Abstract: A portable system that provides audio to video displays or monitors includes a bezel with integrated speakers and integrated channels that slide onto the bezel of the monitors. The bezel with integrated speakers does not increase the lateral footprint of the monitor.

Abstract: Traffic signal data is broadcast, for receipt by vehicles traversing the roadways controlled by the traffic signals. If desired, traffic lights are provided with the capability to broadcast their location, status, changing cycles and timing data continuously. A receiving system in a vehicle is configured to receive the traffic signal data and display, to a user of the vehicle, visual display information and/or audible information informing the user of a speed range which, if followed, optimizes the use of the highway and minimizes the number of starts and stops that must be made.

Abstract: To reduce the thickness of a digital light projector (DLP), a circulating tape having sequences of red, green and blue segments is used instead of a color wheel to produce a color image.

Abstract: Provided is a display device and the like for realizing low electric power consumption and a high image quality. A display device includes: a display panel having a plurality of pixels arranged in directions of a horizontal scanning and a vertical scanning; a driving voltage control unit for outputting to each of the plurality of pixels, a driving voltage for driving the above described pixel; and a correction unit for each of the plurality of pixels, correcting a brightness of the above described pixel depending on a position of the above described pixel in the vertical scanning direction in the display panel based on the driving voltage.

Abstract: A multiported LAN switch comprised of legacy local area network ports and ATM ports. Each ATM port comprising a hardware forwarding engine for bridging LAN frames from the LAN ports to the ATM port. The hardware forwarding engine converts layer 2 protocols between the dissimilar ports expediently, without requiring intervention by a microprocessor. A substantial performance gain is attained compared to microprocessor controlled format converters. Both LAN emulation and virtual LANs are supported.

Abstract: A duplex check printer includes an upper document path, a print head at one side of the upper document path, and a lower document path having a loop to invert a check so that information can be printed on both sides of the check. The check is driven within the upper document path by feed rolls, which are reversed when the check is driven from the upper document path to the lower document path. The check is driven within the lower document path by belts, which are in turn driven by a separate motor.

Abstract: A computing system includes a semiconductor which sources current to load components within the system, a controllable load coupled to the semiconductor and having an on-state in which a predetermined current load is drawn from the semiconductor in addition to the load components, and a controller which couples the semiconductor and the controllable load. In this configuration, the controller senses the voltage across the semiconductor on at least three points in time. The controller activates the on-state of the controllable load during one of the three points in time and derives a first calculated voltage as a function of the three voltages sensed. The controller calculates the on-resistance of the semiconductor by dividing the first calculated voltage by the predetermined current.

Abstract: When an output of data is switched from a memory to a memory controller, the memory controller takes in write data output from the memory, and outputs the write data taken in to a data bus. Subsequently, the memory controller outputs read data taken thereinto to the data bus, and then outputs write data of its own to the data bus.

Abstract: A multiported LAN switch comprised of legacy local area network ports and ATM ports. Each ATM port comprising a hardware forwarding engine for bridging LAN frames from the LAN ports to the ATM port. The hardware forwarding engine converts layer 2 protocols between the dissimilar ports expediently, without requiring intervention by a microprocessor. A substantial performance gain is attained compared to microprocessor controlled format converters. Both LAN emulation and virtual LANs are supported.

Abstract: A method to use electronic tags in stores in conjunction with portable shopping devices by providing a means for deactivating an active electronic tag of a product to be purchased while permitting a consumer to purchase and transact using a portable shopper, while deterring the opportunity for shrinkage by theft associated with the use of portable shopping devices is provided.

Abstract: Methods, systems and computer program products for storing data that use a rolling window file that maintains a defined file size while sequentially replacing an oldest portion of previously stored data with new data are provided. The rolling window file operates without the use of a wrap buffer implemented through manipulation of a current offset pointer by moving a first storage region in a sequentially linked plurality of storage regions associated with the rolling window file to become the new last (or end of file) storage region associated with the file. Newly received data may then be stored in the newly designated end of file storage region. Operations moving the first region in the linked sequence to the last position can repeat theoretically indefinitely as new data is received.

Abstract: An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator includes a retention clutch and an axial load limiter. An axially configured retention clutch is configured to slidably fit within the open inner channel diameter of an axial load limiter and over a motor shaft of a linear actuator. In operation, the retention clutch reduces the impact loads on the stop and extending the fatigue life of these wearable components. Similarly, when the screw encounters axial loads during operation, these loads are distributed across both the axial load limiter and the motor, thereby reducing direct forces on the motor and contributing to an extended use of the motor component.

Abstract: The present invention relates to a client-server system having a security system for controlling access to application functions. The security system separated from the clients and the application functions routes all incoming requests created by various PVC-devices to a centralized security system providing an authentication component and a security component. The authentication component provides several authentication mechanisms which may be selected by information contained in the client's request. The authentication mechanism may be changed or extended without changing conditions on the client as well on the server or application side. The security component provides a security policy describing security requirements for accessing application functions which may be invoked by the security component. If the selected authentication mechanism succeeds and fulfills the security policy associated to that application function then the application function will be invoked by the security component.

Abstract: Methods, systems, computer program products, and methods of doing business by performing load balancing of content requests using information regarding the cost of dynamically creating the requested document content. Cost metrics are gathered by a server which generates requested content, and may reflect processing at one or more other servers. This cost information is provided to a load balancing host. Several alternative approaches for providing the cost metrics may be used, including defining new headers for response messages, specifying cookie values, and so forth. The load balancing host may choose to route a subsequent request for that content to the server which most recently generated the content, or to another available server, depending on the cost of re-generating the content and the current load on those servers.

Abstract: A device certificate identifies a particular device using a globally-unique device identifier and contains a public key associated therewith. A private key stored in protected storage of the device is used to digitally sign outbound messages, enabling communicating devices to authenticate one another using the associated device certificate and public key, before returning a response. Devices functioning as servers can thereby securely participate in dynamic, automatic address assignment services using a service such as a Boot Protocol or Dynamic Host Configuration Protocol, and/or to update address information stored in a Domain Name System (DNS) server, ensuring that the update is authentic, and when the DNS is also authenticated, ensuring that a legitimate DNS has been contacted.

Abstract: A method, system, and computer program product for using a digital certificate to access legacy host applications and/or data which are protected by a host-based security system such as RACF (Resource Access Control Facility, a product offered by the IBM Corporation) and which typically require a separate user identification and password. Use of the present invention enables the client to access the host applications and/or data using a single system log on, without requiring modification to host programs.

Abstract: A device certificate identifies a particular device using a globally-unique device identifier and contains a public key associated therewith. A private key stored in protected storage of the device is used to digitally sign outbound messages, enabling the message receiver to authenticate the message originator. Devices requesting address assignment from a service such as a Boot Protocol or Dynamic Host Configuration Protocol service can be authenticated by that service before an address is assigned. The device of the service providing the address assignment may also digitally sign the requested address, using its own private key, enabling the address receiver to verify that the address provider is authentic before accepting and using the assigned address. A device requesting an update to address information stored in a Domain Name System (DNS) server can be authenticated and/or can ensure that a legitimate DNS has been contacted.

Abstract: Apparatus and method for displaying three-dimensional images with a display device. A blocking grid is positioned between a display device and a viewer, and a drive system oscillates the blocking grid in accordance with the display of a plurality of images. Each image is aligned with the grid and is structured such that each eye of the viewer sees only a displayed portion of a displayed image intended for that eye, thereby creating a three-dimensional effect.

Abstract: A method of delivering messages between application programs is provided which ensures that no messages are lost and none are delivered more than once. The method uses asynchronous message queuing. One or more queue manager programs (100) is located at each computer of a network for controlling the transmission of messages to and from that computer. Messages to be transmitted to a different queue manager are put onto special transmission queues (120). Transmission to an adjacent queue manager comprises a sending process (130) on the local queue manager (100) getting messages from a transmission queue and sending them as a batch of messages within a syncpoint-manager-controlled unit of work. A receiving process (150) on the receiving queue manager receives the messages and puts them within a second syncpoint-manager-controlled unit of work to queues (180) that are under the control of the receiving queue manager.

Abstract: A point of sale terminal includes an input device, for reading information to be stored as part of a financial transaction, and a storage device in which data derived from the information is stored, with the amount of data stored being determined by the financial value of the transaction. The terminal may include a document scanner providing an image of a check or of another form of identification associated with a check, and a digitizing tablet, which provides an indication of movement of a pen or stylus to form a signature. The terminal may also include optical character recognition, which is used to obtain a name and address from the check, which is also stored according to the value of the check.