Matches 251 - 300 out of 347 < 1 2 3 4 5 6 7 >
Match Document Document Title
5717903 Method and appartus 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...
5694583 BIOS emulation parameter preservation across computer bootstrapping  
In a computer operating a bootable CD-ROM or other bootable media having the capability of emulating one or more real drives, BIOS emulation parameters, such as drive number, memory partitioning...
5692161 Method and apparatus for operating a microcomputer in an emulation mode to access an external peripheral  
Disclosed is a microcomputer capable of working in emulation mode with internal and external peripherals. The microcomputer comprises a central processing unit, an internal address decoder, an...
5687312 Method and apparatus for processor emulation  
An emulator for emulating operations of data processing circuitry normally connected to and cooperable with a peripheral circuit includes serial scanning circuitry connectable to the peripheral...
5644754 Bus controller and electronic device in a system in which several electronic devices are networked  
A bus controller for an electronic device which has an intelligence (or processor) of its own and a memory having a plurality of individually addressable memory locations which are connected with...
5636370 System and method for interfacing risc busses to peripheral circuits using another template of busses in a data communication adapter  
A conversion cache circuit, interfacing RISC busses to CISC peripheral circuits, provides master/slave Write and Read operations in a shared memory (130) and in the internal registers of the...
5630104 Apparatus and method for providing multimedia data  
A disk drive stores multimedia data in long spiral data tracks. The tracks on opposite surfaces of the disk spiral in opposite directions, so that a track on one surface can be read as the actuator...
5630164 Scientific instrument emulator having a computer and an analog signal interface for real-time signal processing  
A scientific instrument emulator is disclosed and comprises a computer (1) including a memory (3) and at least two processors (2,9). An analogue I/O module (6) is configured within the computer (1)...
5608895 Method for providing mouse functionality using either an internal or external mouse input device  
A method for forming a keyboard with a mouse function capable of replacing the mouse function by moving a pointer on a screen to an X axis (horizontal axis) and a Y axis (vertical axis) freely, by...
5604870 UART emulator card  
An interface device (102) and corresponding method for coupling a peripheral controller (117) to a host computer (100), the interface device including an emulated universal asynchronous receiver...
5604881 Ferroelectric storage device emulating a rotating disk drive unit in a computer system and having a multiplexed optical data interface  
A method and apparatus are disclosed for emulating a rotating disk drive using a removable ferroelectric solid state storage device having a multiplexed optical data interface in a microprocessor...
5588140 Transparent extension of peripheral from host  
A system for extending a communications link between a host computer and peripheral device provides true emulation of the peripheral data storage device. The system includes a host extender for...
5577234 System for controlling storage device for storing data at second density that is not integral multiple of first density by varying the device motor speed  
According to the present invention, a function can be added to a peripheral apparatus by making a change in only a few parts of a data processing system without making changes regarding hardware...
5574891 Method for managing the input codes from keyboard and pointing device  
A method for managing the input codes from the keyboard and the point device and an apparatus thereof are provided. When the computer system is not coupled to a PS/2 mouse and a hybrid keyboard is...
5561819 Computer system selecting byte lane for a peripheral device during I/O addressing technique of disabling non-participating peripherals by driving an address within a range on the local bus in a DMA controller  
A direct memory access controller implements a two-cycle approach for performing a desired DMA transfer by executing both a memory access cycle and an I/O access cycle. During the memory access...
5555402 A disk storage subsystem for interfacing with a parallel path, a nonvolatile media and a volatile storage medium  
Disclosed is a solid state disk emulator system for significantly improving access time, i.e., improving both the seek time and the rotational latency. The disk emulator complies with the SMD...
5553269 Apparatus for monitoring sensor information from diffeerent types of sources  
An apparatus receives real time input of sensor information from a plurality of different sources with different interfaces, converts the format of the sensor information into a format compatible...
5548782 Apparatus for preventing transferring of data with peripheral device for period of time in response to connection or disconnection of the device with the apparatus  
A computer system includes a peripheral device connector interface that automatically identifies the type of peripheral device, if any, coupled to the interface and configures itself for handling...
5548783 Composite drive controller including composite disk driver for supporting composite drive accesses and a pass-through driver for supporting accesses to stand-alone SCSI peripherals  
A drive array controller is provided that serves as an interface between both stand-alone SCSI devices as well as SCSI devices that form a composite drive. Since an AHA emulation interface is...
5537601 Programmable digital signal processor for performing a plurality of signal processings  
A digital signal processor for processing various types of signals, such as an image signal and an audio signal, a basic signal processing part, a programmable logic part, and a bus for connecting...
5524236 Apparatus for determining the direction of signal/data flow on CSI bus for converting between single ended and differential type signals  
The disclosed invention is an apparatus in a computer peripheral device for determining the direction of signal flow and data flow on a SCSI bus, which apparatus comprises a time delay means...
5506692 Image handling apparatus having file system emulation means  
An image forming apparatus which is used with an external host computer. The image forming apparatus includes an interface for connecting the image forming apparatus to the external host computer....
5506602 Display control apparatus and method whereby a display identifies its display control method to a display controller in order that the display controller can configure itself to output the display control signals corresponding to the identified display co  
A display control unit comprises plural display units having different display control methods, an input system for inputting an identifying signal relative to the display control method of the...
5490275 Virtual radio interface and radio operating system for a communication device  
A communication device (100) includes three levels and at least one feature and at least one protocol for communicating with other communication devices. The three levels are high level or user...
5485584 Apparatus for simulating a stack structure using a single register and a counter to provide transmit status in a programmed I/O ethernet adapter with early interrupts  
In a Local Area Network (LAN) system, an ethernet adapter exchanges data with a host through programmed I/O (PIO) and FIFO buffers. The receive PIO employs a DMA ring buffer backup so incoming...
5483640 System for managing data flow among devices by storing data and structures needed by the devices and transferring configuration information from processor to the devices  
An internetwork device which manages the flow of packets of I/O data among a plurality of network interface devices includes a bus coupled to the plurality of network interface devices, a core...
5479617 System for combining and encoding first plurality of video signals to produce second plurality of signals and transmitting the signals via unshielded telephone cable to remote workstation  
A type 286, 386, or 486 Personal Computer having a host controller comprising a standard VGA controller, a microprocessor, a receive and transmit unit, and an encoder is coupled via a ten line...
5479618 I/O module with reduced isolation circuitry  
An industrial controller I/O module includes on-board programming circuitry in the form of a microprocessor and associated memory, a first programmable logic circuit and a second programmable logic...
5475836 Interface for providing access to external data sources/sinks  
An interface for enabling an application program to connect to a selected one or more of a plurality of external data sources/sinks, the application program running on a computer having active...
5473765 Apparatus for using flash memory as a floppy disk emulator in a computer system  
An apparatus for emulating a floppy disk drive using flash EPROMs. The apparatus transfers data between a floppy disk controller and a flash EPROM memory module, wherein the floppy disk controller...
5471606 Information storage and processing  
Data and directories are separated and stored on separate parts of an optical disk. Directories are on the inner tracks and data are on the outer tracks, in a first format. Data and directories are...
5467432 Printer controller capable of operating with different operation modes based on mode-determinative codes stored in point-table memory  
A printer controller capable of emulating two or more types of printers which operate in different operation modes, the emulator being operable according to each batch of print data in selected a...
5465364 Method and system for providing device driver support which is independent of changeable characteristics of devices and operating systems  
A program arrangement presently disclosed provides support within an operating system for a commonly used class of peripheral devices (e.g. mouse devices or, more generally, pointing devices). This...
5461488 Computerized facsimile (FAX) system and method of operation  
A fax system is automated herein by using a modem (10), a computer (12), and an office network which coupled the computer (12) to a plurality of end-user computers (26). A fax is received by the...
5461719 Method for recording/reproducing information on recording medium in accordance with parameters stored in memory to allow sectors of different data capacities to collectively exist  
Either one of recording or reproduction of data is effected by use of an information processing system that includes a recording/reproducing apparatus for effecting at least one of recording of...
5459850 Flash solid state drive that emulates a disk drive and stores variable length and fixed lenth data blocks  
A flash solid state drive, having a flash solid state memory compatible with ATA/IDE Interface standards to be connected to a host for storing or retrieving sectors of data, where each sector...
5457785 CPU-independent and device-driver transparent system for translating a computer's internal bus signals onto an intermediate bus and further translating onto an expansion bus  
A bus interface system for expanding the I/O capability of a portable computer utilizes a parallel port connector with master interface circuitry connected to the internal ISA I/O bus of the...
5457784 Interfacing system using an auto-adapting multi-ported control module between an i/o port and a plurality of peripheral adaptors via bus extending cables  
A self-adapting interface assembly on a data processor allows communication with a variety of other data processing devices operating under different communication protocols. The assembly comprises...
5454098 Method of emulating access to a sequential access data storage device while actually using a random access storage device  
A method of emulating a sequential data storage device on a random access device to permit the transfer of information in a sequential format between a host computer and a random access storage...
5452287 Method of negotiation of protocols, classes, and options in computer and communication networks providing mixed packet, frame, cell, and circuit services  
The network negotiates user protocols, classes, and options between a calling user and a called user using the results to determine an optimal method of user information transport. A strategy for...
5450571 Dialog filtering process for a printing system to filter out non-selectable print programming selections  
A network printing system have plural printers for making prints, with some of the printers having different job processing capabilities; plural client inputs providing electronic documents and...
5430863 Interface system for coupling two computer environments  
A computer interface is provided for communication between a first computer environment and a second computer environment. The interface includes an input for receiving information from the first...
5410680 Solid state memory device having serial input/output  
A magnetic media hard disk is emulated in a solid state hard disk having a disk controller, a data buffer, a microcontroller, and a disk emulator section. The disk emulator section includes a disk...
5359726 Ferroelectric storage device used in place of a rotating disk drive unit in a computer system  
A method and apparatus are disclosed for emulating a rotating disk drive using a removable ferroelectric solid state storage device in a microprocessor controlled storage system. The removable...
5349675 System for directly displaying remote screen information and providing simulated keyboard input by exchanging high level commands  
A computer network has a first computer which is locally coupled to a second computer. The first computer controls operation of the second computer according to a plurality of high level commands...
5335340 Byte-swap hardware simulator for a sixteen bit microprocessor coupled to an eight bit peripheral unit  
An arrangement for enabling a sixteen bit microprocessor to transfer data to and from a peripheral unit operating in an eight bit mode includes a single OR gate for simulating an odd address so...
5333286 Two way copier monitoring system  
A system for automatically, remotely monitoring the operational status of and initiating operational commands in one or more copy machines each having a copier computer therein for determining...
5327549 Data storage system including a BIOS extension memory on an adapter between a host computer and disk drive  
A data storage system includes a disc drive accessing system for accessing an entire storage capacity of a disk. The disk drive to be accessed is identified and address parameters for the disk are...
5319767 Slave controller for effecting a block transfer of sixteen bit words between a memory and a data transfer bus  
A slave controller with block transfer capability for transferring data blocks of between one and two hundred fifty six sixteen bit words between a memory and the VERSA MODULE EUROPE bus (VMEbus)....
5317719 System for forming serial M-bit information into blocks whose locations correspond to bitmap locations  
A circuit is provided for forming fixed length blocks of information units received from one network for transfer to another. The actual information from each serially received information unit is...
Matches 251 - 300 out of 347 < 1 2 3 4 5 6 7 >