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Searching: cpu processor





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Patent # Description
US-5,132,971 In-circuit emulator
An in-circuit emulator is inserted in a CPU socket of a target system that uses a program designed to use virtual addresses. The in-circuit emulator includes a...
US-5,129,064 System and method for simulating the I/O of a processing system
The system and method of this invention allows a simulated processor to receive an interrupt request from I/O devices. A simulated interrupt controller routine...
US-5,125,088 Computer system speed control at continuous processor speed
A personal computer is disclosed having a high speed microprocessor which executes in a variety of selectable speed modes to provide greater compatibility with...
US-5,125,084 Control of pipelined operation in a microcomputer system employing dynamic bus sizing with 80386 processor and...
Any incompatibility between pipelined operations (such as is available in the 80386) and dynamic bus sizing (allowing the processor to operate with devices of...
US-5,123,094 Interprocessor communications includes second CPU designating memory locations assigned to first CPU and...
A method for performing inter-processor communications in a multiprocessor system combines the sending of a message with the sending of a message interrupt....
US-5,119,494 Application address display window mapper for a sharable MS-DOS processor
In accordance with the present invention, an address mapper is provided between the CPU running a MS-DOS application program and a frame buffer, so as to allow...
US-5,113,500 Multiple cooperating and concurrently operating processors using individually dedicated memories
A personal computer (PC) desktop workstation using a first operating system is enhanced with a single PC bus extension card (SCAMP Board) within its base housing...
US-5,099,516 Digital computer code word identification system
A digital computer system has a central processor unit (CPU). A computer program, entered into the digital computer system for execution thereof, has a program...
US-5,097,470 Diagnostic system for programmable controller with serial data link
A diagnostic system coupled to a programmable logic controller (PLC) via a serial data link monitors the operation of apparatus under the control of the PLC....
US-5,097,409 Multi-processor system with cache memories
A system having a CPU, a main memory and a bus. A cache memory couples the CPU to the bus and is provided with circuitry to indicate the status of a data unit...
US-5,095,520 Method and apparatus for drawing wide lines in a raster graphics system
A method and apparatus for drawing wide lines in a raster graphics system such as a laser printing or display system utilizes a graphics processor with rectangle...
US-5,088,033 Data processing system emulation in a window with a coprocessor and I/O emulation
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-5,084,814 Data processor with development support features
A data processor with development support features includes an alternate mode of operation in which instructions are received by means of an ...
US-5,081,701 System for controlling data transfer using transfer handshake protocol using transfer complete and transfer...
A circuit for controlling data transfer handshake protocol so that certain protocol events may occur prior to or simultaneously with the completion of a...
US-5,072,376 Measuring utilization of processor shared by multiple system control programs
In a computer system wherein control of a processor is time multiplexed among more than one system control program, the utilization by a system control program...
US-5,072,294 Method and apparatus for analyzing a body having a marker located thereon
A video motion analysis system wherein a camera converts an image of a body having illuminated markers placed thereon into a plurality of image frames. Each...
US-5,056,041 Data processing apparatus with improved bit masking capability
A graphics processor device is disclosed which performs bit-by-bit masking outside of the central processing unit, by way of a read-modify-write cycle to...
US-5,051,992 Data link control method and system for integrated services digital network
There is a communication system comprising: an integrated services digital network (ISDN) having a plurality of information channels (Bch) and at least one...
US-5,045,997 Data processor
The efficiency of a processor in which a packet is stored in a receiver buffer, processed in a central processing unit, and sent out via a transmitter buffer, is...
US-5,041,962 Computer system with means for regulating effective processing rates
A digital computer system having a local cache memory and a system bus also has a subsystem for regulating the effective processing rate of the central processor...
US-5,034,877 Motion control
A motion and position control for use in a system that includes a motor or other prime mover for moving a tool or other device and a sensor that generates a...
US-5,020,020 Computer interconnect system with transmit-abort function
A computer interconnect system uses packet data transmission over serial links connecting nodes of a network. The serial links may provide simultaneous dual...
US-5,008,949 Image processing system
An image processing system has a computer bus line to which a communication controller or the like is connected, an image processor, an RP adapter including a...
US-5,005,121 Integrated CPU and DMA with shared executing unit
A data processor controller for a microprogramming system is constructed with a single operation execution unit serving both a microprocessor and a peripheral...
US-5,003,464 Methods and apparatus for efficient resource allocation
A multiprocessor data processing system is described in which the function of coordinating the actions of all of the processors of the multiprocessor system can...
US-5,001,662 Method and apparatus for multi-gauge computation
Methods and apparatus are provided for performing multi-gauge arithmetic operations in a microprocessor CPU. Special purpose instructions facilitate parallel...
US-5,001,625 Bus structure for overlapped data transfer
An improved system bus structure for versatile use in various digital computer architecture configurations, particularly those of mini-supercomputers, and,...
US-4,996,639 Data processor including an A/D converter for converting a plurality of analog input channels into digital data
A data processor includes a CPU and an A/D converter for converting one of several analog inputs into digital data. A data memory stores data designating analog...
US-4,989,208 Data processor
In a single chip microcomputer, functional blocks such as the central processing unit (CPU), the ROM for storing programs, the RAM for storing the data and the...
US-4,987,534 Processor having synchronized operation between a CPU and a vector processor
A vector processor which maintains synchronization with an associated CPU by limiting the operational instruction proceedings. The vector processor utilizes an...
US-4,985,829 Cache hierarchy design for use in a memory management unit
A cache hierarchy to be managed by a memory management unit (MMU) combines the advantages of logical and virtual address caches by providing a cache hierarchy...
US-4,982,402 Method and apparatus for detecting and correcting errors in a pipelined computer system
In a multiprocessor system, an error occurring in any one of the CPUs may have an impact upon the operation of the remaining CPUs, and therefore these errors...
US-4,979,131 Printer apparatus
A printer apparatus is provided with a frame memory for storing a printing pattern, a printing head driven in accordance with the printing pattern stored in the...
US-4,975,838 Duplex data processing system with programmable bus configuration
A duplex data processing system includes two processors each provided with a bus connecting unit which disconnects the associated CPU bus from the cross...
US-4,975,832 Microcomputer system with dual DMA mode transmissions
A microcomputer interfaced with an input/output (I/O) device comprises a central processor unit (CPU), a memory, and a direct memory access (DMA) controller,...
US-4,965,717 Multiple processor system having shared memory with private-write capability
A computer system in a fault-tolerant configuration employs multiple identical CPUs executing the same instruction stream, with multiple, identical memory...
US-4,962,459 System for accounting for postage expended by a postage meter having data security during printing
A system for accounting for postage expended by a postage meter. The system includes a keyboard and display for entry of commands and postal information, a...
US-4,961,161 Arithmetic processor performing mask and trap operations for exceptions
A floating-point arithmetic processor performs a MASK or TRAP operation in response to occurrence of an exception. This processor includes a first flag which is...
US-4,959,810 Universal remote control device
The universal remote control system comprises data processor, input device including a keyboard and a keyboard circuit connected to the data processor, signal...
US-4,959,771 Write buffer for a digital processing system
The invention comprises a write buffer system which provides residence time information that increases the merge potential and enhances the write collapse...
US-4,958,291 System for accounting for postage expended by a postage meter having security during editing of accounts
A system for accounting for postage expended by a postage meter. The system includes a keyboard and display for entry of commands and postal information, a...
US-4,956,804 Data processing system with memories access time counting and information processor wait signal generating...
An electronic equipment has a central processing unit (CPU), a first memory accessable by the CPU, a first setting circuit for holding a signal representative of...
US-4,954,949 Universal connector device for bus networks in host computer/co-processor computer system
A connector device for use in communication of data between the central processing unit (CPU) bus of a host computer system and the CPU bus of a co-processor...
US-4,951,248 Self configuring memory system
A self configuring memory for a computer system. Memory is distributed between a central processor unit (CPU) memory and expansion memory boards that are...
US-4,951,195 Condition code graph analysis for simulating a CPU processor
The system and method of this invention simulates the flow of control of an application program targeted for a specific instruction set of a specific processor...
US-4,939,641 Multi-processor system with cache memories
A system is described wherein a CPU, a main memory means and a bus means are provided. Cache memory means is employed to couple the CPU to the bus means and is...
US-4,928,250 System for deriving radiation images
In an algorithm for deriving radiation images, where view independent radiation calculations are precomputed so that they do not need to be repeated for every...
US-4,928,238 Scalar data arithmetic control system for vector arithmetic processor
A vector arithmetic processor includes a register file for storing an operand of an instruction supplied from a CPU, at least one pointer register for storing...
US-4,926,871 Apparatus and method for non-invasively and automatically measuring the volume of urine in a human bladder
An apparatus/method for measuring the volume of urine in a human bladder, including a scanhead and transceiver for transmitting a plurality of ultrasound signals...
US-4,922,526 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...
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