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Searching: cpu processor





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Patent # Description
US-4,920,481 Emulation with display update trapping
An emulating data processor includes a host system and an emulating processor with outputs to and inputs from the host system. The emulating processor executes...
US-4,914,570 Process distribution and sharing system for multiple processor computer system
A multiple processor (CPU) computer system, each CPU having a separate, local, random access memory means to which it has direct access. An interprocessor bus...
US-4,903,233 Word processor having capability of continuously entering documents into a column or a block of an editing system
An editing system for use in a word processor includes a letter code producer for sequentially producing letter codes, a document memory having a plurality of...
US-4,901,235 Data processing system having unique multilevel microcode architecture
A data processing system which includes a central processor unit which has an arithmetic logic unit (ALU) for performing fixed point arithmetic operations and a...
US-4,901,230 Computer vector multiprocessing control with multiple access memory and priority conflict resolution method
A multiprocessing system and method for multiprocessing is disclosed. A pair of processors are provided, and each are connected to a central memory through a...
US-4,899,275 Cache-MMU system
A cache and memory management system architecture and associated protocol is disclosed. The cache and memory management system is comprised of a set associative...
US-4,897,865 Telephone data collection device
A telephone data terminal and data collection network for communicating data over a telephone system using DTMF tone dialing. A telephone data terminal (10)...
US-4,894,769 Increased bandwith for multi-processor access of a common resource
This circuitry permits equal access to a shared resource by a number of central processing units (CPUs). In a multiple CPU arrangement, common resource...
US-4,891,787 Parallel processing system with processor array having SIMD/MIMD instruction processing
A highly-parallel processing system in which a number of processing elements are interconnected by a network, and are also connected to a system bus and are...
US-4,891,768 Raster image processor
Raster image processor for filling a page-size raster image memory and for the conversion of the data stored in the raster image memory into a serial pixel-bit...
US-4,885,679 Secure commodity bus
A secure system includes a secure central processor unit, an input/output emulator, a number of commodity controller boards and a number of commodity memory...
US-4,879,642 Servo loop processor in association with a central processing unit for closed loop control of a servo system
A servo loop processor (2) is a dedicated controller for use with a main central processing unit (4) (CPU), through an appropriate interface (8,10) whereby...
US-4,873,626 Parallel processing system with processor array having memory system included in system memory
A highly-parallel processing system in which a number of processing elements are interconnected by a network, and are also connected to a system bus and are...
US-4,870,564 Distributed input/output system
The invention disclosed provides an intelligent input/output system for a programmable controller and includes a plurality of input/output (I/O) modules, each of...
US-4,866,600 Computer video control system
Video control circuitry for controlling the video format presented to the cathode ray tube or screen and capable of providing a combination of character...
US-4,864,289 Video display control system for animation pattern image
A video display control system displays a multicolor animation pattern on a screen of a video display unit. The video display control system is mainly ...
US-4,862,352 Data processor having pulse width encoded status output signal
A data processor is provided with status logic for monitoring the instruction processing activity therein, and for providing a pulse width encoded status output...
US-4,852,100 Error detection and correction scheme for main storage unit
The present invention provides an apparatus for reporting errors in data stored in a memory apparatus of a data processor, comprising: first means for storing...
US-4,851,992 Register/saving/restoring system for saving and restoring data in a register of a slave processor
A register saving/restoring system for use in a data processing system is constructed of a CPU and at least one slave processors. The registers of the slave...
US-4,850,012 Automated access facilities for use with key telephone systems
A call processor (32) for intercepting incoming calls to a key telephone system (10) and returning a message to a calling party. A digital message storage unit...
US-4,847,751 Multi-task execution control system
In a microcomputer system, having independently programmed tasks and a master control processing unit (CPU), tasks can be switched independent of the master CPU...
US-4,837,688 Multi-channel shared resource processor
An external dispatcher distributes prioritize tasks to a plurality of processor channels. The processor channels then contend for one of two partitions for the...
US-4,835,534 Monitoring a conflict detector for traffic-lights
A monitoring system for energization of traffic lamps (L 1 . . . L 8), with energy supplied from a common voltage source. Protection is provided so that...
US-4,831,572 Polynomial vector arithmetic operation control system
A system for controlling polynomial arithmetic operations of a vector arithmetic processor capable of executing the arithmetic operations independently of a...
US-4,828,257 Electronically controlled exercise system
A system and method for providing an exercise program at a desired pace throughout each repetition and which applies resistance against a user's efforts based...
US-4,823,262 Apparatus for dynamically switching the clock source of a data processing system
A data processing system includes a first and a second central system wherein the central processing unit (CPU) of the first central system is operatively...
US-4,821,229 Dual operating speed switchover arrangement for CPU
A user selectable switch arrangement in combination with logic circuitry allows the timing of a central processor unit (CPU) to be switched between two clock...
US-4,821,179 Communication system configuration detection apparatus and method
A data processing system includes a processor unit (CPU) connected over a CPU bus to a plurality of memory components, but is not connected to any input-output...
US-4,821,178 Internal performance monitoring by event sampling
The disclosure provides event-controlled operations for an internal hardware/softward monitor for a processor in a data processing system. It embeds and...
US-4,812,828 Video display processor
A video display processor (VDP) is connectable to an input control device such as a light pen and a mouse. The VDP comprises a counter circuit which is composed...
US-4,811,345 Methods and apparatus for providing a user oriented microprocessor test interface for a complex, single chip,...
Methods and apparatus are disclosed that facilitate the testing and development of computer systems that include at least one single chip microprocessor. In...
US-4,811,280 Dual mode disk controller
A dual mode disk controller is disclosed for use between a host processor and its storage medium for controlling data transfer to and from the storage medium....
US-4,803,632 Intelligent utility meter system
A data processor type utility meter for electricity, and/or water, gas and therms, is provided with a display which successively displays any or all of the...
US-4,800,423 Interface module for superimposing alphanumeric characters upon RGB video signals
An interface module for superimposing alphanumeric characters upon external GB video signals received by a SCART connector of a television set is disclosed. The...
US-4,799,148 Interrupt control system having a processor for determining service priority among a plurality of modules...
An interrupt control apparatus in a data processing system has a central processing unit (CPU) and a plurality of modules which are connected to a common bus....
US-4,791,553 Control unit of input-output interface circuits in an electronic processor
The control unit is arranged to handle the requests for transmission and reception interrupts (i.e. requests to the central logic unit CPU to halt its operative...
US-4,787,030 Data processing apparatus with fixed address space
A CPU initializes pluggable adapters with built-in identity and conditional ROS and complies a Hardware First Level Interrupt Handler (HFLIH) table of identity...
US-4,779,188 Selective guest system purge control
The embodiments enable address translations for a virtual machine in the TLB (translation lookaside buffer) of a CPU to be retained from exiting a SIE (start...
US-4,777,591 Microprocessor with integrated CPU, RAM, timer, and bus arbiter for data communications systems
A microprocessor device used as an adapter for a communications loop of the closed-ring, token-passing, local area network type is disclosed. Each station on the...
US-4,774,660 Increased bandwidth for multi-processor access of a common resource
This circuitry permits equal access to a shared resource by a number of central processing units (CPUs). In a multiple CPU arrangement, common resource...
US-4,773,037 Increased bandwidth for multi-processor access of a common resource
This circuitry permits equal access to a shared resource by a number of central processing units (CPUs). In a multiple CPU arrangement, common resource...
US-4,764,925 Method and apparatus for testing integrated circuits
A processor controlled IC component test apparatus adapted to be employed in-line with automatic IC DIP component handling equipment is capable of conducting a...
US-4,764,868 Distributed input/output system
An intelligent input/output system for a programmable controller includes a plurality of input/output (I/O) modules, each of which may be located in proximity to...
US-4,757,443 Data processing system with unified I/O control and adapted for display of graphics
A data processing system which includes a central processing unit (CPU) to which is connected an I/O bus and a memory bus is disclosed. The data processing...
US-4,742,485 Word processor with type through mode
A word processor includes a keyboard, a cathode-ray tube, a first and a second storage devices, a central processing unit, and an internal storage. The first...
US-4,740,969 Method and apparatus for recovering from hardware faults
A method and apparatus for recovery from a fault occurring within a computing system using a hardware recovery module comprising a microprocessor dedicated for...
US-4,737,932 Processor
A processor includes a central processing unit (CPU), a local memory and a local memory access device which are coupled to an internal bus, and an input/output...
US-4,736,409 Control data transmission system for private branch exchange
A private branch exchange includes a common control module and a plurality of line/trunk modules. A plurality of line/trunk cards are contained in a respective...
US-4,727,486 Hardware demand fetch cycle system interface
A data processing system includes a central processor unit (CPU), a main memory and a memory management unit (MMU). Information is stored in main memory in...
US-4,724,520 Modular multiport data hub
A data hub for facilitating and effecting data transfers between signal processors with high efficiency is disclosed. The data hub receives low priority data...
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