Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7839399 | System and method for volumetric display of video images extracted from arbitrary background environments A system and method for volumetric display of video images extracted from arbitrary background environments comprising an arrangement for extracting a video image in real time from an arbitrary background and creating a stream of extracted image data in response the... | 11/23/2010 |
| 7755635 | System and method for combining satellite imagery with virtual imagery A system and method for combining computer generated 3D environments (virtual environments) with satellite images. In a specific application, the system enables users to see and communicate with each other as live avatars in the computer generated environment in rea... | 07/13/2010 |
| 7020217 | Satellite digital audio radio receiver with instant replay capability A receiver adapted to receive a transmitted signal and provide a replay capability in response thereto. The inventive receiver includes the medium (electronic or physical) for storing at least a portion of the received signal. In accordance with present teachings, t... | 03/28/2006 |
| 7010107 | Internet conference call bridge management system The invention pertains to an Internet conference call bridge management (ICCBM) system and method with which a person (customer) having access to the Internet may efficiently input the contact number of at least one party (call recipient) with whom the customer want... | 03/07/2006 |
| 6754610 | Digital signal processing of resolver rotor angle signals An apparatus and method for determining the angular position of a rotor. The rotor is a part of a resolver used to determine the position of a shaft, or the like, in operation in a system such as a shaft in a missile gimbal. A digital signal processor is used advant... | 06/22/2004 |
| 6549828 | Aircraft based infrared mapping system for earth based resources An aircraft based imaging system. The inventive system includes a sensor mounted in the aircraft in a known orientation, circuitry for acquiring signals generated by the sensor from a scanned area, a system for georeferencing the acquired signals; and a s... | 04/15/2003 |
| 6447635 | Plasma processing system and system using wide area planar antenna An antenna adapted to apply a uniform electromagnetic field to a volume of gas and including an input terminal for receiving electrical energy into the antenna and an array of radiating elements connected to the input terminal thereof. In the illustrative... | 09/10/2002 |
| 6310577 | Plasma processing system with a new inductive antenna and hybrid coupling of electronagnetic power An antenna adapted to apply a uniform electromagnetic field with high energy density to a volume of gas. The antenna includes an input node for receiving electrical energy and a first coil for radiating electromagnetic energy into the gas. The first coil ... | 10/30/2001 |
| 6259682 | Closed loop transmitter with improved stability and accuracy over a wide range of power levels having means for maintaining constant loop gain A power control circuit for use with a closed loop transmitter such as a cellular telephone. The inventive circuit includes an amplifier for varying the output power level of the transmitter output signal. The amplifier includes an input terminal and a ga... | 07/10/2001 |
| 6253092 | Closed loop transmitter with DAC sensitivity adjusted to detector nonlinearity A power control circuit for use with a closed loop transmitter such as a cellular telephone. The inventive circuit includes a first element for providing a transmitter output signal. A second element serves to receive a power level signal. A third element... | 06/26/2001 |
| 6232926 | Dual coupled vehicle glass mount antenna system A dual coupled vehicle glass mount antenna system and method. The inventive system is adapted for operation through any suitable partition, such as an automobile windshield, and comprises an antenna mounted on a first side of the partition for receiving a... | 05/15/2001 |
| 6229876 | X-ray tube An x-ray tube comprising an electron gun assembly having an electron gun container housing an electron generator for generating electrons in a first direction along a first axis. The beam of electrons impinges upon an anode which emits x-rays in response ... | 05/08/2001 |
| 6229499 | Folded helix antenna design A folded helical antenna. Generally, the inventive antenna includes plural radiating elements of conductive material. In the preferred embodiment, the antenna is a quadrifilar helix antenna having four radiating elements. Each radiating element is constra... | 05/08/2001 |
| 6201513 | Compact low phase error antenna for the global positioning system A low phase error antenna. The antenna is adapted for use with the Global Positioning System and includes a spiral antenna for receiving electromagnetic energy at a first standard frequency (L1) and a second standard frequency (L2). The spiral antenna has... | 03/13/2001 |
| 6139438 | Artificial ice skating rink assembly Artificial ice skating rink assemblies that can used indoors or outdoors, in all seasons, that can be readily assembled with a reduced number of assembly parts and accessories being required, and it can be used with reduced maintenance demands. In one emb... | 10/31/2000 |
