Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5783977 | Tunable and bandwidth programmable multi-element filter system A method and apparatus which realize an RF bandpass filter having a tunable bandwidth and center frequency over a large range of the radio frequency spectrum. The filter is comprised of a cascade of filter elements. Each element is comprised of a signal s... | 07/21/1998 |
| 5719598 | Graphics processor for parallel processing a plurality of fields of view for multiple video displays An image generator system for producing real time imagery from a digital database includes processors performing in sequence: scene data management, geometry processing, and video processing. The scene data management processor selects and organizes the d... | 02/17/1998 |
| 5509110 | Method for tree-structured hierarchical occlusion in image generators A method for determining which objects are visible in each pixel of a digitally-generated image is described. The method uses comparison of distances from the viewpoint (Z-sorting) for occlusion. The number of Z comparisons required is minimized by utiliz... | 04/16/1996 |
| 5432787 | Packet data transmission system with adaptive data recovery method A packet communication system transmits a stream of L data packets with at least one parity packet transmitted as an L+1th packet. The parity packet comprises at least, N data segments, each ith data segment being the modulo-2 sum of all identi... | 07/11/1995 |
| 5353374 | Low bit rate voice transmission for use in a noisy environment A compressing a voice signal by the steps of (a) digitizing an input signal that includes a voice signal, the input signal including a coherent noise component; and (b) compressing the digitized voice signal with a synchronized overlap add processor (20).... | 10/04/1994 |
| 5282194 | Interactive protocol analysis system A method and apparatus for analyzing a bit stream having an unknown format that is conveyed through a communications network. The method includes the steps of: (a) storing a plurality of sequentially occurring bits received from a communications network; ... | 01/25/1994 |
| 5279484 | Manned space vehicle with low-level hydrogen-oxygen-carbon dioxide propulsion unit A manned space vehicle is described whose altitude control is achieved by constant drag compensation through the action of low level thrusters. The space vehicle include a low pressure electrolyzer that generates hydrogen and oxygen from water in a mass r... | 01/18/1994 |
| 5218361 | Interferometer ambiguity resolution using missile roll Apparatus and methods of achieving accurate, unambiguous angle information with a minimum number of antenna elements. The present invention resolves the ambiguities inherent in a long baseline phase interferometer by employing a minimum number of antennas... | 06/08/1993 |
