry information are provided in a data processor; one for carry of arithmetic operation and the other for carry occuring when a program counter is incremented. A state of the...
3919536 Precharged digital adder and carry circuit  
Disclosed is a calculator system featuring a precharged carry propagate arithmetic logic circuit. A plurality of data registers store in parallel a plurality of multi-bit data words and are coupled...
3889110 Data storing system having single storage device  
A data storage system utilizing a unique bit arrangement and circuit configuration including a single storage device, such as a single storage-type shift register means, which enables two data...
3813623 SERIAL BCD ADDER  
A digital processing system wherein a binary-coded decimal full adder forms along with a display shift register a loop-like circuit for circulating information signals. The system provides a series...
3798428 ELECTRONIC TIME-KEEPING APPARATUS  
An electronic time-keeping apparatus generating counting pulses for a time count. The counting pulses are stored in registers connected to input gates of adders that develop, from the counting...
3749899 BINARY/BCD ARITHMETIC LOGIC UNIT  
Two integrated circuit read-only-memory packages are interconnected with flip-flops and gates to form an arithmetic logic unit for performing arithmetic and logic operations in either a one-bit...
3746839 ACCUMULATOR FOR A KEY ENTRY DEVICE  
This specification describes an accumulator for a key entry device which has a shift register buffer memory that holds a character entered from a keyboard. The accumulator performs computation on...
3707622 DIGITAL SERIAL ARITHMETIC UNIT  
An electronic system for use in calculating machines comprises a plurality of serial shift registers, an appropriate number of gates and a single serial full adder. This electronic system is...
3641330 MICROPROGRAMMED DIGITAL COMPUTER PROVIDING VARIOUS OPERATIONS BY WORD CIRCULATION  
A plurality of shift registers are interconnected serially by a plurality of gates. To perform computer micro-operations, the words contained within the registers are circulated therethrough in...
3566097 ELECTRONIC CALCULATOR UTILIZING DELAY LINE STORAGE AND INTERSPERSED SERIAL CODE  
An electronic calculator for performing arithmetic operations on binary coded numbers using delay line storage techniques. Four dynamic storage positions are defined in a single channel delay line...
3531632 ARITHMETIC SYSTEM UTILIZING RECIRCULATING DELAY LINES WITH DATA STORED IN POLISH STACK FORM  
3515861 DATA REDUCTION SYSTEM FOR RADIATION COUNTING EQUIPMENT  
3496345 PARALLEL CODED SERIAL DIGIT ADDER WITH ADVANCED CARRY RECOGNITION  
3445641 SERIAL DIGITAL ADDER EMPLOYING A COMPRESSED DATA FORMAT  
3244866 High to low order arithmetic calculator  
3240922 Serial digital electronic computer  
3154677 Magnetic core matrix adder and subtracter  
3141965 Serial adder using algebraic quinary notation  
3055587 Arithmetic system  
3023964 Digital computing systems  
3023963 Digital computing systems  
Matches 1 - 21 out of 21