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| Number | Title | Issue Date |
| 6167252 | Security for a mobile or personal communications device having an identification code A device that broadcasts an electronic serial number, or ESN, is made secure from cloning using one or more of a plurality of measures, including coupling the memory used for storing the ESN more closely to the ESN processor, fabricating the ESN memory as... | 12/26/2000 |
| 6088222 | Computer peripheral chassis frame structure having a split lance for location, electrical grounding, and load bearing of chassis carriers A computer system includes a backplane printed circuit board and a peripheral device. The peripheral device is coupled to the backplane printed circuit board. The peripheral device is cradled within a chassis carrier. A grounding conductor is associated w... | 07/11/2000 |
| 6052274 | Fastener for bracket alignment and temporary support A fastener temporarily attaches articles through aligned apertures in the articles including a nut plate allowing the articles to be assembled by one assembler. The fastener has a flange, a cylindrical sleeve, and a solid pin. The flange ensures that the ... | 04/18/2000 |
| 6047368 | Processor architecture including grouping circuit A processor which includes separate instruction and data caches and which executes instructions according to a new instruction set architecture efficiently executes software code by providing the processor with a grouper circuit which receives software co... | 04/04/2000 |
| 6006344 | Keyboard controlled diagnostic system A personal computer system is discloses which includes a diagnostic system which uses an input/output controller to perform diagnostic functions. Such a system advantageously allows diagnostic functions to be performed on the computer system including the... | 12/21/1999 |
| 6005505 | Fourth order digital noise shaper circuit A digital noise shaper circuit is provided which includes a signal transfer function and a noise transfer function, with associated coefficients and gain scaling factors, which ensures a predetermined frequency response, signal passband and noise stopband... | 12/21/1999 |
| 6003038 | Object-oriented processor architecture and operating method A class structure of an object-oriented program system is optimized for hardware and implemented as a hardware system in an object-oriented processor. For example, a class structure derived from a Java Virtual Machine software system is optimized for hard... | 12/14/1999 |
| 5995152 | Video monitor which superimposes a high frequency periodic wave over signals to vertical deflection plates to increase display quality in low resolution modes A video monitor including logic circuitry which superimposes a high frequency periodic wave on the vertical positioning provided by the monitor's vertical deflection plates in low resolution modes. The waveform operates to slightly and periodically adjust... | 11/30/1999 |
| 5942918 | Method for resolving differential signals A method for resolving differential signals is provided which quickly and efficiently recognizes signals by resolving differences between the signals using a resolving circuit which is powered by a clock signal. The resolving circuit operates with supply ... | 08/24/1999 |
| 5938742 | Method for configuring an intelligent low power serial bus A low power, single master, variable clock rate, daisy-chainable, serial bus connects a bus dispatch (master) to a chain of one or more daisy-chained peripheral devices (slaves). The bus has a bidirectional serial data line, a bidirectional clock line, un... | 08/17/1999 |
| 5911084 | System and method for accessing peripheral devices on a non-functional controller A computer system including a host CPU, a primary PCI bus coupled to the CPU, and a bus adapter coupled to the primary PCI bus, wherein the host CPU can access peripherals comprised in the bus adapter even when the bus adapter is inoperable. The bus adapt... | 06/08/1999 |
| 5903769 | Conditional vector processing A vector processor with a vector mask control unit provides an efficient approach for execution of conditional loops by a vector processor. The vector mask control unit includes respective vector masks for source and destination vector registers to specif... | 05/11/1999 |
| 5893770 | Retention member for zero insertion force socket A projection extending substantially perpendicularly from an arm or lever of a zero insertion force (ZIF) socket serves as a retention member for a component assembly in the ZIF socket. The ZIF socket comprises: a body having a plurality of electrical con... | 04/13/1999 |
| 5878266 | Reservation station for a floating point processing unit A reservation station with format conversion logic enables the implementation of a superscalar computer processing system which incorporates both a floating point functional unit and non-floating point functional units. By converting operand data in a flo... | 03/02/1999 |
| 5864654 | Systems and methods for fault tolerant information processing A fault-tolerant management information system includes three or more data management systems (e.g. data base systems) that replicate data. Data access requests resulting from user requests to application systems are issued by user request processing enti... | 01/26/1999 |
| 5862369 | Method and apparatus for state machine optimization using device delay characteristics A method and apparatus which enables circuitry to detect and take advantage of the intrinsic performance or delay characteristic of the respective device in which the circuitry is embedded. By determining the delay characteristics of the device and sampli... | 01/19/1999 |
| 5860158 | Cache control unit with a cache request transaction-oriented protocol A cache control unit and a method of controlling a cache. The cache is coupled to a cache accessing device. A first cache request is received from the device. A request identification information is assigned to the first cache request and provided to the ... | 01/12/1999 |
| 5859995 | Method and apparatus for coordinating combinatorial logic-clocked state machines A triggering circuit obviates propagation differences in differential combinatorial logic clocking of upstream and downstream state machines ("SM's"). The triggering circuit imposes an output state on the downstream SM in response to the appearance of an ... | 01/12/1999 |
| 5852545 | Detachable electrical and mechanical mounting mechanism for snap mounting computer speakers A computer system has a data processing unit, an audio speaker assembly apparatus, and at least one computer component mounting structure. The audio speaker assembly apparatus includes one or more speakers and one or more mounting mechanisms for electrica... | 12/22/1998 |
| 5847951 | Method and apparatus for voltage regulation within an integrated circuit package An integrated circuit package comprising an integrated circuit device and a voltage converter circuit both embedded within the package. The voltage converter circuit is configured to convert a standard supply voltage to an operating voltage as required by... | 12/08/1998 |
| 5838968 | System and method for dynamic resource management across tasks in real-time operating systems A system and method for dynamic resource management across tasks in real-time operating systems is disclosed. The system and method manage an arbitrary set of system resources and globally optimize resource allocation across system tasks in a dynamic fash... | 11/17/1998 |
| 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 input/output system code. Each processor has assigned pins for cond... | 11/10/1998 |
| 5832238 | Enabling PCI configuration space for multiple functions A Peripheral Component Interconnect (PCI) compatible peripheral device for coupling to a PCI bus, the peripheral device comprising a primary function component and a connection portion. The primary function includes a PCI interface for coupling to the PCI... | 11/03/1998 |
| 5831306 | Asymmetrical transistor with lightly doped drain region, heavily doped source and drain regions, and ultra-heavily doped source region An asymmetrical IGFET including a lightly doped drain region, heavily doped source and drain regions, and an ultra-heavily doped source region is disclosed. Preferably, the lightly doped drain region and heavily doped source region provide channel junctio... | 11/03/1998 |
| 5828989 | Semiconductor manufacturing system having a bar-code interface A process run card encoded with bar-code information and providing controllers with scanners which can scan the bar-code information and configure the controller accordingly is disclosed. Such a system advantageously provides a semiconductor manufacturing... | 10/27/1998 |
| 5819306 | Shadow mechanism for a modifiable object oriented system A computer system is disclosed which includes a read only memory in which a first version of a data element is stored, a random access memory in which a second version of the data element is stored, and a shadow system for transparently determining whethe... | 10/06/1998 |
| 5799195 | Structure and method for detecting occurrence of external events using semaphores In a cached computer environment, an additional mechanism for communicating to a processor the occurrence of an external hardware event is provided through semaphores in the main memory. In one embodiment, the processor is provided a set of semaphore regi... | 08/25/1998 |
| 5796593 | Planar mounts capable of mounting planars of varying thickness The present invention provides, for use in a chassis configured to alternatively house first or second planar boards hating different thicknesses and daughter board side surfaces, a universal planar mount for supporting the planar board within the chassis... | 08/18/1998 |
| 5793610 | Multi-position air regulation device The present invention provides a cooling fan system for a chassis configured to contain heat generating electrical components and to assume horizontal and vertical alternative operating orientations. The cooling fan system includes a support member secura... | 08/11/1998 |
| 5781414 | Expansion card stabilizer for a circuit board edge connector A card stabilizer for stabilizing an expansion card inserted in a female edge connector. The card stabilizer consists of a frame member sized to extend around the female connector, locking device for locking the frame member relative to the female connect... | 07/14/1998 |
| 5761691 | Linearly addressable microprocessor cache A microprocessor conforming to the X86 architecture is disclosed which includes a linearly addressable cache, thus allowing the cache to be quickly accessed by an external bus while allowing fast translation to a logical address for operation with functio... | 06/02/1998 |
| 5757642 | Multi-function server input/output subsystem and method A method and system for providing fault tolerance in a networked client/server computing environment by introducing a server computer comprised of a first computer with a first secondary storage controller and a first communications controller and a secon... | 05/26/1998 |
| 5748470 | Semiconductor processing backup system A manufacturing system is disclosed which includes first and second control devices as well as a communication terminal which controls communication with the control devices. The communications terminal includes an interceptor module which receives inform... | 05/05/1998 |
| 5745568 | Method of securing CD-ROM data for retrieval by one machine A method of securing CD-ROM data for exclusive retrieval by a specified computer system includes the steps of ordering a computer system designating a selected hardware configuration and selected software components and procuring the selected hardware. A ... | 04/28/1998 |
| 5729767 | System and method for accessing peripheral devices on a non-functional controller A computer system including a host CPU, a primary PCI bus coupled to the CPU, and a bus adapter coupled to the primary PCI bus, wherein the host CPU can access peripherals comprised in the bus adapter even when the bus adapter is inoperable. The bus adapt... | 03/17/1998 |
| 5726859 | Circuit board component retainer and extractor A circuit board has mounted thereon a component package which is secured in place by a retaining device designed to maintain the component package in place and protect it from shock and vibration. The retaining device includes a shortened and strengthened... | 03/10/1998 |
| 5721695 | Simulation by emulating level sensitive latches with edge trigger latches A hardware simulation system is disclosed which includes a high frequency clock which is gated with a system clock to produce a high frequency enabled clock. The high frequency enabled clock is used to clock an edge triggered latch within the hardware sim... | 02/24/1998 |
| 5715465 | Power supply control apparatus using last power state memory A last power state apparatus including a power supply controller having a battery-backed memory bit for retaining the power state of an electronic device during a failure of a primary power source. The battery is preferably a lithium type battery and the ... | 02/03/1998 |
| 5708794 | Multi-purpose usage of transaction backoff and bus architecture supporting same A digital processor system is disclosed that employs a bus bridge interfacing a primary bus to a secondary bus and which includes a transaction backoff signal line that provides an economical method of providing split transactions between the busses, of p... | 01/13/1998 |
| 5691928 | Portable personal computer having removable security module A portable computer and a method of securing the same. The portable computer comprises: (1) a main chassis containing (a) data processing and volatile storage circuitry of the portable computer, (b) a nonvolatile storage unit coupled to the data processin... | 11/25/1997 |
