Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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 |
| 6868981 | Light weight hydrogen tank A light weight fuel tank for a hydrogen powered airplane used as a platform for communication repeaters for communication services. An outer spherical shell member of a sandwich configuration surrounds an inner thin walled spherical shell member in which the liquid ... | 03/22/2005 |
| 6819849 | Intrusion detection system for secure fiber optics Methods and apparatus are disclosed for an intrusion detection system for secure fiber optic communication systems. A guard signal is transmitted over the optical fiber communication link and both the modal power and modal phase delay of this signal are monitored. I... | 11/16/2004 |
| 6807397 | Method for identifying growth limits of handheld services for mobile satellite communications Methods for increasing the efficiency of satellite constellation operations are disclosed. The steps of the present invention comprise calculating the maximum number of communications signals that each satellite in the satellite constellation can generate, determini... | 10/19/2004 |
| 6766987 | Satellite system and method of deploying same A satellite communication system has a first deployment of a plurality of satellites deployed in a medium earth orbit and two later deployments of a plurality of satellites deployed in the medium earth orbit. The first deployment is spaced so that the second deploym... | 07/27/2004 |
| 6741575 | Apparatus and method for efficient delivery of multicast data over personal access communications system (PACS) A method, apparatus, article of manufacture, and a memory structure for multicasting data in a cellular personal access communication system is disclosed. The method comprises the steps of allocating a multicast packet terminal identifier to a multicast group when a... | 05/25/2004 |
| 6735437 | Communication system employing reuse of satellite spectrum for terrestrial communication A terrestrial communication system using satellite uplink and downlink frequencies is disclosed. A terrestrial cell site produces a signal at a satellite uplink frequency that is transmitted to a terrestrial user terminal. The terrestrial cell site receives a signal... | 05/11/2004 |
| 6725013 | Communication system having frequency reuse in non-blocking manner A communications system (10) and method of operating the communications system includes a high altitude communication device (12) that communicates with a plurality of user terminals and a gateway station (30). The gateway station (30) co... | 04/20/2004 |
| 6711398 | Radio signal broadcast system and method A first transmitting device is used to transmit a first signal on a first carrier frequency to a relay device. The relay device receives the signal by demodulating the first carrier frequency. Subsequently, the relay device retransmits the signal by modulating a sec... | 03/23/2004 |
| 6707800 | ATM network with central call processor An ATM network comprises a central call processor, and one or more remotely located ATM bridge nodes, whereby the call processor is separated from the switching fabric in the ATM bridge nodes. A plurality of preestablished permanent virtual paths are defined within ... | 03/16/2004 |
| 6708029 | Broadband communication system for mobile users in a satellite-based network A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of cove... | 03/16/2004 |
| 6704544 | Multi-spot-beam satellite system with broadcast and surge capacity capability A payload design for a multi-spot-beam satellite communication system includes a plurality of uplink spot beam receivers and downlink spot beam transmitters, and a broadcast transmitting subsystem capable of transmitting a broadcast beam to an entire syst... | 03/09/2004 |
| 6678520 | Method and apparatus for providing wideband services using medium and low earth orbit satellites A method and apparatus for mitigating communications interference between satellite communications systems in different orbits is disclosed. The method comprises the steps of evaluating a geometrical relationship between a second ground station and the sa... | 01/13/2004 |
| 6667715 | Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor A signal processing circuit for satellite communications signal includes a first one dimensional digital beam forming circuit for forming a beam signal in a first direction and a second one dimensional digital beam forming circuit for forming a beam in a ... | 12/23/2003 |
| 6631871 | High altitude platform control system A method and system for controlling a movable appendage on an aerospace vehicle independent from the position of the aerospace vehicle. First and second beacons containing actual position information for the movable appendage are tracked and acquired by f... | 10/14/2003 |
| 6613661 | Process for fabricating secure integrated circuit An integrated circuit is protected from reverse engineering by connecting doped circuit elements of like conductivity with a doped implant in the substrate, rather than with a metallized interconnect. The doped circuit elements and their corresponding imp... | 09/02/2003 |
| 6246363 | Method and system for incorporating two-way ranging navigation as a calibration reference for GPS A method and system for using two-way ranging navigation to accurately determine the range along the path from source to destination by measuring the time delay during round-trip communication via satellite. The two-way ranging navigation measurements are... | 06/12/2001 |
| 6238539 | Method of in-situ displacement/stress control in electroplating The dominant physical parameter that affects the internal stress of electroplated metals on substrates have been identified and their effects have been systematically studied. Thin electroplated metals have very high internal stresses, even though the sub... | 05/29/2001 |
| 6089510 | Magnetic systems and methods for realizing spacecraft maneuvers Spacecraft maneuvers (e.g., orbit transferring, stationkeeping and attitude controlling) of a first spacecraft are realized with conventional force and torque generators (e.g., thrusters and momentum wheels). Spacecraft maneuvers of a second spacecraft ar... | 07/18/2000 |
| 4833466 | Pulse code modulation decommutator interfacing system A pulse code modulation decommutator interface system includes a standard computer interface, a standard decommutator interface, control logic and memory. Control signals from the computer selectively control the data transfer from the memory to the compu... | 05/23/1989 |
| 4824228 | Stereomicroscopic inspection system with low eyestrain features A stereomicroscopic inspection system having low eyestrain features is disclosed. The system (10) includes an objective lens assembly (12) for forming an image of a viewed object (22). A prism mechanism (14) is positioned adjacent to the objective lens as... | 04/25/1989 |
| 4813006 | Analog-digital correlator An analog-digital correlator 10 utilizes a plurality of sample and hold cirucits 16-0 to 16-(M-1) to directly store samples of a received analog signal. Bits of a correlation pattern are shifted through stages in a correlation pattern shift register 26. T... | 03/14/1989 |
| 4808911 | Loop resistance test apparatus An apparatus for measuring the resistance in a closed loop electrical circuit without breaking or otherwise disturbing the circuit includes a detachable connector for joining the measuring apparatus to a closed circuit. The connector is linked to a circui... | 02/28/1989 |
