Jackson; John L. - US Patent Attorneys and Agents

Attorney: Jackson; John L.

Number of patents: 32
Last date: March 07, 1989

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Number	Title	Issue Date
4811206	Data processing system with overlapped address translation and address computation A method of operating a data processing system using virtual memory in which virtual memory addresses are formed by a base register value and a displacement value and are mapped to real memory addresses includes the steps of adding the base register value...	03/07/1989
4794515	Protection of data in a multiprogramming data processing system A data processing system operates in a multiprogramming mode in which a plurality of different tasks are performed, at least one of the tasks being interruptable by another one of the tasks, and the system includes at least one facility which is not used ...	12/27/1988
4794522	Method for detecting modified object code in an emulator A method of emulating the instructions of a target computer in the instructions of a host computer to operate the host computer in accordance with the target computer instructions, the target computer having the capability of modifying its own instruction...	12/27/1988
4788683	Data processing system emulation with microprocessor in place Apparatus is provided for testing a data processing system which includes a microprocessor, the testing occurring with the microprocessor in place in the system. The apparatus comprises: a support microprocessor for controlling the testing, a serial-to-pa...	11/29/1988
4687353	Automatic format, mode control and code conversion for data processing and printing apparatus The present invention is concerned with the control of the format of documents, such as letters, prepared automatically on a printer in response to code signals read from a record medium (magnetic storage medium) and to mode control means for associated a...	08/18/1987
4649479	Device driver and adapter binding technique An operating system in a digital computer environment is run as a virtual machine on a virtual resource manager. In order to provide a more dynamic environment for the operating system, linkages are made between the operating system device drivers and the...	03/10/1987
4636251	Materials for electrical contact A new alloy material for use in electrical contacts is disclosed, comprising by weight the balance of nickel....	01/13/1987
4596478	Automatic format, mode control and code conversion for data processing and printing apparatus The present invention is concerned with the control of the format of documents, such as letters, prepared automatically on a printer in response to code signals read from a record medium (magnetic storage medium), and to mode control means for associated ...	06/24/1986
4591840	Calendar event description abbreviation A method of building a monthly calendar screen having abbreviated event descriptions directly translated from event descriptions on day screens. Day screens are built from keyed in dates, times, and descriptions of events related to the dates and times. M...	05/27/1986
4588987	Display system for monitoring and alarm system A display system is provided for a monitoring and alarm system. The monitoring and alarm system includes a central processing unit (10) and a plurality of sensors (14) polled by the central processing unit. A display which is part of the central processin...	05/13/1986
4573138	Justifying with printer level data stream which accommodates footers and headers In order to avoid the problem of the last line of the body text not being justified when it is not the end of a paragraph but is followed by a footer, a converter/processor (13) is provided to modify the print data stream produced by another converter/pro...	02/25/1986
4556878	Display of graphics using a non-all points addressable display A processor controlled character box display is provided with apparatus which permits the display of curvilinear graphics. The characters used to generate the graphics display are selected from a limited character set in read only storage (46), but by shi...	12/03/1985
4556959	Printer selection of options An electronic office equipment network has a plurality of work stations (11) and a plurality of printers (--, 14, 15, 16) connected to a network bus (12). The printers have various options installed as for example hardware attachments for feed paper (22)....	12/03/1985
4555772	Current cursor symbol demarkation A personal computer having an interactive all points addressable display terminal (44) and a cursor positioning device (52) and provided with apparatus for facilitating the generation of a graphics display using cursor characters selected from a table of ...	11/26/1985
4555700	Internal image and bit array for display and printing of graphics A word processing system is provided with separate data structures in system memory (4). One of these, the internal image array, stores data representative of alphanumeric data and low resolution graphic data in the form of alphanumeric character data and...	11/26/1985
4533921	Electroerosion printhead with tungsten electrodes, and a method for making same The print wires 4 of an electroerosion printhead 1 are retained in grooves 3 of a substrate 2. These wires 4 are fixed to the substrate and covered by a copper layer 6. The copper layer is machined to provide a smooth surface on the copper and between the...	08/06/1985
4531186	User friendly data base access Data base administrator (10) creates program communication blocks (11), and programmer (12) writes programs (13) using the program communication blocks (PCBs) to store data in bulk storage device (14). A user (15) not having data processing skills or expe...	07/23/1985
4520371	Multi-zone thermal print head A plurality of arrays of heating elements, forming printing zones, are arranged separated from each other a predetermined distance (SL) on a substrate along a line (X) transverse the media transport direction (Y). The heating elements in each zone are arr...	05/28/1985
4500964	Dialog user error diagnosis, severity, and help technique An improvement is disclosed to the conventional field related help facility in an interactive data entry data processing system. The improvement comprises a technique for a detailed analysis of all dialog errors, recommended solutions and predicts the app...	02/19/1985
4458253	Thermal print apparatus using a thermal transfer ribbon such as a multi-colored one, and a printing method In a thermal printer the transfer ribbon such as one having sets of transverse color stripes is guided over of a ribbon support which carries the heat applying print head. The ribbon support is movable relative to the paper by an eccentric to move the rib...	07/03/1984
4368466	Display refresh memory with variable line start addressing A display refresh system wherein a RAM refresh buffer is tightly packed. Line start addresses in the buffer are determined by the line length such as eighty characters. With each of the lines in the refresh buffer being normally a binary number such as 12...	01/11/1983
4360870	Programmable I/O device identification A computer system having a CPU connected to I/O devices via a channel sets addresses into the I/O devices by the CPU. The I/O devices, for purposes of control, are grouped in types. To load device addresses or identifiers, the processor sends a type ident...	11/23/1982
4293888	Print hammer drive circuit with compensation for voltage variation A print hammer drive circuit is driven by a voltage supply having inherent voltage variations. The driving current is applied to the print hammer coil and the level of the current in the coil detected. After the level of the current in the coil reaches a ...	10/06/1981
4286202	Electronic damping of stepper motor A damping control system for a three phase stepper motor. A reluctance velocity transducer is used for each of the three phases. The output of each of the transducers is proportional to the rotational velocity of the motor. Each of the transducers is rota...	08/25/1981
4049256	Document alignment assembly Disclosed is an alignment assembly for accurately aligning separate sets of documents being inserted into the assembly from transversely oriented feed paths, the alignment assembly including a pivotally mounted document gate which provides not only guide ...	09/20/1977
4009877	Document transport device Disclosed is document transport apparatus for advancing documents between two locations, for example between the printing and output stations of copying equipment, the transport apparatus including a high friction continuously driven belt cooperating with...	03/01/1977
4009353	Analog signal detection Disclosed is a method and apparatus for detecting the presence of signals, particularly touch-tone signals, of characteristic complex waveforms by comparing unknown signals with pre-specified digital formats or "masks" representative of such waveforms. Th...	02/22/1977
3981497	Automatic document alignment method and apparatus for document feed equipment Disclosed is document feed apparatus including a cooperating roller assembly for separating and feeding individual documents from a stack to utilization apparatus, the roller assembly including rotatably powered separator, restraint, and picker rollers, t...	09/21/1976
3968959	Document transport and separating device A document transport and separating device which utilizes opposing intermittent motion imparting devices having tips, the end of which are caused to move in an elliptical manner to feed, separate and align documents such as sheets of paper. One end of the...	07/13/1976
3961786	Self clearing roller feed assembly for document feed apparatus Disclosed is a rotatably powered roller feed assembly for transporting documents from a stack in a forward feed direction toward utilization apparatus, a clockspring appropriately coupled to the feed assembly for rotatably powering the feed rollers in a d...	06/08/1976
3958224	System for unattended printing An unattended printing system in which the operator keys in a page line count defining the number of lines to be printed on a page from codes derived from a shift register memory which is automatically loaded from a pack feed magnetic read/recorder. Logic...	05/18/1976
3949278	Document transfer device drive A driving circuit for driving a number of solenoid type devices which have very accurate voltage requirements and which utilizes the inductive kick of both the driven devices and internal transformers to efficiently utilize power. A feedback path is provi...	04/06/1976

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Attorney: Jackson; John L.