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6366878 Circuit arrangement for in-circuit emulation of a microcontroller  
A circuit configuration allowing for in-circuit emulation, comprising a memory containing an operating program; and a first and second microcontrolller. Each microcontroller has a computer core,...
6363335 Communications bridge for circuit switched data transfer simulation  
A communications bridge for simulating circuit switched call links to user equipment is provided. According to one embodiment, the communications bridge receives data from the user equipment over...
6345349 Combined memory and mass storage device  
A low-cost computing device utilizes a fast access mass storage device with microsecond access times for both its mass storage and main memory requirements. The storage device is configured with a...
6342905 Object oriented apparatus and method for providing a graphical user interface for host-based software applications  
An object oriented computer apparatus and method provides a graphical user interface (GUI) for existing host-based (i.e., green screen) applications by defining some object oriented classes that...
6341329 Virtual tape system  
A method and apparatus for emulating a magnetic tape storage device with a conventional, unmodified magnetic disk storage device. I/O output requests for the emulated magnetic tape storage device...
6324497 Tape drive emulation system including tape library interface  
An improved virtual tape storage device that utilizes a standard tape library coupled to the host to destage virtual volumes to reclaim space in the virtual storage system.
6317705 Remote terminal emulator with improved time accounting  
A remote terminal emulator (RTE) is provided in which substantially all of the time elapsing during an emulated use of a computer system under test is categorized and reported. The time required...
6308146 System and method for simulating user input to control the operation of an application  
The system for simulating user input to control the operation of an application includes a processor and software operable on the processor to enable the selection of application specification...
6308237 Method and system for improved data transmission in accelerated graphics port systems  
A method and system for improving data transmission in data processing systems, especially in the context of data processing systems utilizing the Accelerated Graphics Port (AGP) interface...
6304935 Method and system for data transmission in accelerated graphics port systems  
A method and system for data transmission in data processing systems, especially in the context of data processing systems utilizing the Accelerated Graphics Port (AGP) interface standard. The...
6304950 Microprocessor having ROM areas emulated by RAM areas  
A microcomputer includes a read only memory (ROM) with ROM areas in a built-in ROM for emulation by a random access memory (RAM) for fine tuning a program to be written into the ROM. The...
6298318 Real-time IMU signal emulation method for test of Guidance Navigation and Control systems  
A real-time IMU emulation method for GNC method includes the step of receiving real-time flight data from a 6DOF flight simulator and generating simulated IMU electronic signals according to the...
6275785 Hardware simulator for a transaction processing system  
A hardware simulator (46',100) for a transaction processing system (20,40) is disclosed. The transaction processing system is responsive to transaction requests (12) from an application (10). The...
6272452 Universal asynchronous receiver transmitter (UART) emulation stage for modem communication  
A universal asynchronous receiver transmitter (UART) emulation stage for modem communication uses a digital signal processor containing a software UART control program for sending UART control...
6260110 Virtual tape system with variable size  
A method and apparatus for emulating a magnetic tape storage device with a conventional, unmodified magnetic disk storage device. I/O output requests for the emulated magnetic tape storage device...
6260006 System and method for multi-volume tape library  
A tape library system for handling multi-volume tapes includes an automated tape system with at least one tape unit and a robotic tape handling system. The tape library system receives requests...
6256665 Method for emulation of terminal-resident GUI application  
A computer system and method for transmitting information in variable length information packets, each of which can be independently processed by the receiving computer irrespective of other...
6240377 Integrated circuit with embedded reprogrammable EEPROM and emulation method to facilitate debugging  
An E2 PROM controller is provided for an emulation chip. An E2 PROM is connected to a CPU via a memory interconnect bus. The E2 PROM and the CPU are also connected to each other via a peripheral...
6233660 System and method for emulating mainframe channel programs by open systems computer systems  
A digital computer system comprises a mass storage subsystem and an "open systems" computer system. The mass storage subsystem includes a storage device for storing data and an access control for...
6230118 DOS based application supports for a controllerless modem  
DOS application programs are accommodated when using a controllerless modem by providing a virtual device driver. The virtual device driver emulates UART to UART communications and handles...
6223146 Method and apparatus for manufacturing a programmed electronic control unit for use in an anti-lock braking (ABS) system  
Method and apparatus are provided in a manufacturing area wherein a semiconductor having nonvolatile memory space is automatically programmed, tested, marked and mounted at a predetermined...
6223241 Sharing of the indirect addressing of the registers of a peripheral dedicated to emulation  
The microcontroller accesses a battery of hidden registers used essentially in the field of emulation. The fact that there is a large number of hidden registers means that it is not possible to...
6205413 End-user oriented performance monitoring system for interactive end-to-end data communications  
Performance monitoring of network connections is an integral and necessary part of network operation, administration and management. The performance monitoring reflects the "goodness" of the...
6185520 Method and system for bus switching data transfers  
In a computer system having a plurality of peripheral devices, a data transfer system for implementing transparent direct communication between the devices and the computer system. The system of...
6179488 Software execution systems  
A system 10 for executing a software program includes a simulator 15 for simulating a specific processor; a processing means 13 for executing non-specific parts of the program and including means...
6148278 Emulating the S/390 read backwards tape operation on SCSI attached tape devices  
Disclosed is a method for attaching SCSI tape devices which may only read in a forward direction to an S/390 compatible computer system. This involves translating S/390 I/O operations for channel...
6138174 Industrial control system providing remote execution of graphical utility programs  
Graphically intense utility programs for an industrial control system, requiring the same operating system as is used to run the control program, are run on remote computers having insufficient...
6106565 System and method for hardware emulation of a digital circuit  
A development system includes two processors which can each act as the central processing unit of the development system. Control is passed between the processors via a system management mode...
6101545 Message handling system for different message delivery types  
An message handling system for handling the delivery of critical and time critical messages for a near-real-time or real-time simulation environment. A message delivery type (38) accompanies each...
6083270 Devices and methods for interfacing human users with electronic devices  
A method of interfacing human users with electronic devices liberates electronic devices from specific input and output devices and substitutes a universal communication system between them. The...
6081856 Adapter and method for emulating the operation of a peripheral device of a computer  
A system, apparatus, and method for emulating the operation of a peripheral device of a computer. An adapter for communicating keyboard data to a computer via a data link and for communicating...
6078741 Automatic generation of reconfiguration scripts for telecommunication devices  
An apparatus is programmed with a plurality of programming instructions for automatically generating a reconfiguration script comprising a plurality of configuration commands for reconfiguring a...
6068661 Method of emulating synchronous communication  
The invention configures an asynchronous system to emulate a synchronous system. When an application initiates a synchronous transaction, the synchronous transaction is received by a synchronous...
6063131 Emulator system and emulation method  
An emulator system solving a problem of conventional emulator systems by recognizing a task execution history. In conventional systems, it was necessary for a microcomputer to incorporate a...
6053948 Method and apparatus using a memory model  
A computer system including a memory model of a memory circuit. The computer system comprises a processor coupled to receive and manipulate the memory model, and a memory including the memory...
6035116 Information processing apparatus having an initializing emulation program to provide compatibility between different models  
An information processing system and apparatus and an information recording medium wherein the compatibility of a program between preceding and succeeding models is assured without requiring a...
6028996 Method and apparatus for virtualizing system operation  
A method and apparatus for emulating operation of a complex circuit within a system, thereby creating a virtual system, is achieved within a system that includes a central processing unit (CPU),...
6018626 Error correction method and apparatus for disk drive emulator  
An error correction system (10) is provided for correcting up to two bits per sector stored in a solid state non-volatile memory (12) which emulates a disk drive. The error correction system (10)...
6018763 High performance shared memory for a bridge router supporting cache coherency  
An internetwork device manages the flow of packets of I/O data among a plurality of network interface devices. The internetwork device includes an I/O bus which is coupled to the plurality of...
6009259 Emulation System  
IC 5 for exclusive use in wiring control has been used in conventional emtion system which is difficult in coping with various types of logic verification and results in high cost. An emulation...
6009260 Emulation device with no fear of faulty operation due to noise  
In an emulation device comprising an emulation unit having a debugging function and a probe for use in connecting the emulation unit with a target system, the probe comprises a cable assembly for...
6006029 Emulating disk drives of a first system on a second system  
The emulation of a first system disk drive on a second processing system including a second system user level process including first system user and executive tasks issuing disk input/output...
5996029 Information input/output control apparatus and method for indicating which of at least one information terminal device is able to execute a functional operation based on environmental information  
There is disclosed an information input/output control device and a method therefor which displays a list of identification informations indicating an information terminal device with which a...
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...
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...
5963735 Hardware logic emulation system  
A system for physical emulation of electronic circuits or systems includes a data entry workstation where a user may input data representing the circuit or system configuration. This data is...
5958054 System and method for emulating an uninterruptable power supply (UPS) using a portable computer  
A portable computer including a chargeable battery and an AC line adapter controls the battery and adapter to emulate a full UPS-class device. A controller of the portable computer with the...
5953516 Method and apparatus for emulating a peripheral device to allow device driver development before availability of the peripheral device  
A method of emulating a peripheral device in a multiprocessor computer system to test device driver programs. The emulation program is loaded by a host microprocessor into one or more of the other...
5946469 Computer system having a controller which emulates a peripheral device during initialization  
A computer having a peripheral device emulator capable of emulating peripheral devices, thereby allowing a mouse to be physically connected to the computer system and function normally despite not...
5937185 Method and system for device virtualization based on an interrupt request in a DOS-based environment  
A technique for providing device virtualization in an MS-DOS based operating environment, using an interrupt request (e.g., a non-maskable interrupt), is described. The technique includes...