Patents
Sitemap › G06 - Computing; Calculating; Counting › G06F - Electric digital data processing › G06F 15 - Digital computers in general; Data processing equipment in general
Patents for G06F 15 - Digital computers in general; Data processing equipment in general (227,783)
12/1977
12/20/1977US4064398 Electronic calculator
12/13/1977US4063221 Programmable calculator
12/06/1977US4062059 Information processing system
11/1977
11/29/1977US4060719 Computer for solving unknown parameters of geometrical figures
11/22/1977US4059750 General purpose calculator having selective data storage, data conversion and time-keeping capabilities
11/15/1977US4058714 Selectively operated, clock-controlled repetitive calculator
11/01/1977US4056844 Memory control system using plural buffer address arrays
10/1977
10/25/1977US4055757 Calculator apparatus with annuity switch for performing begin-and end-period annuity calculations
10/25/1977US4055755 Switching assembly in combination wristwatch and calculator
10/11/1977US4053755 Pedometer distance-measuring device
10/11/1977US4053735 Assured-check computer-based bank credit disbursing system
10/04/1977US4051605 Competitive educational calculator
09/1977
09/27/1977US4051551 Multidimensional parallel access computer memory system
09/27/1977US4051356 Keyboard controlled data converter
09/20/1977US4050095 Call load sharing system between a plurality of data processing units
09/20/1977US4050058 Microprocessor with parallel operation
09/20/1977US4049974 Precharge arithmetic logic unit
09/20/1977US4049955 Temporary memory for calculator-recorder system
09/13/1977US4048673 O bus interface for a data processing system
09/13/1977US4048672 Switch matrix control and display
09/13/1977US4048632 Drive circuit for a display
09/13/1977US4048624 Calculator system having multi-function memory instruction register
09/13/1977US4048484 Digital grade averager
09/06/1977US4047201 I/O Bus transceiver for a data processing system
09/06/1977US4047012 General purpose calculator having factorial capability
09/06/1977US4047010 Multi-functional electronic watch
09/06/1977US4046995 Memory fullness indicator
08/1977
08/23/1977US4044350 Electromechanical transducer for relief display panel
08/23/1977US4044333 Data processing switching system
08/23/1977US4044242 Data selection and display arrangement for a small device
08/23/1977US4044228 Electronic calculator with printer
08/16/1977US4042914 Microprogrammed control of foreign processor control functions
08/09/1977US4041472 Data processing internal communications system having plural time-shared intercommunication buses and inter-bus communication means
08/09/1977US4041471 Data processing system including a plurality of programmed machines and particularly including a supervisor machine and an object machine
08/09/1977US4041460 Multi-processor data processing system peripheral equipment access units
08/09/1977US4041330 Selectable eight or twelve digit integrated circuit calculator and conditional gate output signal modification circuit therefor
08/02/1977US4040048 Display of mathematical equations
08/02/1977US4040035 Microprocessor having index register coupled to serial-coupled address bus sections and to data bus
08/02/1977US4040032 Peripheral device controller for a data processing system
07/1977
07/26/1977US4038535 Calculator-print cradle system
07/26/1977US4037931 Liquid crystal display cell driving circuit
07/19/1977US4037214 Key register controlled accessing system
07/19/1977US4037212 Information processing system
07/19/1977US4037092 Calculator having preprogrammed user-definable functions
07/12/1977US4035777 Data processing system including parallel bus transfer control port
07/12/1977US4035627 Scientific calculator
07/05/1977US4034351 Method and apparatus for transmitting common information in the information processing system
07/05/1977US4034347 Method and apparatus for controlling a multiprocessor system
06/1977
06/28/1977US4032899 Apparatus and method for switching of data
06/28/1977US4032896 Microprocessor having index register coupled to serial-coupled address bus sections and to data bus
06/28/1977US4032753 Programming apparatus
06/28/1977US4032222 Controlled reflection readout for digital displays
06/21/1977US4031376 Calculating method and apparatus for handicapping thoroughbred races and the like
06/14/1977US4030079 Processor including incrementor and program register structure
06/14/1977US4030076 O devices
06/14/1977US4029915 Miniaturized calculator keyboard switch assembly having universally pivoted key actuators
06/07/1977US4028682 Circuit arrangement for selecting the function of connection contacts on circuit chips
06/07/1977US4028664 Apparatus for dispatching data of the highest priority process having the highest priority channel to a processor
06/07/1977US4028538 Programmable calculator employing algebraic language
06/07/1977US4028509 Simplified tabulator keyboard assembly for use in watch/calculator having transparent foldable flexible printed circuit board with contacts and actuator indicia
05/1977
05/31/1977US4027292 Synchronous data processing system having arithmetic and control units controlled by single-phase clock pulses
05/03/1977US4020527 Grip for a hand held portable device
04/1977
04/12/1977US4017725 Solar powered portable calculator
04/05/1977US4016546 Bus switch coupling for series-coupled address bus sections in a microprocessor
04/05/1977US4016545 Plural memory controller apparatus
04/05/1977US4016411 Mini electronic calculator with blackboard display format
03/1977
03/29/1977US4015245 Biprogrammable electronic accounting machine
03/29/1977US4015242 Device for coupling several data processing units to a single memory
03/29/1977US4015241 Information processing system
03/22/1977US4014016 Audio indicating system
03/22/1977US4014005 Configuration and control unit for a heterogeneous multi-system
03/15/1977US4012725 Programmable calculator
03/15/1977US4012717 Bi-processor data handling system including automatic control of exchanges with external equipment and automatically activated maintenance operation
03/08/1977US4011545 Computer and communications systems employing new architectures
03/01/1977US4010449 Mos computer employing a plurality of separate chips
03/01/1977US4010448 Interrupt circuitry for microprocessor chip
02/1977
02/22/1977US4009470 Pre-emptive, rotational priority system
02/22/1977US4009379 Portable programmable calculator displaying absolute line number addresses and key codes and automatically altering display formats
02/08/1977US4007450 Data sharing computer network
02/08/1977US4007444 Microprogrammed computing device
02/08/1977US4007364 Writing instrument with calculator
02/08/1977US4007354 Calculator and medium with commands for calculator operation
02/01/1977US4006457 Logic circuitry for selection of dedicated registers
01/1977
01/25/1977US4005400 Data entry and decoding system for scripted data
01/25/1977US4005293 Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips
01/18/1977US4004282 Circuit arrangement for an integrated data processing system composed of a small number of different chip types with all chips directly connectable to a common collecting bus
01/18/1977US4004281 Microprocessor chip register bus structure
01/18/1977US4004280 Calculator data storage system
01/18/1977US4004277 Switching system for non-symmetrical sharing of computer peripheral equipment
01/11/1977US4003028 Interrupt circuitry for microprocessor chip
01/11/1977US4002892 Portable calculator
01/04/1977US4001569 General purpose calculator having selective data storage, data conversion and time-keeping capabilities
01/04/1977US4000565 Digital audio output device
12/1976
12/21/1976US3999050 Electronic diary
12/07/1976US3996562 Programmable electronic calculator for evaluating mathematical problems
11/1976
11/30/1976US3995148 Electronic calculator having an exponentiation function
11/30/1976US3995123 Telephone calculator
11/23/1976US3993980 System for hard wiring information into integrated circuit elements
11/09/1976US3991306 Electronic calculator or digital processor chip with separately controllable digit and segment outputs
11/09/1976US3991305 Electronic calculator or digital processor chip with multiple code combinations of display and keyboard scan outputs
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