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5996017 |
Method for information exchange in the customer/server mode between stations connected by a communication network
A method for information exchange in the customer/server mode between stations connected by a communication network is described. An emulated server (SEM) is provided at at least certain stations....
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5991532 |
Method and apparatus for converting multimegabit-rate data into asynchronous transfer mode cells and vice versa
A method that converts multimegabit-rate data into asynchronous transfer mode ATM cells and vice versa which are utilized in a switching system. The method includes determining whether the data is...
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5991530 |
Interface device receivable in card storage device slot of host computer
The present invention relates to a data processing device which is also used as an interface device for connecting an external storage device to a host computer to which a card form of storage...
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5987531 |
Control board system including a removable terminal stand which can easily conform to different specifications and power sources
A control board includes a plate 7 for the control board including a first printed board for mounting a control section 56 and a first connecter 9; and a removable terminal stand plate 1 including...
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5983012 |
Executing programs of a first system on a second system
An emulator executes on a second data processing system as a second system user level process including a first system user level program, a first system executive program, and first system user...
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5983367 |
Microprocessor having a CPU and at least two memory cell arrays on the same semiconductor chip, including a shared sense amplifier
A CPU can selectively execute a normal processing mode and a debugging mode on the basis of a control signal sent from a control unit. A first memory cell array is accessed in the normal processing...
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5974249 |
Zero footprint method and apparatus for expanding allocated memory space of a process using a virtual memory area
The invention is an apparatus and computer method for controlling the operation of a computer running under an operating system such as WINDOWS® 95 and WINDOWS® NT operating system, or their...
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5970240 |
Method and apparatus for configurable memory emulation
A configurable method and apparatus for implementing the various large memory instances commonly found in a user's design in a hardware logic emulation system is disclosed. No external boards or...
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5963736 |
Software reconfigurable target I/O in a circuit emulation system
A time-sliced hardware-based emulator including at least one of: programmable I/O assignment; programmable levels of DC voltage; programmable pull-up or pull-down resistors in the emulator on a...
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5930495 |
Method and system for processing a first instruction in a first processing environment in response to intiating processing of a second instruction in a emulation environment
A method and system are disclosed in a first data processing system for processing a first instruction in response to an initiation of processing of a second instruction in an emulation...
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5901315 |
Method for debugging a Java application having native method dynamic load libraries
A method for debugging a target application comprising Java code having native method dll's associated therewith. The method is carried out in a computer having an operating system, a system debug...
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5898861 |
Transparent keyboard hot plug
A computer system that provides for transparent plugging and unplugging of a keyboard independent of system operation. A virtual keyboard device communicates with the system keyboard controller...
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5896513 |
Computer system providing a universal architecture adaptive to a variety of processor types and bus protocols
A computer system providing a universal architecture includes a processor card connected to a system bus of a host computer system. The processor card is adapted for insertion into a slot of the...
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5892683 |
Program compatibility recognition for a programmable logic device
A program compatibility recognition system for an integrated circuit. A programming device 4, including programming software 8, is used to program an integrated circuit 2 such as a field...
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5889978 |
Emulation of interrupt control mechanism in a multiprocessor system
A multiprocessor computer system that includes an emulation feature for lowest priority processor software compatibility while providing fault tolerance includes first and second processors coupled...
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5889977 |
Method and apparatus for ensuring feature compatability and communicating feature settings between processors and motherboards
A handshake mechanism is provided to allow feature compatible processor and motherboard combinations to operate, and incompatible combinations to fail safely. The handshake mechanism also...
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5890002 |
System and method for bus master emulation
A system and method in accordance with the invention allows the emulation of a DMA transfer between a device such as a CD-ROM which is incapable of a bus-mastering mode of operation (e.g., a DMA...
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5884064 |
System for emulating a virtual path in an ATM network
A facility for mapping a plurality of different Virtual Circuit Channels (VCC) into a single VCC is provided for use in a data network. In operation, the facility assembles, in turn, data cells...
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5881267 |
Virtual bus for distributed hardware simulation
Virtual bus stubs, which can be distributed among constituent computers of a computer network, and a central resolver cooperate to simulate a bus which is connected between multiple circuit parts...
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5881269 |
Simulation of multiple local area network clients on a single workstation
Multiple users are emulated in a network environment by means of a multithreaded process in a client workstation. A plurality of client threads and associated network request queues are provided....
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5877942 |
Circuit card assembly footprint providing reworkable interconnection paths for use with a surface mount device
A circuit card assembly is provided for use in testing a system wherein the circuit card assembly employs a surface mount device such as a field programmable gate array. The circuit card assembly...
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5878282 |
Portable information device and system and method for downloading executable instruction from a computer to the portable information device
A system is provided to exchange information between a computer and a programmable portable information device (PID) using a standard memory drive, such as a 3.5" disk drive or a PCMCIA port. The...
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5878246 |
System for linking an interposition module between two modules to provide compatibility as module versions change
Apparatus that provides additional flexibility for a computer interface that serves two computer subsystems, when at least one of these subsystems undergoes a change, such as a new version, a...
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5848267 |
Computer system speed control using memory refresh counter
A computer system which provides for slowing the effective speed of a microprocessor. The microprocessor includes a disabling input that when deactivated disables operations of the microprocessor...
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5838948 |
System and method for simulation of computer systems combining hardware and software interaction
A system for simulation of target electronic systems combining interacting elements of hardware and executing software, in part by physical emulation means and in part by abstract software...
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5835750 |
User transparent system using any one of a family of processors in a single socket
A digital computer system having a socket capable of accepting any one of a family of processors, the family being defined as those processors having commonality of their respective basic...
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5828855 |
Socket simulation protocol for network printing systems
A network printing system is provided for allowing a single channel connection to support multiple channel connections when implemented over a direct connect, non-network device. More particularly,...
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5828884 |
Method for compiling a software program and executing on a system which converts data between different endian formats
A method for compiling a software program and executing the program on a data processing system which performs conversion between data formatted in differing endian formats, namely big-endian and...
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5828829 |
System test support system and system test support method
An objective of the present invention to provide a system test support system and a system test support method which allows a developer to make a significant test even when the input contents are...
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5826059 |
Microcomputer for emulation
A microcomputer for emulation which has been conventionally unusable when built-in RAM capacities are different, because an access to an internal function circuit is different in bus control, wait...
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5826017 |
Apparatus and method for communicating data between elements of a distributed system using a general protocol
Apparatus and methods for communicating using protocols. The apparatus and methods employ protocol descriptions written in a device-independent protocol description language. A protocol is executed...
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5822563 |
Process for simulating a server architecture from a client architecture
The invention relates to a process for simulating, in a network, a server architecture from a client architecture in a first machine (PS) for the execution of remote procedure calls (RPC sent by at...
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5819071 |
Remote simulation of data transmission
A user machine simulates data transmission by remotely accessing and starting up a remote machine, and communicating the data transmission method to be simulated to the remote machine. The remote...
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5819064 |
Hardware extraction technique for programmable reduced instruction set computers
A new class of purpose computers called Programmable Reduced Instruction Set Computers (PRISC) use RISC techniques a basis for operation. In addition to the conventional RISC instructions, PRISC...
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5819067 |
Computer system configured to translate a computer program into a second computer program prior to executing the computer program
A computer system is provided which includes at least two microprocessors. The first microprocessor is configured to translate instructions from an original computer program coded in a first...
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5819063 |
Method and data processing system for emulating a program
A method and data processing system for emulating a program are disclosed. According to the present invention, the data processing system runs under a first operating system and emulates the...
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5812823 |
Method and system for performing an emulation context save and restore that is transparent to the operating system
A system and method for performing an emulation context switch save and restore in a processor that executes host applications and emulates guest applications. The processor includes an operating...
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5812825 |
Integrated console and console apparatus and method for use thereof
An integrated console connected to a plurality of computer systems for sending a command entered from an input device to one of the computer systems which executes commands corresponding to the...
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5812822 |
Apparatus for coordinating clock oscillators in a fully redundant computer system
A redundant computer system including two systems capable of independent operation. The two systems correspondingly employ two independent clock generation and distribution (CGD) units which each...
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5812819 |
Remote access apparatus and method which allow dynamic internet protocol (IP) address management
A user at a remote computer is provided access to a computer network by a remote access device coupled to the network. The remote access device receives from the remote computer a username which...
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5812826 |
Method and apparatus for emulating a network of state monitoring devices
A method and apparatus for emulating a change-of-state (COS) report network fully tests a monitor and/or control system (MCS). The communication and behavior of a COS report network are emulated...
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5809559 |
System and method utilizing a virtual addressing buffer circuit to emulate a device which is physically not present
A method and apparatus using a virtual addressing buffer circuit afford address mapping and control flexibility to provide a unique opportunity for device emulation and software debugging. The...
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5809233 |
Method of mapping from ATMARP to NHRP
The present invention is directed to a method of resolving protocol addresses using new protocols. Gateways that map ATMARP packets to NHRP packets are placed in the network to make translations...
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5809282 |
Automated network simulation and optimization system
A system for selecting options for modifying a network architecture in accordance with user preferences using a knowledge base and a database. The knowledge base includes rules to select...
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5805470 |
Verification of instruction and data fetch resources in a functional model of a speculative out-of order computer system
A system and method for verifying the correct behavior of instruction and data fetches and the order of instruction and data fetch resource modifications by a speculative and or out-of-order...
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5802345 |
Computer system with a reduced number of command end interrupts from auxiliary memory unit and method of reducing the number of command end interrupts
A computer system which includes a host machine having a memory and a CPU with an interrupt handling feature, an auxiliary memory unit for recording and reproducing data and an input/output unit...
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5802351 |
Data interface
A data buffer (23) is positionable between processing devices, such as microcontroller (21) and a digital signal processor (22). Messages are transmitted between the devices via a dual port RAM...
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5802350 |
System and method for selecting an interrupt system based upon the operating system of a multiprocessor system
A system and method for allowing different operating systems to be utilized in a multiprocessing system is provided in which each of the different operating systems requires different types of...
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5802347 |
Emulator with function for detecting illegal access to special function register
An interface section controls a communication interface between an in-circuit emulator and a host computer. A CPU core board for emulating a CPU core section of the computer has therein a special...
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5802318 |
Universal serial bus keyboard system
A keyboard system according to the present invention includes a serial bus host controller coupled to a serial bus keyboard. The keyboard includes both keyboard scan logic and scan code conversion...
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