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| Number | Title | Issue Date |
| 6748368 | Proprietary core permission structure and method A programmable logic device includes a non-volatile permission memory block to enable a customer to utilize a proprietary core. In one embodiment, the core supplier designs its core to check for a specified permission bit or bit pattern in the permission memory bloc... | 06/08/2004 |
| 6552526 | Method of increasing AC testing accuracy through linear interpolation A method and system are provided for increasing the accuracy of AC parametric testing. The invention provides a method of precisely estimating signal propagation delay time in an integrated circuit testing apparatus, wherein a plurality of signal propagat... | 04/22/2003 |
| 6370677 | Method and system for maintaining hierarchy throughout the integrated circuit design process A method and system for translating abstract structural or behavioral circuit descriptions to physically implementable files, preferably suitable for use in a Field Programmable Gate Array (FPGA) or other programmable device. A selection of layouts are ge... | 04/09/2002 |
| 6243691 | Method and system for processing and transmitting electronic auction information A system and method for conducting a multi-person, interactive auction, in a variety of formats, without using a human auctioneer to conduct the auction. The system is preferably implemented in software. The system allows a group of bidders to interactive... | 06/05/2001 |
| 6077305 | Latch inference using dataflow analysis A system and method are provided for selectively inferring latch elements in a circuit design from an event-driven hardware description language (HDL) file to an event-independent format. The method includes modeling the file as a plurality of data flow e... | 06/20/2000 |
| 6053813 | Electronic gaming apparatus and method A method for operating a microprocessor controlled, reel type slot machine in which payoff is determined before a final game outcome is displayed to a player. A pre-defined count of random numbers is generated and presented to a digital filter having tap ... | 04/25/2000 |
| 6047264 | Method for supplying automatic status updates using electronic mail A method is disclosed for automatically updating the status of customers' orders and shipments via electronic mail without using a human attendant to create and send the electronic mail messages. Preferably implemented in software, the updating method all... | 04/04/2000 |
| 5957816 | Exercise apparatus for stimulating muscle coordination and joint stability during multiaxial movement patterns involving rotational force An exercise apparatus for stimulating muscle coordination and joint stability through multiaxial movement patters involving rotation force is provided. A plurality of methods of use of the apparatus are presented as well to maximize the therapeutic and pr... | 09/28/1999 |
| 5898602 | Carry chain circuit with flexible carry function for implementing arithmetic and logical functions An improved arithmetic logic unit (ALU) of an erasable-programmable logic device (EPLD) with a flexible, programmable carry function allows a broad range of functions to be implemented. The inventive circuit utilizes a separately configurable carry chain ... | 04/27/1999 |
| 5857109 | Programmable logic device for real time video processing A real time video processing system adds a programmable logic device between a conventional frame buffer and a conventional digital to analog converter to provide real time and off-screen processing power to enhance video output capabilities. The system m... | 01/05/1999 |
| 5835896 | Method and system for processing and transmitting electronic auction information A system and method for conducting a multi-person, interactive auction, in a variety of formats, without using a human auctioneer to conduct the auction. The system is preferably implemented in software. The system allows a group of bidders to interactive... | 11/10/1998 |
| 5815404 | Method and apparatus for obtaining and using antifuse testing information to increase programmable device yield A method and apparatus for creating and utilizing a database of defective antifuses on a programmable logic device and comparing the list to a catalog of required connections in a design, wherein the process of comparing the two lists will determine wheth... | 09/29/1998 |
| 5787007 | Structure and method for loading RAM data within a programmable logic device A method and apparatus for loading memory within a reconfigurable programmable logic device including configuring the device as a RAM loader circuit, loading the RAM with data and then reconfiguring the device with a circuit utilizing the loaded RAM. The ... | 07/28/1998 |
| 5739732 | AC noise spike suppression circuit with parallel back-to-back fast diodes An alternating current (AC) spike absorption circuit employs a pair of back-to back parallel high-speed ultra-soft recovery diodes with unique RFI prevention characteristics. Further high frequency noise suppression is achieved by using a high voltage par... | 04/14/1998 |
| 5684689 | Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism A power supply with interchangeable plug capacity and interchangeable power input modules includes a casing, an electrical plug detachably mounted in the casing, allowing the user to accommodate various power source configurations and voltage supply level... | 11/04/1997 |
| 5675100 | Method for encoding music printing information in a MIDI message A system and method of communicating music printing information using a minor enhancement to the conventional MIDI standard. This method degrades the communication of traditional MIDI command information or parameters by a small amount, but allows the inc... | 10/07/1997 |
| 5652875 | Implementation of a selected instruction set CPU in programmable hardware A method of designing a CPU for implementation in a configurable hardware device by identifying a series of operations in a logic scheme which are suitable for implementation in the device, identifying an executable function and any needed parameters in t... | 07/29/1997 |
| 5634806 | Interchangeable collapsible plug device for battery charger An interchangeable plug device includes a casing, an electrical plug detachably mounted in the casing and movable between a detached and an operative position, and a releasable locking mechanism designed to engage the electrical plug to maintain the plug ... | 06/03/1997 |
| 5628641 | Collapsible plug device for battery charger A collapsible plug device includes a casing, an electrical plug rotatably mounted in the casing and movable between a collapsed and an extended position, and a releasable locking mechanism connected to the casing and designed to engage the electrical plug... | 05/13/1997 |
| 5611701 | Collapsible prong plug device for battery charger A collapsible prong plug device includes a casing, an electrical plug with one or more prongs rotatably mounted in the casing and movable between a collapsed and an extended position, a securing means designed to engage the electrical plug to maintain the... | 03/18/1997 |
| 5603043 | System for compiling algorithmic language source code for implementation in programmable hardware A configurable hardware system for implementing an algorithmic language program, including at least two programmable logic devices (PLD), a private hardware resource connectible to one PLD, and a programmable connection between PLDs, all of which may be c... | 02/11/1997 |
| 5568365 | High output, compact power supply A compact power supply features a package with an included volume of less than about 250 cubic centimeters, a switching power supply contained in the package, the power supply capable of providing more than about 10 watts of power, and connections from in... | 10/22/1996 |
| 5566236 | System and method for re-establishing a disconnected telephone communication A system and method provides a tandem switch and call control/management platform to establish a telephone connection (bridge) between two parties, the telephone connection being initiated by one of the parties. The tandem switch connects a telecommunicat... | 10/15/1996 |
