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| Number | Title | Issue Date |
| 6061055 | Method of tracking objects with an imaging device A method of tracking a target object using a computer system. The computer system includes a computer, a display device, and an imaging device. The computer is coupled to the display device and the imaging device. The method comprises the following steps.... | 05/09/2000 |
| 6049258 | Isolation and signal filter transformer One embodiment of the invention includes a transformer that is at least partially formed on a substrate. The transformer is for electrical isolation and signal filtering. The transformer includes the following elements. A portion of the substrate has two ... | 04/11/2000 |
| 6044131 | Secure digital x-ray image authentication method A security system for digital x-ray images is disclosed. In one example system, a direct capture digital x-ray imaging device is used to capture digital x-ray images. The direct capture digital x-ray imaging device then associates an identifier with the i... | 03/28/2000 |
| 6038558 | Extensible database retrieval and viewing architecture One embodiment of the invention includes an architecture for extending the data requesting and data viewing capabilities of a database system. Data from the database is requested and viewed using a plan. The plan defines the steps to perform to request an... | 03/14/2000 |
| 6025847 | Three dimensional modeling system with visual feedback One embodiment includes a method of generating a 3D model from an image using a computer system. The image is of an arrangement of physical objects. The method comprises the following. Display the image. Create a 3D model primitive to represent at least a... | 02/15/2000 |
| 5994998 | Power transfer apparatus for concurrently transmitting data and power over data wires Electrical supply current, sufficient to power a wireless access point, is transmitted concurrently with a network data signal across a transmission line. A power and data coupler couples the network data signal and the power signal, received through a da... | 11/30/1999 |
| 5968176 | Multilayer firewall system A system provides for establishing security in a network that include nodes having security functions operating in multiple protocol layers. Multiple network devices, such as remote access equipment, routers, switches, repeaters and network cards having s... | 10/19/1999 |
| 5966382 | Network communications using sine waves A system comprising the following elements. An ethernet controller circuit for generating ethernet data signals. An isolation circuit coupled to receive the ethernet data signals and for generating ethernet output signals. The ethernet output signals incl... | 10/12/1999 |
| 5961195 | Image display device and simulation device One embodiment of the invention includes an image display device. The image display device includes a projector for emitting an image, a screen on which the image is projected, and a mirror for reflecting the image from the projector toward the screen. Th... | 10/05/1999 |
| 5946488 | Method for selectively and incrementally displaying the results of preprocessing The present invention makes it possible for computer programmers to selectively examine the effects of preprocessing operations on computer source code. Where a preprocessor construct, such as a macro, appears in the source code, a user may selectively ex... | 08/31/1999 |
| 5936537 | High frequency signal detector A micro-power, micro-size RF detector is suitable for implementation on an integrated circuit. The detector is used for detecting the presence of high frequency AC signals on a transmission line which has a transmission line impedance. An input for connec... | 08/10/1999 |
| 5933420 | Method and apparatus for assigning spectrum of a wireless local area network One embodiment of the invention includes assigning channels to a set of access points coupled to a network. The network includes a set of wireless network nodes. Each access point communicates, using one of the channels, to a subset of the wireless networ... | 08/03/1999 |
